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Design of an Unmatching Observer-Based Controller for Discrete-Time Fuzzy Systems with Time Delay

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  • Zejian Zhang
  • Dawei Wang

Abstract

The problem of an unmatching observer-based controller design for discrete-time fuzzy systems with time delay is investigated, in which the fuzzy controller shares different membership functions from the fuzzy model. The objective is to design a state observer and unmatching fuzzy controller such that the discrete closed-loop system with time delay is asymptotically stable. A sufficient condition that contains the information of the membership functions of fuzzy model and fuzzy controller for the stabilization via an unmatching observer-based output feedback is presented. The proposed control scheme is well capable of enhancing the design flexibility, and the stability condition is less conservative. Three numerical examples are given to illustrate the effectiveness and advantages of the proposed method.

Suggested Citation

  • Zejian Zhang & Dawei Wang, 2020. "Design of an Unmatching Observer-Based Controller for Discrete-Time Fuzzy Systems with Time Delay," Discrete Dynamics in Nature and Society, Hindawi, vol. 2020, pages 1-11, August.
    • Handle: RePEc:hin:jnddns:5870895
    DOI: 10.1155/2020/5870895
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