汽车滑行实验的计算机仿真  

Computer Simulation on Coastdown Testing of Automobile

作　　者：翁家庆[1] 沈颖刚[1] 赵坤[1] 张韦[1] 

机构地区：[1]昆明理工大学交通工程学院,昆明650224

出　　处：《拖拉机与农用运输车》2008年第4期30-31,共2页Tractor & Farm Transporter

基　　金：云南省中青年学术技术带头人后备人才专项基金资助(2007py01-7)

摘　　要：由汽车动力学微分方程推导出滑行减速度方程,经过积分得到滑行全过程的时间、距离与滑行初速度之间的关系,编制了MATLAB计算程序模拟汽车滑行实验,得出汽车滑行特性曲线,计算机模拟结果与实车滑行实验进行了比较。Based on the differential equation of the vehicle dynamic, the paper found out the deceleration degree function of automobile coastdown, got hold of the relation between the time, distance and the original velocity through integral in whole coastdown course. It gained the coastdown performance curve of automobile by use of the MATLAB calculation program to simulate coastdown testing of Automobile. The results of computer simulation were compared with the actual road coastdown testing of the vehicle.

关 键 词：汽车 滑行特性 实验 模拟 

分 类 号：U467[机械工程—车辆工程]