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利用典型的线性稳态模型对传统转向架和新型转向架(后轮对独立回转转向架)的曲线导向能力进行了分析。建立了具有14个自由度的非线性车辆模型,对最佳的一系纵向刚度布置(前导轮对的纵向刚度较小,跟从轮对的刚度较大)的新型转向架和传统转向架车辆的曲线性能进行了仿真对比。仿真结果表明,新型转向架的曲线导向性能优于传统转向架。
The typical linear steady-state model is used to analyze the curvilinear steering capabilities of conventional bogies and new bogies (rear-wheel independent turning bogies). A nonlinear vehicle model with 14 degrees of freedom was established for the new bogie and conventional bogie vehicle with the best longitudinal stiffness of the series (the longitudinal stiffness of the front pair is smaller and the rigidity of the following pair is higher) Curve performance of the simulation comparison. The simulation results show that the curve guidance performance of the new bogie is better than the traditional bogie.