Optimization Based High-Speed Railway Train Rescheduling with Speed Restriction

Li Wang, Wenting Mo, Yong Qin, Fei Dou and Limin Jia

Discrete Dynamics in Nature and Society, 2014, vol. 2014, 1-14

Abstract:

A decision support framework with four components is proposed for high-speed railway timetable rescheduling in case of speed restriction. The first module provides the speed restriction information. The capacity evaluation module is used to evaluate whether the capacity can fulfill the demand before rescheduling timetable based on deduction factor method. The bilayer rescheduling module is the key of the decision support framework. In the bilayer rescheduling module, the upper-layer objective is to make an optimal rerouting plan with selected rerouting actions. Given a specific rerouting plan, the lower-layer focuses on minimizing the total delay as well as the number of seriously impacted trains. The result assessment module is designed to invoke the rescheduling model iteratively with different settings. There are three prominent features of the framework, such as realized interaction with dispatchers, emphasized passengers’ satisfaction, and reduced computation complexity with a bilayer modeling approach. The proposed rescheduling model is simulated on the busiest part of Beijing to Shanghai high-speed railway in China. The case study shows the significance of rerouting strategy and utilization of the railway network capacity in case of speed restriction.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:934369

DOI: 10.1155/2014/934369

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