Association Journal of CSIAM
Supervised by Ministry of Education of PRC
Sponsored by Xi'an Jiaotong University
ISSN 1005-3085  CN 61-1269/O1

Chinese Journal of Engineering Mathematics ›› 2015, Vol. 32 ›› Issue (2): 174-184.doi: 10.3969/j.issn.1005-3085.2015.02.002

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Fault-tolerant Output Feedback Control for a Class of Multiple Input Fuzzy Bilinear Systems

YU Yang,   WANG Wei   

  1. School of Electrical Engineering, Liaoning University of Technology, Jinzhou 121001
  • Received:2013-09-05 Accepted:2014-12-15 Online:2015-04-15 Published:2015-06-15
  • Supported by:
    The Scientific Research Fund of Education Department of Liaoning Province (L2013244). 

Abstract:

In this paper, a fuzzy fault-tolerant control approach is proposed for a class of multiple input fuzzy bilinear systems with unmeasurable states. First of all, a fuzzy detective observer is designed to detect the fault. Based on the developed detective observer, a fuzzy controller is proposed to guarantee the closed-loop system without faults is asymptotically stable. Then, a fuzzy adaptive diagnostic observer is developed to estimate the fault. Finally, the fault estimation is applied to fault accommodation and a fault-tolerant controller is designed. Based on Lyapunov stability, it is proved that the fault-tolerant controller ensures the closed-loop system with faults is asymptotically stable. An example is presented to show the effectiveness of the proposed control method.

Key words: fuzzy bilinear systems, fuzzy fault-tolerant control, fuzzy detective observer, fuzzy adaptive diagnostic observer, fault accommodation

CLC Number: