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Robust tracking control of TS fuzzy systems based on fuzzy Lyapunov approach

Robust tracking control of TS fuzzy systems based on fuzzy Lyapunov approach,Euiyoung Kim,Dongyeop Kang,Sangchul Won

Robust tracking control of TS fuzzy systems based on fuzzy Lyapunov approach  
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This paper addresses the problem of robust tracking control for nonlinear systems with external disturbances. The nonlinear system is represented by the discrete-time Takagi-Sugeno (T-S) fuzzy model. The control scheme is based on Hinfin performance to attenuate the tracking error as small as possible for the external disturbances. The stability of the whole closed-loop model is investigated using the fuzzy Lyapunov function. Sufficient conditions are derived in terms of a set of bilinear matrix inequalities (BMIs). The key point of the proposed approaches is to apply the fuzzy Lyapunov function in the discrete-time robust tracking control problems. The simulation results show the effectiveness of the proposed method.
Published in 2009.
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