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Chin. Phys. B, 2013, Vol. 22(12): 120206    DOI: 10.1088/1674-1056/22/12/120206
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Simulating train movement in an urban railway based on an improved car-following model

Ye Jing-Jinga, Li Ke-Pingb, Jin Xin-Mina
a School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China;
b State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China
Abstract  Based on the optimal velocity car-following model, in this paper, we propose an improved model for simulating train movement in an urban railway in which the regenerative energy of a train is considered. Here a new additional term is introduced into a traditional car-following model. Our aim is to analyze and discuss the dynamic characteristics of the train movement when the regenerative energy is utilized by the electric locomotive. The simulation results indicate that the improved car-following model is suitable for simulating the train movement. Further, some qualitative relationships between regenerative energy and dynamic characteristics of a train are investigated, such as the measurement data of regenerative energy presents a power-law distribution. Our results are useful for optimizing the design and plan of urban railway systems.
Keywords:  urban railway system      train movement      regenerative braking energy  
Received:  22 May 2013      Revised:  11 July 2013      Accepted manuscript online: 
PACS:  02.60.Pn (Numerical optimization)  
  07.05.Tp (Computer modeling and simulation)  
Fund: Project supported by the National High Technology Research and Development Program of China (Grant No. 2011AA110502) and the National Natural Science Foundation of China (Grant No. 71271022).
Corresponding Authors:  Li Ke-Ping     E-mail:  rtkpli@188.com

Cite this article: 

Ye Jing-Jing, Li Ke-Ping, Jin Xin-Min Simulating train movement in an urban railway based on an improved car-following model 2013 Chin. Phys. B 22 120206

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