基于递推动力学的汽车悬架实时仿真模型  

Vehicle suspension real-time simulation model based on recursive dynamics

作　　者：管欣[1] 吴振昕[1] 詹军[1] 

机构地区：[1]吉林大学汽车动态模拟国家重点实验室,吉林长春130025

出　　处：《江苏大学学报（自然科学版）》2007年第4期297-300,共4页Journal of Jiangsu University：Natural Science Edition

基　　金：教育部科学研究重点项目(03055)

摘　　要：针对车辆动力学实时仿真的要求,面向悬架具体结构,应用递推动力学方法,建立了悬架系统模型.模型由于铰链相对坐标的引入,减少了需求解的方程数目,提高了求解效率,使模型既能面向悬架具体结构,又能够满足车辆动力学实时仿真的需要.基于这种建模方法建立了国产某轿车的麦弗逊式悬架模型,并进行仿真,其结果与道路试验及ADAMS仿真结果有较好的一致性,验证了模型的精度.A method based on recursive dynamics is proposed to build a suspension system model for the real-time vehicle dynamic simulation. Using the relative joint coordinates the numbers of system equations are decreased and the model solving efficiency is improved. Comparing to traditional multi-body model, the suspension model based on recursive dynamics can orient suspension structure, and meet the requirement of real-time vehicle dynamic simulation. Based on this method, a Macpherson strut suspension model is created for a homemade car. The simulation results agree well with that of road test and ADAMS simulation.

关 键 词：递推动力学 面向结构 悬架模型 实时仿真 

分 类 号：U461.6[机械工程—车辆工程]