基于D-最优试验设计的麦弗逊悬架优化  

Optimization of the McPherson suspension based on D-optimal test design

作　　者：周军超[1,2] 袁杰 廖映华 汤爱华[1,2] ZHOU Junchao;YUAN Jie;LIAO Yinghua;TANG Aihua(School of Mechanical Engineering,Sichuan University of Science and Engineering,Zigong 643000,Sichuan,China;The Artificial Intelligence Key Laboratory of Sichuan Province,Zigong 643000,Sichuan,China)

机构地区：[1]四川理工学院机械工程学院,四川自贡643000 [2]人工智能四川省重点实验室,四川自贡643000

出　　处：《中国工程机械学报》2018年第5期443-447,452,共6页Chinese Journal of Construction Machinery

基　　金：四川省教育厅资助项目(18ZB0423);人工智能四川省重点实验室资助项目(2017RYY04);四川理工学院培育资助项目(2014PY04)

摘　　要：汽车操纵稳定性和舒适性成为评价汽车性能的重要技术指标之一,而汽车操纵稳定性和舒适性都与汽车悬架性能密不可分.以麦弗逊式悬架为研究对象,结合D-最优试验设计理论,建立了汽车的麦弗逊独立悬架动力学模型.结合随机路面模型仿真,对悬架各个结构参数进行最优实验分析,得到麦弗逊式悬架优化性能参数.经过优化分析与优化前悬架的性能进行对比,得出最优结构参数.优化实验结果表明:优化后麦弗逊式悬架综合性能得到了进一步提升.Vehicle handling stability and riding comfort becomes one of important technical index for performance evaluation,and the vehicle steering stability and comfort is closely connected with the automobile suspension performance.Taken with McPherson suspension as the research object,McPherson independent suspension multibody dynamics model is build combined with D-optimal experimental design theory.Simulation model combined with the random road is got by analyzed each structural parameter.McPherson suspension performance parameters were obtained.Comparing optimized analysis with optimization of the performance of the front suspension,the optimal structural parameters are obtained.Optimization of the experimental results show that the comprehensive performance of the McPherson suspension optimized was further ascension.

关 键 词：麦弗逊式悬架 D-最优试验设计优化 仿真分析 ADAMS/CAR 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术] U463.33[自动化与计算机技术—计算机科学与技术]