汽车前后悬架固有频率的匹配研究  

A Study on the Matching between Natural Frequencies of Front and Rear Suspensions

作　　者：张立军[1] 段敏[1] 何辉[1] 

机构地区：[1]辽宁工学院

出　　处：《汽车工程》1998年第6期356-361,共6页Automotive Engineering

基　　金：辽宁省自然基金;教委基金资助项目

摘　　要：本文从减小汽车纵向角振动出发,分析了前后悬架固有频率的匹配问题,给出了前后悬架固有频率比值与汽车质心位置、簧载质量分配系数ε的关系。并通过实例进行了4自由度模型的角振动分析。结果表明:匹配后的汽车俯仰加速度均方很值可减小约30％。In this paper, the matching between natural frequencies of front and rear suspensions is analysed for reducing the pitching movement of sprung mass. The relations of the natural frequencies ratio versus the location of center of gravity and the distribution coeffieent ? is analyzed with a 4 DOF model as an example, and the results show that the rms of pitch acceleration can be reduced by some 30% after a good matching.

关 键 词：汽车 悬架 纵向角振动 固有频率匹配 

分 类 号：U463.32[机械工程—车辆工程]