Tuesday, May 12, 2020
A Report By Mother Jones Reporter Shane Bauer Essay
A June 2016 report by Mother Jones reporter Shane Bauer, who worked as a prison guard for four months to research his article, says that one fifth of prison inmates have been physically assaulted by another prisoner or a guard. Between 3% and 9% of male inmates say they have been sexually assaulted behind bars suggesting that up to 180,000 current inmates may have been sexually assaulted of which only 8,800 cases have been officially reported. Women, who form 7% of the total prison population, have higher figures for sexual victimization. Some 22% of all cases of inmate-on-inmate and 33% of staff-on-inmate sexual assaults are on women (Bauer, 2016). Until the early 1970s, the sentencing of crime convicts was based on the principle of rehabilitation of juvenile and adult offenders. Legislatures set maximum authorized sentences for various types of crimes and judges decided on the prison term or probation or fines. Correctional officials and parole boards had the powers to reduce the t ime served for good behavior and release prisoners early. In the 1980s and 1990s, the emphasis shifted to deterrence by imposing mandatory minimum sentences for certain types of crime, heavier sentences for habitual offenders and the ââ¬Å"three-strikeâ⬠rule for felony convictions. Public opinion supported these changes in the belief that prison terms were just retribution for crimes and incarceration kept criminals off the streets (Mackenzie, 2001). These changes have led to the USShow MoreRelatedStephen P. Robbins Timothy A. Judge (2011) Organizational Behaviour 15th Edition New Jersey: Prentice Hall393164 Words à |à 1573 PagesEditorial Director: Sally Yagan Director of Editorial Services: Ashley Santora Acquisitions Editor: Brian Mickelson Editorial Project Manager: Sarah Holle Editorial Assistant: Ashlee Bradbury VP Director of Marketing: Patrice Lumumba Jones Senior Marketing Manager: Nikki Ayana Jones Senior Managing Editor: Judy Leale Production Project Manager: B ecca Groves Senior Operations Supervisor: Arnold Vila Operations Specialist: Cathleen Petersen Senior Art Director: Janet Slowik Art Director: Kenny Beck TextRead MoreFundamentals of Hrm263904 Words à |à 1056 PagesLevels What are the skill implications of this vast spread of technology? For one, employeesââ¬â¢ job skill requirements will increase.15 Workers will need the ability to read and comprehend software and hardware manuals, technical journals, and detailed reports. Another implication is that technology tends to level the competitive playing field.16 It provides organizations, no matter their size or market power, with the ability to innovate, bring products to market rapidly, and respond to customer requests
Wednesday, May 6, 2020
Essay about Symbolism Used in The Scarlet Letter - 1070 Words
In Nathaniel Hawthorneââ¬â¢s The Scarlet Letter, symbolsim is constantly present in the actual scarlet letter ââ¬Å"Aâ⬠as it is viewed as a symbol of sin and the gradally changes its meanign, guilt is also a mejore symbol, and Pearlââ¬â¢s role in this novel is symbolic as well. The Scarlet Letter includes many profound and crucial symbols. these devices of symbolism are best portayed in the novel, most noticably through the letter ââ¬Å"Aâ⬠best exemplifies the changes in the symbolic meaning throughout the novel. In the beginning of The Scarlet Letter, the letter is understood as a label of punishment and sin being publicized. Hester Prynne bears the label of ââ¬Å"Aâ⬠signifining adulterer upon her chest. Because of this scorching red color label she becomesâ⬠¦show more contentâ⬠¦As the novel progresses the meaning of the symbolism of the letter ââ¬Å"Aâ⬠starts ti blossom into a new meaning. Toward the climax of the novel Hester Prynneââ¬â ¢s appearance is altered to where she is no longer viewed as a sinner. The meaning on the symbol changes from of the devil to a some what vague symbol, as if it has lost its initial connotation. Society now views her a symbol that differs whom she really is, she is viewed as a strong woman through all the torment that is put in a unfortunate situation. At this point Hester has already learned how to dealt with the burden of the scarlet letter. Withstanding the pressures of society boiling down waiting patiently for Hester Prynne to crack, she does not, she grows into a stronger woman. A woman that has gone through hell and back and continues to thrive in her society even under the circumstances she lives in. The scarlet letter ââ¬Å"Aâ⬠meaning has changed, ââ¬Å" hatred, by a gradual and quiet process, will even be transformed to love, unless the change be impeded by a continually new irritation of the original feeling of hostilityâ⬠(Hawthorne 147). Slowly Hesterââ¬â ¢s hard feelings toward the letter, and to the situation itself, begins to diminish. However, it isShow MoreRelatedSymbolism In The Scarlet Letter1247 Words à |à 5 PagesSymbolism in The Scarlet Letter Symbolism is simply defined as the use of symbols to represent ideas or qualities. Symbolism is a common occurrence in literary works and many books use symbolism to express mystical ideas, emotions, and states of mind. As in most literary works, symbolism also appears in The Scarlet Letter. There is lots of symbolism used in The Scarlet Letter to convey multiple things and to express many ideas. Symbolism can be found everywhere in The Scarlet Letter and many ofRead MoreThe Scarlet Letter, By Nathaniel Hawthorne919 Words à |à 4 Pageslife has just one meaning. Symbolism occurs in everyday ordinary life. One of the most recognizable stories that contain symbolism in Nathaniel Hawthorneââ¬â¢s ââ¬Å"The Scarlet Letterâ⬠. Symbolism is when an object is used in place of a different object. Nathaniel Hawthorne is one of the most symbolic writers in all of American history. In ââ¬Å"The Scarlet Letterâ⬠, the letter ââ¬Å"Aâ⬠is used to symbolize a variety of d ifferent concepts. The three major symbolistic ideas that the letter ââ¬Å"Aâ⬠represents in NathanielRead MoreThe Role of Color in The Scarlet Letter Essay973 Words à |à 4 PagesThroughout history, colors have been used to symbolize different meanings based on associations with culture, history, politics, and religion. In The Scarlet Letter, the author, Nathaniel Hawthorne uses symbolism through colors such as red, black and white in the form of sunlight, to represent emotions and ideologies of Hester and the people around her. Nathaniel Hawthorne uses the color red significantly throughout The Scarlet Letter to show its importance of symbolism in the emotions of sin and passionRead More Symbols and Symbolism in Nathaniel Hawthornes The Scarlet Letter1178 Words à |à 5 PagesSymbolism à in The Scarlet Letter Nathaniel Hawthorne isnt noted for perfecting any famous literary style, for writing multiple best sellers, or even for contributing largely to classic American literature.à His only real claim to fame is The Scarlet Letter: a novel that was originally only meant to be yet another Hawthorne short story.à Because of this, it actually possesses many short story characteristics.à It is simpler and more complete than his other novels. (James 285)à It also hasRead MoreSymbolism In The Scarlet Letter. Symbolism Is The Use Of1085 Words à |à 5 PagesSymbolism in The Scarlet Letter Symbolism is the use of an object, character, or event to represent something else. Nathaniel Hawthorne, without a doubt, uses symbolism throughout the course of the novel, The Scarlet Letter. The novel takes place in a Puritan community in present-day Boston. Hester Prynne, Arthur Dimmesdale, Roger Chillingworth, and Pearl are the main characters. They all have major roles and without them, the novel would not be the same. Hester Prynne; married to Roger ChillingworthRead MoreABy Major Characters In The Scarlet Letter1202 Words à |à 5 PagesInterpretation of the ââ¬ËAââ¬â¢ by Major Characters in The Scarlet Letter People have different cultures and experiences throughout their lives; therefore, they all have different perspectives of the same object. Various authors use different perspectives of people to make objects mean different based on how people approach it. Not only the readers see the object in different ways, but also the characters in the story. The Scarlet Letter uses various symbolism such as ââ¬ËA , rosebush, the forest and more whichRead MoreSymbolism Of Nathaniel Hawthorne s The Scarlet Letter 1122 Words à |à 5 Pagesdraft Topic: Symbolism of the Scarlet letter ââ¬Å"Aâ⬠In The Scarlet letter the author Nathaniel Hawthorne illustrates the use of symbolism in the book, especially the scarlet letter ââ¬Å"A.â⬠Symbolism is defined as a figure of speech used for an object, or a word to represent something else in literature. The Scarlet letter ââ¬Å"Aâ⬠had a change of meaning throughout the novel. In the inception of the book it is known as a symbol of Adultery. As the book continues the scarlet letter is looked at differentlyRead MoreDifferent Interpretations Of The Scarlet Letter1609 Words à |à 7 PagesDifferent Interpretations of The Scarlet Letter Symbolism is everywhere around us in our daily lives, even if you donââ¬â¢t notice it right away. Traffic signs, company names, and even colors can all be examples of symbolism. Dr. Stephanie Carrezââ¬â¢ article, Symbol and Interpretation, focuses on and interprets the different types of symbolism in Nathaniel Hawthorneââ¬â¢s novel, The Scarlet Letter. Focusing mainly on the characters Hester and Pearl, Carrezââ¬â¢ article brings symbolism to a new light as she interpretsRead MoreSymbolism, Use Of Color, And Themes Of Nathaniel Hawthorne s The Scarlet Letter1657 Words à |à 7 PagesSymbolism, Use of Color, and Themes in The Scarlet Letter The Scarlet Letter is regarded as the first symbolic novel in American Literature for Nathaniel Hawthorne s skillful use of symbolism and allegory. The novel is also said to be the greatest accomplishment of American short story and is viewed as the first American psychological novel, which makes Hawthorne win an incomparable position in American Literature. Hawthorneââ¬â¢s ââ¬Å"unique giftâ⬠for using this kind of skills taps into the roots of manRead MoreSymbolism Of Nathaniel Hawthorne s The Scarlet Letter 1159 Words à |à 5 PagesSymbolism in the Scarlet Letter The Scarlet Letter written by Nathaniel Hawthorne is known to have a lot of symbolism. Symbolism is a way to convey ideas and give a book a deeper meaning to readers. While there are many symbols in the Scarlet Letter, there are a few that stand out more than others. Pearl, Hester, Dimmesdale, and Chillingworth are all main characters that have symbols. Hawthorne symbols are used to help readers relate to the story. In order to really comprehend the book the reader
The Chrysalids A Science Fiction Novel Free Essays
