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Article

Multiperiod Transfer Synchronization for Cross-Platform Transfer in an Urban Rail Transit System

by 1,2,3,*, 1 and 2,3
1
School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China
2
National Engineering Laboratory for Urban Rail Transit Communication and Operation Control, Beijing 100044, China
3
Traffic Control Technology Co., Ltd., Beijing 100070, China
*
Author to whom correspondence should be addressed.
Symmetry 2020, 12(10), 1665; https://doi.org/10.3390/sym12101665
Received: 14 August 2020 / Revised: 3 October 2020 / Accepted: 8 October 2020 / Published: 12 October 2020
Transfer synchronization is an important issue in timetable scheduling for an urban rail transit system, especially a cross-platform transfer. In this paper, we aim to optimize the performance of transfer throughout the daily operation of an urban rail transit system. The daily operation is divided into multiple time periods and each time period has a specific headway to fulfill time varied passenger demand. At the same time, the turn-back process of trains should also be considered for a real operation. Therefore, our work enhances the base of the transfer synchronization model taking into account time-dependent passenger demand and utilization of trains. A mixed integer programming model is developed to obtain an optimal timetable, providing a smooth transfer for cross-transfer platform and minimizing the transfer waiting time for all transfer passengers from different directions with consideration of timetable symmetry. By adjusting the departure time of trains based on a predetermined timetable, this transfer optimization model is solved through a genetic algorithm. The proposed model and algorithm are utilized for a real transfer problem in Beijing and the results demonstrate a significant reduction in transfer waiting time. View Full-Text
Keywords: transfer synchronization; transfer waiting time; cross-platform transfer; urban rail transit system transfer synchronization; transfer waiting time; cross-platform transfer; urban rail transit system
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MDPI and ACS Style

Cao, N.; Tang, T.; Gao, C. Multiperiod Transfer Synchronization for Cross-Platform Transfer in an Urban Rail Transit System. Symmetry 2020, 12, 1665. https://doi.org/10.3390/sym12101665

AMA Style

Cao N, Tang T, Gao C. Multiperiod Transfer Synchronization for Cross-Platform Transfer in an Urban Rail Transit System. Symmetry. 2020; 12(10):1665. https://doi.org/10.3390/sym12101665

Chicago/Turabian Style

Cao, Nan, Tao Tang, and Chunhai Gao. 2020. "Multiperiod Transfer Synchronization for Cross-Platform Transfer in an Urban Rail Transit System" Symmetry 12, no. 10: 1665. https://doi.org/10.3390/sym12101665

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