Monday, September 30, 2019

Strategic Plan

Using what you have identified in DQ 1 as a base, what elements are important when attempting to change an ingrained behavior in a company (e. g. improve customer service). (Hint: Insert the strategic planning process in your answer). How does identifying the best plan for this involve aspects of scientific and human management? Improving customer service is the one of the keys to success in healthcare facility. Ingrained behaviors of the healthcare professionals can hinder success. If the patients, families, community, and the list goes on are not happy with a healthcare facility it can cause some real problems for the facility. Any facility that has problems with ongoing ingrained behaviors need to revise their strategic plan and fix the problem. The key elements to strategic planning is the mission, objectives, plan of action, resources needed, plan how to measure the performance, and evaluation plan. The mission statement needs focus on the expectations of how the employees will act when working in the organization. The objective should be produced by the staff that will be monitoring it. The objective needs be attainable and clear on the focus of behaviors. The action plan is coming up with steps on how to reach goal of the objectives. This is good place for coming up with ideas on how to change the ingrained behaviors and throw out the old plans that are not working. The resources is a big part of the strategic plan because this where the facility comes up with resources they may need to complete the action plan. The resources for changing ingrained behavior could be education, money needed for the changes, and so forth. The evaluation system is where the strategic plan is being monitor for effectiveness. Ways to evaluate if the strategic plan is successful for changing ingrained behaviors is through random audits in the facility watching employees, doing a survey, talking with the stakeholders of the facility to see if they have noticed a change (Liebler & McConnell, 2008 5th ed. ). The scientific management examines improving work place performance with using easy elements and systems. This type of plan should be used when it comes to changing work place behaviors because one of its focuses is on performances in work place (â€Å"Scientific Management Progression in Hr†, 2008). Strategic Plan Using what you have identified in DQ 1 as a base, what elements are important when attempting to change an ingrained behavior in a company (e. g. improve customer service). (Hint: Insert the strategic planning process in your answer). How does identifying the best plan for this involve aspects of scientific and human management? Improving customer service is the one of the keys to success in healthcare facility. Ingrained behaviors of the healthcare professionals can hinder success. If the patients, families, community, and the list goes on are not happy with a healthcare facility it can cause some real problems for the facility. Any facility that has problems with ongoing ingrained behaviors need to revise their strategic plan and fix the problem. The key elements to strategic planning is the mission, objectives, plan of action, resources needed, plan how to measure the performance, and evaluation plan. The mission statement needs focus on the expectations of how the employees will act when working in the organization. The objective should be produced by the staff that will be monitoring it. The objective needs be attainable and clear on the focus of behaviors. The action plan is coming up with steps on how to reach goal of the objectives. This is good place for coming up with ideas on how to change the ingrained behaviors and throw out the old plans that are not working. The resources is a big part of the strategic plan because this where the facility comes up with resources they may need to complete the action plan. The resources for changing ingrained behavior could be education, money needed for the changes, and so forth. The evaluation system is where the strategic plan is being monitor for effectiveness. Ways to evaluate if the strategic plan is successful for changing ingrained behaviors is through random audits in the facility watching employees, doing a survey, talking with the stakeholders of the facility to see if they have noticed a change (Liebler & McConnell, 2008 5th ed. ). The scientific management examines improving work place performance with using easy elements and systems. This type of plan should be used when it comes to changing work place behaviors because one of its focuses is on performances in work place (â€Å"Scientific Management Progression in Hr†, 2008).

Sunday, September 29, 2019

Text Linguistics

TEXT LINGUISTICS Structure As a science of text, text linguistics describes or explains among different types of text the: * Shared features * Distinct features Text linguistics is the study of how texts function in human interaction. Beaugrande and Dressler define a text as a â€Å"communicative occurrence which meets seven standards of textuality† – Cohesion, Coherence, Intentionality, Acceptability, Informativity, Situationality and Intertextuality, without any of which the text will not be communicative.Non-communicative texts are treated as non-texts. [4] [edit] Cohesion Surface texts are the exact words that people see or hear. Cohesion concerns the ways in which the components of the surface text are connected within a sequence. Grammatical forms and conventions are adhered to by surface components and therefore cohesion rests upon grammatical dependencies. The grammatical dependencies in surface texts are major signals for sorting out meanings and uses.Cohesion encompasses all of the functions that can be used to signal relations among surface elements. â€Å"| SLOWCARS HELD UP| †| Such a text can be divided up into various dependencies. Someone might construe it as a notice about ‘slow cars’ that are ‘held up’, so that conclusions could be drawn about the need to drive fast to avoid being held up. However, it is more likely for one to divide the text into ‘slow’ and ‘cars held up’, so that drivers will drive slowly to avoid accidents or take alternative routes to avoid being caught in the slow traffic.A science of text should explain how ambiguities such as this are possible, as well as how they are precluded or resolved without much difficulty. For efficient communication to take place there must be interaction between cohesion and other standards of textuality because the surface alone is not decisive. [edit] Coherence Coherence concerns the ways in which concepts and relations, which underlie the surface text, are linked, relevant and used, to achieve efficient communication. A concept is a cognitive content which can be retrieved or triggered with a high degree of consistency in the mind * Relations are the links between concepts within a text, with each link identified with the concept that it connects to Surface texts may not always express relations explicitly therefore people supply as many relations as are needed to make sense out of any particular text. In the example of the road sign ‘SLOW CARS HELD UP’, ‘cars’ is an object concept and ‘held up’ an action concept, and the ‘cars’ are the link to ‘held up’.Therefore, ‘slow’ is more likely to be interpreted as a motion than as the speed at which cars are travelling. Types of relations include: I. Causality â€Å"| Itsy Bitsy spider climbing up the spout. Down came the rain and washed the spider out| †| The event of à ¢â‚¬Ëœraining’ causes the event of ‘washing the spider out’ because it creates the necessary conditions for the latter; without the rain, the spider will not be washed out. II. Enablement â€Å"| Humpty Dumpty sat on the wall, Humpty Dumpty had a great fall| †| The action of sitting on the wall created the sufficient but not necessary conditions for the action of falling down.Sitting on a wall makes it possible but not obligatory for falling down to occur. III. Reason â€Å"| Jack shall have but a penny a day because he can’t work any faster| †| In contrast to the rain which causes Itsy Bitsy spider to be washed out, the slow working does not actually cause or enable the low wage. Instead, the low wage is a reasonable outcome; ‘reason’ is used to term actions that occur as a rational response to a previous event. IV.Purpose â€Å"| Old Mother Hubbard went to the cupboard to get her poor dog a bone| †| In contrast to Humpty Dumpty’s action of sitting on the wall which enables the action of falling down, there is a plan involved here; Humpty Dumpty did not sit on the wall so that it could fall down but Old Mother Hubbard went to the cupboard so that she could get a bone. ‘Purpose’ is used to term events that are planned to be made possible via a previous event. V. Time ‘Cause’, ‘Enablement’ and ‘Reason’ have forward directionality with the earlier event causing, enabling or providing reason for the later event. Purpose’, however, has a backward directionality as the later event provides the purpose for the earlier event. More than just a feature of texts, coherence is also the outcome of cognitive processes among text users. The nearness and proximity of events in a text will trigger operations which recover or create coherence relations. â€Å"| The Queen of Hearts, she made some tarts;The Knave of Hearts, he stole the tarts; The King of Hearts, called for the tarts| †| In the explicit text, there is a set of actions (making, stealing and calling); the only relations presented are the agent and the affected entity of each action.However, a text receiver is likely to assume that the locations of all three events are close to one another as well as occur in a continuous and relatively short time frame. One might also assume that the actions are meant to signal the attributes of the agents; the Queen is skilled in cooking, the Knave is dishonest and the King is authoritative. As such, coherence encompasses inferencing based on one’s knowledge. For a text to make sense, there has to be interaction between one’s accumulated knowledge and the text-presented knowledge.Therefore, a science of texts is probabilistic instead of deterministic, that is, inferences by users of any particular text will be similar most of the time instead of all of the time. Most text users have a common core of cognitive co mposition, engagement and process such that their interpretations of texts through ‘sensing’ are similar to what text senders intend them to be. Without cohesion and coherence, communication would be slowed down and could break down altogether. Cohesion and coherence are text-centred notions, designating operations directed at the text materials. [edit] IntentionalityIntentionality concerns the text producer’s attitude and intentions as the text producer uses cohesion and coherence to attain a goal specified in a plan. Without cohesion and coherence, intended goals may not be achieved due to a breakdown of communication. However, depending on the conditions and situations in which the text is used, the goal may still be attained even when cohesion and coherence are not upheld. â€Å"| Want I carry you on my back? | †| Even though cohesion is not maintained in this example, the text producer still succeeds in achieving the goal of finding out if the text re ceiver wanted a piggyback. edit] Acceptability Acceptability concerns the text receiver’s attitude that the text should constitute useful or relevant details or information such that it is worth accepting. Text type, the desirability of goals and the political and sociocultural setting, as well as cohesion and coherence are important in influencing the acceptability of a text. Text producers often speculate on the receiver’s attitude of acceptability and present texts that maximizes the probability that the receivers will respond as desired by the producers.For example, texts that are open to a wide range of interpretations, such as ‘Call us before you dig. You may not be able to afterwards’, require more inferences about the related consequences. This is more effective than an explicit version of the message that informs receivers the full consequences of digging without calling because receivers are left with a large amount of uncertainty as to the conse quences that could result; this plays to the risk averseness of people. [edit] Informativity Informativity concerns the extent to which the contents of a text are already known or expected as compared to unknown or unexpected.No matter how expected or predictable content may be, a text will always be informative at least to a certain degree due to unforeseen variability. The processing of highly informative text demands greater cognitive ability but at the same time is more interesting. The level of informativity should not exceed a point such that the text becomes too complicated and communication is endangered. Conversely, the level of informativity should also not be so low that it results in boredom and the rejection of the text. [edit] Situationality Situationality concerns the factors which make a text relevant to a situation of occurrence.The situation in which a text is exchanged influences the comprehension of the text. There may be different interpretations with the road s ign â€Å"| SLOWCARS HELD UP| †| However, the most likely interpretation of the text is obvious because the situation in which the text is presented provides the context which influences how text receivers interpret the text. The group of receivers (motorists) who are required to provide a particular action will find it more reasonable to assume that ‘slow’ requires them to slow down rather than referring to the speed of the cars that are ahead.Pedestrians can tell easily that the text is not directed towards them because varying their speeds is inconsequential and irrelevant to the situation. In this way, the situation decides the sense and use of the text. Situationality can affect the means of cohesion; less cohesive text may be more appropriate than more cohesive text depending on the situation. If the road sign was ‘Motorists should reduce their speed and proceed slowly because the vehicles ahead are held up by road works, therefore proceeding at too h igh a speed may result in an accident’, every possible doubt of intended receivers and intention would be removed.However, motorists only have a very short amount of time and attention to focus on and react to road signs. Therefore, in such a case, economical use of text is much more effective and appropriate than a fully cohesive text. [edit] Intertextuality Intertextuality concerns the factors which make the utilization of one text dependent upon knowledge of one or more previously encountered text.If a text receiver does not have prior knowledge of a relevant text, communication may break down because the understanding of the current text is obscured. Texts such as parodies, rebuttals, forums and classes in school, the text producer has to refer to prior texts while the text receivers have to have knowledge of the prior texts for communication to be efficient or even occur. In other text types such as puns, for example ‘Time flies like an arrow; fruit flies like a ba nana’, there is no need to refer to any other text.