ââ¬Å"Itââ¬â¢s often said that Science Fiction is the literature of change. â⬠(Treitel). When a society is going through a period in which they develop many new technologies, science fiction stories often emerge. We will write a custom essay sample on The Chrysalids: A Science Fiction Novel or any similar topic only for you Order Now The feelings and fears of that society are expressed in science fiction. The Chrysalids, a science fiction novel, incorporates characteristics of its genre by being set in a different world, by relating to current events and by showing how destructive power can be. Setting plays a prominent role in defining a science fiction story. Science fiction texts are often set in the future, in space, on a different world, or in a different universe or dimension. â⬠(ââ¬Å"Definitionâ⬠). John Wyndhamââ¬â¢s novel, The Chrysalids, is set centuries in the future. ââ¬Å"But, Uncle, if we donââ¬â¢t try to be like the Old People and rebuild the things that have been lost, what can we do? â⬠(Wyndham 79). The word science fiction brings to mind futuristic worlds full of whirring machines and shiny metals. This novel takes an alternate approach; it shows a world so devastated by nuclear war that it has actually regressed, and yet it is still a possible future. In addition to being set in the future, this novel shows a changed Earth. ââ¬Å"â⬠¦ An Offense was sometimes quite an impressive occasionâ⬠¦ My fatherâ⬠¦ would call us all together, including everyone who worked on the farm. We would all kneel while he proclaimed our repentance and led prayers for forgiveness. The next morning we would all be up before daylight and gather in the yard. As the sun rose we would sing a hymn while my father ceremonially slaughtered the two-headed calf, four-legged chicken, or whatever kind of Offense it happened to be. â⬠(Wyndham 18). The world John Wyndham has created is so different from the current reality, it is almost a separate entity. In the fictional reality, the people are terrified of anything different from what they perceive to be the norm. They kill, burn or cast out anything considered to be a deviation. This setting allows the writer to explore terrifying concepts with distance while still creating parallels with current societies. Setting is a vital part of any science fiction story. Furthermore, science fiction relates to current events. ââ¬Å"Good [science fiction]â⬠¦ can provide us with fascinating thought experiments to while way the hours, or extrapolate future dystopias from the politics of the present; it can generate visions of tomorrowââ¬â¢s world, or of worlds eons hence; it can warn or it can sootheâ⬠¦ â⬠(Clute 6). The Chrysalids explores the impact of nuclear weapons. ââ¬Å"The whole seaboard is empty ââ¬â black and harsh and empty. The land looks like a huge dese rt of charcoal. Where there are cliffs they are sharp-edged, with nothing to soften them. There are no fish in the sea there, no weed either, not even slime, and when a ship has sailed there the barnacles and the fouling on her bottom drop off, and leave her hull clean. You donââ¬â¢t see any birds. Nothing moves at all, except the waves breaking on the black beaches. â⬠(Wyndham 60). This novel was first published in 1955, shortly after World War II and at a time when many people were protesting the use of nuclear bombs. People saw the destruction these weapons were capable of and they were afraid. The Chrysalids is a response to that fear; it shows one possible future. Propaganda is another issue discussed in The Chrysalids. ââ¬Å"Not ashamed! Not ashamed of producing a mockery of your Maker ââ¬â not ashamed of trying to tempt your own sister into criminal conspiracy! The enemies of God besiege us. They seek to strike at Him through us. Unendingly they work to distort the true image; through our weaker vessels they attempt to defile the race. You have sinned, womanâ⬠¦ You have produced a defilementâ⬠¦ A baby which, if you were to have your way, would grow up to breed, and, breeding, spread pollution until all around us there would be mutants and abominations. â⬠(Wyndham 72). In 1955, the Cold War was in full swing. Spies and secrets abounded while children were told that the other side is evil and propaganda slowly poisoned their minds. Eventually, they believe the lies. Joseph Strorm truly believes what he is saying; he feels that his sister-in-law should kill her newborn child, rather than let it grow and eventually have children of its own. Science fiction often incorporates concerns of the author and the general public at that time. Additionally, science fiction often involves the misuse of power. ââ¬Å"[Science fiction] suggests the possibility of scientific discovery going too far, taking on a God-like power that leads to disaster. â⬠(Quinn) In The Chrysalids there are two examples of destructive power. Firstly, there is nuclear power. ââ¬Å"This is a dreadful country indeedâ⬠¦ There are stretches, miles across, where it looks as if all the ground has been fused into black glass; there is nothing elseâ⬠¦ It goes on and onâ⬠¦ What did they do here? What can they have done to create such a frightful place?â⬠¦ It must be utterly beyond hope, barred to any kind of life for ever and everâ⬠¦ There was the power of gods in the hands of children, we know: but were they mad children, all of them quite mad?â⬠¦ The mountains are cinders and the plains are black glass ââ¬â still, after centuries! â⬠(Wyndham 179). Power is a dangerous thing, as evidenced by the burned mountains and plains of glass discussed in this novel. Power is a popular topic for science fiction stories because so many people crave it, despite its poor history and bleak future. The Chrysalids looks at the consequences of nuclear warfare and the idea that this kind of power is not meant for human hands. The second type of power explored in The Chrysalids, is the power of conformity. ââ¬Å"According to Ethics, mankindâ⬠¦ was in the process of climbing back into grace; we were following a faint and difficult trail which led up to the peaks from which we had fallenâ⬠¦ There was only one true trail, and by following it we should, with Godââ¬â¢s help and in His own good time, regain all that had been lostâ⬠¦ Only the authorities, ecclesiastical and lay, were in a position to judge whether the next step was a rediscovery, and so, safe to take; or whether it deviated from the true re-ascent, and so was sinful. â⬠(Wyndham 40). As a race attempting to rebuild its society, conformity and a deference to authority figures would have been beneficial. However, change is necessary for growth. Having a world full of people like Joseph Strorm, who fear change as a deviation from the true path, will bring about the destruction of that society. In The Chrysalids, authority figures force everyone to conform to their idea of what is right and what is sinful. This kind of power is dangerous and, at the end of book, brings about the death of Joseph Strorm and many like him. Destructive power is a popular theme in science fiction novels. Due to its setting, relation to reality and demonstration of various destructive powers, The Chrysalids is clearly a science fiction novel. Science fiction can be many things; it can be educational, providing lessons and morals that apply to real life scenarios; it can be a warning, showing the readers a possible or a probable fate; or it can simply take the reader on a fantastic journey, flying through space and time. Above all science fiction is about change. ââ¬Å"Life is change, that is how it differs from the rocks, change is its very nature. â⬠(Wyndham 182). The Chrysalids, and science fiction in general, teaches that nothing in life is static. How to cite The Chrysalids: A Science Fiction Novel, Papers
Pro Skills Business Analysis
Question: Your Case Study organizations CEO says they would like to outsource their ICT and asks to you to make it happen; this includes any existing systems as well as new systems. You will use the information gathered in the previous assignments and will need to do your own research on outsourcing. Answer: This particular integration is evident in various center of Accenture at varied destinations of the company. The identification of the resources needs to be identified before inputting them into the ERP system. The scope of expansion is considered on the basis of requirements of the present outsourcing operations. The ERP system not only monitors the daily changes in the in the several departments within the company but it also makes the outsourcing of the ICT simple to operate (Ewerstein and Jansson 2014). Introduction The process of outsourcing, deals with transfer of business services from an external source, this is done in order to improve the existing service and expansion of the business processes. Outsourcing is often done in order to incorporate new innovation, knowledge and reduction in the cost associated with management. The conceptualization of the technology emerging in the newer enterprises is significant in both production and service related organizations. The sourcing is done by an external supplier and it is not carried out internally by the management of the company. The initiation of the ICT process was evident from countries like India, China, Cyrus, Malta and UK. It has been observed that there is a considerable amount of cross bordering in the aforementioned regions. (Sebesta 2013). The implementation of the ICT process has been studied through Accenture PLC, headquartered in Dublin, Ireland. The company is known for consecutive achievement in the outsourcing operations in the 2016 Global outsourcing list published by the International Association of the outsourcing Professionals (IAOP). The list shows the top hundred companies globally for their outsourcing operations (Newsroom.accenture.com. 2016). The implementation of ICT at Accenture has ensured that the company can optimize the efficiency in e-healthcare services by providing the solutions related to global warming and various types of social issues which are directly affecting the economic prosperity of a nation. It has enabled the company to achieve several objectives related to innovations and ensured several types of cost effective techniques in the business process. The report given by SMARTer 2030, have suggested that smart grids, outsourcing of the ICT devices, network sensors have significantly contributed to these sectors of the company. The ICT technology has shown the potential to reduce the carbon emissions by 20 percent in the e-healthcare services. (Newsroom.accenture.com. 2016). Objectives of ICT outsourcing The main service of the company is related to provide business, operations and strategies related to operations. The company aims to improve the consulting services by outsourcing of the ICT technology. It is responsible for outsourcing of digital marketing, mobility services and analytics services. The main objective of the outsourcing activity of the company is to reduce the carbon emissions and add to the environmental performance in the various types of services in the related industry (Jack and Igwe 2014). The main advantages of implementing of ICT in Accenture are discussed below as follows: The outsourcing of the ICT processes in the company has assured the company to achieve the reduction in the CO2 emissions by 2030. The technology has the potential to reduce global emission footprint to decrease the global emissions by 1.97%. The impact of the implementation has laid an augmented focus on the eight sectors of the global economy particularly in energy, food, health, logistics, building