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Ni Ping-tao, Wang Kai-wen, Chen Jian. Influence of primary longitudinal position clearance on lateral dynamics of vehicle with MRF coupled wheelsets[J]. Journal of Traffic and Transportation Engineering, 2007, 7(2): 6-9.
Citation: Ni Ping-tao, Wang Kai-wen, Chen Jian. Influence of primary longitudinal position clearance on lateral dynamics of vehicle with MRF coupled wheelsets[J]. Journal of Traffic and Transportation Engineering, 2007, 7(2): 6-9.
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Influence of primary longitudinal position clearance on lateral dynamics of vehicle with MRF coupled wheelsets

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

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  • Author Bio:

    Ni Ping-tao(1968-), male, doctoral student, +86-28-87600840, npt815@sina.com

    Wang Kai-wen(1942-), male, professor, +86-28-87603721, wkw3721@163.com

  • Received Date: 2006-11-21
  • Publish Date: 2007-04-25
    Abstract
  • In order to reasonably control the position clearance of vehicle wheelsets, improve the lateral dynamics performances of vehicle with magneto-rheological fluid (MRF) coupled wheelsets at high speed, a spatial dynamics model of vehicle was established, and the longitudinal position clearance influence of vehicle wheelsets on the critical velocity and curve passing performances of vehicle were analyzed.Analysis result shows that the clearance increase can make vehicle critical velocity descend sharply, make the lateral displacement and attack angle of wheelsets, the lateral force of wheel/rail and lateral acceleration of carbody largen rapidly; vehicle has higher critical velocity and better curve passing performances only in the condition of small clearance.

     

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