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Research Paper Topics For Ray Optics
Tuesday, August 25, 2020
Human Resources Management The Key to Strategic Success
Presentation Human asset the board is a moderately youthful idea in the administration of individuals in a hierarchical setting. This methodology of overseeing representatives considers individuals the most significant assets in any association (Daft Marcic 2004). Human asset the board involves the enlistment, determination, preparing, and improvement of the group of individuals that make up an association in any division of the economy (Anto 2013).Advertising We will compose a custom exposition test on Human Resources Management: The Key to Strategic Success explicitly for you for just $16.05 $11/page Learn More Kreitner (2008) characterizes HRM an organizationââ¬â¢s procedure of enlistment, picking, progress, arrangement, repayment, and motivation of HR. As indicated by Davidson, Woods, Simon, and Griffin (2008), human asset the executives includes the course of action, arrangement, driving, overseeing acquisition procedures, and improvement of authoritative status until individ ual and aggregate targets are cultivated. The two elements of HRM picked in this article are enlistment and choice. These procedures are significant for any association that plans to improve the yield of its human asset. The exposition takes a gander at how these capacities are significant in the upper hand of any association. The investigation shows how these exercises empower HRM meet its vital targets. HRM and Competitive Advantage An organizationââ¬â¢s HR can be a noteworthy wellspring of upper hand. The presentation of an association is related with how well this association can impact the exhibition of its human asset. As per Anto (2013), human asset decides the achievement or disappointment of an association. The human asset office in an association impacts its yield through various ways. One manner by which the upper hand of an association is impacted by the human asset is through the presentation of effectiveness, which is the way wherein an association guarantees satisf actory yield (Buchanan Huczynski 2004). HRM empowers the compelling usage of human asset in an association. Moreover, it permits compelling execution in all elements of the association. Human asset the executives likewise empowers the development of capacities in an association. This methodology establishes the region of duties and thus the satisfactory exhibition of the association. Representatives can work adequately in an association that has obviously characterized worker jobs (Sung Choi 2014).Advertising Looking for exposition on business financial matters? How about we check whether we can support you! Get your first paper with 15% OFF Learn More Companies with an all around oversaw human asset are better contenders dependent on the model yield that they can enlist in examination with associations that come up short on these practices. The human asset division in an association can guarantee improved upper hand for an association through the improvement of proficiency (Robbins Coulter 2009). The arm is the fundamental contact point between the organization and its customers. At the point when representatives are very much propelled or potentially have an uplifting demeanor, they can keep up a critical customer base for the association (Anto 2013). This capacity guarantees improved upper hand. Enrollment and Selection The two HRM exercises that have been decided for study incorporate the enlistment and choice capacities, which are critical to the general execution and upper hand of an association (Daft 2008). There is a requirement for participation between the different people who are associated with human asset the board for the above procedures to be effective (Jones George 2009). Enlistment and choice ought to be an arranged, discerning, and successively connected movement. Australian Human Resources Institute (n.d) has given a nitty gritty portrayal of what enlistment and choice involve. Enrollment is a procedure that produces a pool of individuals t hat the association perceives as equipped for applying for business (Bartol, Martin, Tein, Matthews 2007; Australian Human Resources Institute n.d). Then again, determination is the procedure by which the people who are worried about HRM in an association utilize unique devices to pick workers from a foreordained pool (Jones George 2009). As per Bartol et al. (2007), individuals who are chosen from this pool are the most appropriate to prevail in the accessible jobs while working inside the legitimate prerequisites and objectives of the association. Despite the fact that these two elements of HRM are firmly connected, there are various necessities for every one of the capacities, particularly as abilities, aptitude, and capabilities (Bartol et al. 2007).Advertising We will compose a custom paper test on Human Resources Management: The Key to Strategic Success explicitly for you for just $16.05 $11/page Learn More Therefore, extraordinary staff individuals might be called to play out these capacities. As indicated by Start-up Special (n.d), a few associations even redistribute the enrollment capacities from outer offices. Enlistment and determination are significant in the individuals the board in associations. Individuals associated with the administration of workers in associations have a task to carry out in the enlistment and determination of representatives, and it's anything but a prerequisite for them to be human asset administrators (Bartol et al. 2007). Enlistment and determination of representatives empowers an association to build up a sufficient workforce to meet its objectives and destinations. Along these lines, the two exercises add to the upper hand of an association. A competency approach is one of the built up procedures in the enrollment and determination of representatives, with the outcomes being profoundly qualified specialists who are appropriate for the different accessible employments (Baron 2000). At the point when embraced in the enli stment and choice of representatives, this methodology guarantees that workers who are accessible in the association have the capacities or potentially abilities that are expected to play out the different elements of the association (Bhattacharya, Gibson, Doty 2005). This methodology is better than the conventional one where representatives were coordinated to the employments that were accessible for an association. Enrollment and choice procedures that embrace and welcome individual contrasts guarantee the best execution of workers in the association (Oââ¬â¢Meara Petzall 2013). An assorted variety approach in enlistment and choice makes thinking entertainers among the selected representatives, and thus better authoritative execution (Oââ¬â¢Meara Petzall 2013). In this manner, enrollment and determination exercises inside HRM are basic in human asset management.Advertising Searching for exposition on business financial matters? How about we check whether we can support you! Get your first paper with 15% OFF Find out More Acquaintance of Processes with construct Recruitment and Selection Organizations can acquaint rehearses with fabricate the enrollment and choice exercises inside their activities. Since enlistment and choice are significant exercises inside an association, there is a need to get these exercises right. The association needs to embrace rehearses that guarantee positive exhibition of enlistment and choice. The resourcing cycle in an association should be very much characterized (Anto 2013). The procedures inside the enrollment cycle in associations, for