4WS汽车虚拟模型的闭环控制动力学仿真  

Dynamics Simulation on Closed-loop Control of Four-wheel Steering Car Virtual Model

作　　者：宋正华[1] 陈南[1] 

机构地区：[1]东南大学机械工程系,江苏南京210096

出　　处：《机械制造与自动化》2005年第1期93-96,共4页Machine Building & Automation

基　　金：Ford-NSFC及NSFC专项基金资助(50122153);江苏省科技攻关项目(BE2003013)资助

摘　　要：利用机械系统仿真软件ADAMS建立了一种新设计的四轮转向(4WS)汽车的整车虚拟模型;利用MATLAB/Simulink建立了4WS汽车的控制策略;通过ADAMS与MATLAB/Simulink交互式联合仿真,研究了闭环控制下4WS汽车的瞬态和稳态操纵动力学特性。另外,仿真比较了基于横摆角速度多状态最优控制方法下、不同底盘结构参数对车辆操纵稳定性的影响。A 4WS whole car virtual model is built with the mechanical multi-body dynamics software ADAMS in this paper. The control strategy of 4WS car was established by applying MATLAB/Simulink, and the research about the transient and steady steering dynamic characteristics of the car using 4WS closed-loop control is made by the interactive simulation of ADAMS and MATLAB/SIMULINK. The simulation results show that the different underpan parameters have important influence on the maneuvering stability of 4WS car based on the yaw angular-rate multiple status control, and the influence is analysed in the end.

关 键 词：四轮转向 虚拟模型 操纵稳定性 ADAMS MATLAB 

分 类 号：U461.3[机械工程—车辆工程] TP391.9[交通运输工程—载运工具运用工程]