The invention discloses a traffic signal control method and system for optimizing traffic flow, and relates to the field of traffic control, a plurality of intersection signal machines form a signal control subsystem of a designated area, and the method comprises the following steps: carrying out analog simulation by using traffic flow information of a key intersection in the designated area and an initial timing scheme; the saturation of the key intersection is obtained; on the basis of the saturation degree of the key intersection, optimizing the signal control period, the green time ratio and the phase difference of each intersection in the specified area to form a new timing scheme; the traffic flow information of the key intersection in the designated area and the new timing scheme are used for analog simulation until the optimal timing scheme is obtained, and the target of the optimal timing scheme is that traffic flow driving in all directions in the designated area is free of congestion and has continuity. The method can adapt to the characteristic of random change of traffic flow information, and the timing scheme of the selected intersection in the area is obtained through optimization calculation according to the current traffic flow information, so that the control efficiency is improved.

    本发明公开了一种优化车流的交通信号控制方法及系统,涉及交通控制领域,将多个路口信号机组成一个指定区域的信号控制子系统,则该方法包括:利用指定区域内关键路口的车流信息及初始配时方案进行模拟仿真,并获得关键路口的饱和度;基于关键路口的饱和度,对指定区域内各个路口的信号控制周期、绿信比、相位差进行优化,形成新的配时方案;利用指定区域内关键路口的车流信息及新的配时方案进行模拟仿真,直至得出最佳的配时方案,最佳的配时方案的目标是指定区域内所有方向车流行驶无拥堵且具有连续性。该方法能够适应车流信息随机变化的特点,并根据当前车流信息优化计算得到区域内选定路口的配时方案,从而提高控制的效率。


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    Title :

    Traffic signal control method and system for optimizing traffic flow


    Additional title:

    一种优化车流的交通信号控制方法及系统


    Contributors:
    WANG SHENG (author) / QIU SHICHENG (author) / ZHOU XUN (author) / FENG CHAO (author) / WANG CHAO (author)

    Publication date :

    2025-03-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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