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Optimisation of train energy-efficient operation for mass rapid transit systems

Optimisation of train energy-efficient operation for mass rapid transit systems

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  • Author(s): B.-R. Ke 1 ; C.-L. Lin 2 ; C.-C. Yang 2
    • View affiliations
    • Affiliations: 1: Department of Electrical Engineering, National Penghu University of Science and Technology, Penghu, Taiwan, Republic of China
      2: Department of Electrical Engineering, National Chung Hsing University, Taichung, Taiwan, Republic of China
  • Source: Volume 6, Issue 1, March 2012, p. 58 – 66
    DOI:  10.1049/iet-its.2010.0144 , Print ISSN 1751-956X, Online ISSN 1751-9578
© The Institution of Engineering and Technology
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This study presents a method for optimising train driving strategies of the mass rapid transit systems with the aim to save energy between successive stations. Combinational optimisation techniques are developed to solve the online optimisation problem. To achieve an optimal train driving strategy, train operation modes, including acceleration, cruise and coast modes, in tandem with the speed codes of each section, are determined by the MAX–MIN ant system algorithm. The results of the case study show superior performance in terms of energy consumption in comparison with the previous research. Given that computation time reaches a reasonable level, it becomes legitimate to address online optimisation by using the proposed approach.

Inspec keywords: minimax techniques; rapid transit systems; combinatorial mathematics

Other keywords: train driving strategies; train energy-efficient operation; coast mode; speed code; acceleration; energy consumption; optimal train driving strategy; train operation mode; mass rapid transit system; cruise mode; energy saving; MAX-MIN ant system algorithm; online optimisation problem; combinational optimisation

Subjects: Combinatorial mathematics; Optimisation techniques; Rail-traffic system control

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