Driver Reaction Time in Following Vehicle at Acceleration Regime
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摘要: 为了定量研究减速跟车状态下后车司机的反应时间,利用基于车载高精度GPS的实时动态车辆跟驰数据采集方法,在特定的道路、交通和司机的条件下,根据得到的减速跟车状态前后车辆速度变化的时间序列数据,准确地获得了后车司机的反应时间;通过分析后车司机反应时间频率直方图的变化趋势,确定减速跟车状态后车司机平均反应时间为0.97 s;在不同的跟车速度下,减速跟车状态下后车司机的反应时间也随之发生变化,得到了后车司机的反应时间与减速时的跟车速度之间的回归关系式,以及司机反应时间和车头时距回归关系式,计算出后车司机的反应时间介于0.83~1.92 s.Abstract: The reaction time of driver is the important matter of car following model research.The high precision GPS in vehicle was used to collect car following data in this paper.And the time serial car following data that reflecting driver behavior and vehicle moving character in real traffic flow was collected.The analysis method of driver reaction time in following vehicle was built especially aiming at deceleration regime.The probability distributing function and parameters of driver reaction time in following vehicle at deceleration regime were built,the function of relationship between driver reaction time and car following speed,and the function of relationship between driver reaction time and headway were built in this paper.
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Keywords:
- car-following /
- driver /
- reaction time
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