The reason why celebrities famous 1 Essay Example | Topics and Well Written Essays - 250 words

The reason why celebrities famous 1 - Essay Example Previously, fame was only achieved by those from royal families like Prince Charles. Research also point out that, talent and heroism was also a way of achieving the top visibility. Captain Sully Sullenberger is one of the famous heroes admired globally for landing a plane safely on the river. Celebrities also become famous by regularly appearing in public. Talent and skills are to the main aspects that drive their fame to such people. Study reveals that such approach is known as attributed celebrity. Some of the people who have become famous using such approach are Paris Hilton. She has neither talent nor skills, but she is famous. They use social media, magazines and TV shows to spread any information about their life and so they become famous. Others who have been on the public eye earlier engage on activities that make them increase their visibility. David Beckham is a well-known celebrity who has increased his fame by participating on programs that make them more famous. However, some have tried to take shortcut or do something extraordinary to become famous. Study talks about a 6-year-old boy who was thought to have floated on air balloon. Later he was found inside the garage, the authorities realized it was makeup case to make the family famous. In conclusion, fame or attention is that entire human race is trying to achieve at all cost. In addition, the study reveals that previous aspects such as talent and skills are not the only ways of achieving fame. People have devised other ways such as gossiping on social

DC Motor Speed Control

DC Motor Speed Control Abstract The point of this paper is to comprehend the attributes of open loop and close loop speed control for a DC engine. It additionally intends to demonstrate the properties of a PID Controller. Introduction Open loop and close loop control are two unique sorts of controlling the speed of the engine we constructed. These two sorts of control each have positive points and negative points, which we will attempt to research all through this paper. Most importantly, an open loop system works regardless of the output of the function. In restriction, a close loop control system react depending on the input and output values. Utilizing an Arduino microcontroller, we will run tests on this motor by changing some variables. This permits us to concentrate data about the responses of the control system. P, D and I remain for: proportional gain, integral gain and derivative gain. Their particular elements show up in the following section. Theory The transfer function of a first order system is given by the equation: :. Knowing that (k/a) the final value in RPM, and that the time constant is   1à ¢Ã‚ Ã¢â‚¬Å¾a. The transfer functions of the system can then be determined. In principle, corresponding, integral and derivative gain cooperate with a specific end goal to keep up the output to a set value. The corresponding gain applies an exertion that is relative to how far the value is from the set esteem. In any case, the nearer the set and value are the less exertion it applies on the system. The basic pick ups part is to try and out the time spent on each side of the set point. Last, the derivative gain controls the overshoot and goes about as a dampener when the value changes violently. Results Open loop test Fig 1: Open loop test 1 Fig 2: Test 2 time series plot Fig 3: Test 3 time series plot Fig 11: Simulink model of open-loop system The realistic information demonstrates a delay of 0.1s and the time taken to achieve 63% of the last esteem is 0.5s for each test. So the time steady is 0.4s for each test. At that point the transfer function of each of these system can be resolved:    ,   , . When rescaled to RPM units, these transfer functions are all equal to: Toward the finish of this section, one noteworthy weakness of open loop control system shows up. The open loop system doesnt take a gander at the output value, so it cant correct itself. Despite the fact that the system works, it depends for the most part on the clients involvement to conform the PID controls to the correct qualities to acquire the best outcomes. The proportionnal gain role is to direct the final value that the system comes to (the higher the gain, the nearer to the set value the systeme will be). Closed loop system test In the test where kp=1 that appeares on figure 4, the set point was 1000 RPM. Not surprisingly for this low estimation of the proportionnal gain, the last value is just around 4000 RPM. So we will increse the Kp to see what it does to the system. At the point when the