降低车辆振动的悬架参数多体动力仿真分析和优化

作者：杨炜，刘志斌，周罗彬 日期：2010-03-26/span> 浏览：2835 查看PDF文档

降低车辆振动的悬架参数多体动力仿真分析和优化

杨炜，刘志斌，周罗彬
（宁波工程学院 机械工程学院，浙江 宁波 315016）

摘要：针对悬架结构参数对由于路面不平而产生的车辆振动的影响，通过在多体动力学分析工具ADAMS环境下，综合运用参数化设计、单变量和多变量的筛选实验以及正交实验优化方法，对建立的车辆1/4悬架模型作了分析和研究；最后以降低车轮最大振动加速度为优化指标，在极差分析结果的指导下，得出了实验约束范围内悬架参数最优解。研究结果表明，该优化方法有助于降低类似悬架等复杂系统的优化求解的难度，且优化效果明显。
关键词：悬架；多体动力学仿真；优化
中图分类号：U463.33文献标识码：A文章编号：1001-4551(2010)01-0065-04

Multibody dynamic simulation analysis and optimization
for parameters of the vehicle suspension to reduce vibration
YANG Wei, LIU Zhibin, ZHOU Luobin
（Mechanical Engineering faculty, Ningbo University of Technology, Ningbo 315016, China）
Abstract: Aiming at studying the effects of the suspension structural parameters on vehicle vibration caused by the uneven road, a certain 1/4 suspension model was established in the multibody dynamic analysis tools ADAMS environment. By comprehensivly using parametric design, univariate and multivariate selection experiments and orthogonal design optimization method, analysis and research of the model were made. Finally, in order to reduce peak vibration acceleration, the optimal solutions of suspension parameters within the experimental binds were obtained based on the deviation analysis results. The results indicate that the method mentioned above can contribute to reducing the difficuty of finding the solutions of complex systems like the suspension and to improving the optimization effects obviously.
Key words: suspension; multibody dynamics simulation; optimization