The invention discloses a signal control method and device for a shift left-turn intersection. The control method comprises the following steps: acquiring current traffic flow data; calculating the control period of the main signal lamp, the first phase green light display duration of the main signal lamp and the second phase green light display duration of the main signal lamp by using a Webster timing method; calculating the ratio of the left-turn traffic flow to the straight traffic flow in the direction corresponding to the main signal lamp, the starting time and duration of the pre-signal green light after the first phase starts, and the duration of the vehicle passing through the intersection at the entrance lane in the first direction; and when the ratio of the left-turn traffic flow to the straight traffic flow, the starting time and duration of the pre-signal green light after the first phase starts, and the duration of the vehicle passing through the intersection at the entrance lane in the first direction meet certain conditions, the main signal lamp and the pre-signal lamp are controlled by adopting a control method. The method has universality, and the passing efficiency of straight-going and left-turning vehicles is improved.
本发明公开了一种移位左转交叉路口的信号控制方法及装置,该控制方法包括以下步骤:获取现状交通流数据;利用韦伯斯特配时法计算主信号灯的控制周期、主信号灯第一相位绿灯显示时长、主信号灯第二相位绿灯显示时长,计算主信号灯对应方向的左转车流量与直行车流量的比值、第一相位开始后预信号绿灯的开始时间和持续时长、第一方向的进口道车辆通过交叉路口的时长;在左转车流量与直行车流量的比值、第一相位开始后预信号绿灯的开始时间和持续时长、第一方向的进口道车辆通过交叉路口的时长满足一定条件时,采用控制方法实现主信号灯和预信号灯的控制。其具有普适性,提高了直行和左转车辆的通行效率。
Signal control method and device for shift left-turn intersection
一种移位左转交叉路口的信号控制方法及装置
2024-06-28
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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