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Type: Journal article
Title: Integrated fault estimation and accommodation design for discrete-time Takagi-Sugeno fuzzy systems with actuator faults
Author: Jiang, B.
Zhang, K.
Shi, P.
Citation: IEEE Transactions on Fuzzy Systems, 2011; 19(2):291-304
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Issue Date: 2011
ISSN: 1063-6706
Statement of
Xiao-li Luan, Fei Liu, Peng Shi
Abstract: This paper addresses the problem of integrated robust fault estimation (FE) and accommodation for discrete-time Takagi-Sugeno (T-S) fuzzy systems. First, a multiconstrained reduced-order FE observer (RFEO) is proposed to achieve FE for discrete-time T-S fuzzy models with actuator faults. Based on the RFEO, a new fault estimator is constructed. Then, using the information of online FE, a new approach for fault accommodation based on fuzzy-dynamic output feedback is designed to compensate for the effect of faults by stabilizing the closed-loop systems. Moreover, the RFEO and the dynamic output feedback fault-tolerant controller are designed separately, such that their design parameters can be calculated readily. Simulation results are presented to illustrate our contributions.
Keywords: Markovian jump systems; finite-time boundedness; finite-time stabilization; transition probabilities
Rights: Copyright © 2011 by ASME
RMID: 0020128115
DOI: 10.1109/TFUZZ.2010.2095861
Appears in Collections:Electrical and Electronic Engineering publications

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