基于V2X的单向道路信号灯协调控制方法（英文）

Coordinated control method of intersection traffic light in one-way road based on V2X

单向交通在提高车速和减少交通延误方面具有很大的潜力。由于城市道路网密集,相邻交叉口之间的距离相对较近,使得单点交叉口信号控制效果较差。因此,在单向道路实现多交叉口的信号协调控制具有重要意义。本文提出了一种适用于单向道路的信号协调控制方法。该方法利用车路协同技术,收集交叉口交通信息并将该信息发送到相邻交叉口;协调系统中每个交叉口采用自适应信号控制,根据实时排队车辆数调整交叉口绿灯时间;同时,利用实时交通量计算相邻路口时差和清空时间。利用VISSIM交通仿真软件的仿真结果验证了该方法的有效性。与其他协调控制方法的比较结果显示,本文提出的方法能够有效降低车辆在主干道的行驶延误,提高交通效率。

One-way roads have potential for improving vehicle speed and reducing traffic delay.Suffering from dense road network,most of adjacent intersections’distance on one-way roads becomes relatively close,which makes isolated control of intersections inefficient in this scene.Thus,it is significant to develop coordinated control of multiple intersection signals on the one-way roads.This paper proposes a signal coordination control method that is suitable for one-way arterial roads.This method uses the cooperation technology of the vehicle infrastructure to collect intersection traffic information and share information among the intersections.Adaptive signal control system is adopted for each intersection in the coordination system,and the green light time is adjusted in real time based on the number of vehicles in queue.The offset and clearance time can be calculated according to the real-time traffic volume.The proposed method was verified with simulation results by VISSIM traffic simulation software.The results compared with other methods show that the coordinated control method proposed in this paper can effectively reduce the average delay of vehicles on the arterial roads and improve the traffic efficiency.