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Frontiers of Engineering Management

2019, Volume 6,  Issue 2, Pages 139-151
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    Energy-saving operation approaches for urban rail transit systems

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

    Accepted: 2019-04-29 Available online:2019-04-29
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    10.1007/s42524-019-0030-7
    Cite this article
    Ziyou GAO, Lixing YANG.Energy-saving operation approaches for urban rail transit systems[J].Frontiers of Engineering Management,2019,6(2):139-151.

    Abstract

    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.

    Keywords

    urban rail transit ; energy saving ; speed profile optimization ; regenerative energy ; train timetable
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