Influence of cornering stiffness of straddle-type monorail running wheel on tire wear under curve negotiating

WEN Xiao-xia; DU Zi-xue; ZUO Zhang-yong; LIANG Zhi-hua; ZHAO Da-yi

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WEN Xiao-xia, DU Zi-xue, ZUO Zhang-yong, LIANG Zhi-hua, ZHAO Da-yi. Influence of cornering stiffness of straddle-type monorail running wheel on tire wear under curve negotiating[J]. Journal of Traffic and Transportation Engineering, 2014, 14(2): 41-48.

Citation:

WEN Xiao-xia, DU Zi-xue, ZUO Zhang-yong, LIANG Zhi-hua, ZHAO Da-yi. Influence of cornering stiffness of straddle-type monorail running wheel on tire wear under curve negotiating[J]. Journal of Traffic and Transportation Engineering, 2014, 14(2): 41-48.

Citation:

WEN Xiao-xia, DU Zi-xue, ZUO Zhang-yong, LIANG Zhi-hua, ZHAO Da-yi. Influence of cornering stiffness of straddle-type monorail running wheel on tire wear under curve negotiating[J]. Journal of Traffic and Transportation Engineering, 2014, 14(2): 41-48.

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Influence of cornering stiffness of straddle-type monorail running wheel on tire wear under curve negotiating

1.
School of Electrical and Automotive Engineering, Chongqing Jiaotong University, Chongqing 400074, China
2.
CSR Luoyang Locomotive Co., Ltd., Luoyang 471002, Henan, China

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Author Bio:
WEN Xiao-xia (1977-), female, associate professor, doctoral student, +86-23-62652478, wenxiaoxia150@163.com

DU Zi-xue (1962-), male, professor, PhD, +86-23-62652478, aaadzx@163.com
Received Date: 2013-12-20
Publish Date: 2014-04-25

Abstract

Abstract

Based on vehicle tire wear theory, the influences of cornering stiffness of running wheel on the cornering force of running wheel and the radial forces of guide wheel and stabilizing wheel for monorail vehicle were analyzed.When monorail vehicle ran along curve track, the changing trend of running wheel's friction power consumed with cornering stiffness variation was studied. Analysis result shows that affected by the radial forces of guide wheels and stabilizing wheels, the cornering force of running wheel increases as its cornering stiffness increasing. When the cornering stiffness range of running wheel is from 1 kN·rad^-1 to 120 kN·rad^-1, its cornering force and side slip angle are linear, and side slip angle has minor change.When the cornering stiffness exceeds 120 kN·rad^-1, side slip angle increases rapidly into the nonlinear region.Based on tire wear index, with the cornering stiffness increase of running wheel, its tire wear increases at 1.2% rate as curve traveling.The cornering stiffness also affect the curve negotiating performance of monorail vehicle, much small cornering stiffness is not conducive to form shook head torque and the curve performance is bad.In order to reduce tire wear, the recommendeddesign cornering stiffness of running wheel is 9.37 kN·rad^-1 under the condition of good curve negotiating performance.
- vehicle engineering,
- straddle-type monorail vehicle,
- running wheel wear,
- contact model,
- cornering stiffness

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References(14)

References

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