example, enlistment and choice should be completed in an ideal and expert way. A portion of the practices that an association may acquaint with guarantee productivity in the above prepared of HRM incorporate redistributing in pertinent organizations (Oââ¬â¢Meara Petzall 2013). A few associations can't perform satisfactory enrollment and choice of representatives successfully. They may guarantee that this job is done through contractin g organizations that are experienced particularly in enlistment. The other way that associations may present an adjustment in these practices is through the preparation of people who are worried about doing these practices. As per Oââ¬â¢Meara and Petzall (2013), preparing guarantees that the administration and others who are worried about enlistment and choice of competitors settle on choices that influence the organization decidedly. Enlistment and Selection and their connection to HRM Strategic Objectives The vital targets of HRM are comparable in many associations. The basic ones incorporate the arrangement of associations with the best-qualified representatives who can fill certain positions. Enlistment and determination are legitimately connected to the capacity of HRM to meet these goals (Meara Petzall 2013). One way that these exercises guarantee that the HRM vital goals are met is that they go about as control territories for the exercises. These exercises are the initial ones to be performed inside the enrollment cycle. Consequently, bosses can decide the kind of staff that they overcome the choice of workers who are most appropriate for their association (Robbins Stagg 2011). During this piece of the enlistment cycle, the business may set the necessities for the possible representatives. Enlistment and determination ought to be set by the necessities of an association and as indicated by the accessible assets (Sultana Razi 2012). Affirming this case, Leung (2014) delivers the need to concentrate on the workerââ¬â¢s experience while enlisting new representatives. The exercises empower the associations to choose representatives who are fit to the assignments inside the association or potentially who can work under the conditions in the association. They should work under the ideal hierarchical culture for this association. The exercises may likewise be utilized to build up the nature of representatives inside an association along with the necessa ry preparing. Thusly, enrollment and determination are significant control regions for workers who end up mind
Saturday, August 22, 2020
Path of the Stars Essay Example for Free
Way of the Stars Essay The melody ââ¬Å"Starsâ⬠from the musicale Les Miserables is sung by Inspector Javert close to the finish of Act I when he understood that it was Jean Valjean whom he had helped escape from the gathering of Thenardier. Reviewer Javert is a somewhat inquisitive character. A decent portrayal of him is all around spread out in the novel. In any case, in the musicale rendition, just bits of Javertââ¬â¢s character can be sparkled when watched cautiously. ââ¬Å"Starsâ⬠may not be one of the globally famous tunes from musicale like ââ¬Å"I Dreamed a Dreamâ⬠and ââ¬Å"On My Ownâ⬠, yet it offers a decent knowledge into the way Inspector Javert considers himself to be a law-requirement operator, criminals like Jean Valjean, and his fixation, verging on frenzy, in the quest for culprits, particularly Jean Valjean, to confront equity. Javertââ¬â¢s considers himself to be one of the stars, ââ¬Å"filling the haziness with request and light â⬠¦sentinels, quiet and sure, keeping watch in the night. â⬠He considers himself to be a subtle individual in the public arena maintaining the control and remaining as a vanguard of harmony consistently on the watch. He is consistently there to keep up the harmony in the public arena. He accepts that every one of us, similar to the stars, knows his legitimate spot and capacity in the public eye and the individuals who stray from their fixed and sure ways, offenders and outlaws, ââ¬Å"must pay the priceâ⬠and face equity. Culprits are stars that have lost their direction, men who have strayed from their jobs in the public eye. They escape in obscurity for they are out of graces according to God, as per Javert. As a holy obligation, Javert has brought it into himself, depending on the stars, that he would not rest until these escapees are brought to confront equity. This obligation is his job in the public arena; his course and point in the skies as one of the stars, ââ¬Å"and so it must be, for so it is composed. â⬠If we follow Javertââ¬â¢s theory that all men in the public arena are nevertheless stars with fixed way in the skies and those stars that tumble from their ways ââ¬Å"fall in flame,â⬠this equivalent way of thinking gives us a thought of how hard Javert could be even to himself. In the event that and when Javert, as a star in the sky, digresses from his fixed way he, too, must follow through on the cost. This understanding into the considering Javertââ¬â¢s gives as a dull premonition of what may occur on the off chance that he bombs in his quest for Jean Valjean (as the case would be in Act II). Javert may not be one of the most genial characters in the musicale Les Miserables however he gives us a decent image of a section of our general public today. Individuals who will in general be over the top and inflexible in their perspectives are typified by Javert. I am not a decent position to condemn individuals like Javert. To certain degrees I concur with Javert that every one of us has a job in the public eye and when we flounder we should pay dearly. However, I don't concur in the inflexible utilization of equity as upheld by Javert. I accept that when an individual submits an off-base we should temper our judgment by hearing out the reasons of the wrongdoer, expecting great naturedly that he submitted such offense accidentally. I put stock in equity with empathy. Equity, all things considered, has consistently been portrayed as a woman blindfolded so she may hear and weight with her heart the contentions laid before her.
Sunday, July 26, 2020
The Moment You Found Out Youre An Illini With GIFs
The Moment You Found Out Youre An Illini With GIFs So today you found out youre an Illini! Ill always remember the moment I found out I was an Illini. I was sitting after school with my school newspaper helping to lay out the next issue. So when the time came, I frantically logged into myIllini and saw that I had made it. It was a great moment because my newspaper knew how badly I wanted to get into the school. So, I do know exactly how you all felt today. But heres how you were probably feeling all day at school Your friends applying here probably felt the same way. (I remember feeling sick to my stomach the whole day. It was hard paying attention in class.) But, you tried to keep it cool, even when people asked, Are you nervous? Finally, its time to check whether you made it or not. You log on You read the words, Youre an Illini! You cant believe your eyes, so you read it again. It finally sets in that youre an Illini! You probably want to do some backflips, right? You should be proud that you got into one of the best univerisities in the world. You deserve it! The moment I got into this school, I knew I was going to commit to coming. I recommend you should too. If you need any more convincing, you should read the other blogs. Congrats once again! Daniel Class of 2018 Iâm an Advertising major in the College of Media. Iâm from a northwest suburb of Chicago called Buffalo Grove. I chose Illinois because it was the first university in the entire world to offer an Advertising major, which is pretty cool!
