The invention provides an intersection signal control and vehicle trajectory collaborative optimization method and system. The method comprises the following steps: acquiring real-time information of a vehicle based on vehicle-mounted equipment and a road side unit; establishing a dynamic constraint relationship between the passing time of the vehicle passing through the intersection parking line and the signal timing of the intersection signal lamp, and determining the passing time based on the dynamic constraint relationship and the real-time information; taking each phase of the intersection as a unit, taking the highest green light utilization rate as a target, and determining a signal control optimization scheme meeting periodic phase constraint and green light duration constraint conditions based on the passing time; and determining a vehicle formation strategy and a vehicle speed guiding strategy in each direction based on the signal control optimization scheme, and guiding the vehicle to pass through the intersection without stopping based on the vehicle formation strategy and the vehicle speed guiding strategy. According to the method, the traffic state is optimized in real time from the two dimensions of time and space by utilizing the advantages of traffic perception and control of the vehicle-mounted equipment and aiming at the traffic scene of the urban intersection, so that the road traffic efficiency is improved.

    本发明提供了一种交叉口信号控制与车辆轨迹协同优化方法及系统,其方法包括:基于车载设备和路侧单元获取车辆的实时信息;建立车辆通过交叉口停车线的通过时刻与交叉口信号灯的信号配时的动态约束关系,并基于动态约束关系和实时信息确定通过时刻;以交叉口每一相位为单位,以绿灯利用率最高为目标,并基于通过时刻确定满足周期相位约束和绿灯时长约束条件的信号控制优化方案;基于信号控制优化方案确定各个方向的车辆编队策略和车速引导策略,并基于车辆编队策略和车速引导策略诱导车辆不停车通过交叉口。本发明利用车载设备对交通感知和控制的优势,针对城市交叉口通行场景,从时间-空间两个维度实时优化交通状态,提高了道路通行效率。


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    Titel :

    Intersection signal control and vehicle trajectory collaborative optimization method and system


    Weitere Titelangaben:

    交叉口信号控制与车辆轨迹协同优化方法及系统


    Beteiligte:
    ZHANG YI (Autor:in) / SHI QIULING (Autor:in)

    Erscheinungsdatum :

    2023-11-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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