车下悬吊系统耦合振动的半主动控制研究  

Study on Semi-active Control of Coupled Vibration of Carbody Underframe Suspended System

作　　者：田向阳[1] 曾京[1] 汪群生[1] 

机构地区：[1]西南交通大学牵引动力国家重点实验室,四川成都610031

出　　处：《机车电传动》2017年第6期87-92,共6页Electric Drive for Locomotives

基　　金：国家自然科学基金项目(U1334206;51475388);中国铁路总公司科研计划项目(2016J001-B;2014J004-A)

摘　　要：为减小车体弹性振动,保护车下悬吊设备,研究了车体和车下悬吊设备的耦合振动关系,优化车辆动力学性能。考虑车体的弹性结构,建立车体与车下悬吊设备的刚柔耦合动力学仿真模型,对比分析了车下悬吊系统在被动控制方案和基于天棚阻尼的半主动控制方案下对车体弹性振动的影响,并分析了合理参数匹配的重要性。此外,以车下设备的质量为例研究了对半主动控制效果的影响。研究结果表明:在合理的参数匹配下,半主动控制方案能够有效降低车体的弹性振动;当车下设备质量较大时,半主动控制方案优于被动控制,且在一定范围内随质量增大减振效果更加明显。To reduce the vibration of car body and protect carbody underframe suspended equipment,the coupling vibration relationship between carbody and carbody underframe suspension equipment was studied to improve vehicle dynamic performance.Considering the elastic vibration of the vehicle body,rigid and flexible coupling dynamics model of the carbody and carbody underframe suspension equipment was established.The influence of the passive control scheme and the semi-active control scheme based on the ceiling damping on vehicle vibration was analyzed and compared.The importance of reasonable parameter matching was analyzed.In addition,taking the quality of suspension equipment as an example,the effect of semi-active control was discussed.The results showed that：the semi-active control scheme could reduce the elastic vibration of the car body under the reasonable parameter matching;when the weight of suspension equipment was larger,semi-active control scheme was better than passive control.Within a certain range,the damping effect was more obvious with the increasing in weight.

关 键 词：车下悬吊系统 弹性振动 半主动控制 参数匹配 

分 类 号：U292.914[交通运输工程—交通运输规划与管理]