Friday, May 22, 2020
Advantages And Disadvantages Of Manual Inventory Management
Inventory management is an integral part of businesses. There are manual and automated management systems each one having its own advantages and disadvantages. Problems with manual system need to be analyzed, and take steps to consider to see if an automated system is more feasible for the business. The business process assessment needs to be in the equation as well as software capabilities and hardware needs. INVENTORY MANAGEMENT Most businesses, regardless of their size, small or large, carry inventory. The inventory can be from raw material to finished products, but it needs to be counted and tracked manually or with an automated system. Regardless of the system used, it is important to maintain stock at the right levels as well asâ⬠¦show more contentâ⬠¦There are also disadvantages with the manual inventory system. It can be labor intensive to run by having to constantly monitor the inventory every time a sale takes place to ensure that stocking levels are appropriate. Prone to human errors is another disadvantage of the manual inventory system. The manual inventory system relies on people s efficiency to record the sale in a timely manner and to count the items correctly to avoid increasing inventory levels and its carrying costs, or not having enough product on hand to fulfill an order. Some of the carrying cost to consider are warehousing storage, insurance, taxes, depreciat ion, and breakage among others. à © Fishbowl Inventory A business owner wanting to convert a manual inventory system to an automated system must have detailed processes that take place with the current system and then begin to change it to what he or she wants it to be. With the new system design, employees performing the current tasks regularly, need to be included in the new designing process. A thorough business process assessment must be done to be able to assess the business process efficiently. The report should list all aspects of the business, requirements and trade demands as well, to measure its processes effectively. Any processes happening behind the scenes need to be account and make changes necessary to the procedures to ensure the process is complete. The business owner must keep in mind that ââ¬Å"the purpose of the inventoryShow MoreRelatedInventory Systems Paper1372 Words à |à 6 PagesInventory Systems Summary Inventory control systems are used so that companies can track materials or products. Before technology was so readily available, employees of companies had a harder time tracking inventory. Today one can go into a large retailer and ask an employee to check if an item is in stock and all the employee would have to do is check a little hand held device. The four types of inventory systems that Team A decided to research and discuss were: Advanced Tracking System (ATS)Read MoreRelated Literature of Sales and Inventory System2506 Words à |à 11 PagesInventory Systems Summary According to the U.S. Small Business Administration, ââ¬Å"Inventory refers to stocks of anything necessary to do businessâ⬠(U.S. Small Business Administration, 2010, pp 1-2). The U.S. Small Business Administration publication describes what constitutes successful inventory management (balancing cost versus benefits of inventory), including 1) Maintaining a wide assortment without spreading the rapidly moving items too thin, 2) Increasing inventory turnover without sacrificingRead MoreThe Marketing Strategy Of The Clayton Liquors1228 Words à |à 5 Pagescash returns of 17 % in 2008-2009. The infrastructure and employees cost are nominal in 2008. The employeesââ¬â¢ costs were increased by 35% from 2008 to now. The inventory and sales system are manual now in Clayton Liquors. The liquor store sells regular beverages such as sodas, juices and energy drinks along with liquor. The range of inventory has been grown tremendously from 2008 to now. The Clayton liquors gradually developed its business year by year. The initial focus of the business was on gatheringRead More1.Introduction. The Purpose Of This Report Is To Examine1390 Words à |à 6 Pagespharmaceutical companies, uses several systems, such as vendor managed inventory, decision support system and e-procurement, in their business operations. The next part of this report introduces the technology implementation barriers when applying these syste ms and models in the process management. The report closes with giving some solutions to tackle the technology problems and barriers to the effective implementation of supply chain management. 2. Principles, techniques, practices and IT solutions for improvedRead MoreRadio Frequency Identification Technology And Information Sharing Platform For Storage1542 Words à |à 7 PagesIdentification Technology and Information Sharing Platform Enhancing Storage Efficiency in Modern Logistics Warehouse Management Modern logistics is more intelligent and integrative than traditional logistics, there are various techniques in the field of logistics such as RFID Technology (Radio Frequency Identification), ERP (Enterprise Resource Planning) and RF WMS (Radio Frequency Warehouse Management System). These techniques put forward 20 years ago, but it seems to be unrealistic at that time. Thus, theseRead MoreInformation System Proposal1028 Words à |à 5 PagesContents Introduction1 Types of organizational systems for Joeââ¬â¢s Record Store2 Transaction Processing System3 Management Information System4 Executive Dashboard5 Decision Support System6 Office Automation Systemâ⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.7 Advantages of Information Systemsâ⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦8 Disadvantages of Information Systemsâ⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.9 Conclusionâ⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Read MoreE Logistics Warehouse Management System1320 Words à |à 6 Pagesâ⬠¢ E-logistics warehouse management system A warehouse management system (WMS) is a software application that supports the day-to-day operations in a warehouse. WMS programs enable centralized management of tasks such as tracking inventory levels and stock locations. There are different types of modules that are an important part of the warehouse system management. Modules: ïÆ'Ë Customer details and Administration model. ïÆ'Ë Sales Orders ïÆ'Ë Warehouse Management ïÆ'Ë Automated Billing from Order ïÆ'Ë ReportsRead MoreInformation Systems Proposal Essay955 Words à |à 4 Pagesboth computer-based and noncomputer based, but different types are needed to be successful. For this type of business, it would be essential to include a functional area IS system, a transaction processing system, an office automation system, a management information system, a supply chain information system, and an electronic commerce system for full capacity use. For a smooth operation, this information structure will assist in creating activity reports, track credit card sales, handle payrollRead MoreSupply Chain Management And Tracking Persistence And Different Industries1310 Words à |à 6 Pagesused in the supply chain management and tracking persistence and different industries. In logistics management is to confirm the accessibility of resource at minimum cost for production. Make sure they deliver on time the products of low cost to the customer. Logistics is the process of strategically man aging finding and storage of materials, part and complete inventory through organizational itââ¬â¢s selling channels in such a way that current futures profits are take advantage of through cost effectiveRead MoreManagement Accounting For Costs And Control1370 Words à |à 6 Pages ACC512 Management Accounting for Costs Control Assessment Item 1 Midhun Ramachandran Student ID: 11594000 Class: Wednesday 9am-12pm Lecture - Dhanushka Wijayakantha ââ¬Æ' Answer 1- Management accounting The three elements that drive or influence management accounting work are: Compliance- It refers to the need to fulfil both external regulations as well as reporting requirements. Accounting personnelââ¬â¢s need to furnish proper recognition of expenses and revenues, and estimate assets and
