基于警示停车线的黄灯时长优化模型  

Optimal model of yellow light time based on warning stop line

作　　者：缪子英[1] 王锟[1] 李强强[1] 

机构地区：[1]合肥工业大学交通运输工程学院,安徽合肥230009

出　　处：《交通科技与经济》2013年第4期63-66,共4页Technology & Economy in Areas of Communications

基　　金：国家自然科学基金项目资助(51178158)

摘　　要：为减少闯黄灯现象和保障交叉口停车制动安全,在停车线前设置警示停车线。运用动力学原理,建立警示停车线距离模型。车辆到达警示停车线时,若为黄灯,则应减速制动并于停车线内停车;若为绿灯,则应匀速通过交叉口。基于警示停车线及上述驾驶原则,充分利用交叉口相邻相位交通流到达冲突点的时间差,建立黄灯时长优化模型。依据上述模型设置警示停车线和优化黄灯时长,可有效减少恶意闯黄灯现象,有利于保障交通安全,提高交通效率。In order to effectively reduce the phenomenon of malicious rushing yellow light and guarantee the safety of vehicle braking stopping in the entrance lanes of intersection, warning stop line is set up before stop line with a certain distance. Based on dynamics theory, a model on certain distance between stop line and warning stop line is established to guarantee the safety of vehicle braking stopping. The vehicle should brake and stop before stop line if the traffic signal light has turned yellow when the vehicle arrives the warning stop line. An optimal model on yellow light time is put forward here to make full use of the time difference,to ensure traffic safety and improve traffic efficiency.

关 键 词：交叉口 信号控制 警示停车线 黄灯时长 交通安全与效率 

分 类 号：U412.37[交通运输工程—道路与铁道工程]