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Type: Journal article
Title: A novel observer-based output feedback controller design for discrete-time fuzzy systems
Author: Zhang, J.
Shi, P.
Qiu, J.
Nguang, S.
Citation: IEEE Transactions on Fuzzy Systems, 2015; 23(1):223-229
Publisher: IEEE
Issue Date: 2015
ISSN: 1063-6706
Statement of
Jinhui Zhang, Peng Shi, Jiqing Qiu, and Sing Kiong Nguang
Abstract: This paper addresses the problem of observer-based output feedback controller designs for discrete-time T–S fuzzy systems based on a relaxed approach in which the fuzzy Lyapunov functions are used. Different from the existing two-step method, a single-step linear matrix inequality method is provided for the observer-based controller design. It is shown that the controller and observer parameters can be obtained by solving a set of strict linear matrix inequalities that are numerically feasible with commercially available software. The new design method not only overcomes the drawback induced by the two-step approach but also provides less conservative results over some existing results. Finally, the effectiveness of the proposed approach is demonstrated by an example.
Keywords: Asymptotic stability; observer-based control; Takagi–Sugeno (T–S) fuzzy model
Rights: © 2014 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.
DOI: 10.1109/TFUZZ.2014.2306953
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Electrical and Electronic Engineering publications

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