Department of Information and Library Science, Tamkang University Full-Time Faculty

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Seminar TitleNonlinear input mapping in fuzzy control systems

Year84

Semester1

Published date1995-10-01

Seminar NameNonlinear input mapping in fuzzy control systems

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All AuthorPerng, Chiy-Ferng;Lin, Sinn-Cheng;Chen, Yung-Yaw

The Unit Of The Conference淡江大學資訊與圖書館學系

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SummaryThe input scaling factors in a fuzzy control system are often used as a transformation from the real input data to the desired space. Sometimes, they are tuned for better performance just as the coefficients in a PID controller. Theoretically, they are constant and should be adjusted for better performance while the operating point is changed. In this paper, we suggest nonlinear mapping functions to substitute the role of input scaling factors. The results will show how the nonlinear mapping function work and the performance could be better by proper adjustment. It is also noticed that such mapping will change the shapes of the membership functions. That means we need not to tune every membership function of linguistic variables, and just to choose a proper nonlinear mapping function could reach the same effects. In this paper, we used a inverted pendulum system to verify the results.

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ProvenanceSystems, Man and Cybernetics, 1995. 'Intelligent Systems for the 21st Century'., IEEE International Conference on

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