and learning of newer methodologies for the outsourcing operations. The SMART2030 report has shown a substantial contribution of ICT in the global emissions between ten years of time span in a conference held at Paris. The carbon footprint report based on the usage of resources by electricity, office facilities has been brought down by more than 47 percent. This reduction is equivalent to availing of electricity facilities by more than 350000 consumers of electricity at North America. (Accenture.com. 2016) The cons of implementation of implementation of ICT technology has been discussed below as follows: The implementation process has faced several challenges due to the changing market scenario at global level. Due to this it is becoming a challenge for the companies like Accenture to trace the external suppliers who are related to provide ICT service. The adoption of various types of ICT service and adoption of techniques such as network sensors, smart grids and mobile networks is considered as an expensive measure and the up gradation process can be time taking process. The restrictions in the usage of internet in certain countries have led to the limited usage of ICT. Due to the Government policies in various countries the internet has limited accessibility and this is a major drawback in implementation of the ICT process (Talebian et al. 2014). With the emerging threats from the potential hackers and fire wall breakers the Internet technology is on the verge of being exposed to greater data piracy and theft. In order to ensure continuous flow of data it is essential to have a proper interlinking of the service through internet (Lapo 2015). Offshore Multi sourcing The offshore multi sourcing is often referred to as hub and spoke model. This method of off shoring reduces the power which a single monopoly supplier should have. This will also enhance the company in achieving the best strategy. This particular model will ensure the company in taking a more risk aversive strategy and mitigate the various uncertainties involved in the outsourcing process. This will also give the company an opportunity to manage the resourcing on internal basis. The appropriate time for multi sourcing is dependent on the maturity of a particular organization. This will enable Accenture to get acquainted to the newer processes and also provide an opportunity to renegotiate with contracts at a later date. As the outsourcing of the business process is very large at Accenture this particular model is ideal for such an organization. This is ideal for flexible business needs and suiting according to job needs of the company. The complexity involved in the process calls for superior management of the available talent to oversee relationship with many vendors and efficient execution of the same. Figure 1: Business Network Model for hub and spoke (Source: Liu et al.2012) The main objective of the hub and spoke model is to increase the present operations of the company. The typical development is associated to the core company. This process may be achieved through strategic exploitation of the assets. In order to efficiently implement this model the strategic alliances needs to be integrated with different competencies. The technological combinations need to be properly merged with outsourced destination for the proper achievement of the business opportunities (Lee et al. 2014). Build operate and transfer Model (BOT) Accenture PLC can adopt the outsourcing model as per build operate and transfer model. In this model the private entities of the company can look to hire the outsourcing facility from the third party agencies. The principle behind the model is offshore partner and engaging in outsourcing operations was based on the in-house effort. The build operate and transfer model is based on the above discussed three principles: Build: This particular sector deals with the identification of the client requirements and making an effort to make an establishment in the host country. This particular phase is involved with tracking of the legal issues, permits, providing administrative services, supplies to office. Operational: The operational phase deals the contribution of the offshore suppliers in the outsourcing of the ICT services. This will ensure that the clients will be able to provide an augmented effort in the time for management and contribute more time for the business rather than giving time for solving of the operational issues existing in the organization (Khanzadi et al. 2012). Transfer: The transfer phase gives an option to the outsourcing activities which deals with the acquisition of the entire business after the operations of the organization have been established for a certain period of time. Figure 2: Build Operate Transfer Model (Source: Nextgentechinc.com. 2016) The model is also ideal in providing advanced customer service at a lower cost, ownership and risk. For the purpose of averting the risk associated with the venture, the company can look forward to invest in the main functional areas of the business (Jadhav and Attar 2014). Process flow model Scope of improvement in ICT outsourcing The scope of has been seen with the integration of the core functional areas with the business enterprise resources planning. The ERP system used at Accenture is SAP solutions. The outsourcing activities related to purchasing operation, sales, distribution and financial factors related with the service are linked online with ERP system. The ERP takes into account the relative changes in the purchasing activities of the organization and the changes in the various processes within the organization are updated real time with the help of ERP system. The most effective development from the integration of the core functional activities of the company for the various types of facilities which are outsourced is directly in line with opportunities for the improvement in the varied solution of the company. The major integration has been seen mainly in the areas related to finance and purchase operation which are related to the purchase of the ICT equipments (Chan 2013). Request for information (RFI) In order to purchase various equipment and hardware for the purpose of development of Internet communications and technology, the subcontractors need to be managed efficiently in the following ways: The standard template for RFI should be used by the associated subcontractors and the consultants need to place their requests and minimize the import to a single problem. It needs to be ensured that the RFIs are delivered according to the time specified in the contract. The consultants working in the team of Accenture should attach their copy of RFI, which clearly states about the specifications, videos or models which can assess the solution of the problems that are arising as a result of conflict in the request for information (Wright et al. 2016). The project wide register is used to keep track of the RFI with the help of an identification number, date of response and date of creation of the entry. The next steps in the process of request for information involves delivery of the receipt to the appropriate team members as specified in the contract and ensure that an entry has been created for record in the project wide register. The response return process of the review should be dependent on the accuracy and appropriateness thereby ensuring the impact of same on financial project budget and project schedule. The updating of the RFI status is a critical step and it should be only performed after consulting with the team and notifying them about the changes that are being made in the request for information. (Higgins et al. 2012). When the requirements are met the register needs to be marked as closed out, in situation where the requirements are not made according to the specifications it needs to be marked as outside concern for the resolution purpose of the historical reporting (DATE 2012). Evaluation of the methodology based on KPI and SLAs Some of the important key performance indicators and service level agreements which are expected from an outsourcing company like Accenture PLC are mentioned below as follows: Key performance indicators The main concern for the outsourcing agency should ensure utmost maintenance of the quality aspect. It has to be ensured that testing cost is lower than the total project cost. The company to carefully assess the difference in the progress involved of the planned activities and the actual outcomes. The regression test should be based on quantitative execution and cases should be updated according to the release project (Flipse et al. 2013). Service level agreements The company needs to make sure that the services related to purchasing and implementation of the ICT technology in outsourcing is within the specified budget. The efficiency of the design should be tested by the designated team Regression test should be performed on the basis of automated libraries The company needs to make sure that the parameter selected for SLAs are accurate (Gorla and Somers 2014). Report to the CEO The improvement process at Accenture should focus on the benefits it can gain by contributing to the society. The company needs to make tie-ups several companies which can provide efficient technological solutions for improving the overall communication process. The several outsourcing operations will lead to sourcing of more manpower at cheaper cost. This can be achieved by operating in countries where the labor cost is significantly low. In order to enhance the updating process of information the company may consider the restructuring of the ERP system and customizing it according to the requirements of the company. The facilitation of outsourcing services in various areas where the economy is low can lead to a significant growth in the economy and improve the gross domestic product of the nation. The advertising process of RFI should be designed in such a manner that it is able to get attention of vendors for the purpose of outsourcing services and limiting of the selection window for best suppliers available for outsourcing services. The question and method of RFI should involve the participation of individuals related to various professions. For example the process of RFI needs to be advertised in a different way to the trainees of the company than to the experienced employees of the organization (Montenegro and Flores 2015). List of the journal of ICT activities Reference No. Date of entry Activity Name Description Planned Action Status 01 18 .06.2016 Outsourcing model Preparation of multisource hub and spoke model and build operate transfer model Selection of multisource hub and spoke model Under process 02 20.06.2016 RFI model of process flow Model showing the placement of orders on the basis of responses by clients Selection of request for information process model Closed 03 22.06.2016 Evaluation of methodology Listing of key performance indicators Selection of suitable KPI Closed 04 23.06.2016 Evaluation of methodology Listing of service level agreements Selection of suitable SLA Open 05 24.06.2016 Criteria for sourcing Selection of vendor Selection based on multiple