Saturday, September 28, 2019

Rhetorical Analysis Essay

Al Gore’s An Inconvenient Truth: Rhetorical Analysis In Al Gore’s An Inconvenient Truth, he focuses on the harm global warming does to our planet. He wants to persuade people that global warming is real, and that they should contribute to the effort of slowing, even completely stopping, global warming. Gore uses a variety of ways to appeal to pathos and logos. One of the first things he does, is explain global warming, he them proceeds to show a short, funny cartoon to describe global warming. While this short is not exactly accurate, and looks like it is taken from The Simpsons cartoon, it is comical, and he uses this short to intrigue his audience. After drawing us in, he keeps us attentive by sprinkling these little emotional holds into his argument. Gore tells us in the beginning about his son being hit by a car when he was five years old. This anecdote causes an overwhelming sense of sympathy and alarm but also wonder of how this relates to the argument. Then, Gore tells us tells us that the awful accident made his realize he wanted to do something important, wanted to do something to change the world, and that something was to spread the â€Å"global warning. †Almost fifty percent of the facts Al Gore uses also carry an emotional appeal, but they also are appealing to logos. Such as, if only half of Greenland and half of Antarctica melted water would cover so much land, including the 9/11 memorial, that the world maps would have to be redrawn, and he also tells us that global warming causes intense weather conditions, including hurricanes. Gore provides an audio track of a man describing hurricane reports that were coming in after making this point, and in the track the unknown man repeats â€Å"I can’t take it anymore, the water is up to my neck,† creating guilt in the audience. We contributed to that. Al Gore does a great job of presenting an appeal to pathos and logos. Al Gore uses more than just humor and anecdotes to relay information, however. He also uses expert testimony, and quantitative data by presenting a variety of charts, graphs, and pictures created by scientist, to prove his point. Gore uses a chart that shows how carbon dioxide and temperature correlate. When carbon dioxide rises, so does the temperature. At the time of the documentary, the carbon dioxide level was higher than it has ever been. He also uses a chart to show the ten hottest years in history, at that point in time, they all occurred within 14 years before. He places a higher thought of the two charts and other unmentioned, by saying that they were before unseen by the public. In addition to humor, anecdotes, expert testimony, and quantitative data to prove his point, he also throws just a few plain old facts at us. For example, Gore tells us that 200 towns and cities in the west have broken temperature records, and that science textbooks have had to be rewritten because it was before thought impossible for a hurricane to take place in the South-Atlantic, but then there was one. The hurricane was caused by warming of waters ocean wide. Al uses his variety of vehicles to present information to his advantage. While Al Gore does do a nice job of making his point, it would all be somewhat of a waist without established ethos. If he had no ethos, we would not take anything he said into consideration. When Gore introduces himself, he says, â€Å"I’m Al Gore and I used to be the next president of the United States. †Some people think that this may hurt him, but it is very untrue. He has to be a highly intelligent and well thought of man to run for president, and the votes were said to be â€Å"too close to count. Gore also establishes ethos through his dress; he is very well put together and professional. Al Gore has also written a book about global warming, and he would not be well enough equip to do so if he did not know a vast amount about it. This little piece of ethos helps him most to be taken seriously and for his audience to know that he knows what he is talking about. His audience is almost important to his ethos, and his audience is simply everyone in the world. Global warming is an issue for everyone who lives on this planet and Gore makes sure that he gets the word out. He even said that he knows that he has given his speech over one thousand times worldwide. Al Gore’s high level of ethos helps him to better appeal to the people of the world to spread the word on global warming. Al Gore was highly successful in furthering his message. When you take everything that he says and the methods he used to relay information, there is no doubt that he did. If he tells a small, or large, group of people about global warming, they are going to tell people they know about it and the word will spread. The way Gore gives his message was key. Everything he says is easy to follow and understand. He avoids anything that could cause confusion and backs up everything he says with something that correlates. For instance, the frog animation. Some people do not believe in global warming because it is gradual, but when you put a frog in water and slowly raise the temperature it also is unknowing. This example can turn skeptics into believers. Everything Al Gore says and does in his documentary adds to the success in thoroughly presenting his message. In Al Gore’s An Inconvenient Truth, he uses an appeal to people’s logos and pathos through various techniques to persuade his audience that global warming is here and harming. His high level of ethos and knowing his audience well helps him to be taken seriously on this matter and over all being successful in giving his message to the world.

Friday, September 27, 2019

Report Essay Example | Topics and Well Written Essays - 1000 words - 4

Report - Essay Example The resultant signal is channelled into the powered amplifier. The role of the power amplifier is to drive the loudspeaker. The circuit is designed such that the mixer contains a gain that can be varied, depending on the desirability of the required volumes. In addition, there should be the allowance for the volume of one channel to be controlled separately from another. This enhances the quality of sound as this enables one to have balance between the two channels. In this regard, the presented diagram consists of a set of two inputs; the speech and music. In this case, the speech voltage controls the music voltage. The operation of the circuit project only requires that the two signals are combined while the current should be adjusted to be adequate to make the speakers work effectively. It is expectable that in the cases where speech signal is lacking, the music voltage from the difference amplifier is about 1V. In the cases where the speech signal is peak, the voltage is expected to be at the minimum level, at around 0.17V. In this regard, mixing the speech and music amplifier creates the allowance to have the music volume by varying the voltage of the speech signal. Even so, the mixer’s output does not have the power capacity of driving the speakers. In this regard, it is expectable that when the amplitude of the mixer’s input is raised by a gain of well over 10 units, as well as utilizing the class B type of amplifier so that adequate current can be generated, the circuit would work successfully. The amplifier is connected to the speakers. About Power amplifiers Conventionally, most power amplifiers make use of the output stage, in the cases where a single transistor handles a half of the waveform signals and this is regardless of whether the half is negative or positive. This operation is often labelled as the push-pull. Its efficiency is unquestionable, considering that only minimal current flows when music signal is lacking. Furthermore, this comes with the implication that the compact power supply may be the only most essential component; hence it cost-effectiveness to the manufacturer. For the user, the resultant amplifier is relatively small in size, efficient and cheap. The power amplifier functions to deliver power, a product of load current and voltage. Power= IV I ~ Current V ~ Voltage In the basic sense, a power amplifier shares a lot of commonalities with the voltage amplifier. The only difference between the two is that in the power amplifier, the resistance of the load that is connected to the output is relatively low, for instance, a loudspeaker consisting of 7 ohms that triggers the flow of high current through the transistor’s collector. In consideration to the high currents that flow through the loads, it is imperative that the output transistors that are applied in the amplification of power should have high resistance. There are two categories of amplifiers that could be used; A-type and B-ty pe amplifiers. The A-type amplifiers are those in which the output current assumes the inputs’ full cycle, creating the allowance of the transistors to be forward-biased through the input cycles, without switching off. The following is an extract of the diagram for the A-type amplifier. Figure 1: A-type Amplifier On the other hand, the B-type amplifier is that which is designed to improve the energy of efficiency of the A-type amplifier, ensuring for the reduction of the amount of heat loss? Besides, its signal assumes a half

Thursday, September 26, 2019

Real Data Essay Example | Topics and Well Written Essays - 750 words

Real Data - Essay Example The data gathered can be used to perform a number of operations such as mean, standard deviation, variance, correlation etc. Therefore it is safe to say that real data makes it possible to make quantitative classifications. That is why we can say that real data makes it possible to run statistical analysis. The research has been carried out on the results of 2008 American Presidential Elections. The Exhibit 1 shows actual results of elections. The tables are divided according to percentage lead of each president according to states. The data in Exhibit 2 shows pre election polls for each candidate. The data in Exhibit 2 two has been divided according to agencies which had delivered results or conduction these pre election polls. Column D in Exhibit 2 reflects leads to each respective president in states of polls. The data presented is real in nature for Exhibit 2. This is because the format is percentages of actual responses received from the public. Exhibit 1 also shows actual historical data as the responses are shows as percentage of total votes received by each presidential candidate. In column E of exhibit 2 we have prepared another category denoted by numbers. This is a better way to convert real scale to nominal scale and then convert it to percentage to get a solution. The number ‘2’ represents a tie, ‘1’ lead of Obama and ‘0’ lead of McCain. If we calculate the percentage of ‘1’ to the entire population we can calculate how many polls considered Obama to win the elections. The percentage of polls that showed Obama as the winner were 71% where as only 10% predicted a tie of votes. This shows another quality of nominal data that it has to be converted into percentages to reach an analysis. The presidential elections did show a victory for president Obama which reveals that analysis using real data was successful in predicting election results. Nominal data can lead to only qualitative

Money creation in islamic economic system Term Paper

Money creation in islamic economic system - Term Paper Example be achieved, as Muslims perceive an economy to be healthy when its regulations, institutions and operations together with the conduct of the people and the entire society conform to Shari’ah. The part played by money as well as monetary management in the Islamic economy must conform to the structure of the entire economic system that is prescribed by Islam. Even though the Qur’an and the Sunnah, which are the key sources of Islam, do not give any direct or comprehensive direction in regard to managing money, they are clear in their disapproval of interest. Therefore, financial and monetary connections in the Islamic system must be conducted and organized in a way that prologues the use of interest in any manner. Ultimately, this limitation makes monetary management in the Islamic system to be different in a fundamental and critical manner when compared to the conventional capitalist system. The process of money creation by the conventional banking systems is considered as the most dominant undermining aspect in all the contemporary markets (Lippit, 1996, p. 256). Through creating money from nothing and introducing it into circulation, both the central banks and commercial banks have collectively resulted into a succession of speculative bubbles that may be followed back more than three years in the countries of the west. In the case that newly created money is spent on a particular asset like property or shares, the prices of these assets tend to increase naturally. On the other hand, when the banks make a decision to decrease their rates of creating money, buyers will no longer exist in the market and the prices of assets will start reducing. The capability to create money is thus a largely influential political and economic instrument, which is in most cases abused. Two Islamic guidelines function to prevent any form of money creation by the banking system and they i nclude the law of trust and the prohibition of interest. Through the issuance of promises to

Wednesday, September 25, 2019

Challeges ESOL Somali learner face when learning how to read Coursework

Challeges ESOL Somali learner face when learning how to read - Coursework Example Most educators teaching ESOL Somali learners assume that these students have prior knowledge of various literary genres such as myths and legends. As a result, teachers teaching ESOL Somali learners fail to develop a good background for basic vocabulary of the English language. Though ESOL learners may be able to read some vocabularies, it is quite difficult to fathom the content presented. In essence, ESOL learners face various challenges when learning how to read. The data for this report was corrected from a number of past studies regarding the challenges ESOL Somalis face when learning how to read. The paper explores the learning experience of Somalis with little or no formal education. ESOL Somali learners have challenges in hearing and speaking the English language. For instance, most ESOL students cannot speak or hear the language they are learning. Actually, since the ESOL students learn English as a second language, various difficulties are present. As a result, sound recognition and production of the second language becomes challenging for ESOL students. Phonics entails the understanding of written words and their corresponding literally sound. In other words, phonics refers to an approach employed to teach reading and writing of English words to non-English speakers. The approach involves developing the learner’s ability to identify and manipulate sounds in order to demonstrate the correspondence between different sounds and the spelling patterns that stand in their place. It is imperative to identify that sound production and manipulation is largely dependent on letter patterns. ESOL learners might have insufficient knowledge regarding their native language since they rarely interact with linguistics scholars. For people to understand all aspects of a particular language, interaction with other scholars is an imperative exercise. ESOL students should not only rely on the little skills

Tuesday, September 24, 2019

United States National Debt Ceiling Essay Example | Topics and Well Written Essays - 2000 words

United States National Debt Ceiling - Essay Example The debate was related with the appropriate level of the Government spending and its impacts on the overall debt and deficit of the country. The crisis was so significant that it affected the US stock market heavily. Prices of the Federal bonds increased like anything and investors were significantly confused about the future economic situations of the world’s oldest democracy. Political fraternity across the country was raising their voices to cut down the governmental expenditures to manage the debt ceiling. Budget deficit was increasing, to tame that deficit debt ceiling was a reactive measure. Due to this economic turmoil, credit rating agency Standard & Poor’s downgraded the credit rating of USA for the first time in US history. The debt ceiling of 2011 was introduced to improve the health of the US financial markets. But unfortunately the measure of debt ceiling was not at all beneficiary for the US financial markets. Lower assets prices and the higher borrowing costs had significant impacts on the public spending. People of the country were significantly uncertain related with the fluctuating assets prices and the borrowing costs. They were not willing to spend their money. Credit risk and stock prices volatility were prominent in 2011 and it continued up to 2012. VIX is a volatility index which is used for measuring the implied volatility in the financial market. During that period of time of debt ceiling that index jumped upwards. It stayed elevated for longer period of time (Irving & Engel, 2011, pp. 34-35). During that period of time investors did not invested their moneys as they perceived the situation as significantly risky. As the market was significantly volatile, investors stored their money as the buffer for the future adverse situations. During that period of time S&P 500 index of equity fell drastically. It was almost 17% down. At that point of time there was no sign of improvement. The index remained on the lower side. The fall in

Monday, September 23, 2019

Opportunities & Threats in Gold & Oil Investments Research Paper

Opportunities & Threats in Gold & Oil Investments - Research Paper Example According to the research findings with the ever increasing uncertainties regarding the overall global economic and fiscal outlook, the investment strategies have also experienced some major changes. It is actually belief and confidence of the people that changes as the time and situation changes. As a result, the real value of the investment changes with the perception of the people. The real worth or substance remains the same, however, the other party to the transaction perceives it to be either on a higher side, lower side or at a stable level. In short, the substance of the investment remains the same but what actually changes is the worth of that investment in the eyes of other person as per his/her perception, belief and confidence. The change in the perception of the people leads to the change in the worth of the investment as a result the investors actually face a risk that their investments can experience significant fluctuations associated with the unpredictable behavior o f the people. Over the years, there have been different patterns and trends that represent the psyche of the people regarding the riskiness of different types of investments. From bonds to stocks, commodities to metals, currencies to real estates, each different class has different sorts of risks associated with it. The risk appetite of individual investors also varies which in turn contributes significantly in the variation of the values of the investments. (Fabozzi, Gupta & Markowitz, 2002). The above mentioned asset classes can be broadly split into two categories namely as paper money investment and real substance based investment. For instance, currencies, bonds, stocks are considered as paper money as the investor ultimately do not acquire a physical substance or matter when he or she purchases investment. For example, by buying some shares of a company cannot actually allow a common stockholder towards entitling a specific asset of the company. Similarly the bonds or other pa per money instruments do not allow entitlement to the investors on a particular asset of the issuer of that instrument. On the other hand, the non-paper money instruments provide a possession of the investment in the form of goods, property or any other physical substance. The term â€Å"physical delivery† for these kinds of investments is vastly associated as they entitle the investor for the taking the actual physical delivery of the form of their goods (Shefrin & Statman, 2000). For instance, in case of metals, gold, silver or platinum, the physical delivery is possible and the investor can keep the possession of the metals with himself. Similarly, in case of real estate property, the investor can actually take the possession of a particular property after transferring the property documents. The above two categories of investments have some specific risks associated with them due to which the non-paper money based investments are considered as safe heavens for the investo rs as the investor enjoys the possession of those investments and later on can make the use of those goods for his/her personal needs unlike paper money investments which are intended to be returned to other investors or the issuers of those investments because they cannot be used for personal needs. On the basis of usage or consumption as well as holding the possession of those investments, this particular assignment deals with the opportunities and threats that rest with the investments that are movable in nature (FinanceSpain, 2012). Particularly the investment in gold and oil are highlighted in the discussion. Gold is a precious metal which is the most highly recognized and consumed metal especially used in the jewelry and ornaments. Oil is the commodity which is used as an energy resource for varieties of different purposes. Both of these investment classes have distinct opportunities and threats which are discussed separately in further sections. The first section emphasizes o n the opportunities

