汽车跟驰状态下驾驶员反应时间研究

驾驶员反应时间是评价驾驶安全性的重要指标之一。本研究采用互相关分析法与灰色关联分析法相结合的方式对驾驶员反应时间进行标定，并结合简单反应时间、复杂反应时间双正态分布的理论假设，通过大量的实测数据对假设的合理性进行验证。结果表明，理论假设能够很好地解释反应时间的实测数据，反应时间的实测数据可以由这两个正态分布的混合分布来拟合。对跟驰状态下反应时间的深入研究，为驾驶员形成进一步的行动方案和提升驾驶安全性提供重要的理论参考。

Study on Driver's Reaction Time (DRT) During Car Following

The driver''s reaction time (DRT) is an important parameter of driving safety. This paper developed a new method based on the combined use of cross-correlation analysis and the gray correlation analysis to calculate DRT during car following. Furthermore, an assumed model of normal distribution with simple reaction time and complex reaction time as variables was verified by DRT values calculated from the data experimentally collected from a road test. The current study provides useful information about calculation of DRT during car following, and is very meaningful and important in terms of the enhancement of driving safety.