Fault Tolerant Control for T-S Fuzzy Systems with Application to Near Space Hypersonic Vehicle with Actuator Faults

Abstract : This paper addresses the problem of fault tolerant control for T-S fuzzy systems with actuator faults. Firstly, a general actuator fault model is proposed, which integrates time-varying bias faults and time-varying gain faults. Then, sliding mode observers (SMOs) are designed to provide a bank of residuals for fault detection and isolation (FDI). Based on Lyapunov stability theory, a novel fault diagnostic algorithm is proposed to estimate the actuator fault, which removes the classical assumption that the time derivative of the output errors should be known as in some existing work. Further, a novel fault estimation observer is designed. Utilizing the estimated actuator fault, an accommodation scheme is proposed to compensate for the effect of the fault. In addition, a sufficient condition for the existence of SMOs is derived according to Lyapunov stability theory. Finally, simulation results of near space hypersonic vehicle (NSHV) are presented to demonstrate the efficiency of the proposed approach.
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Contributor : Vincent Cocquempot <>
Submitted on : Tuesday, June 19, 2012 - 9:15:30 AM
Last modification on : Wednesday, April 10, 2019 - 11:54:01 AM

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  • HAL Id : hal-00709571, version 1

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Qikun Shen, Bin Jiang, Vincent Cocquempot. Fault Tolerant Control for T-S Fuzzy Systems with Application to Near Space Hypersonic Vehicle with Actuator Faults. IEEE Transactions on Fuzzy Systems, Institute of Electrical and Electronics Engineers, 2011, 20 (4), pp.652-665. ⟨hal-00709571⟩

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