Sunday, September 22, 2019

How does Coleridge tell the story in part 3 of Rime of the Ancient Mariner Essay Example for Free

How does Coleridge tell the story in part 3 of Rime of the Ancient Mariner Essay The opening line of part 3 in the first stanza, ‘THERE passed a weary time’, indicates to the reader that the Mariner is still in a state of suffering, continued from part 2. The capitalisation of the word, ‘there’, suggests that nature’s torture is only being directed at those on the ship. Coleridge furthers the idea of nature’s torture in this stanza through his use of death imagery, ‘each throat was parched and glazed each eye. ’ The word, ‘glazed’ implies a sort of mental vacancy or vegetation, whilst ‘parched’ denotes that they are completely dried out, not only are they dehydrated but they are dried out in the sense that the Mariner has now completely lost any remnant of hope and faith in nature. The enjambment in the line is used to highlight and emphasise the extent of the dehydration among the ship’s crew. However, by the 5th line, the tone of the stanza has become less sullen, shown through Coleridge’s deviation from the ballad form. The two extra lines mark the sense of hope newly acquired by the ship after they see a ‘something in the sky. ’ Both the second and third stanzas return to the traditional ballad form to show the ficklness of the Mariner’s hope. In stanza 2, Coleridge uses nebulous language, ‘shape’ and ‘seemed’, in this stanza in order to maintain the suspense caused by both the reader and the Mariner’s uncertainty about this ‘speck. ’ It’s also used to reflect the desperation of the Mariner, as his tone has become more positive despite the potentially dangerous object. The Mariner’s self-assured tone continues in the third stanza, shown through the structural device of punctuation, ‘A speck, a mist, a shape, I wist! ’ The exclamation is used in order to show the hopefullness of the Mariner, the internal rhyme used by Coleridge also creates an upbeat tone, as it speeds up the pace of the poem. Coleridge creates a contrast with the quote, ‘[the object] plunged and tacked and veered’, as the Mariner’s own ship is completely still, the contrast implies to the reader that, perhaps, this ‘sprite’ may be of the supernatural realm, as there is no breeze after all. In stanza 7, Coleridge deviates from the traditional ballad form, this time to make the reader aware of the threat that the shape imposes on the Mariner. Within the sestet, Coleridge uses a number of literary devices in order to communicate the danger the Mariner’s ship is now facing. We see the poet use elemental imagery with the quote, ‘the western wave was all-aflame. ’ The pairing of two conflicting elements, water and fire, almost seems unnatural, and is an example of the poem’s supernatural theme. Indeed, the imagery is used to indicate to the reader that the Mariner is now dealing with something supernatural. Coleridge also uses symbolism through the quote, ‘that strange shape drove suddenly betwist us and the Sun. ’ At this point, the Mariner is blocked from any source of light, and arguably, as God created light, this means he is completely cut off from God, and as a result any kind of assistance from God is being obstructed. Essentially, the mariner is unable to be protected or defended against any kind of harmful or supernatural being by this point. Similar symbolism is used in stanza 8, as ‘the Sun was flecked with bars’, suggesting that the sun has now been imprisioned by this object. The quote together with the simile, ‘through a dungeon-grate he peered’ implies that whatever has imprisioned the sun is perfectly capable of encaging the Mariner’s ship, increasing the fear felt by the Mariner at this moment in his story. In stanzas 10 and 11, the reader learns that ‘Death’ and ‘Life-in-Death’ are in charge of the mysterious ship. The personification and capitalisation of these two figures communicate to the reader the extent of their power. Coleridge triggers shock in the reader by abandoning the expected rhyme scheme, having an abccb rather than the routine and typically ballad-like abcb scheme, Coleridge’s manipulation of structure through capricious punctuation also adds to the shock; ‘is that Death? ’ A total of five questions are asked in stanza 10, creating a sense of both danger and uncertainty. In stanza 11, Coleridge is able to evoke shock from the reader once again when depicting ‘Life-in-Death. ’ The reader is first told that ‘her locks were yellow as gold,’ as the simile is fairly conventional, containing the typical romantic and regal imagery, Coleridge is able to fool us until he reveals that ‘her skin was white as leprosy. ’ The juxtaposition between ‘gold’ and ‘leprosy’ presents her as this liminal figure, whilst she has certain characteristics of a conventional seductress type; she is still ghost-like, even demonic. In stanzas 15, 16 and 17, Coleridge implies to the reader that Life-in-Death and Death’s trivialised game of death has led to the mariners’ deaths’ with the exemption of the Ancient Mariner. Already, on the first line of the 15th stanza, the ‘star-dogged Moon’ suggests that change is near. The Mariner communicates his constant guilt to the reader by prolonging the first line, ‘one after one’, the caesura, used to emphasise the slowing down of pace, also helps to reflect his remorse about the other mariners, who he feels responsible for. However, by the 16th stanza he speaks in a somewhat detached way as speaks with mathematical language, rather than emotionally engaged language, ‘four times fifty living men,’ despite his guilt. Alternatively, the Mariner may have become desensitised after, apparently, centuries of telling this story. Coleridge uses onomatopeoia in order to create a more vivid perception in the reader’s mind, ‘heavy thump, a lifeless lump. ’ The internal rhyme is used to heighten our auditory and visual senses even more, as it echoes the sound created by ‘thump’. The onomatopeic language is also used to echo the fact that the Mariner is now completely isolated. In the final stanza, we see another example of the Mariner’s feelings of guilt when he references his own shooting of the Albatross, ‘every soul†¦passed me by like the whizz of my cross-bow. ’ The Mariner’s routine remark about the Albatross at the end of each part suggest that his guilt is long lasting, as it has remained with him ever since. Essentially, the quote implies that his shooting of the albatross has resulted in the 200 deaths of his fellow mariners; part 3 leave us with the sense that the Mariner is now isolated, as well as wrapped up in guilt.

Saturday, September 21, 2019

Effectiveness of Exercise Programme to Prevent Falls

Effectiveness of Exercise Programme to Prevent Falls This chapter deals with the information collected in relation to the present study through published and unpublished materials for foundation, to prepare and to carry out the research work. SECTION A: Reviews related to need of exercise programme SECTION B: Reviews related to effect of age on balance SECTION C: Reviews related to effect of exercise on balance A: Reviews related to needs of exercise programme. Gardner, M.M.et al., (2000) conducted a study to assess the effectiveness of exercise programme in preventing falls. The design used for this study was controlled clinical trials. A total of 4933 older adults were participated, including both Men and women.11 trials met the criteria for inclusion, in which 8 of them were separate exercise interventions. Out of 8, five of them showed a significant reduction in falls rate. The conclusion of this study was, exercise is effective in reducing the fall risk in selected groups. Faber, MJ.et al.,(2006) conducted a study to assess the effectiveness of exercise programme on mobility and falls among prefrail and frail older people. The design used for this study was multicenter randomized controlled study. The setting of the study was 15 long term care centers in Amsterdumin Netherland. 278 men and women (mean age ±SD, 85 ±6y) were included in the study. Exercise programmes were randomly distributed across 15 Homes. Each home participant was assigned to an intervention group and control group. The main outcome measures were performance oriented mobility assessment, physical performance score, and the Groningen activity restriction scale. Fall incidence was higher in control group 2.5 falls/year, but in case of experimental group2.4 falls/year. The conclusion of this study was fall incidences were higher in elderly people, who didn’t undergo exercise programme as compared to experimental group. Sherrington,C.et al.,(2008) conducted a systematic review with meta-analysis among old age people to assess the effectiveness of exercise programme on falls and to find out any particular components are associated with reduction in falls. The design used for this study was systematic review with Meta-analysis. Randomized controlled trials that compaired falls rate in older people of both experimental group and control group. The pooled estimate effect of exercise was that it reduces the incidence of falls rate by 17% with 95% confidence interval p Theou, O.et al., (2011) conducted a study to examine the effectiveness of current exercise programme on frailty management. The study design was systematic review. For the randomized controlled trial 8 electronic databases were searched, which helps to identify the participants were frail either in title, abstract, text, or in exercise. Three of the 47 studies utilized a validated definition of fragility to categorize the participants. Evidence suggested that exercise had a positive impact on functional ability outcomes. Cadore, E.L. et al., (2013) conducted a study to review the effect of exercise on functional ability of frail older adults. The study mainly focused on falls rate, lower body strength, and gait and balance. The data were collected from science direct, Medline from 1990-2012.Twenty studies were investigated, in that ten trials were mainly regarding the effect of exercise on balance performance and seven of them showed enhanced balance. As conclusion the authors says that there was great significance in multicomponent exercise intervention on gait ability, balance, strength, and reduction of falls rate among physically frail older adults. Fairhall,G., et al., (2006) conducted a study to examine the perspectives of older people in a community falls prevention programme. The design used for this study was grounded theory approach. The intervention was based on 2 hour sessions, which took place in a community group setting once a week for 7 weeks. The cohorts of the older people were recruited through editorials in local papers and from mail shots. The volunteering older persons were to be more than 70 years, with previous history of falls or have concerned about falling. Participants were interviewed after 3 months following the fall prevention programme. The participants were able to recall all the aspect of content learning during the programme. From those interventions, exercise was the only beneficial and enjoyable intervention to the participants. The conclusion of the study reveals that exercise is one of an important fall prevention programme. Seoa B.D et al., (2008) conducted a study to compare the effectiveness of resistance and balance exercise for the reduction of fall risk among elderly females above the age group of 65 years. The design adopted for the study was single blind controlled trial, conducted for 12 weeks with pre and post exercise assessment. Ninety-five participants were randomly assigned to one of three groups: resistance-training group, balance training group, and control group. The first two group showed significant improvement in balance as compared to control group after the intervention(p Debolt, L.S et al., (2004) conducted a study to examine the effectiveness of home based resistance exercise programme on mobility, power and balance in people with multiple sclerosis. The study was conducted in general community. The design used for this study was experimental group design. The sample size was twenty seven.19 of them were women and 8 of them were men.The group randomly divided into experimental group and control group. Experimental group underwent resistance exercise programme and control group for normal physical activity. The results of the study assessed by using, mobility assessment with the Up and Go test scale and leg extensor power rig. According to pretest score 3.19 and for posttest score was 3.95. So the authors concluded that home based resistance exercise training is effective to improve the leg extensor power within a short period of time. B: Reviews related to the effects of age on balance Teimoori,A.et al., (2012) conducted a study to examine the age at which loss of muscle velocity, balance in adult healthy Iranian Females.928 Iranian female participated in this study. They were in the age group of 20-26 years. The participants were divided in to four age groups. Balance ,velocity were assessed for each group according to the age group and timed by digital stop watch. The study showed that, between the age group of 23-30 years the muscle velocity and balance were same. But in case of 40 age group balance and muscle velocity were declined. By using one way ANOVA test balance and muscle velocity were differed with pnd and 3rddecades.The authors identified that age, balance, and muscle velocity had significant relationship with aging Tiffani E et al., (2006) conducted a study to examine the association between measures of dynamic and static balance and performance of mobility task in elderly people of Western Carolina University. The design used was cross sectional analysis. The subjects were 195 community dwelling participants. Associations between balance and mobility measures were examined by using correlation and regression. Dynamic and static balance were moderately associated(r=-.462).Regression age and balance were significant predictors of walking speed outcome. The authors concluded that, assessment of dynamic and static balance is an important, to know the physical functioning and mobility of elderly people. Abrahamova,D. et al., conducted a study to examine aspects of balance control changes with age. The subjects participated for the study was between the age group (20-82).Centre of foot pressure positions used to evaluate body sway during a 50 second interval. Seven cop parameters were used to assess quiet stance and were analyzed in three groups. The regression analysis showed evident increase of body sway over 60 years of age. The normality of distribution of each cop parameter was examined by using the Kolmogorov –smirnov test. Mann Whitney test was used to analyze the differences between the age groups, if not normally distributed. If the cop parameters were normally distributed than two ways. ANOVA was used to analyze the differences between the age groups. The level of significance was set at p Gomes,M.M al., (2012) conducted a study to analyze the postural control at different age. The aim of the study is to evaluate static and dynamic balance as well as the pattern of muscle activation in elderly women from different age groups. A total of 57 women, divided in to 3 groups according to their age. Group 1(n) =17, group2 (n) =20, group3 (n) =20.The center of pressure were analyzed. According to the age group, the participants showed similar displacement and muscle activation during static posture and dynamic posture. As by conclusion, the study proved that aging had an influence on balance and posture among elderly group. Osama, B et al., (2004) conducted a study on 30 normal elderly individuals and 40 normal young adults between the age group of (20-40) years. The purpose of this study was to know the balance in elderly, and to compare postural stability, balance control and gait pattern in normal elderly persons to those of normal young adults. All participants were subjected to history taking, full routine balance test and functional test. When comparing the balance scales there was a significant difference between the two groups were noticed. (p=0.005).From this study, the results proved that there was a significant decrease in scores of different balance scales in elderly persons compared to young adults, besides that there was significant decrease in percent of maximum stability and was lesser in older subjects as compared to younger subjects C: Reviews related to effect of exercise on balance Knerl,CJ et al.,(2009) conducted a study to examine the effect of 6 weeks of balance training and strength training on dynamic balance in older adults.51 seniors were participated.(17male and 34 females) between the age group of 60 and 93 years. Participants were divided in to 4 groups. 3 treatment groups and one control group. Each group were tested on measures of dynamic balance, flexibility and strength before and after 6 weeks of the exercise programme by using the outcome measures like Fullerton advanced balance scale. Repeated ANOVA’S shows that upper body strength and lower body flexibility including balance increased significantly (p Gusi,et al., (2013) conducted a study to determine the effects of balance training protocol with the balance system in institutionalized older people. 40 older adults were involved in study. The experimental group completed 12 week balance training protocol,2 sessions per week. Both the groups ‘received the same multidisciplinary care. The outcome measures were dynamic balance with the use of fall risk scale. The outcome measures were measured before and after the intervention. As compaired to control group, the experimental group had greater improvement at 12 weeks in case of dynamic balance. By conclusion the authors says that exercise programme was feasible on dynamic balance in institutionalized older people. More, T.S, Rao, K., et al., (2012) conducted a study to evaluate the effectiveness of 10 weeks of balance and strength training on dynamic balance of older adults. The study design was randomized controlled trial consists of 52 older adults between the age group of (60-75) years with having poor balance and strength. They were divided in to strength training group (Group A), balance training group (Group B) and combination group(Group C).The duration of the training programme was 10 weeks. Outcome measures used were berg balance scale and senior fitness scale. Within the group statistical analysis done by using paired t test within the groups, which shows that marked improvement in all age groups with (p Ullumen, G et al., (2010) conducted a study to examine the effects of exercise in improving balance, balance confidence and mobility in elderly people. The design used for this study was randomized control trial. The participants were randomly assigned to experimental group(n=25) and control group(n=22).The experimental group were attended 5 week of exercise programme,60 minutes 3 times per week. The outcome measures were (timed up and go), balance confidence scale, falls efficacy scale. Pretest and post test were conducted. After the intervention, in experimental group balance (p=0.030) and mobility (p=0.042) were increased, while fear of falling (p=0.042) decreased significantly. The participants of experimental group showed improvements in balance confidence (p=0.054).As by conclusion the researchers suggests that exercises are an effective way to improve mobility and balance, thus by reducing the risk of falling among community –dwelling elderly people. Zamanian, F., (2011) conducted a study to investigate the effects of balance exercise training on fall risk and postural control among older adults especially women.40 elderly people were participated in this study. The static balance and fall risk were measured by using Tandem and semi-tandem test, berg balance scale questionare.The subjects were divided in to experimental group and control group. Experimental group underwent 8 weeks of exercise programme. The control group didn’t participate in any of training programme. Outcome measures were analyzed after the intervention. Comparison was carried out by using paired t test and independent t test and correlation analyzed by Pearson correlation. After balance training the ability of older women in semi tandem and in tandem position was (p=0.007) and (p=0.02) respectively. So from this study, the authors concluded that balance control improves the postural control and reduces the risk of fall in older women (p=0.001). Helbostard, JL et al., (2004) conducted a study to determine the effectiveness of home training exercises on functional abilities of old aged people with functional disabilities and balance problems. The design adopted for this Study was randomized trial with 77 persons aged 75 or more than that. Home training and combined training group were included in this study, for a period of 12 weeks. The exercises, rate of falls and balance functions were assessed with the outcome measures like Timed up and Go test, Maximum step length and timed pick up and sit to stand(p Bird, M et al.,(2009) conducted a study to examine the long term effects of a multicomponent exercise on balance ,mobility, and exercise behavior among healthy older adults between the age group of (65-75) years. The design used for the study was randomized control intervention. The duration of the study was 12 months. Differences between those subjects, who continued to exercise and those who discontinued were investigated. The subjects who continued exercise had significantly greater improvement in strength after the intervention as compaired to those who discontinued. (p=0.004) Bird, M.L et al., (2012) conducted a study to evaluate the effects of a Pilates intervention on balance and function among community dwelling older adults above 60 years. The design used was randomized cross over study for 16 weeks, conducted in university exercise clinic. Community dwelling older adults (n=32) were selected. Out of 32, 27 were completed the intervention. Participants were allocated to either 5 weeks of a group Pilates training intervention for experimental group and 5 weeks of usual activity for control. After the 6 week, subjects performed alternate intervention. The outcome measures were 4 square test and Timed up and Go test. The results revealed that there was a significant improvement in static and dynamic balance from pre post Pilates (p Bulat, T et al (2007) conducted a study to assess the effectiveness of group functional balance training on balance outcomes in community dwelling elderly people. The study was conducted in Haley Veterans hospital in USA. The research design adopted for this study was one group pretest post-test. The participated study subjects were 51.These study subjects were participated in functional balance training programme once in a week and it lasts for a period of eight weeks.1 hour classes were conducted weekly ones.84% of elderly people were completed five or more classes weekly. The outcome measures were evaluated by using berg balance scale, Limits of stability, before and after the balance training classes. The result of the study reveals that, there was a significant improvement in the Berg Balance Scale (p

