The invention discloses an expressway main channel transfer traffic volume calculation method and system, and the method comprises the steps: firstly constructing a computable traffic network which comprises a computable highway network and a computable comprehensive network, then building a generalized utility model which comprises a road segment generalized utility model and a node generalized utility model, and carrying out the generalized utility calculation; districts are divided, so that district division schemes of the computable road traffic network and the computable comprehensive traffic network are consistent, and a traffic demand matrix is obtained; and based on the generalized utility model and the traffic demand matrix, traffic distribution is carried out to obtain the traffic volume # imgabs0 # of the expressway main channel L under the road traffic distribution and the traffic volume # imgabs1 # of the expressway main channel L under the comprehensive traffic distribution so as to obtain the transfer traffic volume of the expressway main channel. According to the method, the node generalized utility model is introduced, the hub nodes are converted into the virtual traffic network composed of the virtual nodes and the virtual road sections, conversion between traffic modes is achieved, and the calculation result is more accurate.

    本发明公开了一种高速公路主通道转移交通量计算方法及系统,首先构建包括可计算公路网络和可计算综合网络的可计算交通网络,再建立包括路段广义效用模型和节点广义效用模型的广义效用模型,进行广义效用计算;划分小区,使可计算公路交通网络与可计算综合交通网络小区划分方案一致,获取交通需求矩阵;基于广义效用模型及交通需求矩阵,分别进行交通分配,得到公路交通分配下高速公路主通道L的交通量#imgabs0#及综合交通分配下高速公路主通道L的交通量#imgabs1#从而获得高速公路主通道的转移交通量。本发明方法引入节点广义效用模型,将枢纽节点转化为由虚拟节点及虚拟路段构成的虚拟交通网络,实现了交通方式间的转换,使计算结果更准确。


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    Title :

    Expressway main channel transfer traffic volume calculation method and system


    Additional title:

    一种高速公路主通道转移交通量计算方法及系统


    Contributors:
    TIAN YUAN (author) / LENG XUE (author) / CHANG XINRAN (author) / ZOU YUN (author) / SHI SHUMING (author)

    Publication date :

    2024-06-07


    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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