estimation of kp expands, the exactness of the system get higher. On figure 4 the red bend demonstrates the outcomes for kp=2, the last RPM esteem has expanded to 6000 with an overshoot to 8000. Figure 4 obviously demonstrates that the greater kp is, the nearer the last esteem is from the coveted set point. Expanding the estimation of the proportionnal gain enhances the precision of the close loop system. The system begins to sway unmistakably for a proportionnal pick up estimation of 15, with a time of around 0.5 seconds (reference: figure 4, kp=15). On figure 5, the system seems to stabilize at 1 second and then reaches the set point value of 10000 RPM a around 8 seconds. Lets try to understand what is the relationship between the Kp and the Ki. On figure 6, the system goes into overshoot before backpedaling to the fancied estimation of 10000 RPM. The framework takes roughly 2 seconds to settle to its last value. Figure 7 demonstrates se reaction of thew motor with kp set to 1 and ki set to 10. It is recognizable that for a higher ki value, the reaction (in RPM) is swaying around the chosen value (10000 RPM for this situation), expanding its exactness with each period. On the off chance that ki is expanded to a higher value, the oscillation dont enhance in exactness as observed on figure 8. After around 5 seconds, the Dc motor has balanced out; At this point, the card touches the flywheel (see figure 10). The reaction is prompt, and the system tries to remunerate the loss of RPM has returned to the sought estimation of 10000, which it settles again around 7 seconds after the card touched the framework. This test demonstrates the fundamental favorable position of a close loop system, which is that if the output is changed, the input changes likewise to go back to the initial value. these tests comprehended the parts of every PID control. By tweaking the numbers, it is conceivable to streamline the framework so that the reaction has a negligible overshoot and in addition the speediest settling time conceivable. By abusing the outcomes, unmistakably a shut circle control framework is the best for this circumstance. Figure 12 demonstrates the best outcome acquired in the lab for set estimations of the PID controller As it shows on figure 12, expanding the estimation of the derivative gain keeps the system from overshooting. With this estimation of the proportional gain, the DC motor can settle rapidly (in around 1.5 seconds) around the estimation of 10000 RPM. To further build the exactness of the motor, the integral gain was set to 1.4. This empowers the system to make little oscillation around 10000 RPM without losing any exactness. Planning a PI controller in like manner to this table brought about a system that has great attributes: little overshoot, quickly revised, quick settling time and just a small error on the last estimation of the system.This table is exceptionally helpful with regards to designing the motor. Be that as it may, outlining a PID controller with this table is trickier as the derivative gain affects the way the system carries on. It can dampen the motor excessively, or take a little unsettling influence for a major issue and the system wont be as productive. The key is not to utilize a lot of the derivative. Conclusion In conclusion, the less complex outline of the open loop system makes it simple and modest to make, all things considered. Notwithstanding, the way that open loop system dont adjust to unsettling influences in the output is a noteworthy disadvantage. The adequacy of these system depends on the qualities picked by the user for for proportional, integral and derivative gains. close loop system are vastly improved at keeping up a desired target, for this situation the speed of the engine. By tweaking the estimations of every parameter of a PID controller, it is for all intents to make the system do precisely what it is intended to.However, the three type og gain must be set for each exact system, which makes outlining the close loop system more complex to do. References Document on moodle Open loop systems http://www.electronics-tutorials.ws/systems/open-loop-system.html Understanding D in PID control http://www.controleng.com/search/search-single-display/understanding-derivative-in-pid-control/4ea87c406e.html electrical4u, 2013. Speed Control of DC Motor. [ONLINE] Available at: http://www.electrical4u.com/speed-control-of-dc-motor/. [Accessed 9 February 2017]. Bishop, R.H. and Richard C. (Richard Carl) Dorf (1998) Modern control systems. Available at: https://capitadiscovery.co.uk/greenwich-ac/items/337549?query=Modern+control+systemsresultsUri=items%3Fquery%3DModern%2Bcontrol%2Bsystems (Accessed: 17 February 2017).

