摘要
根据国标GB／T7031—2005机械振动道路路面谱测量数据报告，在MatLab中编写了随机路面激励谱仿真程序；利用拉格朗日方程建立了1／2车辆动力学模型，并用Simulink对其进行了仿真；以不同等级路面和不同车速下的随机路面激励谱作为输入，分析了车辆在不同等级路面、不同车速下的车身加速度均方根值和后轮的动载荷均方根值。这对满足汽车行驶舒适性和行驶安全性的情况下优化悬架参数具有重要意义。
Firstly according to road spectrum measurement data report of mechanical vibration under National GB/T 7031-2005,write simulation program for random road incentive spectrum;establish 1/2 vehicle dynamical model by using lagrangian equations of motion,and make simulation by Simulink,take random road incentive spectrum as input under different grade road surface and different speed,analyse the body acceleration mean square root value and rear wheel moving load mean square root value under different grade road surface and different speed.This has a significant meaning of satisfying the simulation suspention parameter of the automotive driving comfort and driving safety.
出处
《客车技术》
2011年第4期11-14,共4页
Bus Technology
