The invention relates to the technical field of road traffic, and discloses a method for determining the preposition distance of an exit forecast sign under an ultra-high-speed working condition, and the method comprises the following steps: 1, determining road condition information which comprises the grade of an ultra-high-speed highway, the main line design speed of the ultra-high-speed highway, the number of lanes, the width of the lanes, and the ramp speed-limiting speed; the super-expressway grade comprises a super-first grade, a super-second grade and a super-third grade; step 2, acquiring vehicle condition information of the simulated vehicle, wherein the vehicle condition information comprises an automation level of the simulated vehicle; 3, establishing different test scenes according to the road condition information and the vehicle condition information; step 4, simulating driving of the vehicle in different test scenes, obtaining output data in each test scene, analyzing the rationality of front distance length and form setting in the test scene according to the output data, and determining a front distance recommendation value; the invention provides a method for accurately determining the preposition distance of the outlet forecast sign under the ultra-high-speed working condition.

    本发明涉及公路交通技术领域,公开了一种超高速工况下出口预告标志前置距离的确定方法,包括以下步骤:步骤一,确定路况信息,所述路况信息包括超高速公路等级,超高速公路主线设计速度,车道数,车道宽度,匝道限速速度;所述超高速公路等级为超一等级,超二等级,超三等级;步骤二,获取模拟车辆的车况信息,所述车况信息包括模拟车辆的自动化等级;步骤三,根据路况信息和车况信息建立不同的测试场景;步骤四,模拟车辆在不同的测试场景行驶,获取每一测试场景下的输出数据,根据输出数据分析该测试场景下的前置距离长度和形式设置的合理性,确定前置距离推荐值;提供一种精准确定超高速工况下出口预告标志前置距离的方法。


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    Titel :

    Method for determining preposition distance of outlet forecast sign under ultra-high-speed working condition


    Weitere Titelangaben:

    一种超高速工况下出口预告标志前置距离的确定方法


    Beteiligte:
    XU JIN (Autor:in) / YANG XUEMIN (Autor:in) / ZHENG ZHANJI (Autor:in) / DU ZHIGANG (Autor:in) / LYU NENGCHAO (Autor:in) / FENG ZHONGXIANG (Autor:in) / CHEN FENG (Autor:in)

    Erscheinungsdatum :

    2023-11-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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