网联环境下基于站点时刻表的公交信号优先方法

Transit Signal Priority Method Based on Schedule Under Connected Vehicle Environment

为了提高公交车准点率,考虑到网联交通环境下车辆信息可知,根据公交车旅行时间及预测到达交叉口的时间建立公交车优先通行策略选择模型;根据公交车到达停车线时间、延误时长和到达时刻在绿灯相位的位置计算生成新的配时方案。通过仿真计算,结果表明:运用建立的优先通行策略选择模型,公交车的平均准点率可提高26.67%,总平均旅行时间可减少27.41%,且可通过少量增加交叉口社会车辆延误大幅度减少交叉口公交车的人均延误。

In order to improve bus punctuality rates,considering the location of the vehicle can be known in the network traffic environment,the priority traffic strategy selection model was established according to bus travel times and the time forecast to reach the intersection.At the same time,a new timing scheme was generated according to the time the bus arrives at the parking line,the length of the delay time,and the location of the green light at the arrival time.Finally,it is shown by simulation and calculation：the average punctuality rate of the bus can be increased by 26.67%,the total average travel time reduced by 27.41%,and a small increase of social vehicle delays can significantly reduce the average bus delay at intersections.