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TECHNICAL BRIEFS

A Self-Tuning Fuzzy Controller With Switching Control Modes

[+] Author and Article Information
C. Batur, V. S. Kasparian

Department of Mechanical Engineering, The University of Akron, Akron, OH 44325-3903

J. Dyn. Sys., Meas., Control 116(4), 795-800 (Dec 01, 1994) (6 pages) doi:10.1115/1.2899282 History: Received May 08, 1989; Online March 17, 2008

Abstract

A fuzzy controller that adjusts its structure in relation to changes in system or disturbance dynamics is proposed. The controller output membership functions are tuned for optimum performance. The tuning is implemented by a control supervisor that makes its decisions depending on the reliability of the current process model. If the model is reliable, the prediction error is used to tune the controller, otherwise, the tuning is realized by a measure of past performance. To prove the feasibility of the controller, the proposed technique is applied to the speed control of a DC motor.

Copyright © 1994 by The American Society of Mechanical Engineers
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