摘要
汽车在对开路面上紧急制动是汽车制动非常恶劣的一种工况。文中分析了车辆在对开路面上制动的稳定性问题并提出了相应的解决办法,根据简化车辆模型建立了相应状态空间方程,采用最优控制方法解决车辆稳定性问题。结合制动车辆的ABS(防抱制动系统),调整相应车轮的目标滑移率,通过对车辆的横摆力矩控制和相应的车轮滑移率和附着系数的调节使车辆保持制动稳定性,从而可以在不增加硬件成本的条件下完成车辆的稳定性控制。对车辆在对开路面的制动工况进行了仿真,结果表明,所提出的方法能有效改善对开路面上车辆的制动稳定性。
It＇s an atrocious condition for a vehicle to brake on a splitter road . In this paper, the problem of brake stability of vehicle on splitter road is analyzed and the corresponding method to deal with it is presented . A simplified vehicle model and corresponding state space equations are built, and stability control approach for braking vehicle on splitter road is presented on the basis of optimal control. Considering the ABS （ Anti - Lock Brake System）, through adjusting the goal slip ratio of wheels , the brake force of wheels and corresponding yaw torque of vehicle can be adjusted. Simulation shows that the stability of vehicle can be hold well by the presented method on splitter road.
出处
《计算机仿真》
CSCD
2007年第3期254-256,共3页
Computer Simulation
关键词
对开路面
车辆稳定性
防抱制动系统
仿真
Splitter road
Vehicle stability
Anti - lock brake system （ABS）
