Abstract
This paper investigates the problem of speed cruise control in high-speed trains, which are modeled as large-scale systems with each car considered as an independent subsystem. Decoupled \({\mathcal H}_{\infty}\) controllers are employed for each car. To address parameter uncertainties and time-varying delays, a comprehensive analysis of the robustness and time-delay stability of the large-scale system was conducted, which led to the design of decoupled controllers. Simulations and comparative analyses were conducted to validate the correctness of the control algorithm and demonstrate the feasibility of controlling high-speed trains as large-scale time-delay systems. This study has yielded theoretical results in large-scale system control, successfully applying results to high-speed train control. The idea and method offer new perspectives and lay the foundation for addressing more complex issues in high-speed trains.
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This work was supported by the National Natural Science Foundation of China (U21A20169) and Natural Science Foundation of Sichuan Province(2022NSFSC0451).
Tao Wang is currently a Professor of electrical engineering at Southwest Jiaotong University, Chengdu, China. He received his Ph.D. degree in traffic information engineering and control from Southwest Jiaotong University in 2007. His research interests include electric traction control systems, computer control systems, and control theory and applications.
Jiaping Liao received his M.Eng. degree in electrical engineering from the School of Electrical Engineering, Southwest Jiaotong University, Chengdu, China, in 2024. His main research interests include control system stability and data-driven control methods.
Jikun Li is currently an Associate Professor of electrical engineering at Southwest Jiaotong University, Chengdu, China. She received her master’s degree in electrical engineering and automation from Southwest Jiaotong University in 2004. Her research interests include power supply, traction motor control, and electromagnetic compatibility.
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Wang, T., Liao, J. & Li, J. Robust Cruise Control for Large-scale System of High-speed Train With Parameter Uncertainties and Time-varying Delay. Int. J. Control Autom. Syst. 22, 3083–3094 (2024). https://doi.org/10.1007/s12555-023-0722-y
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DOI: https://doi.org/10.1007/s12555-023-0722-y