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Unformatted text preview: Introduction to Control Systems Plant a piece of equipment to perform a particular operation. Process any operation to be controlled. Systems - a system is a combination of components that act together and perform a certain objective. Feedback control is an operation which, in the presence of disturbances, tends to reduce the difference between the output of a system and the reference input (i.e., minimize the error). C. S. George Lee () Introduction to Control Systems January 11, 2010 19 / 26 Introduction to Control Systems Feedback control system is one which tends to maintain a prescribed relationship between the output and the reference input by comparing these and using the difference as a means of control. Servomechanism is a feedback control system in which the output is some mechanical position, velocity, or acceleration. A feedback control system uses the error (input - output) to actuate the plant such that the plant will behave as desired....
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- Spring '08