The invention discloses a basic road section traffic simulation method based on a multi-lane cell transmission model. The method comprises the following steps: building a road cell node table and a road cell connection table of a simulation road network according to a real road topological structure; calculating the transmission flow among road cells; according to a multi-lane flow distribution algorithm, distributing, the transmission flow among the road cells, among lane cells to obtain the transmission flow among lanes, and determining the input and output flows of the lane cells; according to the input flow and the output flow of the lane cells, calculating densities, flow and speeds of the lane cells and the road cells in combination with a fundamental diagram model of lanes; according to the densities, flows, and speeds of the road cells at different moments, drawing a spatial-temporal change heat map. The method is simple and clear in steps and efficient in calculation, has important practical significance for traffic simulation of basic road sections of a road, and provides method support for traffic simulation of a traffic management system.

    本发明公开了一种基于多车道元胞传输模型的基本路段交通仿真方法,包括以下步骤:根据现实中道路拓扑结构,建立仿真路网的道路元胞节点表和道路元胞连接表;计算道路元胞之间的传递流量;根据多车道流量分配算法对道路元胞之间的传递流量在各车道元胞间进行分配,获得各车道之间的传递流量,并确定车道元胞的输入和输出流量;根据各车道元胞的输入流量和输出流量,结合车道的基本图模型,计算车道元胞和道路元胞的密度、流量和速度;根据不同时刻道路元胞的密度、流量和速度,绘制时空变化热度图。本发明步骤简明,计算高效,对实现道路基本路段的交通仿真具有重要的现实意义,为交通管理系统的交通仿真提供方法支撑。


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    Title :

    Basic road section traffic simulation method based on multi-lane cell transmission model


    Additional title:

    一种基于多车道元胞传输模型的基本路段交通仿真方法


    Contributors:
    JI XINKAI (author) / HAN YU (author) / LI ZHIBIN (author) / XU CHENGCHENG (author) / LIU PAN (author)

    Publication date :

    2022-02-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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