摆式动车组横向动力学模型研究

Research on the Lateral Dynamic Model of Tilting Motor Unit

根据摆式列车运行时车体发生倾摆的特征,采用多体系统动力学原理,建立2M2T的摆式动车组横向动力学仿真统一模型。通过变化导向机构参数可以得到径向转向架或常规转向架的仿真模型。分析其各个刚体的受力情况,得出统一模型的动力学普遍方程式。编制摆式动车组横向动力学计算机仿真程序。通过与试验结果的比较,验证模型的正确性。

According to the characteristic of the tilting car body while train negotiates curve, based on the multi-body system dynamics theory, the integrated simulation model is established to study the lateral dynamics for 2M2T tilting motor-unit. The simulation model for the steering bogie or conventional bogie can be obtained by replacing the parameters of the steering mechanism. The widespread equations for the model are obtained by analyzing each rigid-body's loading. And the computer simulation program of the lateral dynamics for the tilting train-set is authorized. Finally, drawing a comparison between the test results and simulation results, the validity of the model is obtained.