吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (1): 71-75.doi: 10.13229/j.cnki.jdxbgxb201701011

• 论文 • 上一篇    下一篇

双挂汽车列车高速阶跃横向失稳能量分析

张义花, 许洪国, 刘宏飞, 王发继   

  1. 吉林大学 交通学院,长春130022
  • 收稿日期:2015-12-03 出版日期:2017-01-20 发布日期:2017-01-20
  • 通讯作者: 刘宏飞(1971-)男,副教授,博士.研究方向:半挂汽车列车操纵稳定性.E-mail:hongfeiliu@jlu.edu.cn
  • 作者简介:张义花(1987-),女,博士研究生.研究方向:多挂汽车列车横向稳定性.E-mail:zhangyihua1989@126.com
  • 基金资助:
    国家自然科学基金项目(51078167).

Energy analysis of lateral instability in vehicle combinations at high-speed step response

ZHANG Yi-hua, XU Hong-guo, LIU Hong-fei, WANG Fa-ji   

  1. College of Transportation, Jilin University, Changchun 130022, China
  • Received:2015-12-03 Online:2017-01-20 Published:2017-01-20

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摘要： 采用图论方法,并结合各个车辆单元的链接关系,得到了双挂汽车列车各个车辆单元3种可能的失稳顺序。基于TruckSim建立包括非线性轮胎模型的多体动力学双挂汽车列车模型,通过仿真高速阶跃响应下各个车辆单元状态变量的变化趋势,可知侧倾角速度是影响车辆失稳的首要因素。结合能量方程求解不同车速下各个车辆单元在阶跃响应中的最大能量,得到了各个车辆单元的失稳顺序,同时对图论法中提出的失稳顺序进行了验证和能量分析。

关键词: 车辆工程, 车辆动力学, 双挂汽车列车, 图论, 横向失稳, 能量分析

Abstract: Three possible instability sequences in vehicle combinations were obtained by using graph theory and the link relationship of each unit of the vehicle. A multi-body dynamic model, including nonlinear tire model of the vehicle combination was established by TruckSim. By simulation of the change of the state variables of each vehicle unit under high-speed step response, it was obtained that the main factor to influence the instability of the vehicle is the roll rate. Combining with the energy equation, the maximum energy of each vehicle unit under different vehicle speed was calculated, and the instability sequence of the vehicle units was obtained. Meanwhile, verification and energy analysis were carried out for the sequence of possible instability obtained by graph theory.

Key words: vehicle engineering, vehicle dynamics, vehicle combinations, graph theory, lateral instability, energy analysis

中图分类号: 

  • U469.5
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