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Distributed cooperative control of multiple high-speed trains under a moving block system by nonlinear mapping-based feedback

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Abstract

Although the high-speed railways in China have been greatly advanced in the past decades with respect to expanding networks and increasing speed, a fixed block system, which separates the trains with several stationary track block sections, is utilized to guarantee the safe operation of multiple trains. A moving block system, which enables the moving authority of a high-speed train to be the real-time positioning point of its preceding one (plus some necessary safe redundant distance, of course), is under development to further make full use of the high-speed railway lines and improve the automation level by automatic train operation for high-speed trains. The aim of this paper is to design a distributed cooperative control for high-speed trains under a moving block system by giving a cooperative model with a back-fence communication topology. A nonlinear mapping-based feedback control method together with a rigorous mathematic proof for the global stability and ultimate bound of the closed-loop control systems is proposed. Comparative results are given to demonstrate the effectiveness and advantages of the proposed method.

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Acknowledgements

This work was supported by Fundamental Research Funds for Central Universities (Grant No. 2018JBM077), National Natural Science Foundation of China (Grant Nos. 61790573, 61703033) and State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University (Grant No. RCS2018ZT013).

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Correspondence to Hairong Dong.

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Ning, B., Dong, H., Gao, S. et al. Distributed cooperative control of multiple high-speed trains under a moving block system by nonlinear mapping-based feedback. Sci. China Inf. Sci. 61, 120202 (2018). https://doi.org/10.1007/s11432-018-9563-y

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Keywords

  • high-speed trains
  • moving block system
  • cooperative control