悬挂阻尼与车辆蛇行运动稳定性关系

doi:10.16182/j.issn1004731x.joss.20-0237

系统仿真学报 ›› 2021, Vol. 33 ›› Issue (8): 1784-1790.doi: 10.16182/j.issn1004731x.joss.20-0237

悬挂阻尼与车辆蛇行运动稳定性关系

晏永¹, 曾京², 徐坤³, 赵飞燕¹

1.宁夏师范学院物理与电子信息工程学院,宁夏固原 756000;
2.西南交通大学牵引动力国家重点实验室,四川成都 610031;
3.宝鸡中车时代工程机械有限公司,陕西宝鸡 721000

收稿日期:2020-05-11 修回日期:2020-07-22 发布日期:2021-08-19
作者简介:晏永(1987-),男,博士,副教授,研究方向为车辆系统动力学。E-mail: 501230315@qq.com
基金资助:
国家自然科学基金(11790282); 宁夏重点研发计划(引才专项) (2020BEB04040)

Relationship between Suspension Damping and Stability of Vehicle Hunting Motion

Yan Yong¹, Zeng Jing², Xu Kun³, Zhao Feiyan¹

1. Ningxia Normal University, School of Physics and Electronic Information Engineering, Guyuan 756000, China;
2. Traction Power State Key Laboratory, Southwest Jiaotong University, Chengdu 610031, China;
3. Baoji CRRC Times Engineering Machinery CO., LTD., Baoji 721000, China

Received:2020-05-11 Revised:2020-07-22 Published:2021-08-19

摘要/Abstract

摘要： 为避免或抑制轨道车辆一次蛇行稳定性问题,在分析悬挂参数对轨道车辆蛇行运动模态频率变化规律基础上,选择阻尼比为0与5%分别计算车体一次蛇行运动对应的模态稳定性与悬挂阻尼参数的关系,得到通过优化悬挂参数提高车辆一次蛇行运动稳定性的方法。结果表明,选择不同阻尼比计算车体一次蛇行临界稳定性时阻尼参数范围差异较大;一定区间的横向阻尼或较大的垂向阻尼皆有利于保持车体上心滚摆稳定;过大或过小的垂向阻尼、过小横向阻尼又不利于车体下心滚摆稳定性;横、纵向阻尼增大有利于车体摇头稳定。

关键词: 轨道车辆, 蛇行运动, 模态分析, 稳定性分析

Abstract: In order to avoid or restrain the primary hunting stability of rail vehicles, correlation between the primary hunting stability and suspension damping parameters under the damping ratio of 0 and 5% is calculated based on the analysis of suspension parameters on the vehicle modal frequency. The method to improve the stability of vehicle hunting motion by optimizing suspension parameters is obtained. The results show that when selecting different damping ratios to calculate the critical stability, the range of damping parameters varies greatly. The lateral damping parameter in a certain range or a larger vertical damping is beneficial to keep the carbody upper sway motion stable. Too large or small vertical damping and too small lateral damping are detrimental to the lower sway stability of the car body. The increase of lateral or longitudinal damping parameter is beneficial to the yaw motion stability of the car body.

Key words: railway vehicle, hunting motion, model analysis, stability analysis

中图分类号:

U270.1
TP391

晏永, 曾京, 徐坤, 赵飞燕. 悬挂阻尼与车辆蛇行运动稳定性关系[J]. 系统仿真学报, 2021, 33(8): 1784-1790.

Yan Yong, Zeng Jing, Xu Kun, Zhao Feiyan. Relationship between Suspension Damping and Stability of Vehicle Hunting Motion[J]. Journal of System Simulation, 2021, 33(8): 1784-1790.

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悬挂阻尼与车辆蛇行运动稳定性关系

Relationship between Suspension Damping and Stability of Vehicle Hunting Motion

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