Modeling of a stiffness-varying hydraulic bushing for enhancing hunting stability and curve-passing performance of railway vehicles

Liangcheng Dai, Maoru Chi, Xuyang Li, Pengcheng Zeng, Jianfeng Sun, Xingwen Wu, Shulin Liang, State Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, s Republic of China, School of Engineering, Zhejiang Normal University, s Republic of China, School of Mechanical Engineering, Southwest Jiaotong University, s Republic of China

Journal of Vibration and Control

Published online on November 27, 2025

Abstract

Journal of Vibration and Control, Ahead of Print.
The hunting stability and curve-passing ability of railway vehicles are inherently contradictory problems, and hydraulic bushings can effectively improve these contradictions due to their strong nonlinear characteristics. This paper presents a refined ...