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《工程管理前沿(英文)》 >> 2017年 第4卷 第4期 doi: 10.15302/J-FEM-2017044

Metro train rescheduling by adding backup trains under disrupted scenarios

State Key Laboratory of Rail Traffic Control & Safety, Beijing Jiaotong University, Beijing 100044, China

录用日期: 2017-10-31 发布日期: 2017-12-14

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摘要

In large cities with heavily congested metro lines, unexpected disturbances often occur, which may cause severe delay of multiple trains, blockage of partial lines, and reduction of passenger service. Metro dispatchers have taken a practical strategy of rescheduling the timetable and adding several backup trains in storage tracks to alleviate waiting passengers from crowding the platforms and recover from such disruptions. In this study, we first develop a mixed integer programming model to determine the optimal train rescheduling plan with considerations of in-service and backup trains. The aim of train rescheduling is to frequently dispatch trains to evacuate delayed passengers after the disruption. Given the nonlinearity of the model, several linearization techniques are adapted to reformulate the model into an equivalent linear model that can be easily handled by the optimization software. Numerical experiments are implemented to verify the effectiveness of the proposed train rescheduling approach.

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