Traction calculation model of urban mass transit

SHI Hong-guo; PENG Qi-yuan; GUO Han-ying

Volume 5 Issue 4

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SHI Hong-guo, PENG Qi-yuan, GUO Han-ying. Traction calculation model of urban mass transit[J]. Journal of Traffic and Transportation Engineering, 2005, 5(4): 20-26.

Citation:

SHI Hong-guo, PENG Qi-yuan, GUO Han-ying. Traction calculation model of urban mass transit[J]. Journal of Traffic and Transportation Engineering, 2005, 5(4): 20-26.

SHI Hong-guo, PENG Qi-yuan, GUO Han-ying. Traction calculation model of urban mass transit[J]. Journal of Traffic and Transportation Engineering, 2005, 5(4): 20-26.

Citation:

SHI Hong-guo, PENG Qi-yuan, GUO Han-ying. Traction calculation model of urban mass transit[J]. Journal of Traffic and Transportation Engineering, 2005, 5(4): 20-26.

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Traction calculation model of urban mass transit

School of Traffic and Transportation, Southwest Jiaotong University, Chengdu 610031, China

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Author Bio:
Shi Hong-guo(1974-), male, doctoral student, 86-28-89821174, swjtushg@yahoo.com.cn
Received Date: 2005-04-27
Publish Date: 2005-12-25

Abstract

Abstract

In order to optimize the single-particle model of urban mass transit traction calculation system and make traction calculation result more accurate, the optimized multi-particle simulation model was built up. Train was regarded as a dynamic chain made of multiple particles so that every car could be analyzed, train length influence on its adjunctive resistance was considered. Optimization shifting gears, rational selection freewheeling position and control the range of velocity fluctuation were adopted to improve the model calculation veracity, train braking position was searched through reverse recursion method. The computation results of the optimized traction calculation model and single-particle model show that the average velocity is raised by 5%~20%, the start velocity is decreased by 5%~25% in pulling into station process, the energy consumption is decreased by 5%~20%, the model is feasible.
- traffic transportation planning,
- traction calculation,
- single-particle traction model,
- multi-particle optimized traction model,
- braking start position

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References(11)

References

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