Friday, May 8, 2020
Cyber Attacks And Its Effects On The United States
Most ISIS practice customs from the 7th century, but the methods they use to fight a war are 21st century techniques. ISIS have an advanced computer network that uses social media to attract terrorists worldwide to help them attack countries like the United States. Many countries have been victims of cyber attacks but may not realize it until long after the security breach occurred. In June of 2015, the Office of Personnel Management found out that it was being hacked. The hack had been going on for several months before authorities realized it. It was one of the largest security breaches in United States history. With the news of security hacks finally reaching the public, many people question the government and wonder if it can adequately protect itself from future attacks. The attacks from ISIS are making people feel uncomfortable and unsecure. Many people are beginning to realize how serious the ISIS and their online schemes are. ââ¬Å"The United States of America is under atta ck,â⬠warned Rep. Elijah Cummings during a House Oversight and Government Affairs Committee hearing in June of 2015. (Law Street) Katherine Archueta is the director of OPM. She faced a lot criticism at the hearing for not updating the databases, because she was already aware of the security issues. An audit was carried out on OPM on November of 2014, not long before the breach. It revealed that several databases still did not meet federal security standards. It was known that many of the databasesShow MoreRelatedCyber Terrorism1716 Words à |à 7 PagesChinese hackers targeted United States government sites, after an accidental bombing of a Chinese embassy in Belgrade. During this attack, government sites were hijacked and some sites suffered a denial of service attack. Most recently, it was suspected that Bank of America was the victim of a cyber terrorism attack; although no definitive evidence is available to substantiate that claim.à Cyber terror attacks pose a threat a gainst the national security of the United States. In order to fully comprehendRead MoreCyber Warfare Is The New Warfare Domain1528 Words à |à 7 Pages the United States should preemptively attack the opposing country using their cyber warfare capabilities. II. Explanation of thesis and short summary. Cyber warfare is the new warfare domain. Understanding how to morally utilize the newfound capabilities will assist the United States to maintain military dominance as well as mitigate possible immoral tragedies. Cyber warfare and war envelops a vast array of topics available for discussion. Therefore, the topics of interest within cyber warfareRead MoreCyber Deterrence And Its Impact On Western Europe1518 Words à |à 7 PagesWhat is Cyber Deterrence? Merriam-Webster defines deterrence as the act of making someone decide not to do something or the act of preventing a particular act or behavior from happening (Merriam-Webster, 2015) . This can be applied to the cyber realm in the sense that we need to deter terrorists, state actors and non-state actors from attempting attacks on U.S. networks. To understand how to apply cyber deterrence we have to look at past policies or theories on deterrence. Deterrence theory firstRead MoreCyber Terrorism And Threats Of Information System1688 Words à |à 7 PagesCyber-Terrorism and Threats to Information System National security has been top priority of the United States after World War II. This is due to the fact that the United States before this time was relatively an isolationist country with no influence in the world. As a result national security was not important, this changed post World War II. The United States found themselves among the top, overnight they went from being new and not listened to, to becoming one of the major players in the worldRead MoreInformation Is A Source Of Power In International Relations.967 Words à |à 4 Pagessource of power in international relations. Technology is the capability by which states store information. More so now than ever, countries heavily rely on information technology and data storage in order to facilitate the basic functioning of a state. However, when any state places enough importance on a resource of power, that resource becomes a target. An attack on informational structures of a state are cyber-attacks or ââ¬Å"the use of com putational technologies in cyberspace for malevolent and destructiveRead MoreCyber Security, A Government And Private Industry Affair1686 Words à |à 7 PagesCyber-security, a government and private industry affair Introduction The role of computers in business operations is growing with each wake. Computers have helped entities boost efficiency, speed up service and product delivery and take consumer interaction to another level. However, this new wave has not come without its challenges. Cybercrimes pose a threat to information security and privacy, which is a concern for private and public institutions alike. The United States has developed laws thatRead MoreCyber Warfare And Global Affairs1543 Words à |à 7 Pagescan steal information. Even countries are using the cyber domain as a separate battlefield to fulfill their missions and acquire information. Cyberwar is relatively a new term to describe: an Internet-based conflict involving politically motivated attacks on information and information systems. But the definition is constantly evolving with time and the more knowledge the public acquires about these conflicts. Although the idea of explaining cyber warfare is far too vast and bound to only rea dily availableRead MoreCyber Security : New Law1719 Words à |à 7 PagesCyber Security: New laws in United States and Their Impact Throughout the United States today there are many attempted hacks going on right now, most unsuccessful, but some are successful. Major businesses as well as minor businesses have had to invest in a good security systems and making backups of data to protect themselves, as well as their clients, from attempted hacking and the risk of sensitive information being leaked out ( such as social security or credit card numbers). As a result, thereRead MoreThe Patriot Act Title Vii Section 814 And 8161429 Words à |à 6 Pagesupon citizens of the United States, the aim of this paper is describe in depth The Patriot Act Title VII Section 814 and 816. These sections of the Patriot Act protects the citizens of The United States from the worldââ¬â¢s newest form of terror; Cyber-Terrorism. The aim is to explain this law, its adequacies, and inadequacies in detail and to offer suggestions and solutions for its shortcomings. Commission of Cyber Terrorism In 2013, a man, investigators named the ââ¬Å"Sexual Cyber Terroristâ⬠extorted overRead MoreAirport Security : Technology Versus Common Sense1476 Words à |à 6 PagesVirginia from a series of ruthless coordinated terrorist attacks which were carried out in the air. These attacks forever changed airport security measures throughout the United States and the World. The attacks resulted in the immediate creation of the Transportation Security Administration, which was stood up to increase airport security measure to prevent repeating such horrible acts on United States soil. Sixteen years later, the United States is a safer country and airport security has improved
