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Delay-Dependent Robust H_\infty Control for T–S Fuzzy Systems With Time Delay

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2 Author(s)
Bing Chen ; Dept. of Math., Bohai Univ., Jinzhou, China ; Xiaoping Liu

This paper focuses on the problem of delay-dependent robust fuzzy control for a class of nonlinear delay systems via state feedback. The Takagi–Sugeno (T–S) fuzzy model is adopted for representing a nonlinear system with time delayed state. A delay-dependent stabilization criterion is first presented. Then, the methods of robust stabilization and robust H_\infty control are developed, which are dependent on the size of the delay and are based on the solutions of linear matrix inequalities (LMIs). Finally, a design example of robust H_\infty controller for uncertain nonlinear systems is given to illustrate the effectiveness of the approaches proposed in this paper.

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Fuzzy Systems, IEEE Transactions on  (Volume:13 ,  Issue: 4 )