Friday, September 20, 2019

Sustainable design

Sustainable design Introduction Sustainable design is the philosophy of designing physical and conceptual objects, the built environment and services to fulfil the principles of economic, social, and ecological sustainability. Sustainable designs are more commonly seen nowadays because of the rise in environmental issues like greenhouse effect and global warming. With reference to a survey done by Autodesk Inc, the results indicate that mechanical engineers expect to see an increase in sustainable design work in 2010. â€Å"According to survey results, designs that use less energy or reduce emissions remain the most important sustainable technology practice, while manufacturing processes that use less energy and natural resources were also a priority.† There are several factors to consider when creating a sustainable design. They are ecological sustainability, built environment, economic sustainability and social responsibility. Ecological sustainability deals with issues regarding the natural Ecological Sustainability environmentally-friendly designs Built Environment man-made design, indoor and outdoor design Economic Sustainability marketability of the design Social Sustainability -cohesion, place and people Social Responsibility Ethics is fundamentally a practical matter. It is concerned with how we should live, how we should treat other people and the world around us. It is how we should act in a moral and responsible manner. Sustainable designs are strongly encouraged because it is beneficial to our environment. It is each and every one of our duties and responsibilities to protect and take care of our environment. Achieving Sustainable Design Sustainable designs are achieved through sensitive designs, for example, energy efficiency. Sensitive designs include good contextual studies of the surroundings, factors like site location, weather and local culture. The choice of material for the design is also an important factor as well. It is encouraged that renewable resources are used for building materials as it is environmentally-friendly. An example of a sustainable design is the EDITT (Ecological Design in the Tropics) Tower (Figure 1) in Singapore. It adopts many climatic responsive techniques: â€Å"wind walls† to direct wind to internal spaces, solar panels, mechanically joined connections between building components to facilitate recycling, rainwater collection, sewage composting and grey-water reuse. The tower has well-planted facades and vegetated terraces which is approximately about 3800 sq meters, almost about half of the gross usable area of the building As seen from the layout plan , the greenery are planted at the edges of each level. The placement of the vegetation within the tower at different levels correspond to the microclimates of each individual sub-zone at the tower. Human Nature Relationship A good sustainable design should also relate people with the natural environment. Human and nature interaction are encouraged in architectural designs by creating openings to create views, allowing people to be in touch with the natural surroundings. Man activities that destroy the environment and consume energy are meaningless because they contribute little to our well beings and the quality of life. Recycled furniture is therefore becoming a very popular choice. Wood and glass are good examples of recycled material. However, recycled furniture could also mean to reuse old and unwanted items. Figure 4 shows a recycled chair made of compact discs. As information are conveniently stored into thumb drives and computers in modern days now, old and burned compact discs are not wanted anymore. Alternative suggestions to reuse the discs may include coasters, but the recycled chair in figure 4 is a good way to reuse loads of discs all at once. However, the comfortability of the chair is another issue. Figure 5 is a coffee table made of bicycle wheel. Bent and spoiled bicycle wheel may be useless to some but after some alterations, the faulty wheels could be turned into a useful piece of furniture. Cons of Sustainability The aim of sustainable design is to accommodate peoples current demands and needs of the present without compromising the ability of future generations to accomodate their own needs. Many of the current processes the modern world chooses to obtain and use our natural resources are short-sighted. Companies looking to make a profit right away can cause long term damage to the environment when they do activities for example, cutting down too many trees or produce pollutants. However, sustainable design would require huge amount of time, money and research to find out which methods of production would damage the environment the least. This is the major reason why people are hesitant to support sustainable development. Case Study The Marcus Beach House designed by BARK Design Architects in Australia has a coastal setting, providing the owner with a relationship with the landscape and sensitive surrounding environment. This site explores filtering natural breezes, lightness, layers of transparency and integrating between indoor and outdoor spaces within dynamic patterns of light and shadow, being a simple frame to enable a contemporary sustainable lifestyle. The Marcus Beach House Design uses open concept where there are a lot of flexible spaces available. Walls are made retractable to allow better air ventilation. As seen from figures 5 and 6, the blue arrows indicated the wind flow directions through windows and void spaces. Such architectural designs made use of available natural surrounding elements, for example the wind and the sunlight. Therefore, the energy consumption is greatly reduced. Conclusion Sustainability in designs is greatly beneficial to our environment and hence strongly encouraged. The factors to consider when creating a sustainable design are ecological sustainability, built environment, economic sustainability and social responsibility. Everyone is responsible for the natural environment that they are living in and hence should play a part in protecting our Earth. Sustainable designs can be created through sensitive designs with reference to the site context to achieve energy efficiency.

Thursday, September 19, 2019

The Reeves Rebuttal :: essays research papers

The Reeve's Rebuttal The Reeve of Geoffrey Chaucer’s The Canterbury Tales I portrayed in the first as â€Å"old and choleric and thin†(605), choleric meaning short-tempered and yellow. All of Chaucer’s descriptions of the pilgrims in his tales give an insight into and very well foreshadow the their tale to come, and the Reeve is of course no exception. His description continues, portraying him with a conservative and resolve appearance, and one of fierce authority. Clever, calculating, and ruthless seem to sum up his personality, an imposing persona in a weakening body. And when it comes his time to tell his tale, he is quick t fight tale to tale with the Miller to embarrass him more so, being a carpenter himself and having the Millers tale just so insultingly decrying another carpenter. His description is immediately true, as his short-temper brings his tale of a hapless and cruel miller’s defeat in order to decry the Miller. In the Reeve’s tale, two scholars visit a cheat of a miller from the local university with corn to grind. These boys eventually turn the tables on the miller, and thus it is no small surprise that the position these boys are in is similar to the Reeve’s career as well. The boys, clever and aware, watch to make sure they wouldn’t get cheated by the miller, so in turn the miller lets loose their horse, delaying their return home and letting the miller keep a cut of the corn. To take back what’s theirs ad have the final insult, one of the boys has his way with the millers daughter, and the other his way with the wife. Though undetermined, this could be a clever complementing of the reeve’s younger life. The story, though complete with a moral of the wicked getting their just rewards, is little more than snipe at the real Miller, having him be beaten, tricked, and dishonored by the younger Reeve’s versions. In the prologue of The Canterbury Tales, the Reeve is a ragged older version of the boys later to come in his story.

Wednesday, September 18, 2019

Robert E. Lee Essay -- Biography Biographies Bio essays research paper

Robert E. Lee Introduction   Ã‚  Ã‚  Ã‚  Ã‚  Few episodes in history are more painful to Americans than the Civil War, fought between the North and the South. This biography, Great American Generals - Robert E. Lee, by Ian Hogg, takes the reader through the life of one of the greatest heroes of that war, Robert E. Lee. It is a thorough, in depth record of the life of Lee and begins with a detailed account of his family history and his birth, through his college years, military experience and his work in later life to his death on October 12, 1870. The first few pages set the scene by listing a substantial amount of facts about the names and backgrounds of his parents Harry and Ann and Lee's wife, Mary Custis, with some reference to his father's army career and political life. After Lee's early years, the reader will learn of his schooling at the Military Academy, West Point, followed by his life in the Army before and after the Civil War. The biography ends in the latter pages with an account of his work after his military career came to an end, and finally, with his death after a prolonged period of ill-health, thought to be stress induced.   Ã‚  Ã‚  Ã‚  Ã‚  Author Ian Hogg is a prolific writer in the field of defense and military technology. He is a weapons expert, having written many books on all types of rifles, shotguns and small arms, such as Modern Rifles, Shotguns and Pistols, and Modern Small Arms. He is an acknowledged expert on infantry weapons and is thought to be the world's leading expert on this and artillery strategies. He is a well known author of military history, and works as a weapons evaluator in addition to his writing.   Ã‚  Ã‚  Ã‚  Ã‚  Robert E. Lee was born in Stratford, Virginia on January 19, 1807. His father, Henry Lee, had achieved fame with Washington's army as "Lighthorse Harry,"and it was a fame that rested not only on his cavalry exploits but upon sound strategic and tactical ability. A significant portion of his fame was credited to him for beating off a surprise British attack at Spread Eagle Tavern in January, 1778. Unfortunately Harry was egotistical and had a high opinion of his own abilities. Although he achieved the rank of lieutenant-colonel, he felt that he deserved more. When the war ended and he had not advanced in rank he resigned from the army to pursue a career in politics. Henry decided to run for the position... ...nd the circumstances into which he was born on January 19, 1807, and ends with his death on October 12, 1870.   Ã‚  Ã‚  Ã‚  Ã‚  Hogg relates the intervening years in an extremely interesting fashion, providing many fascinating and detailed pieces of information. The story is presented in a way that keeps the interest of the reader, and is not boring, even when giving statistics of the various campaigns that Lee undertook. The book appeals not just to Lee fans, but to all history students.   Ã‚  Ã‚  Ã‚  Ã‚  The pages are filled with numerous detailed maps, and colorful pictures that enhance the view of Lee and his life. Military students will delight in the descriptions of the war, while students of Lee's character are rewarded by fascinating facts of his and his parent's lives.   Ã‚  Ã‚  Ã‚  Ã‚  Hogg presents this painful episode in America's history in a balanced, non-judgemental way. He portrays Lee as a man of great integrity and honor, a true Southern gentleman, and casts no slurs concerning the fact that Lee was on the losing side of a war in which there were no winners.   Ã‚  Ã‚  Ã‚  Ã‚  This is an exciting and informative book and is one of the more enjoyable books which are required reading for this course.