Television and Newspaper Coverage of 9/11 :: Papers

Television and Newspaper Coverage of 9/11 This case study will be analysing television news coverage for 11/9/01 and 11/9/02 and newspaper coverage for the same dates. I will start by analysing the newspaper coverage for 11/9/01 and 11/9/02. I looked at five newspapers from 11/9/01, three of which were tabloids, and two of which were broadsheet newspapers. I noticed that each newspaper used visual imperatives overtly throughout. The photographs were powerful, mostly of the twin towers before and after they had been hit, with smoke and fire all around, people jumping out of the towers, and all the debris. The photographs on the front covers were very colourful and filled the whole page, even on the broadsheets, which is not the usual format. Some even used photographs on the back cover, which is usually meant for sport. Use of the images were very effective, as they were dramatic photographs showing the realisation of what had happened. "The Mirror" did not use an image of the towers on the front cover, which was unusual. Instead, it used a small image of the president of the USA, and the word "war" dominating the rest of the page. This was very effective as all the other newspapers looked the same, and this one stood out from them all, yet still had an impact from the word "war". Images throughout the newspapers were very emotionally dramatic and eye-catching. The headlines were brief, blunt and got straight to the point. They did this by using striking words such as apocalypse, nightmare, and war. By using these headlines they expressed to the readers the seriousness of what had happened. There were also supplements that came with the newspapers which were mainly photographs and images, with very little text. Similarly newspaper coverage of 11/9/02, a year on from the event, used the same images, but also used images from after the attack. This was effective as it brought back memories and emotions from the year before. Strong headlines were used again, but this time they were

Analysis of company history development & growth

Arthur W. Perdue†s quest for excellence in the poultry business began in 1917. Perdue started his company as a table-egg poultry farm. He slowly expanded his egg market by adding a new chicken coop every year. Arthur†s son Frank joined the family business in 1939 after leaving school at the end of his the second year. In 1950 Frank took over leadership of Perdue Farms, which had over 40 employees at the time. During the 1970†³s Perdue entered into new markets in Boston and Philadelphia and also opened a new processing plant in North Carolina. Shortly after this, in 1977 Arthur Perdue died, leaving behind a business who†s annual growth rate was 17 percent compared to the industry average of 1 percent. Arthur†s son Frank was left behind to take over the business. Frank Perdue without a hint of self-deprecation stated that â€Å"I am a B-minus student. I know how smart I am. I know a B-minus is not as good as an A-said of his father simply†, â€Å"I learned everything from him† (Hill & Jones, 208). During the 1980†³s and 1990†³s Perdue Farms diversified and expanded its market further down to other eastern coast states and southern states. By 1994, revenues were around 1.5 Billion a year. To add to this number Perdue purchased the twelfth largest poultry producer in the United States with about 8,000 employees and revenues of approximately $550,000 a year. Internal analysis of strengths and weaknesses – Maintain an environmentally friendly workplace – Represent the total quality management slogan – Largest poultry producer in the northeast – Second largest producer in the United States – Involved in every aspect of the business External analysis of opportunities and threats – Produce roasted Chicken and Chicken parts Risk of entry by potential competitors The risk of entry from potential competitors is low, due to the barriers of entry. The barriers of entry are high, traceable to the cost of starting the business and what it costs to remain successful. Perdue also has a cost advantage over potential new entrants that is credited to superior production operations. Perdue has control of their inputs required for production, such as labor, materials, equipment, or management skills. Between the existing companies rivalry is strong. There is no significant