Robust Controller Design of a Class of Uncertain Switched Fuzzy Systems with Delays |
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Authors: | JIANG Yu-dong |
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Affiliation: | College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China |
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Abstract: | The robust control problem for a class of uncertain switched fuzzy systems with delays is investigated. Firstly,the model of the switched fuzzy system is presented and the parallel distributed compensation( PDC) technology is employed to design fuzzy controllers. Then, based on the convex combination method, a sufficient condition for robust stabilization in terms of linear matrix inequalities( LMIs) is obtained and a switching law is presented.Meanwhile,the Lyapunov-Krasovskii functional is taken to deal with time varying delays. Moreover,an algorithm is applied to finding a solution for a group of convex combination coefficient. Finally,a numerical example is given to demonstrate the effectiveness of the proposed method. |
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Keywords: | switched fuzzy systems uncertainties delays robust control convex combination |
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