Wednesday, May 6, 2020
Design of Industrial Robots Free Essays
string(136) " of maps and informations, creative activity of user interfaces, and interfacing with plans written in other linguistic communications\." Abstraction Today, industrial automaton is used in assorted intents such as welding, picture, choice and topographic point, production review, and proving. Because of its popular, industrial automaton has become interesting field, many companies, research centres and scientists spend much of money, clip to better features of industrial automaton. Simulation is a cardinal competency for both robot makers, users and scientists to better automaton public presentation, safety and cut down automaton cost, power, clip. We will write a custom essay sample on Design of Industrial Robots or any similar topic only for you Order Now In this thesis, brief kinematics, kineticss and control theory are mentioned ; equations from these theories are applied for R-R and R-R-R operator, so these consequences are compared with simulation consequences to verify simulation consequences. In add-on, a simple existent theoretical account is built with 2 dynamixel servo motors ; the existent theoretical account can make simple work such as traveling point to indicate, following consecutive line. The simulations of automaton operator are performed by Recurdyn-Colink and Recurdyn-Matlab/Simulink. Forward and reverse kinematics are used to simulation automaton operator to execute progress trajectory way, the consequences from these simulations are used in kineticss subdivision. PD feedforward control besides is indicated, the control system based on independent articulation control, which frequently is known as single-input/ single-output system. These consequences from simulation are tantamount with theory. These consequences besides provide a batch of utile information for a batch of intents such as layout rating to avoid obstruction, optimisation flight way, kinematics, kineticss study. Keywords: automaton operator, kinematics, kineticss, feedforward control. 1 Introduction Motivation and history of industrial automaton Today, we can run into industrial automaton in many mills in the universe. Applications of industrial automatons include welding, picture, choice and topographic point ( packing or SMT line ) , production review, and proving. Harmonizing to the International Federation of Robotics ( IFR ) , by the terminal of 2011, there were at least 1,153,000 operational industrial automatons. And IFR estimated the world-wide gross revenues of industrial automatons about US $ 8.5 billion. If cost of package, peripherals and systems technology are included, the industrial automaton market was estimated US $ 25.5 billion in 2011. Therefore, industrial automaton has been become an interesting field. Along with development of industrial automaton, simulation and theoretical account of industrial automatons are of import. They can supply a batch of utile information for many intents such as layout rating, kinematic, dynamic survey, off-line scheduling to avoid obstruction in the undertaking infinite and design mechanical construction of automatons. The history of industrial automaton has associated with the development of computing machine aided design ( CAD ) and computing machine aided fabrication ( CAM ) systems. In 1954, George Devol applied for the first robotics patents ( granted in 1961 ) . In 1956, Devol and Joseph F. Engelberger formed the worldââ¬â¢s foremost robot company was Unimation which was based on Devolââ¬â¢s original patents and Engelberger has been called as the male parent of robotics. Unimation has been built with hydraulic actuators and programmed in joint co-ordinates. The angle of each articulation was stored during a teaching stage and replayed in operation. In the 70s the automaton industry increased really rapidly because of the tremendous investings by the automotive industry. In Europe, ABB Robotics and KUKA Robotics brought automatons to the market in 1973. ABB Robotics introduced IRB 6, it was become the first commercially operator which controlled all electric by micro-processor in the universe. The first two IRB 6 automatons were installed in production for crunching and smoothing pipe decompression sicknesss in 1974. In 1973 KUKA Robotics built its first automaton, FAMULUS, besides one of the first articulated automatons have driven six electromechanically axes. In US, many US companies entered the field, including elephantine companies such as General Electric, and General Motors ( a joint venture formed by General Motors and FANUC LTD of Japan called FANUC Robotics ) . Other companies besides started robotics concern such as Automatix and Adept Technology, Inc. In 1984, Unimation was acquired by Westinghouse Electric Corporati on for 107 million U.S. dollars. After that Westinghouse sold Unimation to Staubli Faverges SCA of France in 1988, which is still doing articulated automatons for general industrial and cleanroom applications and even bought the robotic division of Bosch in late 2004. Hardware and Software During this thesis, three package ( RecurDyn, SolidWorks, Matlab ) have been used to work out this thesis assignment. Dynamixel servo motor besides was used for experimental intents. RecurDyn V8R2 RecurDyn is developed by FunctionBay, Inc. which is a professional CAE company and provides MultiBody Dynamics ( MBD ) . RecurAà Dyn is a modern CAE package suite which offers the alone combination of Multibody Dynamics, Finite Element Analysis and Controls. Dynamic Rigid and Flexible Body Analysis to the full integrated additive and nonlinear Finite Element Analysis supply item information of realistic theoretical accounts for design surveies and bettering merchandise public presentation. By utilizing FE mesh, RecurDyn can imitate overall gesture every bit good as local distortions, strains and emphasiss. RecurDyn CoLink, an incorporate signal flow oriented control design tool. It provides off-line simulation of mechatronic systems, traveling far beyond the classical Co-Simulation attack. If a elaborate Recurdyn multi flexible organic structure dynamic works theoretical account is used, the user can cut down the figure of cringles during the practical accountant parametric