The invention discloses a multi-path collaborative green wave optimization method for a long-distance trunk road. The method comprises the following steps: S1, acquiring a long-distance trunk road network structure, intersection signal timing parameters and vehicle trajectory data; s2, selecting a key traffic flow path in the long-distance trunk road according to the vehicle trajectory data; s3, taking the intersection as a segmentation point, and establishing a key traffic flow path green wave constraint formula; s4, establishing a multi-path collaborative green wave optimization model by taking the maximization of the bandwidth of the key traffic flow path and the minimization of the parking waiting time as optimization objectives; and S5, solving the multi-path collaborative green wave optimization model, and outputting an optimal coordination control timing scheme. According to the method, long-distance trunk road subarea division and multi-traffic-stream synchronous green wave passing requirements are comprehensively considered, the overall operation efficiency of the long-distance trunk road can be remarkably improved under the conditions of a short period and low saturation, and the parking delay time of running vehicles at the intersection is shortened.

    本发明公开了一种长距离干道多路径协同绿波优化方法,所述方法包括:S1.获取长距离干道路网结构、交叉口信号配时参数和车辆轨迹数据;S2.根据车辆轨迹数据,选出长距离干道中的关键车流路径;S3.以交叉口为分割点,建立关键车流路径绿波约束式;S4.以关键车流路径带宽最大化和停车等待时间最小化为优化目标,建立多路径协同绿波优化模型;S5.求解多路径协同绿波优化模型,输出最佳协调控制配时方案。本发明综合考虑长距离干道子区划分和多股车流同步绿波通行需求,能够在短周期和低饱和度下显著提升长距离干道整体运行效率,降低行驶车辆在交叉口的停车延误时间。


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    Title :

    Long-distance trunk road multi-path collaborative green wave optimization method


    Additional title:

    一种长距离干道多路径协同绿波优化方法


    Contributors:
    SHOU YANFANG (author) / XU JIANMIN (author)

    Publication date :

    2024-02-09


    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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