sourcing Open 06 25.06.2016 Selection of ERP SAP solutions Selection for improving the online integration of the outsourcing activities. Closed Conclusion The extensive analysis of the report shows that the company needs to upgrade itself according to the changing requirements of the market. It should also ensure that the outsourcing process is able to increase the flow of information in a cost-effective way. In order to further improve the viability of ICT the company needs to take into consideration the expansion of this process in various sectors related to service industry. The key points mentioned under request for information clearly states that advertising and identification for selecting supply and capability of individual suppliers engaged in nicety operations. The general register is used to demonstrate the action plan prepared by the company on a specific date. It shows the scheduled for status of the formulated action plans. Reference List Accenture.com. (2016). Environmental Strategy - Corporate Citizenship - Accenture. Chan, E., 2013. Australian quantity surveyors utilize ICT and ERP system improving efficiency.Engineering management reviews,2(4), pp.103-114. DATE, S., 2012. Request for Information. Work, 501, p.65076. Flipse, S.M., Van Der Sanden, M.C., Van Der Velden, T., Fortuin, F.T., Omta, S.O. and Osseweijer, P., 2013. Identifying key performance indicators in food technology contract RD. Journal of Engineering and Technology Management, 30(1), pp.72-94. Gorla, N. and Somers, T.M., 2014. The impact of IT outsourcing on information systems success. Information Management, 51(3), pp.320-335. Higgins Jr, D., Fryer, S., Stratton, R., Simpson, D. and Reginato, J., 2012. Using the forward thinking index to reduce delays related to request for information process. In Proc., 20th Conf. of the Int. Group for Lean Construction (IGLC 20), Lean Construction Institute, Arlington, VA (pp. 1-10). Jack, I. and Igwe, L.E.B., 2014. Extent of achievement of the objectives of ICT application in the accreditation of university programmes. Journal of Technology and Education in Nigeria, 17(1), pp.53-58. Jadhav, V.S. and Attar, A.R.C., 2014. Economical Evaluation of Build-Operate-Transfer Project, A Case Study. Jensen, P.D.. and Petersen, B., 2013. Build-operate-transfer Outsourcing Contracts in ServicesBoon or Bane to Emerging Market Vendor Firms?. Journal of International Management, 19(3), pp.220-231. Khanzadi, M., Nasirzadeh, F. and Alipour, M., 2012. Integrating system dynamics and fuzzy logic modeling to determine concession period in BOT projects. Automation in construction, 22, pp.368-376. Lapo, L.V., 2015. The challenge of benchmarking health systems: is ICT innovation capacity more systemic than organizational dependent?. Israel journal of health policy research, 4(1), p.1. Lee, S.Y., Yoo, K.E. and Park, Y., 2014. A continuous connectivity model for evaluation of hub-and-spoke operations. Transportmetrica A: Transport Science, 10(10), pp.894-916. Liu, S., Kasturiratne, D. and Moizer, J., 2012. A hub-and-spoke model for multi-dimensional integration of green marketing and sustainable supply chain management. Industrial Marketing Management, 41(4), pp.581-588. Montenegro, C.W. and Flores, D.A., 2015, December. An integrated model for ICT Governance and Management applied to the Council for Evaluation, Accreditation and Quality Assurance of Higher Education Institutions in Ecuador (CEAACES). In Computing, Communication and Security (ICCCS), 2015 International Conference on (pp. 1-9). IEEE.
Friday, May 1, 2020
Strategies of Research in the Accounting Setting and Practices
Question: Discuss about the Strategies of Research in the Accounting Setting and Practices. Answer: Introduction Generally, this research paper is divided into four major parts or questions in order to fulfill the aims and objectives of the study. For case, the first part is about research plan for the research that describes and analyzes various concepts and principles and applications of research that could be used in the accounting. Moreover, the second part of the study would address and analyze the key differences among the Quantitative and Qualitative Research Designs and their used. The next part of the study is suggests that how the Explanatory Sequential Mixed Methods are different as compare to Exploratory Sequential Mixed Methods in the research. Finally, this research paper analyzes and evaluates the major factors or forces that may affect the successful implementation of managementaccounting systems in small and medium enterprises (SMEs). Research Plan for the Research The Objective of the Research: Based on the given scenario, it is analyzed that, the main objective/purpose of conducting the research is to find and access the views and opinion of the company staff about the use of new system within the company. Moreover, to provide specific suggestions and recommendation in order to bring improvement within the current new system to overcome future challenges and issues is also the key aim of the research (Punch, 2013). Use of Qualitative Approach: Generally, a qualitative research approach would be used in this research in order to effectively and properly address the research questions and solve the research problems in an effective and proper manner. In addition to this, qualitative research approach would be used because it is most appropriate technique to collect qualitative information about the research topic, research questions and attain the research outcomes. For example, qualitative research will also offer in depth information about the research problem and help in addressing the research questions properly (Ng, Lingard, and Kennedy, 2013). In the same way, by using qualitative research method, information and data can be collected easily that is essential to address the research questions. Qualitative research method is also allows the researcher to collect subjective information and explore new area of research. For case, with the help of qualitative research approach, the researcher c an address and solve the complex research questions that can only be possible with qualitative research. On the other hand, in this study, the researcher would use qualitative research in order to collect detailed information about the opinion and attitude of staff regarding the use of new system (Taylor, Bogdan, and DeVault, 2015). The population Participants: In the study, the staff of the accounting firm and business partners are the population in the study which the employee or staff would be the main participant in this research because they are using new system in the company. Participants would play a lot of significant role in the overall success of the research because they will help in solving the research question and addressing the research problem effectively (Gerrish, and Lacey, 2010). Determination of Sample Size: In this research study, sample size would be determined by considering a number of observations and replicates. Moreover, the researcher would use and determine sample size in this study on the basis of data collection. At the same time, it is also important to know that, in this research study, the researcher would adopt various specific and scientific methods to determine the sample size from the study. For example, the researcher can use own experience and targeting the population of the study to determine the sample size in effective and proper manner (Mertens, 2014). How the sample of participants will be selected from the population: In this study, the researcher would adopt and use various techniques and method of sampling in order to select the sample of participants from the population. For example, simple random sampling, Systematic sampling, stratified sampling, clustered sampling, convenience sampling, Quota sampling etc are the most common and valuable sampling techniques that can be used as per the nature of study in order to select the sample from the population. This sampling method is more valuable in the research that allows the researchers to infer important data and information about a population. As this research is qualitative research, so the research would use simple random sampling method to select the sample (O'Leary, 2013). Data Collection from Participants: In this research study, data would be collected by using qualitative method of data collection. In addition to this, to collect the information from the participants of the study, the researcher would prepare and send a set of open and close ended questionnaire to the participants to gather the data and information about the research study. On the other hand, Surveys, and Interviews are other significant methods of collecting qualitative information from the participants. Hence, the research can conduct interviews and survey to gather the qualitative information to solve the research questions and address the research problem effectively (Mackey, and Gass, 2015). Example of the Questions: The following are the key questions that will be posed to participants: 1. How the new system helped you to increase your work productivity and skills? 2. What are the major benefits and advantages gained by you by using new system in the company? What are the key strategies or methods you would propose in order to bring improvements within the new systems? Steps to analyze the collected Data: The following are the major steps that would be used to analyze the collected data such as: Defining Questions Organizing information Setting of Clear Measurement Priorities Collecting Data (Creswell, 2013). Analyzing qualitative Data Integrate the information Interpreting Results Limitations: This research has not wider scope for the further research because lack of appropriate research methods and techniques. Moreover, the research does not have clear research objectives, questions, and methods that is main limitation of this study. There is also no link among the research questions and research problem that is other limitations of this study (Baskerville, and Wood-Harper, A2016). Quantitative and Qualitative Research Designs The questions used in interviews are constructed differently in quantitative compared to qualitative research designs. For example, in the quantitative research design, interview questions are design to generate numerical data or information that is transferred into tables, charts and statics. But, in the Qualitative research design, interview questions are design to understand the motivation, reasons, and understanding. Moreover, when a research uses quantitative method to create interview questions, he or she use measurable data to formulate facts and uncover patterns in research (Smyth, 2016). But, Qualitative method is used to collect the quality data from the interview. Along with this, it is also important to know that, in the qualitative method, interview questions are develop by using various methods techniques such as: individual interviews, focus groups, participation/observations etc. In contrast, when interview questions are developed as per the quantitative method, the researcher uses different methods including face-to-face interviews, online polls, paper surveys, kiosk