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LMI-Based Intelligent Digital Redesign for Multirate Sampled-Data Fuzzy Systems

김도완    (Yonsei University   ); 주영훈    (Kunsan University   ); 박진배    (Yonsei University  );
  • 초록

    This paper presents a new linear-matrix-inequality-based intelligent digital redesign (LMI-based IDR) technique to match the states of the analog and the digital T-S fuzzy control systems at the intersampling instants as well as the sampling ones. The main features of the proposed technique are: 1) the affine control scheme is employed to increase the degree of freedom; 2) the fuzzy-model-based periodic control is employed, and the control input is changed n times during one sampling period; 3) The proposed IDR technique is based on the approximately discretized version of the T-S fuzzy system, but its discretization error vanishes as n approaches the infinity. 4) some sufficient conditions involved in the state matching and the stability of the closed-loop discrete-time system can be formulated in the LMIs format.


  • 주제어

    Intelligent digital redesign (IDR) .   fuzzy-model-based control .   digital control .   fuzzy system.  

  • 참고문헌 (19)

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