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WANG Yong, ZENG Jing, ZHANG Wei-hua. Nonlinear stability of railway freight cars[J]. Journal of Traffic and Transportation Engineering, 2002, 2(2): 36-40.
Citation: WANG Yong, ZENG Jing, ZHANG Wei-hua. Nonlinear stability of railway freight cars[J]. Journal of Traffic and Transportation Engineering, 2002, 2(2): 36-40.
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Nonlinear stability of railway freight cars

  • National Traction Power Laboratory, Southwest Jiaotong University, Chengdu 610031, China

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  • Author Bio:

    WANG Yong(1972-), male, a doctoral student of Southwest Jiaotong University, engaged in research of railway vehicle dynamics

  • Received Date: 2001-12-05
  • Publish Date: 2002-06-25
    Abstract
  • A nonlinear genetic mathematical model for three piece bogie freight car with 35 degrees of freedom is set up, which can be utilized to analyze the nonlinear dynamic behavior of conventional, cross bracing, self steering and forced steering bogies respectively.The nonlinearities arising due to the wheel/rail interactions and suspension parameters of vehicle system are considered.Numerical bifurcation theory is used for analyzing the nonlinear stability behavior of the freight car.Then the influences of steering and cross bracing mechanisms on the stability of the three piece bogie freight car are studied, and the quasi periodic solutions, chaos in the system are discussed as well.

     

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    • References(9)
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