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A Fuzzy Optimization Model for High-Speed Railway Timetable Rescheduling

Author

Listed:
  • Li Wang
  • Yong Qin
  • Jie Xu
  • Limin Jia

Abstract

A fuzzy optimization model based on improved symmetric tolerance approach is introduced, which allows for rescheduling high-speed railway timetable under unexpected interferences. The model nests different parameters of the soft constraints with uncertainty margin to describe their importance to the optimization purpose and treats the objective in the same manner. Thus a new optimal instrument is expected to achieve a new timetable subject to little slack of constraints. The section between Nanjing and Shanghai, which is the busiest, of Beijing-Shanghai high-speed rail line in China is used as the simulated measurement. The fuzzy optimization model provides an accurate approximation on train running time and headway time, and hence the results suggest that the number of seriously impacted trains and total delay time can be reduced significantly subject to little cost and risk.

Suggested Citation

  • Li Wang & Yong Qin & Jie Xu & Limin Jia, 2012. "A Fuzzy Optimization Model for High-Speed Railway Timetable Rescheduling," Discrete Dynamics in Nature and Society, Hindawi, vol. 2012, pages 1-22, December.
    • Handle: RePEc:hin:jnddns:827073
    DOI: 10.1155/2012/827073
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    Cited by:

    1. Manuel Blanco-Castillo & Adrián Fernández-Rodríguez & Antonio Fernández-Cardador & Asunción P. Cucala, 2022. "Eco-Driving in Railway Lines Considering the Uncertainty Associated with Climatological Conditions," Sustainability, MDPI, vol. 14(14), pages 1-26, July.
    2. Adrian Gill & Piotr Smoczyński, 2021. "Optimization of Safety System Structures in Railway Transport," Sustainability, MDPI, vol. 13(19), pages 1-15, September.

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