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驾驶人分心时长对车道偏离影响的实车试验

, PP. 1095-1101

Keywords: 交通运输安全工程,分心驾驶,车道偏离,驾驶人,碰撞

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Abstract:

为了明确分心过程中的车道偏离规律,从而降低分心驾驶时因车道偏离引发的碰撞事故,在实际道路中进行行车试验,对参试的12名驾驶人共记录了398次分心过程的车辆运动状态数据。选取车道偏离的均值、方差和偏离幅度来表征车道偏离的程度,分别对该3项统计指标与分心时长进行相关性检验和拟合分析,并按时长分组对比分析分心驾驶与正常驾驶时的该3项指标,得到了车道偏离随驾驶分心时长的变化关系。结果表明:驾驶分心过程中的车道偏离高于正常驾驶;车道偏离随着驾驶分心时长的增加而增大,并且增大速度越来越快;当分心时长超过3.0s时,车辆的车道偏离量在短时间内迅速增大。

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