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Adaptive Control Design and Evaluation for Multibody High-speed Train Dynamic Models

Mao, Zehui, Tao, Gang, Jiang, Bin, Yan, Xinggang (2020) Adaptive Control Design and Evaluation for Multibody High-speed Train Dynamic Models. IEEE Transactions on Control Systems Technology, . ISSN 1063-6536. E-ISSN 1558-0865. (doi:10.1109/TCST.2020.2991119) (KAR id:81683)

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In this paper, the adaptive tracking control problem is investigated for multibody high-speed train dynamic model in the presence of unknown parameters, which is an open adaptive control problem. A 4-car train unit model with input signals acting on the 2nd and 3rd cars and output signals being the speeds of the 1st and 3rd cars is chosen as a benchmark model, in which the aerodynamic resistance force is also considered. To handel the nonlinear term, the feedback linearization method is employed to decompose the system into a control dynamics subsystem and a zero dynamics subsystem. A new and detailed stability analysis is conducted to show that such a zero dynamic system is Lyapunov stable and is also partially input-to-state stable under the condition that the speed error between the 1st and 3rd cars is exponentially convergent (to be ensured by a nominal controller) or belongs to the L1 signal space (to be achieved by a properly designed adaptive controller). The system configuration leads to a relative degree 1 subsystem and a relative degree 2 subsystem, for which different feedback linearization-based adaptive controllers and their nominal versions are developed to ensure the needed stabilization condition, the desired closed-loop system signal boundedness and asymptotic output speed tracking. Detailed closed-loop system stability and tracking performance analysis are given for the new control schemes. Simulation results from a realistic train dynamic model are presented to verify the desired adaptive control system performance.

Item Type: Article
DOI/Identification number: 10.1109/TCST.2020.2991119
Uncontrolled keywords: Adaptive control, output tracking, high-speed train, multibody models, feedback linearization, zero dynamics
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Xinggang Yan
Date Deposited: 12 Jun 2020 13:09 UTC
Last Modified: 08 Dec 2022 21:42 UTC
Resource URI: (The current URI for this page, for reference purposes)
Yan, Xinggang:
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