同济大学学报（自然科学版）2018，Vol.46Issue(1)：118-124,7.DOI:10.11908/j.issn.0253-374x.2018.01.017
基于耦合度的铁道车辆平稳性分析
Analysis of Ride Quality of Railway Vehicle Based on Coupling Degree
陈迪来 1沈钢 1宗聪聪1
作者信息
- 1. 同济大学铁道与城市轨道交通研究院,上海201804
- 折叠
摘要
Abstract
In order to research the influence of bogies hunting motion on car body shaking,a multi-rigid vehicle system model is established at first,and the local deterioration of lateral ride quality is reproduced.Secondly,the concept of modal coupling degree is defined based on the Euclidean Closeness which belongs to fuzzy mathematics theory.In order to reduce the coupling degree of the system,the suspension parameters of the vehicle are optimized.The results show that transverse coupling vibration occurs when the frequency of bogie hunting and the natural frequency of car body approach which can decreases the ride quality.The severe transverse coupling vibration is,the greater the degree of coupling is.The coupling degree of system can be reduced if the vehicle suspension parameters are appropriate.So that the transverse coupling vibration can be weakened and the local deterioration of the lateral ride quality will be eliminated.关键词
平稳性/耦合度/蛇行运动/共振/模态Key words
ride quality/coupling degree/hunting motion/resonance/modal分类
交通工程引用本文复制引用
陈迪来,沈钢,宗聪聪..基于耦合度的铁道车辆平稳性分析[J].同济大学学报（自然科学版）,2018,46(1):118-124,7.
