The invention discloses a traffic accident grading detection method based on a tilt angle sensor. The method comprises the following steps: acquiring guardrail acceleration collected by the tilt angle sensor; judging whether the current guardrail is in a static state or not according to the change state of the guardrail acceleration; when it is determined that the current guardrail is in a static state, calculating a guardrail inclination angle according to the obtained guardrail acceleration; the guardrail inclination angle is judged, and when the guardrail inclination angle is smaller than an inclination angle preset value, but the guardrail acceleration exceeds an acceleration preset value, guardrail collision alarm information is sent; and when the guardrail inclination angle exceeds the inclination angle preset value, guardrail toppling alarm information is sent. According to the invention, the problem of false alarm caused by too large inclination angle due to vibration of the inclination angle sensor on the guardrail when a large vehicle passes through is solved, and the problem of missed alarm caused by the fact that the collision translation state of the guardrail cannot be detected in the existing traffic accident monitoring based on the inclination angle sensor is solved at the same time.

    本发明公开一种基于倾角传感器的交通事故分级检测方法,包括:获取倾角传感器采集的护栏加速度;根据护栏加速度的变化状态判断当前护栏是否处于静态;在确定当前护栏处于静态时,根据获取的护栏加速度计算护栏倾角;对护栏倾角进行判断,在护栏倾角小于倾角预设值,但护栏加速度超过加速度预设值时,发送护栏被撞击报警信息;在护栏倾角超过倾角预设值时,发送护栏倾倒报警信息。本发明解决因大型车辆行驶经过引起护栏上的倾角传感器振动,进而检测到倾角过大导致误报警的问题,同时解决现有基于倾角传感器的交通事故监测无法检测出护栏被撞击平移状态,进而导致漏报警的问题。


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    Title :

    Traffic accident grading detection method based on tilt angle sensor


    Additional title:

    一种基于倾角传感器的交通事故分级检测方法


    Contributors:
    HUANG HUI (author) / RAI SHUN (author) / HU LANLAN (author) / SUN QIANG (author) / WU QILIN (author) / FENG XIMING (author) / DONG ZHONG (author) / JIANG QINGHE (author) / ZHU PENGFENG (author) / LI ZHOU (author)

    Publication date :

    2022-09-30


    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 / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes




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