The invention relates to the technical field of traffic signal control, in particular to a signal intersection model based on a colored Petri network and a control method. The model determines the position of a vehicle counter according to the definition of an intersection; tokens with different colors are adopted to represent different vehicle types; constructing a modular model of an intersection path and a modular model of intersection path signal control according to the definition of the intersection; and constructing a Petri network model of the intersection through the modular model of the combined path so as to establish a control model of the signalized intersection. According to the model constructed by the invention, different types of vehicles can be well distinguished, each process that the vehicles pass through the intersection is simulated, and a complete intersection model is constructed by combining modular models, so that the model has extremely high universality and is suitable for different intersection types; and the constructed model can be flexibly and externally connected with a signal control optimization model meeting requirements, so that the passing efficiency is improved on the premise of ensuring the vehicle safety.

    本发明涉及交通信号控制技术领域,具体涉及一种基于着色Petri网的信号交叉口模型及控制方法。该模型根据对交叉口的定义,确定车辆计数器位置;采用不同颜色的令牌表示不同的车型;根据对交叉口的定义,构建交叉口路径的模块化模型和交叉口路径信号控制的模块化模型;通过组合路径的模块化模型,构建交叉口的Petri网模型,以建立信号交叉口的控制模型。本发明所构建的模型可以很好地区分车辆的不同类型,模拟车辆通过交叉口的各个过程,并通过组合模块化模型构建完整交叉口模型,具有极强的普适性,适用于不同的交叉口类型;所构建的模型能够灵活的外接符合需求的信号控制优化模型,从而在保证车辆安全的前提下提高通行效率。


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    Title :

    Signal intersection model based on colored Petri network and control method


    Additional title:

    一种基于着色Petri网的信号交叉口模型及控制方法


    Contributors:
    ZANG YANWEI (author) / WANG WEILIN (author) / WULIJI BAIYILA (author) / GONG ZHAOHUI (author) / YU MIAO (author) / YAN LILI (author)

    Publication date :

    2024-12-13


    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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