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W. Chen^1,2, Q. Ge^1,2, J. Zhu^1,2, M. Zhao^1,2 and L. Zhao^1,2

¹Key Laboratory of High Density Electromagnetic Power and Systems, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China
², University of Chinese Academy of Sciences, Beijing, China

doi:10.4203/ccc.15.11.3

W. Chen, Q. Ge, J. Zhu, M. Zhao, L. Zhao, "Robust Current Control for High-Speed Maglev Based on Three Step Power Supply Switching Method", in J. Pombo, (Editor), "Proceedings of the Seventh International Conference on Railway Technology: Research, Development and Maintenance ", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 15, Paper 11.3, 2026, doi:10.4203/ccc.15.11.3

Keywords: high-speed maglev, long stator linear synchronous motor, three step power supply switching method, current loop control, high order extend state observer, active disturbance rejection control.

Abstract

The high-speed maglev train is driven by long stator linear synchronous motor (LS-LSM). To reduce active power loss and improve motor operation efficiency, the stator segments of the LS-LSM adopt a segmented power supply mode. However, during the changeover process of the motor, a multi-parameter perturbation phenomenon occurs in the motor parameters, which in turn affects the control accuracy and stability of the current loop. In this study, first, with the aid of finite element software, the multi-parameter time-varying characteristics of the motor during changeover process are thoroughly analyzed, and the motor mathematical model under the three-step switching method is established. Second, to address the disturbance problem of the current loop caused by multi-parameter perturbations and enhance the robustness of the current loop, the active disturbance rejection control (ADRC) strategy based on the high-order extended state observer (HESO) is proposed. Finally, verification tests are carried out on the high-speed maglev simulation model with three-step switching method. The results show that the proposed algorithm can effectively suppress the impact of parameter perturbations, verifying its effectiveness and feasibility.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 15 PROCEEDINGS OF THE SEVENTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 11.3 Robust Current Control for High-Speed Maglev Based on Three Step Power Supply Switching Method W. Chen^1,2, Q. Ge^1,2, J. Zhu^1,2, M. Zhao^1,2 and L. Zhao^1,2 ¹Key Laboratory of High Density Electromagnetic Power and Systems, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China ², University of Chinese Academy of Sciences, Beijing, China doi:10.4203/ccc.15.11.3 Full Bibliographic Reference for this paper W. Chen, Q. Ge, J. Zhu, M. Zhao, L. Zhao, "Robust Current Control for High-Speed Maglev Based on Three Step Power Supply Switching Method", in J. Pombo, (Editor), "Proceedings of the Seventh International Conference on Railway Technology: Research, Development and Maintenance ", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 15, Paper 11.3, 2026, doi:10.4203/ccc.15.11.3 Keywords: high-speed maglev, long stator linear synchronous motor, three step power supply switching method, current loop control, high order extend state observer, active disturbance rejection control. Abstract The high-speed maglev train is driven by long stator linear synchronous motor (LS-LSM). To reduce active power loss and improve motor operation efficiency, the stator segments of the LS-LSM adopt a segmented power supply mode. However, during the changeover process of the motor, a multi-parameter perturbation phenomenon occurs in the motor parameters, which in turn affects the control accuracy and stability of the current loop. In this study, first, with the aid of finite element software, the multi-parameter time-varying characteristics of the motor during changeover process are thoroughly analyzed, and the motor mathematical model under the three-step switching method is established. Second, to address the disturbance problem of the current loop caused by multi-parameter perturbations and enhance the robustness of the current loop, the active disturbance rejection control (ADRC) strategy based on the high-order extended state observer (HESO) is proposed. Finally, verification tests are carried out on the high-speed maglev simulation model with three-step switching method. The results show that the proposed algorithm can effectively suppress the impact of parameter perturbations, verifying its effectiveness and feasibility. download the full-text of this paper (PDF, 1937 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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