Robust controller for a class of uncertain switched fuzzy systems |
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Authors: | Yang Hong and Zhao Jun |
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Affiliation: | (1) School of Information Engineering, Shenyang University, Shenyang, 110044, China;(2) School of Information Science and Engineering, Northeastern University, Shenyang, 110004, China |
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Abstract: | A robustness control of uncertain switched fuzzy systems is presented. Using the switching technique and the Lyapunov function
method, a continuous state feedback controller is built to ensure that for all allowable uncertainties the relevant closed-loop
system is asymptotically stable. Furthermore, a switching strategy that achieves system global asymptotic stability of the
uncertain switched fuzzy system is given. In this model, each subsystem of the switched system is an uncertain fuzzy system,
and a common parallel distributed compensation controller is presented. The main condition is given in the form of convex
combinations which are more solvable. This method transforms a certain switched system and has strong robustness for various
system parameters. Simulations show the feasibility and the effectiveness of this method.
Translated from Journal of Northeastern University, 2006, 27(7): 713–715 译自: 东北大学学报 (自然科学版)] |
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Keywords: | switched systems fuzzy systems robust control asymptotic stability global model switching law |
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