surveys, longitudinal studies, telephone interviews, online polls, website interceptors etc. Hence, it can be said that, questions used in interviews are constructed differently in quantitative compared to qualitative research designs (Guercini, 2014). Distinguish Between Explanatory Sequential Mixed Methods and Exploratory Sequential Mixed Methods There are several differences can be found among the Explanatory Sequential and Exploratory Sequential mixed method techniques of research. For example, Explanatory Sequential Mixed Methods is use to analyze and collect the quantitative data with the help of qualitative analysis. But, Exploratory Sequential Mixed Methods mainly is utilized by the researcher to collect the qualitative data (Thomas, Nelson and Silverman, 2011). On the other hand, Explanatory Sequential method firstly focuses on gathering quantitative information then it collects qualitative in order to investigate the quantitative results. In the same way, it generates quantitative results effectively. In contrast, in using of Exploratory Sequential method, the researcher first gather qualitative information and then collect quantitative data. So, it produces quantitative information for the researcher (Vaishnavi, and Kuechler, 2015). In addition to this, it should also be noted down that, each types of research mixed methods design are used in the research to conduct the research. Both are appropriate for the research but use for the different purpose. For example, Explanatory Sequential Mixed Methods is most appropriate when the researcher wants to collect qualitative results to explain and interpreting the finding of a quantitative study. At the same time, Exploratory Sequential mixed method is appropriate when the researcher try to develop and test a new instrument in the research study (Tran, 2016). Computerized Information Processing System It is analyzed that, Simples Solution is a consulting company that helps its client organizations in improving internal communications. Moreover, it is decided by the management of the company that, Simples Solution would adopt computerized information processing system in run the business operations and functions accurately, smoothly and effectively. The new system would provide a lot of benefits to the employees and organizations. For case, the new system would allow the accountants to conduct variousaccounting functions and transactions more innovatively and effectively (Whitbeck, 2011). On the other hand, the functions of the new system would not be limited because it would also help the organizational people to collect significant and meaningful information to make most appropriate decision. In the same way, the new computerized information processing system would improve decision making abilities of the employees in developing client record keeping system. But, there are severa l factors or forces that may contribute or hinder the successful implementation of management accounting systems in small and medium enterprises (SMEs). As an assistant accountant at Simples Solution, I am responsible to make a report on the factors that may affect the success of the new system (Veiga, and Eloff, 2007). It is found that, there would be several types of technological factors that would affect the success of new systems. For example, service quality, system quality and information quality are the major technological factors that may affect the acceptance of new computerized information processing system and increase the performance of the new system within the small and medium company. On the other hand, if the new system would be easy to use, flexible, easy to learning, and responsible, it would improve the organizational productivity, and profitability. In contrast, if the new system would not be flexible and easy, it may affect the success and growth of the company. At the same time, it is analyzed that, computer self-efficacy and user experience are the people oriented factors that may affect the success of new system in the company (Duggan, Johnson, and Grawemeyer, 2012). Apart from this, there may be various organizational factors that would have a direct impact on the successfully implementation of new system. For case, top management support, and end-user training are considered two major factors that could affect the implementation process. It is because the successfully implantations of new system would require proper and specific support from the top management to attain the key objectives. If there would be no support from the higher management of the company, the new system could not be successfully implemented at the company. On the other hand, after the support from top management, a small and medium company would have to provide and conduct the training programs on the new system so that the employees can effectively understand the benefits and advantages of using new systems (Jansen, and Grance, 2011). The cost and time are others factors that may also affect the success of new system. For instance, when the company implements the new system at the workplace, it would require recruiting special and technical staff to effectively execute the new system. So, in recruiting of new staff, the company has to pay them for their services that may increase the costs of the company and affect the profitability of the company. Moreover, Availability of Resources can also create a lot of challenges and affect the success of new systems. For case, if there would be lack of available resources, the company could not successfully execute the new system at the workplace. (Bidgoli, 2006). In addition to this, involvement of the stakeholders, proper training, leadership and management support, available resources, financial support from company, and support from the community etc are the fundamental forces that may affect the successfully implementation of new technology or system at the workplace. For example, all the stakeholders such as: customers, employees, management, investors, community should participate in the new system and provide their suggestion to make it more successful. If there would be no proper support, the company could not be able to implement a new system effectively at the company. It may also affect the results and outcomes in the future. On the other hand, it is also important for a company to provide sufficient resources to their staff, technical teams, and employee so that they could effectively and properly adopt new system at the workplace. In contrast, if a company does not provide required resources, the staff would not be able to adopt new system at the workplace. Hence, there should be proper and sufficient resources in order to execute the new system successfully (Veiga, and Eloff, 2007). Apart from this, it should also be noted down that, in order to make new system more successful, a company should also provide financial assistance to their staff so that can utilize available resource to attain the objectives of new systems. At the same time, it is also important to the company to promote the needs and wants for the new system at the workplace to make technology more successful. In addition to this, it is also found that, for the use and execution of new computerized information processing system, a company would also need to develop innovative, dynamic and specific strategies in order to fulfill the aims and objectives associated with the new technology and systems. Moreover, the employees motivational level should be increased to successfully use the new system at the workplace. Furthermore, a company should also analyze both internal as well as external business environment before implementing any new system. It is because without analyzing the external and inter nal factors, the company could not be success in executing new system in the company. Hence, it can be said that, all these factors would affect the success of new computerized information processing system (Guercini, 2014). Conclusion Overall, it can be concluded that, the concepts, principles, applications of the research plays significant role in the accounting setting and such concepts could improve the accounting and financial performance of the companies. Moreover, it can be said that, both Between Explanatory Sequential Mixed Methods and Exploratory Sequential Mixed Methods are not similar. Quantitative and Qualitative Research Designs are major different methods used in research to attain the research objectives and various differences could be found among these two. Finally, it can be concluded that, organizational, technical and people oriented factors affect the success of new system in a company. References Baskerville, R. L., and Wood-Harper, A. T. (2016). A critical perspective on action research as a method for information systems research. USA: Springer International Publishing. Creswell, J. W. (2013). Research design: Qualitative, quantitative, and mixed methods approaches. UK: Sage publications. Gerrish, K., and Lacey, A. (2010). The research process in nursing. USA: John Wiley Sons. Guercini, S. (2014). New qualitative research methodologies in management. Management Decision, 52(4), pp. 662-674. Mackey, A., and Gass, S. M. (2015). Second language research: Methodology and design. UK: Routledge. Mertens, D. M. (2014). Research and evaluation in education and psychology: Integrating diversity with quantitative, qualitative, and mixed methods. USA: Sage publications. Ng, S., Lingard, L., and Kennedy, T. J. (2013). Qualitative research in medical education: Methodologies and methods. Understanding medical education: evidence, theory and practice, 371-384. O'Leary, Z. (2013). The essential guide to doing your research project. UK: Sage. Punch, K. F. (2013). Introduction to social research: Quantitative and qualitative approaches. UK: Sage. Smyth, M. (2016). Mirka Koro-Ljungberg, Reconceptualizing Qualitative Research: Methodologies without Methodology: (2015). London: Sage. Qualitative Research in Psychology, 1-3. Taylor, S. J., Bogdan, R., and DeVault, M. (2015). Introduction to qualitative research methods: A guidebook and resource. USA: John Wiley Sons. Thomas, J. R., Nelson, J. K., and Silverman, S. J. (2011). Research methods in physical activity. USA: Human Kinetics. Tran, B. (2016). The Nature of Research Methodologies: Terms and Usage within Quantitative. USA: John Wiley Sons Vaishnavi, V. K., and Kuechler, W. (2015). Design science research methods and patterns: innovating information and communication technology. USA: Crc Press. Whitbeck, C. (2011). Ethics in engineering practice and research. USA: Cambridge University Press. Bidgoli, H. (2006). Handbook of Information Security, Threats, Vulnerabilities, Prevention, Detection, and Management. USA: John Wiley Sons. Duggan, G. B., Johnson, H., and Grawemeyer, B. (2012). Rational security: Modelling everyday password use. International journal of human-computer studies, 70(6), 415-431. Jansen, W., and Grance, T. (2011). Guidelines on security and privacy in public cloud computing. NIST special publication, pp. 800, 144. Veiga, A. D., and Eloff, J. H. (2007). An information security governance framework. Information Systems Management, 24(4), pp. 361-372.