Tuesday, September 17, 2019

Prince of Denmark: A Hero?

William's Shakespeare's famous drama Hamlet, is filled with treachery, revenge, and corruption. The play unfolds as the protagonist, a troubled young prince, looses his father to the hand of his uncle. At the same time, his recently widowed mother marries this uncle becomes new king of Denmark. After encountering his father's ghost, young Hamlet dedicates himself to avenge his father's murder. But although at the beginning he seems sure of what he's set out to do, his many flaws start to show thought out the story. He begins constantly struggling in a battle with his mind, and delays action by finding reasons to avoid his duties. He also builds up many emotions on his mother's marriage, and looses faith on all women. He becomes uninterested in life and sees no meaning of it. He's unable to act, to think clearly, to love, to build a much more meaningful life and hides himself in his own thoughts. He clearly was not a fit hero, for he was a passive, suicidal, misogynist wimp. Hamlet can be portrayed as uncertain. He is unclear about whether to avenge the death of his father, or simply mourn his absence but recover and let go. He conveys a feeling of ambiguity in his soliloquies, by fearing condemnation for himself. In act one he first brings out doubts about this father's ghost, saying â€Å"The spirit that I have seen may be the devil. † Making this a quick excuse he continues saying the devil being so strong has abused him in his â€Å"weakness and melancholy† (III, 2, Pg137). He continues to doubt his ability to obey the ghost, for he is simply a coward. He confesses he's â€Å"dull† and claims he cannot take action because his personality is a passive one. As the play goes on, Hamlet still does not find the motivation to continue his plan. He compares himself to the player of a king passionate about Hecuba, when it doesn't mean much to him because he's acting. He says, â€Å"Yet I, a lazy and miserable rascal, mope about like Johnny Daydreams, lacking inspiration for my cause, and unable to say a word. No, not even on behalf of a king who was damnably murdered. † (II, 2, Pg135). The prince of Denmark later begins to convince himself that the ghost was truly his father and is determined to follow the ghost's commands. But in order to kill the king, he thinks of attempting to act but cannot actually bring himself into action. In act III, scene 2, Hamlet decides to go on to kill King Claudius and establish justice once and for all. But at the next scene he talks himself out of character and does not kill the king. Apparently the king was praying in church and he decided not to kill him because â€Å"he would go to heaven. So much for my revenge! †. He delays and intends to do the deed when King Claudius â€Å"is drunk asleep, or in a rage, in bed indulging in incestuous pleasures, blaspheming while playing a game, or involved in some activity that has no trace of God's salvation in it. † (III, 3, Pg187). Hamlet's actions are delayed whenever the situation is not perfect. He goes back and forth, and only kills Claudius when he's almost force to before his own death. Another one of Hamlet's flaws is his lack of contempt for life. After his uncle Claudius murdered his brother, Hamlet's father, he'd knew it was for the power and hand of the queen. His mood turns morbid and depressed. His mind suffered and he was looking at death as the dream of something better than his troubled life. †To live or not to live. That is the issue. Is it more noble to endure the blows of fickle fortune, or to fight against overwhelming odds and overcome them? †(III,1,Pg143). Hamlet is much tired of feeling sorrow over his murdered father and anger towards his mother. But as he contemplates suicide, he wonders and worries about what and where he would go after death. He keeps in mind Christian beliefs of damnation and still sees death as something unknown and feared. But he's constantly wishing he didn't have to go on. â€Å"I have lost my good spirits, dropped all form of exercise. Indeed, I feel so depressed that this beautiful structure the earth seems to be a useless lump of rock. †(II, 2, Pg117). He not only hates his life but the world that surrounds him has no meaning. He even calls his home Denmark, where he is prince, an â€Å"unweedened garden† of â€Å"things rank and gross in nature†(I, 2, Pg00). After coming back from his ship to England, Hamlet encounters a gravedigger and learns he's digging the grave for Ophelia. It makes him feel very angry and confused, and after learning about the life of some of the deceased at the graveyard, changes dramatically his views towards death. He goes from feeling troubled and fearful of the unknown, into a person aware of the reality of death. Hamlet becomes obsessed with it and its effects. In act III he's able to discuss death openly, and when he killed Polonius by mistake he had no sympathy or remorse. Same happened when he sends to kill Rosencratz and Guildenstern believing â€Å"they brought it upon themselves†. He shows numbness to all death around him and death itself. He comes to a conclusion that no matter who you are and how important you are, everyone ends up buried exactly the same way. â€Å"Alexander died, Alexander was buried, Alexander returned to dust, the dust is earth, of earth we make loam,†(V, 1, Pg273) This way of thinking helped him accept Laertes' duel knowing what might be his faith. â€Å"Being prepared for [death] is what matters†¦ what's so bad about an early death? (V, 2, Pg295). During the entire play, Hamlet shows a negative view towards the women in his life as well. He feels that both his mother Gertrude, and lover Ophelia have betrayed them through their actions. His relationship with his mother isn't the best because even though he loves her, he's still angry that she didn't mourn his father and married his uncle so quickly after his death. He feels she has betrayed booth him and his father, he also sees it as immoral and disrespectful. He feels she, as well as all woman are dependent on men too much, are too weak, and cannot think for themselves. He calls them â€Å"brainless beasts† who â€Å"Know well enough what cuckold s [they] make of [men]. †(III, 1, Pg149). He begins to feel disgusted with marriage and sexuality â€Å"Imagine! Living in the stinking sweat of a greasy bed, wallowing in corruption, flirting and making love in that disgusting pigsty! †(III, 4, Pg197). Hamlet does not understand how men could stand having women around them at all. His mother obviously shaped greatly his view on all women. He especially let out all these feelings when he encounters his young love Ophelia. He says harsh things to her and treats her as if she was much more inferior to him. He tells her all women are whores, and all women, including her, who seem pure inside are full of corruption and sexual desires. Ophelia's father also gets offended as he's called a fishmonger, because he ordered his daughter to spy on Hamlet. Hamlet doesn't trust Ophelia, even though she's always willing to listen to him. He thinks he's got women all figured out â€Å"I know all about your cosmetics. God has given you one face, and you must make yourselves another. You wiggle and mince, you put on fancy voices, you use fashionable words, and pretend your affections are natural†(III, 1, Pg149). But in the mist of his rage, he failed to see that Ophelia always defended him and loved him despite his brutality towards her. Not only was he passive, suicidal and misogynist, but he often showed he was a wimp. Hamlet delayed his revenge for so long, making several excuses when he had a clear chance to kill his uncle. Also, he simply did not confront him, but organized a play to set him up on what he called a â€Å"mousetrap†. But this only delayed his actions even more. â€Å"My eyes will be revered on his face, later we'll compare notes judging his demeanor. †(III, 2, Pg157). He showed to be afraid of Claudius, because everything he does is not direct. Hamlet was specially a wimp when he goes to confront his mother, and he notices that someone is hiding behind the curtains but cannot make out who it is. Thinking it might be Claudius, he stabs him with his sword. But the person behind the curtains was Polonius, Ophelia's father. â€Å"You wretched rash, intruding fool- farewell. I thought you were the king. Accept your bad luck. †(III, 4, Pg193). His actions were very cowardly because he didn't attack the king directly, but behind the curtain where one cannot see the attack coming. Young Hamlet may had been a prince by birth but not by actions. He also wasn't fit to be a hero, because his many flaws could not allow him to develop a admirable personality. It can't be denied that his situation was harsh and that it could bring sorrow to anyone in his position. But he should have been able to think and express himself more rationally, instead of running endlessly around the same circle of insecurity. His lack of strength affected not only himself but all members of the court and friends. Upon his death he was given memorial like a soldier, even though he lived like a coward, without love, pride or happiness.

