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Distributed adaptive fault-tolerant control against actuator faults and lossy interconnection links
Received:February 22,2008  Revised:November 14,2008
Keywords:Fault-tolerant control  Distributed state feedback  Adaptive control  Asymptotic stability
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Xiaozheng JIN, Guanghong YANG Key Laboratory of Integrated Automation for the Process Industry, Ministry of Education, and College of Information Science and Engineering, Northeastern University, Shenyang Liaoning 110004, China 
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Abstract:
      This paper presents an adaptive method to solve the robust fault-tolerant control (FTC) problem for a class of large scale systems against actuator failures and lossy interconnection links. In terms of the special distributed architectures, the adaptation laws are proposed to estimate the unknown eventual faults of actuators and interconnections, constant external disturbances, and controller parameters on-line. Then a class of distributed state feedback controllers are constructed for automatically compensating the fault and disturbance effects on systems based on the information from adaptive schemes. On the basis of Lyapunov stability theory, it shows that the resulting adaptive closed-loop large-scale system can be guaranteed to be asymptotically stable in the presence of uncertain faults of actuators and interconnections, and constant disturbances. The proposed design technique is finally evaluated in the light of a simulation example.
Xiaozheng JIN, Guanghong YANG.Distributed adaptive fault-tolerant control against actuator faults and lossy interconnection links[J].Journal of Control Theory and Applications,2009,7(4):411~418.
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