Saturday, March 21, 2020
Camless Engine Essay Sample free essay sample
Car makers have recognized the via medias associated with engines that are governed by the rotary motion of a camshaft. This rotary motion. the velocity of which is relative to the engine velocity. determines the timing of the engine valves. For this ground. automotive applied scientists must do a determination early in the design procedure that dictates the public presentation of the car. The engine will either hold powerful public presentation or increased fuel economic system. but with the bing engineering it is hard to accomplish both at the same time. In response to the demands of improved engines. some makers have designed mechanical devices to accomplish some variable valve timing. These devices are basically camshafts with multiple Cam lobes or engines with multiple camshafts. For illustration. the Honda VTEC uses three lobes. low. mid. and high to make a broader power set. This does stand for an increased degree of edification. We will write a custom essay sample on Camless Engine Essay Sample or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page but still limits the engine timing to a few distinct alterations. The construct of variable valve timing has existed for some clip. Unfortunately. the ability to accomplish genuinely variable valve timing has eluded automotive makers. Most variable timing mechanisms were created as tools for the automotive applied scientist. Their usage was limited to the research lab as a agency of proving multiple. ââ¬Å"virtualâ⬠cam profiles. These early Camless engines allowed for the interior decorators to take the best Cam for the engine under examination. but were less than energy efficient. Furthermore. they were one research lab machines and were non capable of being mass produced or utilized in an car Chapter Two: Introduction to Camshaft Technology Since the inception of the car. the internal burning engine has evolved well. However. one invariable has remained throughout the decennaries of ICE development. The camshaft has been the primary agencies of commanding the valve propulsion and timing. and hence. act uponing the overall public presentation of the vehicle. The camshaft is attached to the crankshaft of an ICE and rotates comparative to the rotary motion of the crankshaft. Therefore. as the vehicle increases is speed. the crankshaft must turn more rapidly. and finally the camshaft rotates faster. This dependance on the rotational speed of the crankshaft provides the primary restriction on the usage of camshafts. As the camshaft rotates. Cam lobes. attached to the camshaft. interface with the engineââ¬â¢s valves. This interface may take topographic point via a mechanical linkage. but the consequence is. as the Cam rotates it forces the valve unfastened. The spring return closes the valve when the Cam is no longer providing the gap force. Figure 1 shows a schematic of a individual valve and Cam on a camshaft. Figure 1: Single Cam and Valve Since the timing of the engine is dependent on the form of the Cam lobes and the rotational speed of the camshaft. applied scientists must do determinations early in the car development procedure that affect the engineââ¬â¢s public presentation. The ensuing design represents a via media between fuel efficiency and engine power. Since maximal efficiency and maximal power require alone timing features. the cam design must compromise between the two extremes. This via media is a premier consideration when consumers purchase cars. Some persons value power and thin toward the purchase of a high public presentation athleticss auto or towing capable trucks. while others value fuel economic system and vehicles that will supply more stat mis per gallon. Acknowledging this via media. car makers have been trying to supply vehicles capable of cylinder inactivation. variable valve timing ( VVT ) . or variable camshaft timing ( VCT ) . These new designs are largely mechanical in nature. Although they do supply an increased degree of edification. most are still limited to discrete valve timing alterations over a limited scope. Early on in the development of variable engines. Cadillac introduced its V-8-6-4 engine. This 1981 engine was based on a 6. 0 liter V-8. but was capable of operating as a 4. 5 liter V-6 or a 3. 0 liter V-4. The engine alterations were made while running and were controlled by the on-board computerââ¬â¢s finding of power demands. The engine changed the figure of active cylinders by seting the place of the rocker-arm fulcrum. To disenable a cylinder. the fulcrum was moved via a hydraulic solenoid valve to the contact point of the rocker-arm and engine valve root. This prevented the revolving camshaft from providing adequate force to open the engine valve. The computing machine so made accommodations to the fuel injection rates to counterbalance for the alteration in fuel demands. The Cadillac V-8-6-4 was the standard engine for all 1981 Cadillac theoretical accounts. but the engine experienced a short production tally. Due to consumer ailments about the engine response and operation. particularly when altering from one manner to another. Cadillac discontinued its variable engine. As an update to the short lived Cadillac V-8-6-4. GM introduced its ââ¬Å"Displacement on Demandâ⬠engines in their 2004 theoretical accounts. The construct is similar to the earlier Cadillac effort. but this design limits the engine to run either as a V-8 or a V-4. With the addition of calculating power. GM states the design is more sophisticated. and they promise that the alteration from 8 to 4 to 8 cylinders will be virtually unobtrusive to the driver. The new GM engine incorporates a particular valve lifter. designed by Eaton Corporation. This lifter is a multi-shaft constituent capable of telescoping. A hydraulicly actuated locking pin. when engaged. prevents the lifter from fall ining. This allows the Cam to open the engine valve. When the lockup pin is hydraulicly removed. the Cam merely collapses the lifter and can non trip the engine valve. Alternatively of the cylinder operating alterations offered by the new GM engine. Honda has introduced its VTEC engines to turn to the demand for greater degrees of engine edification. This design incorporates three Cam lobes and three rocker-arms for each engine valve ; see figure 2 for a schematic of the Honda VTEC. The unit locks the rocker-arms together as engine demands change. One rocker-arm is in contact with the engine valve root and is straight responsible for the propulsion of the engine valve. As engine demands change due to increased engine velocity. the next rocker-arms are linked. so the valve timing becomes a map of the 2nd Cam and rocker-arm brace. This procedure is repeated for higher rpmââ¬â¢s. so the 3rd Cam controls the timing of the engine valve. A hydraulic bobbin valve connects the rocker weaponries together by driving a pin through the units. The three Cam lobes are designated for low. mid. and high revolutions per minute demands. There use generates more c onsistent torsion end product and increase fuel efficiency by supplying better valve timing at three different runing scopes. Figure 2: Honda VTEC Schematic As another attack to VVT. Lexus has developed a ââ¬Å"variable valve timing. intelligentâ⬠( VVT. I ) system for its engines. They claim to hold produced the following degree of edification by presenting continuously VVT. The on-board computing machine proctors the engine demands and continuously adjusts the timing and convergence of the consumption and exhaust valves. Regardless of the VVT engineering differences among the taking automotive makers. the premier similarity of a camshaft remains. Therefore. restrictions continue. since the timing is still a map of engine velocity. These restrictions have initiated research into Camless engine engineering. The undermentioned subdivision outlines some recent achievements of other research workers in an effort to develop genuinely independent VVT. Chapter Three: Working of Camless Engine Engine valve propulsion is achieved through the undermentioned process. An electric urge from the control hardware will do the piezoelectric stack to spread out. This additive enlargement will be transferred into motion of a hydraulic bobbin valve. The little motion of the bobbin valve will deviate hydraulic fluid and force per unit area to one side of a hydraulic amplifier. The sudden addition of force per unit area in the hydraulic amplifier will be transmitted into additive gesture by agencies of a Piston. The motion of the Piston acts as the actuator and is straight attached to an engine valve. Variable valve timing is achieved by changing the input electromotive force signal to the piezoelectric tonss. This discrepancy alters the velocity of response and warp of the tonss. Therefore. the motion of the bobbin valve is varied and alters the flow of hydraulic fluid. It is this combination that allows for the independent control of valves. their supplanting. and their gap and shutting speed. The system outlined above is required to get the better of the displacement restrictions of the piezoelectric stack. while working its efficiency and easiness of accurate control. The piezoelectric will offer the needful response for precise rapid alterations in way. but it can non present the force over the needed supplanting needed for usage as an engine valve actuator. Therefore. fluid mechanicss is introduced as a proved engineering. capable of triping the engine valves. Chapter Four: Literature Reappraisal Originally. camless engines were developed for usage as a design adjutant to automotive engine makers. The usage of a camless engine allowed the applied scientist to experiment with valve timing as a agency of planing Cam profiles. These early units were non limited by dimensional or power ingestion restraints. Alternatively. they were entirely developed for research lab usage as a design tool. Aside from research lab usage. history shows that the thought of a camless internal burning engine had its beginnings every bit early as 1899. when designs of variable valve timing surfaced. It was suggested that independent control of valve propulsion could ensue in increased engine power. More late. nevertheless. the focal point of increased power has broadened to include energy nest eggs. pollution decrease. and dependability. To supply the benefits listed supra. research workers throughout the old decennary have been suggesting. prototyping. and proving new versions of valve propulsion for the internal burning engine. Their designs have taken on a assortment of signifiers. from electro-pneumatic to electro-hydraulic. These designs are based on electric solenoids opening and shutting either pneumatic or hydraulic valves. The controlled fluid so actuates the engine valves. Much of the staying certification trades with either the control of the solenoids or the computing machine mold of such control systems. The research on the control of the solenoids is important since their preciseness and response is a restricting factor to the development of earlier camless valve actuators. A comprehensive undertaking utilizing solenoid control of pneumatic actuators was completed in 1991. This research included the development of the actuators. a 16 spot microprocessor for control. and comparative testing between a standard Ford. 1. 9liter. flicker ignition. port fuel injected four cylinder engine and the same engine modified for camless propulsion. Testing compared the unmodified engine to that of the same engine. altered to include eight pneumatic actuators in topographic point of the criterion camshaft. The actuators used during the research required an off-engine power beginning because an engine mounted compressor was non executable. The researches found that for engine operation at 1500 revolutions per minute. the eight actuators used a sum of 2. 5 kilowatt of power. This compares really high to the 140 Watts of power consumed by comparable production engines. As Gould et Al. provinces. their work can non be considered executable for execution due to the high power demands of the actuator. For their undertaking. pneumatic actuators were chosen after running comparing trials among different methods. Pressurized air was chosen due to its low mass. leting fast response and stableness over a wide temperature scope. The research workers found that hydraulic systems had sulky response. particularly at low temperatures. The pressurized air was controlled by electromagnetic valves. All flow way distances were minimized to increase the response clip of the actuator by cut downing the volume of air required for propulsion. The pressurized air opened the engine valves based on the timed electrical signal input to the ââ¬Å"electromagnetic latch. â⬠Residual air was compressed during valve seating and provided a agency of decelerating the valve for a soft place. The research workers concluded that the trial engine produced about 11 % greater torsion at low engine velocities ( below 2000 revolutions per minute ) compared to a conventional engine. Furthermore. the camless engine was capable of cut downing emanation gasses. specifically ââ¬Å"brake specific azotic oxide emissionsâ⬠( bsNOx ) . but merely by degrading the burning procedure. In 1996 the following coevals of camless engine was completed at the Ford Research Laboratory by. chiefly. Michael Schechter and Michael Levin. Fordââ¬â¢s work has taken a elaborate expression at the overplus of parametric quantities associated with consistent. dependable engine operation. The first half of the paper depicting their work is focused on the base parametric quantities of valve timing and convergence. This information will function as good information during the farther development of the paradigm at the University of South Carolina. Beyond the rudimentss. Schechter and Levin introduce a new construct of the hydraulic pendulum. It is stated that the usage of a hydraulic pendulum decreases the systemââ¬â¢s energy ingestion by change overing the kinetic energy of a shutting valve into possible energy stored in the pressurized fluid. This reduces the energy required for pumping the hydraulic fluid. Through this transition of energy. the writers predict that a 16-valve. 2. 0 L engine will devour about 125 W to run at light tonss. The hydraulic pendulum besides allows for the solenoid-based-system to decelerate valve speed. This consequences in soft siting the valve and is a favourable property of the new system. Another benefit is the ability to change the gap and shutting speed of the valve. This allows for increased fluctuation to engine valve parametric quantities. A schematic of the hydraulic pendulum is shown in Figure 3. High and low force per unit area hydraulic reservoirs are connected to the engine valveââ¬â¢s triping Piston. The control of this fluid is accomplished by agencies of two solenoids and two cheque valves. High force per unit area fluid is ever in contact with the lower side of the Piston. and either high or low force per unit area fluid is in contact with the upper side of the Piston. The difference in force per unit area contact country is utilized in concurrence with the hydraulic force per unit area to change the actuating forces. Figure 3: Hydraulic Pendulum Schematic The writers provide a elaborate description of the valve propulsion rhythm. This is summarized as follows. To open the engine valve. the high force per unit area solenoid opens to let high force per unit area hydraulic fluid into the upper chamber. Due to the difference in force per unit area contact country. the valve opens. Next. the high force per unit area solenoid stopping points. but the valveââ¬â¢s impulse continues to open the engine farther. This causes a decrease of force per unit area in the upper chamber and allows the low force per unit area cheque valve to open. The engine valve decelerates as it pumps the high force per unit area fluid from the lower pit back to the high force per unit area reservoir. This procedure both slows the valves and recovers some energy by change overing the kinetic energy of the engine valve into possible energy in the high force per unit area fluid. Once the upper pit force per unit area equalizes with the low force per unit area reservoi r. the cheque valve stopping points and the upper pit fluid is inactive. This allows the engine valve to be held unfastened. Closing the valve is initiated by the gap of the low force per unit area solenoid valve. The engine valve accelerates toward its closed place based on the force derived function between the high force per unit area lower pit and the low force per unit area upper pit. The upper pit fluid is pumped back toward the low force per unit area reservoir. Energy is once more cured and the engine valve is soft-seated through a similar slowing procedure. By shuting the low force per unit area solenoid valve. the upward impulse of the engine valve pressurizes the upper pit fluid. This addition in force per unit area opens the high force per unit area cheque valve and allows the upper pit fluid to be pumped back to the high force per unit area reservoir. Again. energy is converted from kinetic to possible and the valve is decelerated. The best timing of this procedure would let for the kinetic energy of the engine valve to be exhausted precisely when it closes. However. the research workers provide an alternate to such preciseness. Alternatively. they suggest halting the engine valve merely prior to reach with the place. and so briefly opening the high force per unit area solenoid to finish the rhythm. Through the usage of a hydraulic pendulum. a complete four cylinder ICE was produced and found some success. However. the system is complicated and requires multiple constituents. The usage of a hydraulic pendulum requires two solenoids and two cheque valves per engine valve and both a high force per unit area and low force per unit area hydraulic fluid supply. ( Schechter et al. province that two solenoids can run a brace of valves as-long-as the brace is synchronized. However. this detracts from the construct of independent valve control. ) The camless engine developed by Ford and described above was so enhanced at the University of Illinois at Urbana-Champaign. The focal point of the undertaking was to progress the hydraulic-pendulum-based CLE actuator by developing an adaptative feedback control. Their research is focused on the electronics and algorithms of informations acquisition and control and extends beyond the range of the current stage of research here at the University of South Carolina. However. as a comparing. some of the consequences are presented here. The complete system was limited to runing at 3000 revolutions per minute. Valve lift greater than 5 millimeters could non be systematically controlled. There have been a few efforts at developing production theoretical accounts of Camless engines. most notably by Ford. but the usage of solenoids has impeded their execution. Using solenoids to command hydraulic fluid and finally the gap and shutting of the engine valves introduces its ain restrictions. The solenoids consume considerable energy and are a binary control device ââ¬â they are either on or off. Therefore the hydraulic fluid. controlled by the solenoids. is either fluxing or blocked. This design allows for some discrepancy of valve timing. but is still limited by the response capablenesss of the solenoids. Furthermore. it can non straight address valve speed or supplanting alterations. The development of the Camless engine overcomes these restrictions through the usage of piezoelectric tonss. a spool valve. and a hydraulic amplifier alternatively of solenoids. This combination consequences in a device capable of about boundlessly variable valve timing. altered valve supplanting. and governable valve speed. Chapter Five: Conceptual Development The construct was to utilize piezoelectric tonss to supply the supplanting of a hydraulic bobbin valve. The motion of the bobbin valve would command the flow of hydraulic fluid. To use the hydraulic fluid flow from the bobbin valve. a hydraulic amplifier would be required. This would make the needed force and supplanting for triping an ICE valve. The original expectancy of design demands presented during the conceptual development stage was stated as follows. â⬠¢ ICE valve travel requires 8 millimeter. Design the system for 10 millimeter. â⬠¢ Forces encountered will be due to internal force per unit area within the ICE cylinder and from the valve closing spring. Design for 8 saloon moving on a valve caput diameter of 28 millimeters and a spring rate of 35 N/mm. â⬠¢ ICE velocity of 6000 revolutions per minute. This equates to valve propulsion of 50 Hz. â⬠¢ Develop control for the system that can change valve displacement speed and timing. As the ICE valve opens. the forces due to coerce cut down dramatically while the spring force additions linearly. This is shown pictorially in Figure 4. Figure 4: Resistive Engine Forces V. Valve Displacement The spring is designed to shut the ICE valve when no force is being applied to open it. This is similar to bing engine valves. but finally may turn out to be an obstruction to get the better of. Even during the conceptual development. the replacing of spring-return with hydraulic-return was discussed. Figure 5 shows a schematic of the engine valve with a spring return. This is similar to the valve used on the trial rig. Figure 5: Engine Valve Schematic The usage of a compaction spring. as shown in Figure 2. allows for thermic enlargement of valve constituents while keeping valve closing. If the spring is to be removed. the control system must be able to supervise the seal unity and suit any supplanting alterations due to thermic enlargement. During cogent evidence of construct proving. a spring return was maintained. as to nonpresent further control complexness. Aside from the provided spring return valve attach toing the