price competition because of the over capacity in the broiler industry. Buyers (consumers) have a great deal of bargaining power because the buyer has a variety of brands to choose from and a lot of options to choose from such as precook, fresh, roasted and boneless. Perdue Farms supplies all of its own inputs, and they have established relationships with the distribution retailers. The substitute products for the broiler industry are pork, beef, and seafood. These items hold a real threat to the broiler industry. Perdue is in a very good competitive position. It has gained recognition for becoming one of the top broiler companies in the nation. One strength of Pedrue it that they own their own trucking fleet which they can distribute their own product. A main strength of Perdue Farms is that they refuse to let their product be shipped frozen. Perdue says that if the poultry is shipped frozen, it will loose flavor and moistness when cooked. This strength can result into brand loyalty, because when customers see the name Perdue, they know that the product is fresh not frozen. Another strength is that Perdue leads the industry in quality. To ensure that Perdue continues to lead the industry in quality, it buys about 2,000 pounds of competitors† products a week. Inspection associates grade these products and the information is shared with the highest levels of management (Hill & Jones, 1998). Perdue†s company policy is taught to all associates in quality training. Perdue has one weakness at this time. Perdue has rode down the experience curve and changed all of its other weaknesses into positives. For example, In the 1980†³s Perdue decentralized and formed separate business divisions. Soon after this was done, chicken sales leveled off. At on point the firm was losing as much as $1 million a week and, in 1988, Perdue Farms experienced its first year in the red (Hill & Jones, 1998). Perdue learned from this and quickly changed back to centralized. Currently, Perdue has the opportunity to produce other kinds of meat such as beef or pork. This opportunity could soften the financial impact if the threat of overcapacity continue to haunt the broiler industry. Perdue Farms Mission –†Create a quality product, be aware of your customers, deal fairly with people, and work hard, work hard, work hard† (Hill & Jones, 1998). Perdue is a vertically integrated agribusiness (www.perdue.com). Perdue practices forward integration by moving downstream to distribution. Perdue owns it own trucking fleet by which they distributes it to the end users. Perdue also practices backward integration by formulating and manufacturing its own feed. By vertically integrating backward to gain control over the source of critical inputs or vertically integrating forward to gain control over distribution channels, a company can build barriers to new entry into its industry (Hill & Jones, 1998). The business level strategy of a company encompasses the overall competitive theme that a company chooses to stress. Perdue Farms business level strategy is considered to be differentiated. In the early 1980†³s Perdue diversified and broadened its market. Perdue did this by raising turkeys and production other meat products. Perdue distinctive competency is in premium quality products. Frank Perdue was convinced that higher profits could be made if Perdue†s products were premium quality so they could be sold at a premium price (Hill & Jones, 1998). This distinctive competency resulted in 1994 revenues around about 1.5 billion and net profits at $50 million. The philosophy at Perdue is quality and efficiency with emphasis on the first over the latter. To ensure that Perdue continues to lead the industry in quality, it buys about 2,000 pounds of competitors† products a week. Inspection associates grade these products and the information is shared with the highest levels of management (Hill & Jones, 1998). The structure and control at the function level is improved with efficiency. Efficiency is improved through management of details. At Perdue nothing goes to waste. To make sure this is true Perdue is involved in every aspect of the chicken business, from breading and hatching its own eggs to processing chicken feet and selling then to Asia as a barroom delicacy. These efforts were implemented through team management with a focused message coming from senior management.