quantity optimisation procedure. In add-on, RecurDyn besides can link with Matlab/Simulink which has a batch of block libraries, plan linguistic communication tool, etc. for dynamic system. Last but non least, RecurDyn has supported a batch of CAD package which are used as the Parasolid Kernel plan. SolidWorks SolidWorks is really popular 3D mechanical computing machine aided design package which runs on Microsoft Windows. It is established by Dassault Systemes SolidWorks Corp. It used Parasolid Kernel attack to make theoretical accounts and assemblies. Presently, over 2 million applied scientists and interior decorator usage SolidWorks at more than 165000 companies in whole universe. Matlab MATLAB is a numerical computer science environment and fourth-generation scheduling linguistic communication including C, C++ , Java, and FORTRAN. Established and developed by MathWorks, MATLAB is good known for matrix uses, plotting of maps and informations, creative activity of user interfaces, and interfacing with plans written in other linguistic communications. You read "Design of Industrial Robots" in category "Essay examples" In add-on, Simulink is an add-on merchandise with block libraries, informations flow graphical plan linguistic communication tool for mold, simulation, and analysing multi-domain dynamic and embedded systems. Dynamixel DYNAMIXEL is a consecutive high public presentation networked actuators for automatons developed by ROBOTIS. DYNAMIXEL can be used for multi-joint robot systems such as robotic weaponries, robotic manus, bi-pedal automaton, hexapod automaton, snake automaton, kinematic art, animatronics and mechanization, etcâ⬠¦ DYNAMIXEL can be controlled utilizing Personal computer through USB2Dynamixel by many package such as Matlab, python, Microsoft Visual Studio ( C++ , C # ) , Visual Basic, Java, LabVIEW, occultation, ROS ( TTL/RS485/RS232 communicating ) . DYNAMIXEL besides can be controlled utilizing sole accountant such as CM-5 ( ATMega128 ) , CM-700 ( ATMega2561 ) , CM-510 ( ATMega2561 ) , CM-530 ( ARM Cortex M3 ) . img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.001.png"/ Fig1. Dynamixel servo motor Outline part Chapter 2. Background theory 2.1 Positions, Orientations, and Frames 2.1.1 Position In a co-ordinate system, any point can place with a 3Ãâ"1 place vector in the existence. The place of point P in co-ordinate system is ordered set of three Numberss. img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.002.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.003.png"/ Fig2. Vector comparative to border { A } 2.1.2 Orientation 2.1.2 Frames In robotics, the state of affairs of a place and an orientation brace arises so frequently is called a frame, which is a set of four vectors including one vector describes place and 3 vectors describe orientation. The base frame, { B } The base frame has place at the base of the automaton operator. It is appended to a unmoving portion of the automaton and frequently called link 0. img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.004.png"/ Fig3. The criterion frame The station frame, { S } The station frame has location in a task-relevant, in the figure above, it is at the corner of a tabular array which the automaton is to work, and all motions of the operator are implemented comparative to it. Sometimes, it is besides called as the existence frame, universe frame or the undertaking frame. The carpus frame, { W } The carpus frame { W } is fastened to the last nexus of the operator. { W } frequently has its beginning fixed at a point called the carpus of the operator, and { W } will travel with the last nexus of the operator. The tool frame, { T } The tool frame { T } is appended to the terminal of any tool the automaton happens to be keeping. { T } is normally located with its beginning between the fingertips of the automaton when the manus is empty. The end frame, { G } The end frame has location to which the automaton is to travel the tool. At the terminal of the gesture, the tool frame should be brought to happenstance with the end frame. Chapter 3 Operator Kinematicss Kinematicss is the scientific discipline of gesture including the place, the speed, the acceleration, and all higher order derived functions of the place variables. This chapter has 4th subdivisions: the Denavit-Hartenberg ( D-H ) parametric quantities, the forward kinematics, the opposite kinematics, the Jacobian. 3.1 Denavit-Hartenberg Any robot operator can be described kinematically by the values of four measures for each nexus. Two describe the nexus itself, and two describe the linkââ¬â¢s connexion to a adjacent nexus. The definition of mechanisms by 4th measures is a convention normally called the Denavit-Hartenberg notation. img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.005.png"/ Fig4. Description of D-H parametric quantities aI= the distance from ZIto Zi+1measured along TenI img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.006.png"= the angle from ZIto Zi+1measured about TenI vitamin DI= the distance from Teni-1to XImeasured along ZI img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.007.png"= the angle from Teni-1to XImeasured about ZI 3.2 Forward Kinematicss Forward kinematics is used to calculate the place and orientation of the tool frame from joint parametric quantities. The transmutation from frame { one } to border { i-1 } img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.008.png"( 3.1 ) The nexus transmutations is multiplied together to happen the individual transmutation that relates frame { N } to border { 0 } img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.009.png"( 3.2 ) 3.2.1 R-R operator forward kinematics Lengths of two links are L1 and L2. img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.010.png"/ Fig5. R-R nexus frame assignment Link I aI vitamin DI I 1 0 0 0 1 2 0 Liter1 0 2 Table1. D-H parametric quantities of R-R operator Computational transmutation matrices of each nexus img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.011.png"( 3.3 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.012.png"( 3.4 ) Therefore,img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.013.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.014.png"( 3.5 ) 3.2.2 R-R-R operator forward kinematics img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.015.png"/ Fig6. R-R-R operator parametric quantities I img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.016.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.017.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.018.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.019.png"/ 1 0 0 img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.020.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.021.png"/ 2 -90 0 0 img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.022.png"/ 3 0 img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.023.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.024.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.025.png"/ 4 -90 img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.026.