Regular Papers
International Journal of Control, Automation and Systems 2008; 6(2): 149-159
© The International Journal of Control, Automation, and Systems
Adaptive Fault-Tolerant Dynamic Output Feedback Control for a Class of Linear Time-Delay Systems
This paper considers the problem of adaptive fault-tolerant guaranteed cost controller design via dynamic output feedback for a class of linear time-delay systems against actuator faults. A new variable gain controller is established, whose gains are tuned by the designed adaptive laws. More relaxed sufficient conditions are derived in terms of linear matrix inequalities (LMIs), compared with the corresponding fault-tolerant controller with fixed gains. A real application example about river pollution process is presented to show the effectiveness of the proposed method.
Keywords Adaptive control, fault-tolerant control, linear matrix inequalities, time-delay.
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Regular Papers
International Journal of Control, Automation and Systems 2008; 6(2): 149-159
Published online April 1, 2008
Copyright © The International Journal of Control, Automation, and Systems.
Adaptive Fault-Tolerant Dynamic Output Feedback Control for a Class of Linear Time-Delay Systems
Dan Ye and Guang-Hong Yang*
Northeastern University, China
Abstract
This paper considers the problem of adaptive fault-tolerant guaranteed cost controller design via dynamic output feedback for a class of linear time-delay systems against actuator faults. A new variable gain controller is established, whose gains are tuned by the designed adaptive laws. More relaxed sufficient conditions are derived in terms of linear matrix inequalities (LMIs), compared with the corresponding fault-tolerant controller with fixed gains. A real application example about river pollution process is presented to show the effectiveness of the proposed method.
Keywords: Adaptive control, fault-tolerant control, linear matrix inequalities, time-delay.
Vol. 23, No. 3, pp. 683~972
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