Monday, September 16, 2019

Completion Of Manufacturing Process Engineering Essay

Crunching is used for remotion of metal at completing procedure after completion of fabrication procedure. This is much faster than any other border tools which are used for border remotion. And besides crunching has greater velocity, truth and surface coating ( www.brighthub.com ) .Crunching Procedure:In this grinding procedure we will utilize a grinding wheel to taking stuff by cutting action of the infinite difficult and crisp scratchy atoms. It is really of import that we choose the correct crunching wheel for the exact type of cutting required. This crunching wheel consists of several scratchy atoms which act as minute film editing borders, and these atoms are bonded with the aid of adhering stuff. Crunching uses a method of stuff remotion called scratch ; it is must harder than the stuff being about. Besides the scratchy demands to be able to defy high temperatures caused by the clash during the grinding. Sometimes, these high temperatures will do harm to the bonding agents fou nd in the wheel doing the wheel to interrupt down. A ( www.surface-grinder.net, www.brighthub.com,2010 )Crunching types:Cylindrical bomber Surface bomber Tool and cutter bomber Belt bomber Bench bomber Jig bomber Gear bomberSurface grinding:Surface grinding is a fabrication procedure which moves or crunching wheel relative a surface in plane while a crunching wheel contacts the surface and removes a minute sum of stuff such that a level surface is created. In Surface grinding there are some methods include horizontal-spindle, vertical-spindle, perpendicular spindle rotary grinding, horizontal-spindle individual disc and perpendicular swivel caput grinding. For the surface crunching we need these parts for: To sharpening of cutting tool Produce a level surface Required a smooth surface raggedness Accurate tolerance thickness ( hypertext transfer protocol: //www.spindlesworld.com/grinding-process.html,2010 ) hypertext transfer protocol: //www.engineersedge.com/manufacturing/images/grind1.gif Horizontal – spindle reciprocating table surface grinding ( www.engineersedge.com ) hypertext transfer protocol: //www.engineersedge.com/manufacturing/images/grind4.gif Vertical – spindle reciprocating table surface grinding ( www.engineersedge.com )Centreless Grinding:In this centred crunching the grinding is performed at the Centre. This is besides called cylindrical grinding. These centred grindings are two types ; those are outside Diameter ( OD ) grinding and indoors diameter ( ID ) crunching. In Outside Diameter crunching the work piece has centre drilled terminals, suiting Centre points and surface is removed by revolving the bomber ‘s face home base with traveling the crunching wheel or revolving in clockwise waies. ( hypertext transfer protocol: //www.spindlesworld.com/grinding-process.html ) hypertext transfer protocol: //upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Centerless_grinding_schematic.svg/220px-Centerless_grinding_schematic.svg.png A schematic of the Centre less grinding procedure ( en.wikipedia.org )Tool and Cutter bomber:To sharpen milling cutters and tool spots this tool and cutter tool is used, along with a host of other film editing tools. hypertext transfer protocol: //upload.wikimedia.org/wikipedia/commons/thumb/3/38/ToolandCutterGrinder-table-head.jpg/220px-ToolandCutterGrinder-table-head.jpg Vie of a typical setuponaT & A ; Cgrinder ( hypertext transfer protocol: //en.wikipedia.org/wiki/Tool_and_cutter_grinder ) .Crunching wheel:AA crunching wheelA is an expendable wheel that is composed of anA abrasiveA compound used for assorted grindingA andA scratchy machining operations. They are used inA crunching machines. Wheel removes much smaller french friess of metal. The sedimentation of such bantam french friess, called swarf, occurs because theA grindingA wheel is composed of 1000s of cutting borders. TwoA typesA of scratchy stuff are used in theA grindingA wheel ; Aluminium oxide and Silicon oxide.A AluminiumA oxide is used when machining stuffs with a high ductileness, or ability to deform for good. Silicon oxide is used for stuffs with a low ductileness. The scratchy grains in aA grindingA wheel allow for a smooth finished merchandise, irrespective of the stuff being worked on. These scratchy atoms are normally coated with a diamond dressing. TheA surfaceA bomber is normally used as a finishing operation. ( http: //www.wisegeek.com/what-is-a-surface-grinder.htm,2010 ) hypertext transfer protocol: //upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Slijpsteen.jpg/220px-Slijpsteen.jpg Crunching wheel ( en.wikipedia.org ) There are five features of a cutting wheel: stuff, grain size, wheel class, grain spacing and bond type.Material:They will be Material, the existent abradant, is selected harmonizing to the hardness of the stuff being cut. Aluminium Oxide ( A ) Silicon Carbide ( C ) Diamond ( D, MD, SD ) Cubic Boron Nitride ( B )Wheel bond:Wheel holds the abradants, affects finish, coolant, and minimum/maximum wheel velocity. Vitrified ( V ) Resinoid ( R ) Silicate ( S ) Shellac ( E ) Rubber ( R ) Oxychloride ( O ) Wheel types: Straight wheel Cylinder ( or ) Wheel pealing Tapered wheel Straight cup Dish Cup Saucer wheel Diamond wheel Diamond spindles Cut off wheelsDiamond wheel:Crunching is the most popular method used to machine difficult stuffs utilizing diamond grinding wheels. The status of the grits on the fringe of a grinding wheel has a major cheek on the harm induced in a land specimen. Therefore truing and dressing must be carried out often ( Amin et al, 2000 ) .Dressing:The wheel must be dressed each clip it is placed on the machine, even though it may non hold been removed from the wheel Centre. Mount the wheel chest of drawers on the bomber tabular array. Bring the revolving grinding wheel up near to the diamond and get down the coolant flow. Never frock without coolant. Frictional heat build-up can do the diamond to come loose or separate from its saddle horse. Lack of lubricating belongingss, along with chilling, needlessly abrades the diamond.Face DressingWe need to convey the diamond contact with the Centre of the wheel, fed in a upper limit of.002 † , and so traversed each way off the border of the wheel. L earning the best crossbeam rate for dressing the wheel is a affair of test and mistake for each operator. We have to be fast adequate to forestall glazing, but slow plenty to minimise coiling lead Markss. Dressing from the Centre of the wheel out to each border helps minimise the consequence of the coiling lead Markss on the coating of the work piece. Do non take over.002 † per base on balls. Excessive in-feed will do the wheel to move like it ‘s loaded. This consequences from wheel stuff being â€Å" pasted † into new exposed wheel porousness. The type of frock applied to the crunching wheel may be changed to accommodate different crunching demands. A rapid crossbeam will take big sums of stuff rapidly. A slower crossbeam will bring forth a more desirable coating, but do n't take stuff as quickly. Face Dressing a Crankshaft Grinding WheelFace Dressing ( www.goodson.com )Side DressingWhenever the sides of a grinding wheel are found to run out, they should be dressed. With the chest of drawers mounted to a tabular array, conveying the diamond into contact with the crunching wheel near its forepart corner, feed in a upper limit of.002 † . The wheel is so fed in and out until the necessary sum has been dressed from each side of the wheel. Side Dressing a Crankshaft Grinding WheelSide Dressing ( www.goodson.com )Radius DressingPosition the diamond in the holder confronting out the forepart. Skid the holder back, place and lock the radius adjustor at the coveted dimension. Then skid the diamond holder frontward until the diamond contacts the radius accommodation halt. Tighten the diamond holder, unlock and abjure the accommodation halt. Feed the wheel into place to the full frontward. Using all right provender, conveying the diamond into contact with the front face of the wheel and dress the full breadth. Then back the wheel off from the diamond.004 † , loosen the swivel lock and take one of the halt pins so the upper swivel can be rotated 90A ° of travel. While swiveling the diamond through its 90A ° discharge, conveying the wheel into contact and frock of the needed sum from one corner. Repeat this procedure for the opposite corner by replacing the first halt pin and taking the 2nd pin to supply 90A ° rota ry motion in the opposite way. Be certain to maintain your diamond chest of drawers tools crisp. Revolve the diamond 30 to 45A ° after each dressing operation. Radius Dressing a Crankshaft Grinding WheelRadius Dressing ( www.goodson.com )( hypertext transfer protocol: //www.goodson.com/technical_support/tech_library/dressig_crankshaft_wheels.php,2010 ) Coolant: Coolants play an of import function in machining. One of the chief maps of coolants is to lubricate. This is achieved by decrease of the clash that develops in the contact zones between tool and work piece every bit good as between tool and bit. Heat dissipation, i.e. chilling of the work piece, and rinsing french friess off from the contact zone are farther of import maps of the coolant. The combined lubrication and chilling consequence reduces tool wear and enhances surface quality and dimensional truth of the work piece ( Brinksmeier et al, 1999 ) .Oil-based coolants:High force per unit areas and temperatures during machining procedures are necessary to make separation movies between the solid surfaces of the tool and work piece. The undermentioned BASIC oils are common: Mineral oil: natural C-H bonds must be free of harmful aromatic compounds by refinement. Hydrocrack oils: Partially man-made, low content of aromatic compounds, improved mineral oil Polyalphaolefines: Fully man-made oil with bifurcate hydrocarbons, thermally stable Man-made ester: Fully man-made oil of fatty ester acids, thermally stable, biologically analyzable, functional as basic oil and as linear.Water-based coolants:For high chilling efficiency and rinsing off capablenesss, water-based emulsions or solutions are employed. Water-based solutions consist of inorganic and/or organic substances and H2O and really rarely contain mineral oils. The H2O and oil stages must be separated before disposal. High chemical stableness and transparence are farther advantages in high chilling efficiency and rinsing off capableness. Water-based emulsion dressed ores contain 20-70 % basic oil. For metal crunching operations, oil-in-water emulsions are common ; the sum of oil determines the lubrication ability of the emulsion. Water based coolants contain up to 20 constituents in which ; each of the constituents can themselves be multi component mixtures. In grinding, the bit is formed, as stuff is deformed by the grit or grain film editing border and displaced sideways or frontward harmonizing to the orientation of the film editing border. Common oil concentrations in emulsions for crunching operations are between 2 and 15 % . Their chief disadvantage is susceptibility to leakage oils and micro beings doing high care costs ineluctable. ( Brinksmeier,1991 ) . Boundary lubrication is the manner of lubrication which depends on the lubricator movie bed physically adsorbed to the contact or the chemical bed formed on the contact. Boundary lubrication is two types, physical adsorbed layer boundary lubrication and chemical boundary bed lubrication. Beg linger and Gee de [ 1935 ] and Tabor [ 1981 ] by experimentation showed that practically in an elastohydrodynamic contact the lubrication and contact governments are rather assorted due to the contact surface raggedness and the local terrible EHL movie thinning even when the planetary EHL movie thickness is comparatively high. They showed that in a practical EHL contact both the physical adsorbed bed boundary lubrication and the chemical boundary bed lubrication frequently severally locally occur in different countries of the contact and these two lubrications both play of import functions in the public presentation of an EHL contact. These two lubrications really determine the failure of an EHL contact. Zhang [ 2005 ] theoretically showed that even in an ideally smooth EHL contact in isothermal pure turn overing status physical adsorbed layer boundary lubrication occurs in portion of the Hertz a contact zone when the turn overing velocity is lower than a critical value or the bu rden is higher than a critical value Lubrication jobs in infinite include: aˆ? Very low ambient force per unit area ; aˆ? Presence of atomic species other than the usually encountered molecular species ; aˆ? Radiation environment ; aˆ? Absence of a gravitative field. The low-pressure environment contributes to rapid Vaporization of the liquid or semi-solid lubricating oil lubricators usually employed. Since lubrication normally takes topographic point by agencies of a movie entrained between skiding or turn overing surfaces, the loss of this movie due to vaporization and mechanical working can ensue in failure of the mechanism. The lubrication map is, with many metals, strongly influenced by the presence or absence of oxide movies on these metals. The surface oxides often act as protective movies and, in some instances, contribute to the concluding surface movies through either chemical reaction or chemosorption ‘s ( Zaretsky1990 ) . The film editing fluids are chiefly used in metal remotion processes due to their consequence on conveying generated heat in the contact zone, decrease of clash in the tool-work piece contact zone and bit transit from the cutting country. On the other manus cutting fluids have serious disadvantages, such as wellness jeopardies and the explosiveness of oil vapor, environmental pollution, wear of the elements of the machine tool and increasing fabrication cost. In order to diminish the negative environmental impact of the film editing fluids and cut downing fabrication costs, new machining techniques such as dry machining are used ( Klocke at el 1997 ) .MQL:During crunching, many scratchy grits are in contact with the work piece at each 2nd, but merely a little part of these grits have the cutting function in the existent procedure and the others do non execute existent film editing, but alternatively bring forth heat by rubbing and plowing the work piece surface in the contact zone. H igh heat coevals and temperature in the contact zone are associated with a high negative profligate angle and a great contact length in crunching procedure. Crunching operation, without utilizing sufficient coolant-lubricant, leads to thermal amendss and dimensional inaccuracy on the work piece surface. Hence methods of dry crunching have non yet been to the full successful in industrial applications. An attractive option for the dry grinding procedure is the minimal measure lubrication ( MQL ) grinding. This procedure uses a minimal measure of lubrication and is referred to as close dry grinding. In MQL grinding, an air-oil mixture called an aerosol is fed onto the machining zone. Tawakoli et al 2010investigated the effects of the work piece material hardness and crunching parametric quantities on the MQL grinding procedure. Based on the consequences of their probes, important betterment can be achieved by MQL grinding of hardened steel in comparing to dry crunching procedure. One attractive option for dry and unstable grinding procedures is MQL crunching. This procedure uses a minimal measure of lubrication and is referred to as close dry grinding. In this procedure aerosols are oil droplets dispersed in a jet of air, oil droplets carried by the air fly straight to the tool working zone, supplying the needed chilling and lubricating actions. Tawakoli et al 2010 investigated the effects of the work piece material hardness and crunching parametric quantities on the MQL grinding procedure. Based on the consequences of their probes, important betterment can be achieved by MQL grinding of hardened steel in comparing to dry crunching procedure. In MQL film editing, a little sum of biodegradable oil, which is assorted with tight air to organize oil mist, is applied to the cutting point alternatively of the inundation supply of H2O mixable or water-immiscible film editing fluids. Many successful consequences have been reported on tool wear decrease in terminal milling, boring, and turning. MQL cutting can cut down non merely the cost associated with the disposal of waste oils but besides the energy ingestion related to the cutting unstable supply systems, while it may demo some troubles in chilling tool and work, transporting french friess off from cutting points, etc. Unlike wet film editing, in which the film editing point and its environing countries are certainly cooled, MQL is non ever effectual to any type of cutting. MQL does non work so good in cutting difficult-to-machine stuffs with high strengths, low thermic conductions, and high affinities with tool. Some researches applied MQL on heavy cutting with big deepnesss of cut and provender rates, and high-velocity film editing with high rates of heat coevals. Therefore, high-velocity MQL rifling was carried out utilizing a coated, cemented carbide tool to clear up the consequence of MQL on cutting public presentation in high-velocity film editing. [ Toshiyuki Obikawa et Al, 2006 ] . Crunching kineticss: Chatter is a violent quiver of the tool, negatively affects machining of metals. The most of import belongings of yak is that it is a self-excited quiver, which is closely related to the dynamic behavior of the film editing forces and the machinery construction. This is an unwanted status because it adversely affects the surface finish quality, machining truth, tool life and spindle bearing life. Chatter is responsible for cut downing production end product, because if no solution can be found, metal remotion rates have to be lowered until vibration-free public presentation is obtained. And besides yak is so inconsistent in character that the inclination of a machine to exhibit yak is frequently non realized during the development phase ( Taskesen and Ercan 2003 ) . The grinding machine spindle is one such system where quiver causes major jobs in the grinding procedure as the crunching wheel deepness of cut is so little that even the slightest amplitude of quiver can hold dramatically detrimental effects on surface coating, wheel wear, and form-holding. Crunching machine quiver are two types, forced quiver and self-excited ( yak ) quiver. Forced quivers are caused by periodic perturbation external to the grinding procedure ; Chatter is so inconsistent in character that the inclination of a machine to exhibit yak is frequently non realized during the development phase ( Taskesen and Ercan 2003, Malkin1984 ) . The grinding machine spindle is one such system where quiver causes major jobs in the grinding procedure as the crunching wheel deepness of cut is so little that even the slightest amplitude of quiver can hold dramatically detrimental effects on surface coating, wheel wear, and form-holding. Crunching machine quivers are normally classified into two types: Forced quiver and Self-excited quiver. Forced quivers are caused by periodic perturbation external to the grinding procedure. Self-excited quivers are by and large associated with natural quiver manners of the machine-tool construction. A numerical algorithm based on five grades of freedom theoretical account was presented to imitate the dynamic response of the spindle of a grinding machine ( Alfares and Elsharkawy, 2000 ) . Crunching energy: The ‘grit size consequence ‘ for specific energy in crunching of Si nitride by is wickedness bonded diamond wheel. An addition in specific crunching energy at smaller deepnesss of cut was related to an addition in specific ploughing energy at larger semi-included angles. By comparing the dimensionless specific crunching energy to the modified dimensionless specific ploughing energy, a general grit cross-sectional cutting profile was obtained holding a rounded tip at its terminal. The deliberate grit profile was characterized in footings of an mean tip radius and asymptotic semi-included angle ( Hwang et al1999 ) . Specific energy by and large includes energies consumed in bit formation, ploughing, sliding, and elastic distortion of work piece. Specific energy in grinding is approximately an order of magnitude higher than in turning or milling. The higher specific energy in crunching is chiefly due to more specific surfaces produced in french friess, every bit good as more material distortions ( both plastic and elastic ) . On the other manus, under the same grinding conditions, specific energy besides depends on the belongingss of the work piece stuff, particularly physical-mechanical belongingss. Specific energy in crunching can be mathematically modelled and used to foretell crunching procedures ( Tonshoff, 1992 and Malkin et Al, 1996 ) . The theoretical account anticipation is good verified by the grinding experiment and is proven to be feasible. _the grain size of the WC samples has an obvious consequence on specific energy in grinding and surface topography of the land WC samples. _ Under a given grinding status, the WC samples with a smaller norm grain size consequence in lower specific energy, and frailty versa. _ Plastic distortion occurs during crunching of the WC samples. It is chiefly due to the soft Co stage which is found to be †squeezed out † due to abrasive-work piece interactions. The †squeezing out † causes the Co stage to smear over the land work piece surface, Forming ridges and/or pile-ups along the grinding abrasions ( Ren et al,2009 ) . Crunching force: Durgumahanti et Al. in 2010 developed a crunching force theoretical account by integrating the effects of variable coefficient of clash and plowing force.This crunching procedure consists of three phases: plowing, cutting and rubbing. These constituents were used in the footings of the experimental coefficients and procedure parametric quantities like wheel velocity, table provender and deepness of cuts. By executing crunching trials at specified conditions, they determined the practical coefficient. The fluctuation of the clash coefficient with procedure parametric quantities such as wheel velocity and work provender has been taken into consideration while ciphering the frictional force constituents. The plowing force constituents were modelled by executing single-grit trials. The entire grinding force theoretical account is developed by integrating the combined effects of variable coefficient of clash and the plowing force. This theoretical account clearly explains the importance o f the plowing force, which becomes more prevailing at really low deepness of cuts. The coefficient of clash in the present theoretical account varies with procedure parametric quantities like wheel velocity and table provender, unlike the old theoretical accounts, where it is a changeless value throughout the procedure. Earlier strategies of executing of these trials were either by utilizing by utilizing an aluminum phonograph record that was mounted on to a grinding machine. It can be observed that the present strategy of put to deathing the single-grit trials can take attention of these restrictions. Hence, the new crunching force theoretical account can be faithfully used to foretell the grinding forces and supply a certain theoretical footing for research on crunching force. A new surface crunching force theoretical account is proposed. The influences of crunching treating parametric quantities to dynamic mechanics belongings of metal stuff film editing and clash coefficient between work piece and crunching wheel have been taken into history. The consequences of simulation and computation are co-occuring good with the experimental measuring. This proves the rightness and effectivity of proposed crunching force theoretical account. To definite crunching wheel and element stuff, merely four groups of experiments are needed for work outing a set of additive equations and can obtain the precise computation expression of crunching force under the same grinding wheel and element stuff conditions. Compared with the traditional theoretical account, this crunching force theoretical account avoids a big figure of experiments and saves the cost every bit good ( Tanga, 2009 ) . Vibration devices: This magneto-strain is quadratic and occurs ever in the same way whatever is the field way. In the applications of majority stuffs these enlargement strains are seldom used straight because a additive behavior is preferred. By using a mechanical pre-stress and a magnetic prejudice in the active stuff the one-dimensionality is obtained. Quasistatic actuators are utilizing GMA in these conditions for placement, quiver control, stepping motors and fluid control applications. Giant Magnetostrictive Materials ( GMMs ) are in competition with piezo ceramics, particularly MLAs but found their topographic point in specific applications such as low electromotive force actuators, big force actuators, high power low frequence transducers and infinite cryogenic placement. In other instances, MLA piezoceramic actuators are frequently more interesting because of their low power ingestion and high end product energy per mass unit ( Claeyssen et al 2002 ) . For the accurate dynamic modeling of a merely supported beam under a traveling mass, LIN 1997 claimed that the chosen of a traveling mass should be accounted for carefully in the dynamic preparation since the mass is traveling along a vibrating way. Abdel-Rohman and Leipholz 1980 presented the active control of a merely supported beam under a traveling mass by utilizing flexing minute in footings of tenseness and compaction forces with a individual actuator. Kwon et Al. 1988 presented an attack to cut down the warp of a beam under a traveling burden by agencies of seting the parametric quantities of a conceptually 2nd order damped theoretical account attached to a flexible construction. Devasia et Al. 1993 presented the attacks to find the length and arrangement of piezoactuators in footings of the optimisation of muffling elite under collocated muffling control, additive quadratic cost functional in the initial status with the premise of detectability and stabilizability, and minima l characteristic root of a square matrix of controllability grammian. SUNG 2001 presented based on the Euler-Bernoulli beam theory by including the dynamic chosen of a traveling mass going along a deflecting way. Second, a multi-input-multi-output warp accountant is presented to actively cut down the structural warp under a traveling mass by utilizing piezoactuators. Last, a comparing between uncontrolled and controlled instances can be found in the numerical simulation. Using piezoactuators bonded to the beam, the accountant with full province feedback was designed to cut down the structural warp. In order to find the optimum arrangements of piezoactuators, the LQR-based preparation was employed. The micro pump consists of three actuated membranes and is capable of bidirectional operation. In those three membranes two active valves and one pump actuator. This characteristic is really utile in our application since it allows both pressurizing and depressurising the unreal sphincter. As below Fig. shows, a Li polymer battery supplies the energy to the system. A miniaturized electronic power accountant generates the high electromotive force necessary to drive the actuators of the micro pump. A reservoir is used to keep a sufficient sum of fluid to be pumped into a polymer-based turnup that represents the existent unreal sphincter prosthetic device. A force per unit area detector is besides included to supervise the force per unit area inside the turnup. All informations gathered and all operational bids can be sent via a telemetric unit to/from an external remote control unit. Fig. GASS system description Using charge recovery has resulted in up to 50 % decrease in electrical power ingestion while maintaining mechanical end product power well unchanged. The efficiency is hence improved. One drawback of this technique is the demand for physically large inductances in order to make the negative electromotive force required. Advanced drivers that are capable to retrieve portion of the charge stored in the actuators by agencies of high frequence exchanging convertors are being investigated by our group. This solution would work with much smaller inductances but, on the other manus, it would increase the complexness of the drive circuit ( Giovanni Biancuzzia 2009 ) . Piezoelectric stack actuators are employed in the theoretical account to accomplish quiver control of flexible constructions, and dynamic features are besides investigated. Mobility technique is used to deduce the regulating equations of the system. The power flow transmitted into the foundation is solved and considered as a cost map to accomplish optimum control of quiver isolation. Some numerical simulations revealed that the analytical theoretical account is effectual as piezoelectric stack actuators can accomplish significant quiver fading by choosing proper value of the input electromotive force. In active systems, the actuators are the cardinal parts. Piezoelectric stuffs can be easy bonded on or imbedded into conventional constructions, are lightweight and have comparatively high triping force and comparatively low power ingestion features, and so, are used most widely to command quiver and noise ( Crawley and Deluis 1987 ; Dimitriadis1991 ; Han et al. , 1997 ; Niuet al. , 200 4 ) . Active quiver control of a revolving flexible construction whose application includes a infinite roar, a chopper blade and a air current turbine is considered. In the rotating constructions, the fluctuation of quiver features due to the stiffening consequence of the centrifugal forces and the resonance job due to one of perturbation frequences of multiples of revolving velocity demand to be carefully considered for active quiver control. Schilhansil and Providence 1958 investigated the stiffening consequence of the centrifugal forces on the first manner flexing frequence of a revolving cantilever beam. A glass/epoxy composite beam is prepared and the piezoceramic actuator is patched at the root of the revolving hub. The fluctuations of the natural frequences are by experimentation investigated with regard to the revolving velocity. The critical perturbation frequence is determined by detecting the radius diagram, and the changeless amplitude accountant ( CAC ) is by experimentation r ealized. Vibration control responses subjected to two different perturbations ( rotational velocities ) are evaluated and presented in clip sphere. It has been demonstrated that the quiver of the beam caused by revolving the beam at resonance and non-resonance velocities can be well suppressed by using control electromotive force to the piezoactuator ( Choia and Hanb, 2004 ) . Shaker: The transducers convert the force transmitted to the construction and the response of the construction to electric signals which, one time filtered through signal conditioning equipment, are digitised and used to develop estimations of FRF in a spectrum or frequence analyser. Shaker-structure interaction is ever a concern in FRF measuring because it introduces the job of â€Å" force drop-out † at structural resonances. To the multi-shaker sine dwell trial, the stage difference of the input signals applied to the Shakerss, it is controlled in order to keep an perpendicularity belongings of shaker-applied forces. The features of some current FRF calculators are presented and it is shown that the instrumental FRF calculator, 3H ( Ta ) , is a noise-free calculator although still apt to bias mistakes. The escape job on auto- and cross-spectra emerges during the processing of finite record information and, as a consequence, it is hard to stipulate which FRF calculator will bring fo rth the ‘best ‘ estimation of a FRF ( To AND EWINS,1990 ) . The electro-dynamic shaker maps to present a force proportional to the current applied to its voice spiral. These devices are used in such diverse activities as merchandise rating, emphasis showing, squeak-and-rattle testing and average analysis. A surprising sum of information may be extracted from a shaker by utilizing it as a quiver detector, instead than as an exciter. In such an experiment, the electromotive force end product of the voice spiral is monitored while the shaker is caused to vibrate due to transient mechanical input. There are many types of machines designed to intentionally vibrate constructions. They are demoing little, lasting magnet, electrodynamics Shakerss. For this operation we need three stairss. Firstly, some inventiveness is required to bring forth the radial magnetic field moving in a plane normal to the spiral ‘s axis. Second, the spiral must be allowed to travel axially but be restrained from all other gestures. Third, the force provided by the ma chine is relative to the magnetic flux passing through the spiral, to the current flowing through the spiral and to the figure of coil-turns within the flux ( Lang, 1997 ) . We can better the control public presentation by