EXPLAINING THE BASICS OF MOTION MN1205 TABLE OF CONTENTS TYPES OF MOTORS . . . . . . . . . . . . . . 3 OPEN LOOP/CLOSED LOOP . . . . . 9 WHAT IS A SERVO . . . . . . . . . . . . . . 11 COMPENSATION . . . . . . . . . . . . . . . 13 TYPES OF CONTROLS . . . . . . . . . . . 15 TYPES OF FEEDBACK DEVICES . 17 TYPES OF ACTUATORS . . . . . . . . . . 22 Page 2 Servo Control Facts TYPES OF MOTORS The direct current (DC) motor is one of the first machines devised to convert electrical energy to
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Earvin “Magic” Johnson Born Earvin Johnson Jr. on August 14‚ 1959‚ in Lansing‚ Michigan‚ Magic Johnson dominated the court as one of America’s best basketball players for 12 years. He retired from the LA Lakers in 1991 after revealing that he had the AIDS virus. He has since then built up a business empire‚ which includes real estate holdings‚ several Starbucks franchises‚ and movie theaters. He is also an author and has written several books including this autobiography titled “Magic.” I was
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Samuel Johnson was a well-known eighteenth century writer‚ and poet who published one of the first dictionaries of the English language. What he wrote a few hundred years ago in this piece still holds true today‚ though even a fluent-English-speaking individual may have difficulty understanding it. Johnson argues that it’s man’s nature to search for power throughout life. We earn honor from either success or failure of our goals in life. No matter how small the goal may be‚ man will strive to accomplish
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Hazel Johnson also known as the mother of the Environmental Justice Movement. Johnson‚ a South Side environmental activist who fought Chicago housing officials on asbestos‚ blasted corporate polluters and rallied residents to protest contamination. Mrs.Johnson‚ a longtime resident of Chicago’s Altgeld Gardens public housing development‚ was spurred into environmental activism after her husband‚ John‚ died of lung cancer in 1969. In the late 1970s and early 1980s‚ she hit the streets and began documenting
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The American fashion designer Betsey Johnson was born August 10th‚ 1942 in Wethersfield‚ Connecticut. Ever since birth Betsey has been a fashion designer in the making. As a child Betsey was enrolled in many dance classes‚ which is were she has gotten her inspiration and love for costumes. “I am basically about a ballerina torso and a full skirt‚” she told a reporter for the Soho News in 1982‚ “a dancing school dress-up craziness.” Betsey’s successful because she is truly one of a kind. A few
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Johnson once said “Peace is a journey of a thousand miles and it must be taken one step at a time”. Johnson was a president who had his own priorities and the priorities of others in his mind at all times. The war for civil rights was at its peak and before the election Johnson was noticeably against civil rights until one day he changed his mind. What forced Johnson to change his mind about civil rights‚ and why did he sign the civil rights act of 1964? Did Johnson have any personal motives for
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Ben Johnson‚ a Canadian sprinter was once considered the fastest man on earth. He had an Olympic gold medal and held the 100 metre world record of 9.79 seconds to prove it. However‚ after being found using illegal performance-enhancing drugs‚ he was stripped of all his sporting successes and suspended from competing. In Rome of 1987‚ Ben Johnson set four indoor world records and won the outdoor World Championships. Johnson was expected to win gold in the 100 metres at the Seoul Olympics in Korea
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to best design and operate a system‚ usually under conditions requiring the allocation of scarce resources. By a system‚ we mean an organization of interdependent components that work together to accomplish the goal of the system. For example‚ Ford Motor Company is a system whose goal consists of maximizing the profit that can be earned by producing quality vehicles. The term operations research was coined during World War II when British military leaders asked scientists and engineers to analyze several
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What is Stevens Johnson Syndrome? Stevens-Johnson Syndrome is a potentially deadly skin disease that usually results from a drug reaction. Another form of the disease is called Toxic Epidermal Necrolysis‚ and again this usually results from a drug-related reaction. Both forms of the disease can be deadly as well as very painful and distressing. In most cases‚ these disorders are caused by a reaction to a drug‚ and one drug that has come under fire lately is the cox-2 inhibitor Bextra‚ which is already
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Johnson Controls Capital Investments Suggest a methodology to supplement the traditional methods for evaluating the capital investments of Johnson Controls in the emerging markets to reduce risk providing a rationale of how risk will be reduced. Johnson Controls‚ Inc. (JCI) was founded in 1885 by Warren Johnson‚ who was the inventor of the first electric room thermostat. This company was based out of Milwaukee‚ Wisconsin and is now a global leader in the building and automotive industries.
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