Adaptive finite-time fault-tolerant control of uncertain systems with input saturation
Adaptive finite-time fault-tolerant control of uncertain systems with input saturation
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.
Adaptive fault-tolerant control, finite-time control, input saturation, tracking, uncertain systems
165-177
Fang, Xinpeng
135f800e-5011-4e4f-a483-f0d935ed85a4
Fan, Huijin
c2d58f76-05ea-416d-a5e9-ad971930d613
Wang, Wei
40507c2b-bc53-4988-8b9b-8d60370fd44a
Liu, Lei
51ddf4cf-b2db-43ad-8e3b-46f0e110f3b2
Wang, Bo
c7e48a2e-8790-4e1f-9740-5b50dd713030
Cheng, Zhongtao
21aec6af-04a8-4f6c-bdf9-64fca5f559f3
6 May 2022
Fang, Xinpeng
135f800e-5011-4e4f-a483-f0d935ed85a4
Fan, Huijin
c2d58f76-05ea-416d-a5e9-ad971930d613
Wang, Wei
40507c2b-bc53-4988-8b9b-8d60370fd44a
Liu, Lei
51ddf4cf-b2db-43ad-8e3b-46f0e110f3b2
Wang, Bo
c7e48a2e-8790-4e1f-9740-5b50dd713030
Cheng, Zhongtao
21aec6af-04a8-4f6c-bdf9-64fca5f559f3
Fang, Xinpeng, Fan, Huijin, Wang, Wei, Liu, Lei, Wang, Bo and Cheng, Zhongtao
(2022)
Adaptive finite-time fault-tolerant control of uncertain systems with input saturation.
IEEE Transactions on Systems, Man, and Cybernetics: Systems, 53 (1), .
(doi:10.1109/TSMC.2022.3170573).
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.
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Published date: 6 May 2022
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© 2013 IEEE.
Keywords:
Adaptive fault-tolerant control, finite-time control, input saturation, tracking, uncertain systems
Identifiers
Local EPrints ID: 495502
URI: http://eprints.soton.ac.uk/id/eprint/495502
ISSN: 2168-2216
PURE UUID: 85236c22-66b4-4af0-bf74-69d3d7ad06c2
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Date deposited: 14 Nov 2024 18:10
Last modified: 15 Nov 2024 03:13
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Contributors
Author:
Xinpeng Fang
Author:
Huijin Fan
Author:
Wei Wang
Author:
Lei Liu
Author:
Bo Wang
Author:
Zhongtao Cheng
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