adding an adaptative filter to the 2dof accountant utilizing m-synthesis in the feedback accountant. The uncertainness of the controlled works is taken into history and the adaptative filter based on the H1 filtering job is employed. A robust accountant utilizing an adaptative filter based on the H1 filtering job was used for an electrodynamics shaker control, and excitement experiments were performed to measure the control public presentation. It was assumed that the conventional open-loop method utilizing iterative compensation by insistent excitements could non be employed, and the proposed accountant was consequently designed for this status. Amore robust accountant was developed by adding the adaptative filter from the EBAF method to the 2dof accountant utilizing m-synthesis. ( Uchiyama at el 2009 ) . The construction of an electrodynamics shaker bears some resemblance to a common speaker unit but is more robust. At the bosom of the shaker is a spiral of wire, suspended in a fixed radial magnetic field. When a current is passed through this spiral, an axial force is produced in proportion to the current. The public presentation envelope of an electrodynamics shaker system is strongly influenced by three manners of quiver and the voltage/current capacities of the power amplifier that drives it. Other confining factors are the intentional shot of the traveling mass and the entire mass of the shaker, the thermic power bound of the spiral and the emphasis safety factor of the armature. Power analysis discloses the electrodynamics shaker to be a thermodynamically inefficient machine. As machine warhead is increased, efficiency lessenings while line power factor improves. The research lab thermic burden is about independent of trial point weight. Power analysis discloses that an stray s ystem can be designed to better mechanical bringing in the low frequence part. ( George Fox Lang and Dave Snyder 2001 ) . The controlled shaker has proven really cost effectual for more everyday merchandise making and seismal rating work. Modern DSP shaker accountants now do an outstanding occupation of reproducing coveted transient pulsations safely, faithfully and repetition competently. However, a shaker presents some physical barriers to floor proving. These devices have a limited scope of supplanting shot and exhibit speed bounds that can non be exceeded without loss of control. ( George Fox Lang 2003 ) . To the magnitude ordinance control, the amplitude of the sinusoidal acceleration is accurately controlled to be equal to the puting value. For a switching inverter-fed electrodynamics shaker system, in add-on to holding low deformation driven power, the decrease of unsought harmonic quiver caused by harmonic current and the imperfect shaker tabular array construction is besides really of import. Accurate acceleration control of an electrodynamics shaker fed by an inverter is really hard to accomplish, owing to tinstone-sinusoidal armature excitement power beginning ( Thin-Huo Chen at el 1999 ) . Terfenol -D: To cipher the opposite of a theoretical account for the hysteretic stuff Terfenol-D we used magnetostriction theoretical account, as portion of a full control constellation for Terfenol-D actuators. This opposite is based on a magnetostriction theoretical account that has been shown to qualify the behaviour of Terfenol-D good. Initially unbounded, roll uping mistakes in the opposite are analyzed and a method to jump the mistake for periodic input. The bimodal magnetostriction opposite is able to invert the strain behaviour of Terfenol-D to within a low, bounded mistake. The Terfenol-D theoretical account and opposite are for quasi-static applications and do non pattern temperature dependent behavior ( Ann Reimers and Edward Della Torre, 2000 ) . Calculation of the work done in the latter instance indicates an internal emphasis degree in the Terfenot-D of about 6.4 MPa. For AC operation sinusoidal extremum to top out currents of 28 As generate a Nett force of about 9 kN, over and above any applied prestress, which decreases by 10 % at frequences up to 400 Hz. Higher frequence constituents merely appear at really, high thrust degrees.Properties:Optimization of the Terfenol-D end product, commensurate with its eventual application and accomplish the greatest supplantings or forces. Minimization of the thrust current demands and thereby cut down losingss due to heating in the field spirals. Realization of the full end product power on the scope DC to 300 Hz. Production of motions of ~0.5 millimeter. Coevals of forces -10 kN. The design and operation of the appropriate power amplifiers. It is proposed that with farther development the actuator will run in concurrence with a hydraulic system and closed cringle control implemented to accomplish pre-selected actuator end product from the combined hydraulic and magnetostrictive forces ( Aston at el 1997 ) . Applications utilizing the elephantine magnetostrictive stuff TERFENOL-D are traveling into volume production as more design and application applied scientists realize the potency of the stuff. The execution of these procedures has increased the scope of available sizes and forms of TERFENOL-D, improved the magnetostrictive public presentation of larger diameter stuff ( & gt ; 25 random-access memory ) and increased the repeatability of magnetostrictive public presentation in the finished transducer elements. Giant magnetostrictive engineering continues to progress, with important work go oning in the transportation of the engineering from the research lab and into the commercial universe. New treating methods are demoing promise for the production of high volume, cost effectual transducer elements, by both directional hardening or pulverization metallurgy attacks. Work remains in the countries of procedure polish to accomplish tighter control of public presentation fluctuations and in stuffs word picture for the now available big diameter drivers ( Jonathan at el 1997 ) . TERFENOL-D is a close individual crystal metal metal, which converts electrical power to mechanical power, and frailty versa. TERFENOL-D is â€Å" magnetostrictive, † intending it changes form in a magnetic field. TERFENOL-D has a greater form alteration, or strain, than other common transducer stuffs, such as piezoceramics ornickel alloys. This means acousticdevices driven by TERFENOL-Dhave greater power, and actuators have more displacement and moreforce. Like other magnetostrictivealloys, TERFENOL-D does notchange with clip or figure of rhythms.What is Magnetostriction?Magnetostriction is the belongings that causes certain ferromagnetic stuffs to alter form in a magnetic field. TERFENOL-D is said to bring forth â€Å" elephantine † magnetostriction, strain greater than any other commercially available smart stuff. Magnetic spheres in the crystal rotate when a magnetic field is applied, supplying relative, positive and quotable enlargement in Microseconds.TERFENOL-D Property:aˆ? High strain aˆ? High force aˆ? Wide bandwidth aˆ? High reliability/unlimited rhythm life aˆ? Wide temperature scope aˆ? Microsecond response clip Mentions: 5. Amin A. Mokbela, ,T.M.A. Maksoudb, 2000, Monitoring of the status of diamond crunching wheels utilizing acoustic emanation technique, Journal of Materials Processing Technology 101,292-297, a Mechanical Engineering Department, Faculty of Engineering, Sana'a University, San'a, Yemen b School of Design and Advanced Technology, University of Glamorgan, Pontypridd, CF 371DL, Wales, UK, Elsevier Science S.A. 6. Brinksmeier E. ( I ) , Heinzel.C, Wittmann.M ( 1999 ) , Friction, Cooling and Lubrication in Grinding, Bremen University, Division of Production Technology and IWT Bremen, Department of Manufacturing Technologies, Bremen, Germany, Keynote Papers. 7. Brinksmeier, E. , 1991, ProzeB- und Werkstuckqualitlt in der Feinbearbeitung, Habilitationsschriff Universitat Hannover. VDI-Verlag, Reihe 2, Nr. 234. 8. Begelinger. A, A.W.J. Gee de,1976 † ASME Journal of Lubrication Technology 98 † 575. Tabor.B.J â€Å" ASME Journal of Lubrication Technology 103 † ( 1981 ) 497.Y.B. Zhang, Industrial Lubrication and Tribology 2005, 57, 224. Zaretsky.E.V, ( 1990 ) Liquid lubrication in infinite National Aeronautics and Space Administration, Lewis Research Canter, Cleveland, Ohio 44135, USA Butterworth- Heinemann Ltd. Klocke.F, Eisenblaetter.G, 1997, Dry film editing, CIRP Ann. Manuf. Technol. 46 ( 2 ) 519 -526. ZhangY.B, 2005, Industrial Lubrication and Tribology 57, 224. T. Tawakoli a, M.J.Hadada, B, M.H.Sadeghi B, ( 2010 ) , Influence of oil mist parametric quantities on minimal measure lubrication – MQL crunching procedure, International Journal of Machine Tools & A ; Manufacture 50 521-531, Institute of Grindingand Precision Technology ( KSF ) , Furtwangen University, 78054VS Schwenningen, Germany B ) CAD/CAMLaboratory, ManufacturingEngineeringDivision, SchoolofEngineering, TarbiatModaresUniversity, Tehran, Iran, Elsevier Ltd. All rights reserved. Toshiyuki Obikawaa, Yasuhiro Kamataa, Jun Shinozuka ( 2006 ) , High-speed rifling with using MQL, International Journal of Machine Tools & A ; Manufacture 46 ( 2006 ) 1854-1861, ( a ) Department of Mechanical and Control Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan ( B ) Department of Mechanical Engineering, Ibaraki University, 4-12-1 Naka-narusawa-cho, Hitachi, Ibaraki 316-8511, Japan, Elsevier Ltd. All rights reserved. Taskesen.A and Ercan.Y,2003, Theoretical analysis and anticipation of machine tool stableness and yak quiver during extraneous metal cutting with a one grade of freedom theoretical account, 11th Machine Theory Symposium, Gazi.University. Malkin.S ( 1984 ) , Crunching of metals: theory and applications, Journal of Applied Metalworking 95-109. Mohammed Alfares and AbdallahElsharkawy ( 2000 ) , Effect of crunching forces on the quiver of crunching machine spindle system, International Journal of Machine Tools & A ; Manufacture 40 2003-2030, Department of Mechanical and Industrial Engineering, College of Engineering and Petroleum, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait. 2. T.W. Hwang a, C.J. Evans a, S. Malkin ( 1999 ) â€Å" Size consequence for specific energy in Crunching of Si nitride † , a Manufacturing Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USAb Department of Mechanical and Industrial Engineering, University of Massachusetts, Amherst, MA 01003-2210, USA, 225-229 862-867Published by Elsevier Science S.A. Tonshoff H-K, Peters J, Inasaki I, Paul T ( 1992 ) â€Å" Modelling and Simulation ofGrinding Procedures † .Annals of the CIRP 41/2:677-688. Malkin S, Hwang T-W ( 1996 ) â€Å" Crunching Mechanisms for Ceramics † . Annalss of theCIRP 45/2:569-580. Rena.Y.H, Zhang.B ( 2 ) a, B, * , Zhou.Z.H, aa ( 2009 ) Hunan University, Hunan, China B University of Connecticut, CT, USA † CIRP Annals – Fabrication Technology † 58 Specific energy in crunching of tungsten carbides of assorted grain sizes ( 299-302 ) . PatnaikDurgumahanti. U.S, VijayenderSingh, VenkateswaraRao.P, ( 2010 ) , â€Å" A New ModelforGrindingForcePredictionandAnalysisInternationalJournalofMachineTools & A ; Manufacture5231_240, DepartmentofMechanicalEngineering, IndianInstituteofTechnologyDelhi, NewDelhi110016, India, ElsevierLtd. JinyuanTanga, Jin Dua, Yongping Chena ( 2009 ) , Modeling and experimental survey of crunching forces in surface grinding, diary of stuffs treating engineering 2 0 9 2847-2854 Key Laboratory of Modern Complex Equipment Design and Extreme Manufacturing ( Central South University ) , Ministry of Education, Changsha, Hunan 410083, China School of Mechanical and Electrical Engineering, Central South University, Changsha, Hunan 410083, China. Elsevier B.V. F. Claeyssen, N. Lhermet, T. Maillard,2002, † MAGNETOSTRICTIVE ACTUATORS COMPARED TO PIEZOELECTRIC ACTUATORS † , Cedrat Technologies S.A. – 10 chemin de PreCarre , ZIRST – 38240 Meylan -France. Y.-H. LIN 1997 Journal of Sound and quiver 199, 697-700. Remarks on Vibration analysis of beams traversed by unvarying partly distributed traveling multitudes. M. ABDEL-ROHMAN and H. H. E. LEIPHOLZ 1980 Automatic Active Control of Structures. Amsterdam: North-Holland Publishing Co. & A ; Sm Publications. H.-C. KWON, M.-C. KIM and I.-W. LEE 1998 Vibration control of Bridgess under traveling tonss. Computers and Structures 66, 473-480. S. DEVASIA, T.MERESSI, B. PADEN and E. BAYO 1993 Piezoelectric actuator dsign for quiver suppression: arrangement and size. Journal of Guidance, Control and Dynamics 16, 859-864. Y.-G. SUNG, 2001, MODELLING AND CONTROL WITH PIEZOACTUATORS FOR A SIMPLY SUPPORTED BEAM UNDER A MOVING MASS, Journal of Sound and quiver 250 ( 4 ) , 617-626, Department of Mechanical Engineering, Chosun ; niversity, 375 Seosuk-dong, Dong-gu, Kwanju, Elsevier Science Ltd. Giovanni Biancuzzia* , Thomas Lemkea, Peter Woiasa, Olaf Ruthmannb, Hans J. Schragb, Bernhard Vodermayerc, Thomas Schmidc, Frank Goldschmidtboeinga 2009, † Performance of piezoelectric micro pumps actuated by charge recovery, Procedia Chemistry 1 698-701, aDepartment of Microsystems Engineering – IMTEK, University of Freiburg, Freiburg imBreisgau, Germany bDepartment of General and Visceral Surgery, University Hospital Freiburg, Freiburg imBreisgau, Germany cInstitute for Robotics and Mechatronics, German Aerospace Center, Oberpfaffenhofen, Germany NIU Jun-chuan, ZHAO Guo-qun, HU Xia-xia ( 2005 ) , Active control of structural quiver by piezoelectric stack actuators, Niu 974 et Al. J Zhejiang Univ SCI 6A ( 9 ) :974-979, 1School of Mechanical Engineering, Shandong University, Jinan 250061, China ) ( 2School of Material Science and Engineering, Shandong University, Jinan 250061, China ) ( 3Collegeof Mechanical and Electrical Engineering, Zhejiang University of Technology, Hangzhou 310014, China ) , supported by the Postdoctoral Science Foundation of China. S.-B. Choia and M.S. Hanb ( 2004 ) Vibration control of a rotating cantilevered beam utilizing piezoactuators: experimental work, Journal of Sound and Vibration 277 436-442, a Department of Mechanical Engineering, Smart Structures and Systems Laboratory, Inha University,253 Yong Hyun-Dong, Nam-Gu, Incheon 402-751, South Korea Faculty of Mechanical and Automotive Engneering, Keimyung University, Deagu 704-701, South Korea, Elsevier Ltd. W. M. To AND D. J. EWINS, 1990, A CLOSED-LOOP MODEL FOR SINGLE/MULTI-SHAKER MODAL TESTINGMechanical Systems and Signal Processing ( 1991 ) 5 ( 4 ) , 305-316, Department of Mechanical Engineering, Imperial College of Science, Technology and Medicine, London, U.K.Academic Press Limited. George Fox Lang, Data Physics Corporation, San Jose, California ( 1997 ) , Electrodynamic Shaker Fundamentals, SOUND AND VIBRATION Y.Uchiyama, M.Mukai and M.Fujita, 2009, Robust control of electrodynamic shaker with 2dof control utilizing H1 filter, Journal ofSoundandVibration326 75-87, IMVCORPORATION, Nishiyodogawa-ku, Osaka555-0011, Japan, DepartmentofElectricalandElectronicSystemsEngineering, GraduateSchoolofInformationScienceandElectricalEngineering, KyushuUniversity, Nishi-ku, Fukuoka819-0395, Japan, DepartmentofMechanicalandControlEngineering, TokyoInstituteofTechnology, Meguro-ku, Tokyo152-8550, Japan, ElsevierLtd. George Fox Lang and Dave Snyder, Data Physics Corporation, San Jose, California ( 2001 ) , Understanding the Physics of Electrodynamic Shaker Performance, SOUND AND VIBRATION. George Fox Lang, Associate Editor 2003, Shock'n on Shakers, SOUND AND VIBRATION. Thin-Huo Chen and Chang-Ming Liaw, Member, IEEE ( 1999 ) , Vibration Acceleration Control of an Inverter-Fed Electrodynamic Shaker, IEEE/ASME TRANSACTIONS ON MECHATRONICS, VOL. 4, 60-70, This work was supported by the National Science Council, Publisher Item Identifier. Ann Reimers and Edward Della Torre ( 2000 ) , â€Å" Calculation of opposite of magnetostriction theoretical account for Terfenol-D † , Physica B 275, 75-80, The George Washington University, Institute for Magnetics Research, 20101 Academic Way, Ashburn, VA 20147, USA, Elsevier Science B.V. M.G. Aston, R.D. Greenough B, A.G.I. Jenner B, W.J. Metheringham, K. Prajapati B ( 1997 ) Controlled high power propulsion using Terfenol-D, Journal of Alloys and Compounds 258 97-I00, ~Magnetostrictive Technology Systems Lid, Unit t 7, Newlands House, Newlands Science Park, hzglemire Lane, Hull, HU6 7TQ, UK hDepartment of Applied Physics, The University Of Hull, Cottingham Road, Hull, HU6 7RX, UK, Elsevier Science S.A. Jonathan D. Snodgrass and O.D. John bach mcmasters at EL 1997, Optimized TERFENOL-D fabrication procedures, Journal of Alloys and Compounds 258 24-29, ETREMA Products, Inc. , 2500 N. Loop Drive, Ames, Iowa 50010, USA, Elsevier Science S.A.