Short Communication: Design of variable structure control for fuzzy nonlinear systems

Authors:
Tai-Zu Wu;Yau-Tarng Juang
Affiliations:
Department of Electrical Engineering, National Central University, Chung-Li 32001, Taiwan, ROC;Department of Electrical Engineering, National Central University, Chung-Li 32001, Taiwan, ROC
Venue:
Expert Systems with Applications: An International Journal
Year:
2008

Citing 10
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Abstract

In this paper, the variable structure control problem is presented for Takagi-Sugeno fuzzy systems with uncertainties and external disturbances. The sliding surfaces for the T-S fuzzy system are proposed by using a Lyapunov function and a fuzzy Lyapunov function, respectively. And we design the variable structure controllers such that the global T-S fuzzy system confined on the sliding surfaces is asymptotically stable. Two examples are given to illustrate the effectiveness of our proposed methods.