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基于车身减速度估计的ABS路面识别方法

, PP. 109-113

Keywords: 汽车工程,制动防抱死系统,实车试验,路面识别,车身减速度变化率

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Abstract:

?为改善制动防抱死系统(ABS)的控制效果,进行了大量实车道路试验,通过深入分析试验数据,提出了一种基于车身减速度估计的路面识别方法,从理论上证明了该方法的合理性,并结合试验数据说明了该方法的原理。将路面识别模块嵌入到ABS软件中,以捷达GTX轿车为试验车进行了干路面和雪路面工况下的实车试验。结果表明:基于车身减速度估计的路面识别方法能准确识别路面类型,ABS可根据路面识别结果采取不同的控制算法,最终改善了制动控制效果,提高了ABS对路面的适应性。

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