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Corrigendum to “High-Speed Railway Train Timetable Conflict Prediction Based on Fuzzy Temporal

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《工程（英文）》 2017年第3卷第1期页码 150-150 doi: 10.1016/J.ENG.2017.01.002

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基于模糊时间知识推理的高速铁路列车运行图冲突预测

庄河, 冯丽萍, 文超, 彭其渊, 汤奇志

《工程（英文）》 2016年第2卷第3期页码 366-373 doi: 10.1016/J.ENG.2016.03.019

摘要： http://engineering.org.cn/EN/10.1016/J.ENG.2017.01.002">Corrigendum to “High-Speed Railway Train Timetable

关键词：高速铁路列车运行图模糊时间函数冲突预测

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Energy-saving operation approaches for urban rail transit systems

Ziyou GAO, Lixing YANG

《工程管理前沿（英文）》 2019年第6卷第2期页码 139-151 doi: 10.1007/s42524-019-0030-7

摘要： With the accelerated urbanization in China, passenger demand has dramatically increased in large cities, and traffic congestion has become serious in recent years. Developing public urban rail transit systems is an indispensable approach to overcome these problems. However, the high energy consumption of daily operations is an emerging issue due to increased rail transit networks and passenger demands. Thus, reducing the energy consumption and operational cost by using advanced optimization methodologies is an urgent task for operation managers. This work systematically introduces energy-saving approaches for urban rail transit systems in three aspects, namely, train speed profile optimization, utilization of regenerative energy, and integrated optimization of train timetable and speed profile. Future research directions in this field are also proposed to meet increasing passenger demands and network-based urban rail transit systems.

关键词： urban rail transit energy saving speed profile optimization regenerative energy train timetable

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Metro train rescheduling by adding backup trains under disrupted scenarios

Jiateng YIN, Yihui WANG, Tao TANG, Jing XUN, Shuai SU

《工程管理前沿（英文）》 2017年第4卷第4期页码 418-427 doi: 10.15302/J-FEM-2017044

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.

关键词： train rescheduling backup train metro line disruption timetable