Regular Papers
International Journal of Control, Automation and Systems 2019; 17(6): 1421-1431
Published online May 30, 2019
https://doi.org/10.1007/s12555-018-0729-y
© The International Journal of Control, Automation, and Systems
Adaptive Fault-Tolerant Neural Control for Large-scale Systems with Actuator Faults
The active adaptive fault-tolerant neural control problem is discussed for large-scale uncertain systems against actuator faults. The unknown interconnections among subsystems are assumed to be nonlinear, not traditional linear. A general actuator fault model is proposed, which integrates bias and gain time-varying faults. Then, based on Lyapunov stability theory, a novel fault diagnostic algorithm and accommodation scheme are proposed,where the assumptions in the existing works are removed and fault-tolerant controller singularity problem is avoided. Finally, simulation results of near space vehicle show the efficiency of the presented control approach.
Keywords Adaptive control, fault diagnosis, fault-tolerant control, neural control.
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Regular Papers
International Journal of Control, Automation and Systems 2019; 17(6): 1421-1431
Published online June 1, 2019 https://doi.org/10.1007/s12555-018-0729-y
Copyright © The International Journal of Control, Automation, and Systems.
Adaptive Fault-Tolerant Neural Control for Large-scale Systems with Actuator Faults
Jianye Gong, Bin Jiang, and Qikun Shen*
Yangzhou University
Abstract
The active adaptive fault-tolerant neural control problem is discussed for large-scale uncertain systems against actuator faults. The unknown interconnections among subsystems are assumed to be nonlinear, not traditional linear. A general actuator fault model is proposed, which integrates bias and gain time-varying faults. Then, based on Lyapunov stability theory, a novel fault diagnostic algorithm and accommodation scheme are proposed,where the assumptions in the existing works are removed and fault-tolerant controller singularity problem is avoided. Finally, simulation results of near space vehicle show the efficiency of the presented control approach.
Keywords: Adaptive control, fault diagnosis, fault-tolerant control, neural control.
Vol. 22, No. 10, pp. 2955~3252
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