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Adaptive Finite-Time Fault-Tolerant Control of Uncertain Systems With Input Saturation | IEEE Journals & Magazine | IEEE Xplore

Adaptive Finite-Time Fault-Tolerant Control of Uncertain Systems With Input Saturation


Abstract:

In this article, an adaptive finite-time fault-tolerant control (FTC) strategy is proposed for state tracking of uncertain systems subject to actuator faults and input sa...Show More

Abstract:

In this article, an adaptive finite-time fault-tolerant control (FTC) strategy is proposed for state tracking of uncertain systems subject to actuator faults and input saturation. The actuator faults, which include multiplicative and time-varying additive modes, are allowed to be unknown. To deal with the coupling of the unknown model uncertainties and the actuator faults, an adaptive mechanism is designed based on a wisely chosen Lyapunov function. The proposed finite-time FTC scheme, with adaptive laws of uncertain parameters, guarantees the stability of the closed-loop system, and the practical finite-time state tracking property. Then, the algorithm is applied to a flight control system, simulation and comparison results demonstrate the effectiveness and advantages of the designed control scheme.
Published in: IEEE Transactions on Systems, Man, and Cybernetics: Systems ( Volume: 53, Issue: 1, January 2023)
Page(s): 165 - 177
Date of Publication: 06 May 2022

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