Influence of wheel-diameter difference on running security of vehicle system

CHI Mao-ru; ZHANG Wei-hua; CENG Jing; JIN Xue-song; ZHU Min-hao

Volume 8 Issue 5

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CHI Mao-ru, ZHANG Wei-hua, CENG Jing, JIN Xue-song, ZHU Min-hao. Influence of wheel-diameter difference on running security of vehicle system[J]. Journal of Traffic and Transportation Engineering, 2008, 8(5): 19-22.

Citation:

CHI Mao-ru, ZHANG Wei-hua, CENG Jing, JIN Xue-song, ZHU Min-hao. Influence of wheel-diameter difference on running security of vehicle system[J]. Journal of Traffic and Transportation Engineering, 2008, 8(5): 19-22.

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Influence of wheel-diameter difference on running security of vehicle system

Traction Power State Key Laboratory, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

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Author Bio:
CHI Mao-ru (1973-), male, associate researcher, PhD, +86-28-86466243, emr2000@163.com
Received Date: 2008-04-15
Publish Date: 2008-10-25

Abstract

Abstract

The running state of the bogie with wheel-diameter difference was analyzed, and a dynamics model of vehicle was set up.As an example of a high-speed vehicle running on the tangent tracks with Germany low-disturbing spectrum at 300 km·h^-1, the influence of wheel-diameter difference on the running security of vehicle was analyzed by simulation, and the influences of the same phase's and opposite phase's wheel-diameter differences on the running security were compared.Analysis result shows that all of wheel-diameter differences affect the running security of vehicle system, the running security is getting worse with the increase of wheel-diameter difference, the opposite phase's wheel-diameter difference has larger influence, and the same phase's wheel-diameter difference has less influence.So in order to ensure the running security of vehicle system, the wheel-diameter difference should be minished by all means, especially, the opposite phase's wheel-diameter difference should be strictly controlled under permitted scope.
- railway vehicle,
- bogie,
- wheelset,
- wheel-diameter difference,
- security

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References(10)

References

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