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.027.png"/ 0 Table2. D-H parametric quantities of R-R operator Transformation matrix for each nexus: img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.028.png"( 3.6 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.029.png"( 3.7 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.030.png"( 3.8 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.031.png"( 3.9 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.032.png"( 3.10 ) The transmutation matriximg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.033.png"is gained by matrix generation of the single nexus matrices. At first,img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.034.png"is gained by multiplyingimg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.035.png"andimg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.036.png" img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.037.png"/ =img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.038.png"( 3.11 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.039.png"/ =img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.040.png"( 3.12 ) Finally img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.041.png"/ =img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.042.png"/ =img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.043.png"( 3.13 ) Here, img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.044.png"( 3.14 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.045.png"( 3.15 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.046.png"( 3.16 ) The matriximg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.047.png"establishes the kinematics of R-R-R automaton operator ; it expresses the relationship between frame { 4 } and frame { 0 } about place and orientation. 3.3 Inverse Kinematicss Inverse kinematics is survey of happening the needed articulation angles to put the tool frame, { T } , comparative to the station frame, { S } . The reverse kinematics job is well harder than the forward kinematics job. Unlike forward kinematics which ever exist solution, solution for reverse kinematics may non be. The being of a solution defines the workspace of a operator. If the exist solution, there can even be an infinite figure of solutions, for instant ââ¬Å"elbow upâ⬠and ââ¬Å"elbow downâ⬠solutions. 3.3.1 Using for R-R Transformation from frame { 2 } to border { 0 } is mentioned by forward kinematics. img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.048.png"/ In frame { 2 } , the co-ordinate of point P is [ L20 0 1 ] . In the frame { 0 } , the co-ordinate of point P is [ten Y0 1 ] . Therefore img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.049.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.050.png"( 3.17 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.051.png"( 3.18 ) Square booth equations so add them: img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.052.png"( 3.19 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.053.png"( 3.20 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.054.png"( 3.21 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.055.png"( 3.22 ) Writingten, Yin the signifier img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.056.png"( 3.23 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.057.png"( 3.24 ) Where img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.058.png"( 3.25 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.059.png"( 3.26 ) If img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.060.png"( 3.27 ) And img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.061.png"( 3.28 ) Then img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.062.png"( 3.29 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.063.png"( 3.30 ) Equation ( 3.23 ) and ( 3.24 ) can be written as img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.064.png"( 3.31 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.065.png"( 3.32 ) So img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.066.png"( 3.33 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.067.png"( 3.34 ) Therefore, img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.068.png"( 3.35 ) Finally, equation for?1 img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.069.png"( 3.36 ) See equation ( 3.22 ) , minus or plus gestural corresponds positions of R-R operator. In this state of affairs, ââ¬Å"elbow upâ⬠and ââ¬Å"elbow downâ⬠are mentioned. img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.070.jpg"/ Fig7. Two positions of R-R operator 3.3.1 Using for R-R-R From forward kinematics of R-R-R operator img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.041.png"/ So, img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.071.png"( 3.37 ) From equation ( 3.6 ) , Inverting matriximg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.072.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.073.png"( 3.38 ) Substitute in ( 3.37 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.074.png"( 3.39 ) So, img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.075.png"( 3.40 ) See about trigonometric permutations img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.076.png"( 3.41 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.077.png"( 3.42 ) Where img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.078.png"( 3.43 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.079.png"( 3.44 ) Using ( 3.41 ) and ( 3.42 ) , equation ( 3.40 ) can be written as img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.080.png"( 3.45 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.081.png"( 3.46 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.082.png"( 3.47 ) So img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.083.png"( 3.48 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.084.png"( 3.49 ) Finally, the solution forimg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.085.png": img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.086.png"( 3.50 ) See elements ( 1,4 ) and ( 3,4 ) of the matrix in the right-hand of equation ( 3.39 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.087.png"( 3.51 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.088.png"( 3.52 ) Square both ( 3.51 ) and ( 3.52 ) so add the resulting equations img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.089.png"( 3.53 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.090.png"( 3.54 ) Or img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.091.png"( 3.55 ) Where img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.092.png"( 3.56 ) Equation ( 3.55 ) is of the same signifier as ( 3.40 ) so can be solved by the same method. Therefore, solution forimg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.093.png"is: img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.094.png"( 3.57 ) So find solution forimg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.095.png", consider: img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.096.