汽车ABS逻辑门限值控制方法研究

在逻辑门限值法中,轮速信号处理的好坏将直接影响到整个ABS( anti-lock braking system)的控制过程.提出一阶滤波系数自适应法对轮速信号进行平滑滤波处理,并针对试验中车辆跑偏现象,分别对前后轮的控制策略进行了设计.道路试验结果表明:经过滤波后的轮速信号较为光滑,能满足实时控制的要求,汽车在制动过程...

Study on the logic threshold control method in automobile ABS

The effect of the wheel speed signals processing will be a direct impact on the entire control process of ABS in the control strategy basing on the logic threshold method. In this paper, a method of the coefficient adaptive first-order inertial filter smoothing was proposed. Fatherly according to the phenomenon of vehicle driving wandering, the front and back wheel control strategy was separately designed. Road test result shows that wheel speed signals were made smooth after the filter, the method can meet the requirements of the real-time control. The wheels were not locked, the phenomenon of vehicle driving wandering was not occurred, the control strategy has achieved good control effect by using the control strategy in this paper.