Infancy and Early Childhood Development Paper – Week 2

Infancy and Early Childhood Development PSY/375 January 21, 2013 Infancy and Early Childhood Development During development from infancy to early childhood many changes take place. There are many factors that affect the development at each stage. Family dynamics can have a profound effect on how a child matures and develops as he or she grows older. There are three parenting styles brought forth by Diana Baumrind that influence development in a particular way. These styles are founded on four central dimensions (Berger, 2011, p. 273). Early childhood education has a significant role in cognitive development.The early years in a child’s life can influence the development of certain skills that allow a child build upon what he or she has already developmentally acquired. There are many aspects that influence a child’s development throughout life. Family Dynamics Affecting Early Childhood Development Family dynamics can have a vital role on the development of infants and y oung children. Children born into an abusive household stand a bigger risk of being affected developmentally than those born into a non-abusive family. Abuse can mean emotional or physical and abuse.Children emotionally abused can have a self-image issue where the individual may feel worthless and this can affect the way a child learns. Physical abuse can result in mental defects that can be associated with poor cognitive ability if the abuse were on or about the head of the child. Another way family can affect the development of infants and young children is through language. During infancy children learn by listening and mimicking what they observe. If a parent talks to his or her child or infant the infant is more likely to pick up on words and develop a speech pattern.It is said that most parents the world over are outstanding teachers (Berger, 2011, p. 172). Other theories regarding development of language in children come from the basis that humans are inherently social creatu res and rely on each other for happiness and the ability to survive. Infants are also thought to teach themselves. Berger  (2011)  stated, â€Å"Noam Chomsky (1968, 1980) and his followers felt that language is too complex to be mastered merely through step-by-step conditioning† (p. 174).LAD (language acquisition device) allows young children to obtain the guidelines of grammar faster and more successfully from speech heard each day, whether it is in their native language or another language. Parenting Styles Influence on Development Baumrind’s three styles of parenting include authoritarian, permissive and authoritative parenting. Authoritarian parenting means that the parents have the final word and their word is law. This means that the child obeys the parents’ instructions, requests and commands. Parents who have this type of parenting style might be considered unaffectionate toward the children.Authoritarian parenting teaches a child not to question aut hority and to follow orders. The next parenting style is permissive. Parents who use this style are often referred to as indulgent. This means that they often â€Å"give in† to their child’s wants and needs. Unlike the authoritarian style that can bring about stern penalties permissive parents use little discipline on their children. Permissive parents are encouraging and tolerant. The third style of parenting is known as authoritative. Authoritative parents have rules and guidelines in place for their children.Parents with this style of parenting are not afraid to enforce the rules and handout punishment that â€Å"fits the crime. † An authoritative parent is usually more willing to forgive a child than punish. This type of parent views him or herself as a parent and not an authority or a friend as in the first two styles of parenting (Berger, 2011). My Choice of Parenting Style The parenting style that I view as most effective is the authoritative parenting st yle. Authoritative parenting seems to be the middle ground between authoritarian and permissive.Whereas authoritative parents are usually ready to forgive, I believe that they are also willing to use discipline when needed. Authoritative parenting styles take a little of authoritarian and permissive and use it to benefit the child. This style that sets limits and also allows the child to have his or her voice heard that in turn lends to maturity. Being flexible and allowing the child to have his or her say can also teach children to respect each other as well as others. Authoritative parenting allows the children to make their own decisions because the rules and guidelines are set.The decision to abide by the rules or break the rules is completely up to the child. The authoritarian parenting style is too strict and structured while the permissive parenting style is too lenient. The middle ground would firmly be authoritative parenting by my views in the subject. Effects of Early Chi ldhood Education on Cognitive Development Early childhood education can have a profound effect on the cognitive development of a child. Early childhood education allows a foundation for children to add to and learn more throughout life.Early childhood education includes skills such as alphabet, numbers, beginning to read and recognize site words. There are many programs around set forth to improve a child’s cognitive development, some even run by our government. Children begin learning as soon as they are born and there are stages where important information can be taught to a child. It is important in early education that the children be stimulated and challenged. In early childhood development young children will go through stages where they will first need to feel secure, experience exploration.This occurs when the child becomes mobile (crawling or walking). Then, the child will want to develop a sense of identity and become more independent. The second stage is considered the preschooler years. This is the time when the child develops better motor skills and balance and also there is an increase in verbal acuity. The final stage occurs when the child hits the primary age group. Reasoning skills, problem-solving skills increase along with written communication develops quickly (Grisham-Brown,  2003-2009). ConclusionIn summation, family dynamics can affect the development of infants and young children in numerous ways. In many cases, depending on the status of a family can affect how well a child learns or comprehends information. The three parenting styles widely in use today are authoritarian; do not question the parents’ word. Permissive is where the parent is very indulgent toward the children and lacks any discipline. The third parenting style is authoritative; the parent is flexible but there are rules and guidelines set in place. Early childhood education is imperative to cognitive development.Early childhood education sets the groundw ork for the later years. Early education gives the children the tools so he or she can build upon the knowledge that was acquired early in life. Reference Berger, K. S. (2011). The developing person through the life span [University of Phoenix Custom Edition eBook]. New York, New York: Worth. Retrieved from University of Phoenix, PSY375 – Life span human development website. Grisham-Brown, J. (2003-2009). Education. com. 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