trial rig. the other major design restraint was the hook-up demands for linking to the bobbin valve. The bing bobbin valve had a four port interface based on ISO 4401: Hydraulic Fluid Power ââ¬â Four Port Directional Control Valves ââ¬â Mounting Surfaces. Figure 6 represents a schematic of the four port interface. Figure 6: Four Port Directional Control Valve Mounting Surface From Figure 6. it can be seen that there are four bolt holes and the four hydraulic ports labeled A. B. P. and T. These represent the followers. â⬠¢ Ports A and B are the end product ports for hydraulic fluid. Fluid flow is directed to A or B depending on the place of the bobbin. For the Camless engine application. ports A and B provide hydraulic force per unit area to the top and underside of the hydraulic amplifierââ¬â¢s Piston. severally. â⬠¢ Port P is the input port. It is connected to the end product of a hydraulic pump. â⬠¢ Port T is the return port. It is connected to the input of a hydraulic fluid reservoir. The construct develops a hydraulic actuator that would link to ports A and B of the provided bobbin valve. By making a hydraulic actuator based on a Piston ââ¬â cylinder agreement. hydraulic fluid from ports A or B would do supplanting of the Piston. This is shown schematically in Figure 7. Figure 7: Hydraulic Actuator Schematic As shown in Figure 7. if hydraulic force per unit area is introduced through port Angstrom from the bobbin valve. the Piston will travel down. Hydraulic force per unit area applied to port B will do the Piston to travel up. Furthermore. hydraulic fluid must be able to run out out of the cylinder through the port antonym of that being pressurized. For illustration. as hydraulic force per unit area and fluid is applied through port A. the Piston moves down. Since the hydraulic fluid is basically incompressible. the fluid must be able to run out through port B. Sing this construct. the ICE valve would merely be attached to the terminal of the Piston. This would make additive propulsion. Length of shot would merely be dependent on the Piston surface country in contact with the hydraulic fluid. the force per unit area of the fluid. and the resistive forces associated with opening the ICE valve. The major constituents that make-up the camless engine actuator are two bore home bases. one cylinder block. one Piston. and the piezoelectric controlled spool valve. Extra elements include the fasteners. o-rings. and PTFE lip seals. The consequence of the camless engine actuator assembly is shown below in Figure 8. Figure 8: Hydraulic Actuator and Mounting Block Assembly Figure 8 shows a cutaway position of the camless engine actuator assembly. Because it is cutaway. the bobbin valve and the ISO 4401 port connexions are non seeable. In this position. the bobbin valve would be coming out of the paper toward the reader. The camless engine actuator assembly and mounting block were so attached to the hydraulic system. Hydraulic connexions and layout are addressed in the following subdivision. Chapter Six: Assembly of the Hydraulic System The camless engine actuator assembly outlined in the old subdivision was mounted onto the hydraulic system. Hydraulic connexions were made via the standard hydraulic threaded connexion ? ââ¬â 19 BSP ( British Straight Pipe ) . The system flows hydraulic fluid from a pump and back to a reservoir and is a ego contained strategy. Hydraulic fluid is pumped through a ball valve and into the side port of the cylinder block. This connexion is straight routed to the P port of the bobbin valve. From at that place. the place of the bobbin valve determines where the pressurized fluid goes. In the impersonal place. the fluid is dead-headed. and aside from any escape past the bobbin. the fluid is inactive. See Figure 9. Figure 9: Hydraulic Amplifier Schematic When the bobbin valve translates up. fluid flows through the B port and pressurizes the upper pit of the cylinder block. This pressurization consequences in the downward interlingual rendition of the Piston. In bend. the engine valve is being opened as the Piston translates down. This is shown in Figure 10. Figure 10: Hydraulic Amplifier ââ¬â Spool Valve Up The opposite occurs as the bobbin valve translates down. Fluid flows through the A port and pressurizes the lower pit of the cylinder block. This force per unit area causes the Piston to lift and allows the engine valve to shut. See Figure 11. [ movie ] Figure 11: Hydraulic Amplifier ââ¬â Spool Valve Down Drain of fluid from the cylinder block takes topographic point through the A or B port. whichever is non being pressurized by the bobbin valve. As the Piston translates toward the non-pressurized port. hydraulic fluid is forced back into the bobbin valve. This fluid is so routed straight to the T port ( drain ) and returns to the reservoir. From the reservoir. the fluid is pumped back into the system. and the procedure repetitions. Decision It is the ability to change valve timing that will supply enormous betterments to the following coevals of internal burning engines. An engine will be capable of supplying increased power when needed. increased fuel efficiency when allowable. and overall decreased emanations. For illustration. when come ining onto a busy freeway. the onboard computing machine will feel the demand for greater power. This consequences in valve timing alterations to change the convergence between consumption and exhaust valves. Making so will momentarily sacrifice efficiency for power. Then. one time the car is cruising on the freeway. the computing machine will change the timing once more to cut down power and increase fuel efficiency. Furthermore. the timing can be optimized for a more complete burn ; therefore the engine will bring forth fewer emanations. Fuel economic system can farther be increased by closing down unnecessary cylinders. When an car is cruising at a changeless velocity. it does non necessitate all cylinders to be operational. With this freshly developed piezoelectric controlled camless engineering. complete cylinders can be removed from the timing rhythm. It is this combination of fluid mechanicss and piezoelectric tonss that constitutes a spring in automotive engine engineering. A working paradigm to trip a individual valve has been completed. and proving has proven that the system is a feasible option to a camshaft. The overall consequences of a complete Camless engine will supply the consumer with a vehicle that performs to outlooks. but facilitates increased fuel economic system. This combination is indispensable. since grounds shows consumers are non prepared to compromise on public presentation. while at the same clip fuel monetary values continue to intensify. Mentions Dobson. N. and Muddell. G. . 1993. ââ¬Å"Active Valve Train System Promises to Extinguish Camshafts. â⬠Automotive Engineer February/March 1993. General Motors ââ¬â GM and the Environment. May 21. 2001. General Motors. June13. 2001. Ladd. D ; Camless Engine is Deriving Momentum. September 13. 1999. Siemens Automotive. July 4. 2000. Lexus ââ¬â Variable Valve Clocking a First in an SUV. Autoworld. June 18. 2001. Mori. Kaz. Hondaââ¬â¢s High-Output LEV Engine Home Page. Honda. June 13. 2001.
Thursday, March 5, 2020
Middle School Debate Topics
Middle School Debate Topics Debates are a wonderful, high-interest way to teach a number of skills to students. They provide students with the ability to research a topic, work as a team, practice public speaking, and use critical thinking skills. Despiteor perhaps because ofthe challenges that go along with teaching tweens, holding debates in middle school classes can be especially rewarding. Middle School Debate Topics The following is a list of topics that would be appropriate for use in middle school classrooms. As you read through these you will see that some are more appropriate for specific curriculum areas while others can be used in classes across the board. Each item is listed as a proposition. You will assign one team this proposition and the opposing team would argue the opposite. All students should have daily chores.Every home should have a pet.Every student should play a musical instrument.Homework should be banned.School uniforms should be required.Year-round education is better for students.Children should not be allowed to drink soda.PE should be required of all students throughout middle and high school.All students should be required to volunteer in the community.Corporal punishment should be allowed in schools.The Internet should be banned from schools.Junk food should be banned from schools.All parents should be required to attend parenting classes before having a child.All students should be required to learn a foreign language in middle school.All museums should be free to the public.Single-sex schools are better for education.Students should be held legally responsible for bullying in schools.Children under 14 should not be allowed on Facebook.Prayer of any form should be prohibited in schools.Statewide tests should be abolished.All people should be vegetarians. Solar energy should replace all traditional forms of energy.Zoos should be abolished.It is sometimes right for the government to restrict freedom of speech.Human cloning should be banned.Science fiction is the best form of fiction. (Or any form of fiction of your choosing)Macs are better than PCsAndroids are better than iPhonesThe moon should be colonized.Mixed Martial Arts (MMA) should be banned.All students should be required to take a cooking class.All students should be required to take a shop or practical arts class.All students should be required to take a performing arts class.All students should be required to learn sewing.Democracy is the best form of government.America should have a king and not a president.All citizens should be required to vote.The death penalty is an appropriate penalty for certain crimes.Sports stars are paid too much money.The right to bear arms is a necessary constitutional amendment.Students should never be forced to repeat a year at school.Grades sh ould be abolished. All individuals should pay the same tax rate.Teachers should be replaced by computers.Students should be allowed to skip grades in school.The voting age should be lowered.Individuals who share music online should be put in jail.Video games are too violent.Students should be required to learn about poetry.History is an important subject in school.Students should not be required to show their work in math.Students should not be graded on their handwriting.America should give more money to other countries.Every home should have a robot.The government should provide wireless service for everyone.School pictures should be abolished.Smoking should be banned.Recycling should be required.Children should not watch television on school nights.Performance enhancing drugs should be allowed in sports.Parents should be allowed to choose their babys gender.Education is the key to future success.
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