The invention discloses a signal lamp arbitrary release control method and a bus-based signal lamp control system, and relates to the technical field of intelligent traffic control, and the method comprises the steps: calculating the release urgency evaluation value of each lane of any intersection at the current moment; selecting the lane with the maximum release urgency evaluation value as a first release lane, and giving an intelligent lamp group release instruction corresponding to the current release lane; in the release process, the number of queuing vehicles and the waiting duration of each lane are updated in real time, and after the shortest release duration of the current release lane is met, if a switching condition is met, a lamp color switching instruction of the intelligent lamp set corresponding to the current release lane is given; and calculating the release urgency evaluation value again, and dynamically obtaining an optimal release scheme of the intersection. The control system quickly and synchronously transmits a lamp color switching instruction to the intelligent signal lamp group and the red light signal bus detection box based on a bus transmission protocol, so that the time difference between signal lamp switching and snapshot starting is well controlled, and the snapshot accuracy is ensured.

    本发明公开了信号灯任意放行控制方法及基于总线的信号灯控制系统,涉及智能交通控制技术领域,该方法包括:计算当前时刻任一路口各车道的放行迫切性评估值;选择放行迫切性评估值最大的车道作为第一放行车道,并给出当前放行车道对应的智能灯组放行指令;放行过程中实时更新各车道的排队车辆数和已等待时长,在满足当前放行车道的最短放行时长后,若满足切换条件则给出当前放行车道对应的智能灯组切换灯色指令;重新执行计算放行迫切性评估值,动态得出该路口的最优放行方案。控制系统基于总线传输协议,快速将切换灯色指令同步传输到智能信号灯组和红灯信号总线检测盒,很好的控制了信号灯切换和抓拍启动之间的时差,保证抓拍准确率。


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    Titel :

    Signal lamp random release control method and bus-based signal lamp control system


    Weitere Titelangaben:

    信号灯任意放行控制方法及基于总线的信号灯控制系统


    Beteiligte:
    XU YI (Autor:in)

    Erscheinungsdatum :

    11.07.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / H05B ELECTRIC HEATING , Elektrische Heizung



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