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.097.png"( 3.58 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.098.png"( 3.59 ) Comparing both the ( 1,4 ) and ( 2,4 ) elements of matrix in right-hand of ( 3.59 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.099.png"( 3.60 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.100.png"( 3.61 ) These equations can be solved at the same time forimg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.101.png"andimg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.102.png" img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.103.png"( 3.62 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.104.png"( 3.63 ) From equation ( 3.62 ) and ( 3.63 ) , img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.105.png"( 3.64 ) Becauseimg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.106.png", therefore the concluding solution forimg alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.107.png"is: img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.108.png"( 3.65 ) The subtraction or plus mark in ( 3.50 ) and ( 3.57 ) do four possible position of operator. img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.109.png"/ Fig8. Fourth positions of R-R-R operator 3.4 Jacobians Relationship between the joint speed and the Cartesian speed is determined Jacobian img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.110.png"/ WhereVis a speed vector in Cartesian and ? is the vector of joint angles, J ( ? ) is Jacobian. The Jacobian has figure of rows is peers the figure of grade of freedom in the Cartesian infinite, and figure of columns is equal the figure of joint. For case, a general automaton with six articulations, The Jacobian is matrix of 6Ãâ"6,img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.111.png"is 6Ãâ"1, and Cartesian speedVis 6x1with 3Ãâ"1 additive speed vector and 3Ãâ"1 rotational speed vector. Example for R-R operator theoretical account The Jacobian can be written a 2Ãâ"2 matrix which relates joint speed to end-effector speed. The location of point P ( end-effector ) is (ten, Y) so, from equation ( 3.17 ) and ( 3.18 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.112.png"( 3.66 ) Derivative ( 3.66 ) img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.113.png"( 3.67 ) Or img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.114.png"( 3.68 ) So, the Jacobian in frame { 0 } is img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.115.png"( 3.69 ) Other progress of Jacobian is invertible. From ( 3.70 ) , joint rate can be calculated with a certain speed vector in Cartesian co-ordinate. Note that most operators will hold values of ? where the Jacobian turns into singular. img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/0919186.116.png"( 3.70 ) Chapter 4 Manipulator Dynamics In this chapter, equations of gesture for operator with torsions applied by actuators or external forces applied to the operator are mentioned. Chpater 5 Trajectory and Control Mentions [ 1 ] John J. Craig, 2005, Introduction to Robotics Mechanics and Control, 3rded. , Pearson Education, Inc. [ 2 ] Ahmed A. Shabana, 2005, Dynamics of Multibody Systems, 3rded. , Cambridge University Press. [ 3 ] Reza N. Jazar, 2010, Theory of Applied Robotics Kinematics, Dynamics, and Control, 2neodymiumed. , Springer. [ 4 ] RECURDYN, 2012, RecurDyn/ Solver Theoretical Manual, 8Thursdayed. , FunctionBay, Inc. [ 5 ] Frank L.Lewis, Darren M.Dawson, Chaouki T.Abdallah, 2004, Robot Manipulator Control Theory and Practice, 2neodymiumed. , Marcel Dekker, Inc. [ 6 ] Wikipedia How to cite Design of Industrial Robots, Essay examples
Tuesday, April 28, 2020
Lilian Fadermans Queer
Lilian Fadermanââ¬â¢s main argument centered on the thesis that some members of the gay and lesbian community ââ¬Å"have realized the political power that is inherent in renaming oneself, and the effectiveness of taking a word and diffusing its sting through claiming it as your ownâ⬠(Faderman, 2004, p.543). She was referring to the word ââ¬Å"queerâ⬠and how it had evolved as a pejorative term hurled at gays and lesbians to a term that was accepted by the gay and lesbian community.Advertising We will write a custom essay sample on Lilian Fadermanââ¬â¢s Queer specifically for you for only $16.05 $11/page Learn More The first time Faderman heard the word queer, she was still in elementary school. She did not know its meaning. But when she embraced the lesbian lifestyle, she learned to hate the significance of this word in her life. The reason of her annoyance is linked to the fact that ââ¬Å"queerâ⬠was a term used as an insult. Sh e was also offended because the word had nonsexual connotations that exemplified concepts related to the terms weird, eccentric and suspicious. The gay and lesbian community was not the first to use this strategy. Faderman acknowledged the fact that it was the African-American community who first utilized this tactic when they adopted the term ââ¬Å"blackâ⬠and coined slogans to diffuse the negative impact of the above mentioned word. A good example of the slogan was a phrase ââ¬Å"Black is beautiful.â⬠Faderman added that by using this stratagem, the aggrieved party was able to take the power of the pejorative term to hurt and transform it into a mechanism used to heal wounded feelings and injured pride. Faderman also pointed out that the lesbian and gay communities were not limited to the word queer when it came to the need to transform the meaning of a derogatory word. In the past, there were other labels that gay and lesbian attempted to redefine and finally succeede d to do. However, Faderman said that even if many claimed victory in this subject matter, it must have been made clear that there were other members of the gay and lesbian community who objected to the use of the term. The impact of the word created a discomfort within them, and they argued that they still considered the term as an insult to themselves and their identity. Faderman, however, made the testimony that for those who embraced the word queer, the reaction could be divided into two different groups. The first group reacted in a way that resulted in lessening the impact of the pejorative term. The second group, on the other hand, used the term as a battle cry.Advertising Looking for essay on social sciences? Let's see if we can help you! Get your first paper with 15% OFF Learn More With regards to the second group, they created a new community with an advocacy. They named their organization Queer Nation. It was reminiscent of the radical militant tactics of the 1960s. Representatives of the second group argued that there was a need to replace the term gay. In the past, the word gay was used as defiant label, but today, its meaning and connotation have changed to suggest that the term exclude blacks, poor people and women. Faderman ended the article by saying that the new term became a fighting word. The intended effect is not only to mitigate the negative impact of the pejorative word. In some quarters, the word queer was not just a battle cry but became a word of pride and a warning to heterosexuals that members of the gay and lesbian community are not going to compromise what they believe in. Reference Faderman, L. (2004). Exploring language. PA: Pennsylvania State University Press. This essay on Lilian Fadermanââ¬â¢s Queer was written and submitted by user Bruno Ward to help you with your own studies. You are free to use it for research and reference purposes in order to write your own paper; however, you must cite it accordingly. You can donate your paper here.
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