Adaptability of variable stiffness and damping shock absorber for semi-active suspension of high speed train

被引：0
|
作者：
Jin T.-H. [1 ,2 ]
Liu Z.-M. [1 ]
Ren Z.-S. [1 ]
Zhang X.-J. [3 ]
Li X. [1 ]
机构：
[1] School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing
[2] Beijing Aerospace Measurement and Control Technology Co.Ltd., Beijing
[3] CRRC Tangshan Co. Ltd., Tangshan
来源：
Zhendong Gongcheng Xuebao/Journal of Vibration Engineering | 2020年 / 33卷 / 04期
关键词：
Anti-yaw damper; Damping; High-speed train; Semi-active suspension; Stiffness; Wear wheel-rail;
D O I：
10.16385/j.cnki.issn.1004-4523.2020.04.016
中图分类号：
学科分类号：
摘要：
In view of the high speed, long operating mileage, and increased wheel-rail wear of high-speed trains, the passive suspension anti-yaw damper has poor adaptability, resulting in insufficient stability of the bogie anti-yaw performance. Therefore, a semi-active suspension anti-yaw damper is studied in this paper. Firstly, based on the nonlinear characteristics of high-speed train suspension system and the nonlinear characteristics of wheel-rail contact, a high-speed train model and a magneto-rheological damper model as well as a variable stiffness and damping anti-yaw damper model are established. Secondly, the influence of anti-yaw stiffness and damping parameters on the vehicle dynamics performance with new wheel-rail and worn wheel-rail is analyzed. The semi-active suspension control strategy is proposed for the worn wheel-rail contact. Finally, the difference of running performance between passive suspension and semi-active suspension vehicle is compared and analyzed. The results show that by using the semi-active suspension to adjust the stiffness and damping parameters of the anti-yaw shock absorb, the running performance of the vehicle in contact with worn wheel-rail can be greatly improved, which ensures that the frame does not suffer from yaw-instability. Compared with the vehicle with passive suspension, the lateral accelerations of the car body and the bogie are reduced by 22.4% and 16.0%, respectively. © 2020, Nanjing Univ. of Aeronautics an Astronautics. All right reserved.
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页码：772 / 783
页数：11
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