Simulating train movement in an urban railway based on an improved car-following model

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 a...

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Bibliographic Details
Published in:Chinese physics B 2013-12, Vol.22 (12), p.65-69
Main Author: 叶晶晶 李克平 金新民
Format: Article
Language:English
Subjects:
Computer simulation
Dynamic characteristics
Energy distribution
Optimization
Railroads
Railway engineering
Railways
Regenerative
Trains
交通模拟
再生能量
列车运行
动态特性
可再生能源
城市轨道
跟车模型
跟驰模型
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Summary: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.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/22/12/120206