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On-line Access: 2023-03-17

Received: 2022-03-31

Revision Accepted: 2022-10-06

Crosschecked: 2023-03-17

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Citations:  Bibtex RefMan EndNote GB/T7714


Yougang SUN


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Journal of Zhejiang University SCIENCE A 2023 Vol.24 No.3 P.272-283


Adaptive fault-tolerant control of high-speed maglev train suspension system with partial actuator failure: design and experiments

Author(s):  Yougang SUN, Fengxing LI, Guobin LIN, Junqi XU, Zhenyu HE

Affiliation(s):  Institute of Rail Transit, Tongji University, Shanghai 201804, China; more

Corresponding email(s):   xujunqi@tongji.edu.cn

Key Words:  High-speed maglev transportation, Suspension control system, Adaptive fault-tolerant control (FTC), Partial actuator failure, Mechatronics

Yougang SUN, Fengxing LI, Guobin LIN, Junqi XU, Zhenyu HE. Adaptive fault-tolerant control of high-speed maglev train suspension system with partial actuator failure: design and experiments[J]. Journal of Zhejiang University Science A, 2023, 24(3): 272-283.

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author="Yougang SUN, Fengxing LI, Guobin LIN, Junqi XU, Zhenyu HE",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Adaptive fault-tolerant control of high-speed maglev train suspension system with partial actuator failure: design and experiments
%A Yougang SUN
%A Fengxing LI
%A Guobin LIN
%A Junqi XU
%A Zhenyu HE
%J Journal of Zhejiang University SCIENCE A
%V 24
%N 3
%P 272-283
%@ 1673-565X
%D 2023
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2200189

T1 - Adaptive fault-tolerant control of high-speed maglev train suspension system with partial actuator failure: design and experiments
A1 - Yougang SUN
A1 - Fengxing LI
A1 - Guobin LIN
A1 - Junqi XU
A1 - Zhenyu HE
J0 - Journal of Zhejiang University Science A
VL - 24
IS - 3
SP - 272
EP - 283
%@ 1673-565X
Y1 - 2023
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A2200189

High-speed maglev trains will play an important role in the high-speed transportation system in the near future. However, under the conditions of strong magnetic fields and continuous operation, the actuators of the high-speed maglev train suspension system are prone to lose partial effectiveness, which makes the suspension control problem challenging. In addition, most existing fault-tolerant control (FTC) methods for suspension systems require linearization around the equilibrium points during the controller design or stability analysis. Therefore, from a practical perspective, this study presents a novel nonlinear FTC strategy with adaptive compensation for high-speed maglev train suspension systems. First, a nonlinear dynamic model of the suspension system based on join-structure is established and the actuator failures are described. Then, a nonlinear fault-tolerant suspension control law with an adaptive update law is designed to achieve stable suspension against partial actuator failure. The Lyapunov theory and extended Barbalat lemma are utilized to rigorously prove the closed-loop asymptotic stability even if there is partial actuator failure, without any approximation to the original nonlinear dynamics. Finally, hardware experimental results are included to demonstrate the effectiveness of the proposed approach.




Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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