System dynamics of long and heavy haul train

CHI Mao-ru; JIANG Yi-ping; ZHANG Wei-hua; WANG Yong

doi:10.19818/j.cnki.1671-1637.2011.03.007

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CHI Mao-ru, JIANG Yi-ping, ZHANG Wei-hua, WANG Yong. System dynamics of long and heavy haul train[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 34-40. doi: 10.19818/j.cnki.1671-1637.2011.03.007

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CHI Mao-ru, JIANG Yi-ping, ZHANG Wei-hua, WANG Yong. System dynamics of long and heavy haul train[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 34-40. doi: 10.19818/j.cnki.1671-1637.2011.03.007

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System dynamics of long and heavy haul train

doi: 10.19818/j.cnki.1671-1637.2011.03.007

1.
Traction Power State Key Laboratory, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
2.
Kunming China Railway Large Maintenance Machinery Co., Ltd., Kunming 650215, Yunnan, China

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Author Bio:
CHI Mao-ru(1973-), male, researcher, PhD, +86-28-86466243, cmr2000@163.com
Received Date: 2011-02-01
Publish Date: 2011-06-25

Abstract

Abstract

Cycle-variable method was utilized to resolve the freedom problem of long and heavy haul train, the coupling relationship among the longitudinal, lateral and vertical performances of the train was considered, a 3-D coupling dynamics model of the train was set up, and the dynamics performances of the train under traction, braking and idling conditions on straight track, curved track and ramp were simulated. Simulation result shows that under traction condition, the dynamics performances of front and rear vehicles were worse than that of middle vehicles. Under braking condition, the dynamics performances of middle vehicles were worse than that of front and rear vehicles. Under idling condition, the dynamics performances of all vehicles have little difference. On curved track, the influences of three conditions on the dynamics performances are greatest, so, while through straight track, train will be in traction or braking condition. While through curved track, train will be in idling condition.
- railway vehicle,
- heavy haul train,
- system dynamics,
- traction condition,
- braking condition,
- idling condition,
- circular-variable method

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References

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