Integrated fault estimation and accommodation design for discrete-time Takagi-Sugeno fuzzy systems with actuator faults

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Jiang, Bin, Zhang, Ke and Shi, Peng (2011) Integrated fault estimation and accommodation design for discrete-time Takagi-Sugeno fuzzy systems with actuator faults. IEEE Transactions on Fuzzy Systems, 19 (2). pp. 291-304. ISSN 1063-6706

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.

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Item type Article
URI https://vuir.vu.edu.au/id/eprint/7208
DOI 10.1109/TFUZZ.2010.2095861
Official URL http://dx.doi.org/10.1109/TFUZZ.2010.2095861
Subjects Historical > Faculty/School/Research Centre/Department > Institute for Logistics and Supply Chain Management (ILSCM)
Historical > FOR Classification > 0906 Electrical and Electronic Engineering
Historical > SEO Classification > 970108 Expanding Knowledge in the Information and Computing Sciences
Keywords ResPubID21749, terms—discrete-time systems, fault accommodation, fault estimation (FE), Takagi–Sugeno (T–S) fuzzy models
Citations in Scopus 188 - View on Scopus
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