虚拟轨道车辆二系垂向刚度和阻尼对车辆平稳性和可控性的影响分析  

Investigation on Influences of Secondary Vertical Stiffness and Damping on Stability and Controllability for Virtual Orbit Vehicle

作　　者：赵昀陇 池茂儒[1] 贾鹏 张成铭 于忠建 代亮成[1] ZHAO Yunlong;CHI Maoru;JIA Peng;ZHANG Chengming;YU Zhongjian;DAI Liangcheng(State Key Laboratory of Traction Power,Southwest Jiaotong University,Chengdu 610031,China;CRRC Changchun Railway Vehicles Co.,Ltd.,Changchun 130062,China)

机构地区：[1]西南交通大学牵引动力国家重点实验室,成都610031 [2]中车长春轨道客车股份有限公司,长春130062

出　　处：《铁道机车车辆》2021年第4期21-27,共7页Railway Locomotive & Car

基　　金：国家重点研发计划资助项目(2018YFB1201600、2016YFB120404)。

摘　　要：为研究虚拟轨道车辆二系垂向刚度和阻尼对车辆平稳性和可控性的影响及二系垂向刚度和阻尼的优化方案,运用多体动力学理论与循迹控制方法建立了考虑胎地耦合与机电耦合的虚拟轨道车辆动力学联合仿真模型。利用该模型,对二系垂向刚度和阻尼对虚拟轨道车辆平稳性和可控性的影响进行研究。研究结果表明:二系垂向刚度对虚拟轨道车辆平稳性和可控性的影响是相互矛盾的,当二系垂向刚度值约为5 MN/m时能兼顾平稳性与可控性;二系垂向减振器阻尼值取40~50 kN·s/m时能得到较优的车辆平稳性。In order to research the influences of secondary vertical stiffness and damping on stability and controllability for virtual orbit vehicle and optimize the secondary vertical stiffness and damping, a dynamic model of virtual orbit vehicle considering tire coupling and electro-mechanical coupling is established, based on the multi-body dynamics theory and traction control method. The effects of the secondary vertical stiffness and damping on the stability and controllability of the virtual orbit vehicle are studied adopting the dynamic model. The following conclusions can be drawn that the influence of the secondary vertical stiffness on the stability and controllability of the virtual orbit vehicle is contradictory. When the secondary vertical stiffness is about 5 MN/m, both stability and controllability can be considered. The stability of vehicle is optimal with the secondary vertical damping of 40~50 kN·s/m.

关 键 词：虚拟轨道车辆 平稳性 可控性 二系垂向刚度 二系垂向阻尼 

分 类 号：U270.11[机械工程—车辆工程]