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"Engineers should press forward with development to meet the diversified needs of people."
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Harold ChestnutChestnuts early control work concerned stability issues in electric po — Harold Chestnut
"Chestnuts early control work concerned stability issues in electric power systems. The design and manufacturing of electric power system components - generators, transformers, motors, etc. was a major part of GEs activity then and now. During the Second World War Hal moved into aeronautics and ordinance divisions of the company and remained there until 1956. It was in the late 1940s that he wrote his first book. This pace-setting volume established his reputation as a leading figure in the international control community... Following retirement he concentrated on one of his long time passions in the control field - the potential for control concepts to provide insight into problems of international stability. It seems that his dedication to the use of control concepts in societal problems arose from his success in working with wary representatives from many countries to set up IFAC and with proud representatives from various US engineering societies to set up the AACC."
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Harold Chestnut
Harold Chestnut
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Harold (Hall) Chestnut was an American electrical engineer, control engineer and manager at General Electric and author, who helped establish the fields of control theory and systems engineering.
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"The term closed loop-learning process refers to the idea that one learns by determining what s desired and comparing what is actually taking place as measured at the process and feedback for comparison. The difference between what is desired and what is taking place provides an error indication which is used to develop a signal to the process being controlled."
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Harold ChestnutQuote
"A model may be pictorial, descriptive, qualitative, or generally approximate in nature, or it may be mathematical and quantitative in nature and reasonably precise."
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Harold ChestnutQuote
"Models are used essentially for evaluation and prediction purposes as well as for the analysis and study of the different parts of the system so that the systems engineer or designer may arrive at sound engineering decisions regarding the system design."
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Harold ChestnutQuote
"In addition to technical problems, systems also have organizational and logistical problems. Many different people may be involved over a wide physical or geographic coverage and over a long period of time. Many may work for different companies or organizations with different rules and methods of operating. Very many data and much knowledge are involved. The organizational problem concerns itself with the question of how all these people can work together most effectively for the common purpose."
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Harold ChestnutQuote
"Knowledge about the process being modeled starts fairly low, then increases as understanding is obtained and tapers off to a high value at the end."
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Harold Chestnut