The invention discloses an expressway tunnel accident judgment method, system, device and medium, a plurality of magnetic sensors are arranged on a target lane of a tunnel at equal intervals along the driving direction of the tunnel, and the method comprises the following steps: determining a first state of each magnetic sensor in a current time period according to first geomagnetic data corresponding to each magnetic sensor in the current time period; according to the first state of each magnetic sensor in the current time period, constructing a first vehicle distribution matrix corresponding to the target lane in the current time period; acquiring a second vehicle distribution matrix corresponding to the target lane in the second time period and a third vehicle distribution matrix corresponding to the target lane in the third time period; and according to the similarity among the first vehicle distribution matrix, the second vehicle distribution matrix and the third vehicle distribution matrix, determining whether an accident exists in the target lane in the current time period. The vehicle type can be identified based on the geomagnetic data, the abnormal condition of the tunnel is judged, the state in the tunnel is judged in time, and the probability that an accident is further expanded is reduced.

    本发明公开了一种高速公路的隧道事故判断方法、系统、设备和介质,沿着隧道的行车方向在隧道的目标车道上等间距地布设有多个磁感器,包括:根据各个磁感器在当前时段对应的第一地磁数据,确定各个磁感器在当前时段的第一状态;根据各个磁感器在当前时段的第一状态,构建目标车道在当前时段对应的第一车辆分布矩阵;获取目标车道在第二时段对应的第二车辆分布矩阵以及在第三时段对应的第三车辆分布矩阵;根据第一车辆分布矩阵、第二车辆分布矩阵以及第三车辆分布矩阵之间的相似程度,确定目标车道在当前时段是否存在事故。本发明能够基于地磁数据能够识别车辆类型,判断隧道异常情况,及时判断隧道内的状态,减小事故进一步被扩大的几率。


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    Titel :

    Method, system and equipment for judging tunnel accident of expressway and medium


    Weitere Titelangaben:

    一种高速公路的隧道事故判断方法、系统、设备和介质


    Beteiligte:
    NIU XINZHENG (Autor:in) / YE LIBIN (Autor:in) / ZHAO QIJUN (Autor:in) / MA YONG (Autor:in) / CHEN JIAN (Autor:in) / DAI LUCHUAN (Autor:in) / ZHANG YUAN (Autor:in) / FU KEREN (Autor:in) / YONG HAN (Autor:in)

    Erscheinungsdatum :

    21.06.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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