Integrated Fault Estimation and Accommodation Design for Discrete-Time Takagi-Sugeno Fuzzy Systems With Actuator Faults

被引:169
|
作者
Jiang, Bin [1 ]
Zhang, Ke [1 ]
Shi, Peng [2 ,3 ,4 ]
机构
[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Peoples R China
[2] Univ Glamorgan, Dept Comp & Math Sci, Pontypridd CF37 1DL, M Glam, Wales
[3] Victoria Univ, Sch Sci & Engn, Melbourne, Vic 8001, Australia
[4] Univ S Australia, Sch Math & Stat, Adelaide, SA 5095, Australia
基金
中国国家自然科学基金; 英国工程与自然科学研究理事会;
关键词
Discrete-time systems; fault accommodation; fault estimation (FE); Takagi-Sugeno (T-S) fuzzy models; QUADRATIC STABILIZATION; STABILITY ANALYSIS; NONLINEAR-SYSTEMS; POLE-PLACEMENT; FILTER DESIGN; OBSERVER; CONTROLLER; STATE; INPUT;
D O I
10.1109/TFUZZ.2010.2095861
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
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.
引用
收藏
页码:291 / 304
页数:14
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