The invention discloses a safety device for reducing the back-up collision risk in the automatic driving test process, and belongs to the technical field of automatic driving test safety. Aiming at the collision risk problem caused by rapid movement of dynamic obstacles and communication delay when a vehicle backs up in a closed test site, the device obtains millimeter-level position coordinates and course angles through positioning units deployed on a test vehicle and a target object; a C-V2X protocol is utilized to construct a real-time data link to share vehicle position, speed, backing track prediction data and target object outer contour feature point coordinates, potential conflicts are identified based on future minimum spacing calculation and dynamic threshold, and a cooperative collision avoidance path is generated in combination with a distributed optimization algorithm. And the high-risk vehicle preferentially preempts a communication channel to issue deceleration, course adjustment and braking instructions to surrounding vehicles. The device can effectively improve the reversing safety in a multi-vehicle cooperative test scene, and is suitable for collision risk real-time early warning and active intervention of an automatic driving vehicle closed test site.

    本发明公开了用于降低自动驾驶测试过程中倒车碰撞风险的安全装置,属于自动驾驶测试安全技术领域。该装置针对封闭测试场地中车辆倒车时因动态障碍物快速移动及通信延迟导致的碰撞风险问题,通过部署于测试车辆及目标物的定位单元获取毫米级位置坐标和航向角,利用C‑V2X协议构建实时数据链路共享车辆位置、速度、倒车轨迹预测数据以及目标物外轮廓特征点坐标,基于未来最小间距计算和动态阈值识别潜在冲突,结合分布式优化算法生成协同避撞路径,使高风险车辆优先抢占通信信道向周边车辆下发减速、航向调整及制动指令。该装置可有效提升多车协同测试场景下的倒车安全性,适用于自动驾驶车辆封闭测试场地的碰撞风险实时预警与主动干预。


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    Titel :

    Safety device for reducing back-up collision risk in automatic driving test process


    Weitere Titelangaben:

    用于降低自动驾驶测试过程中倒车碰撞风险的安全装置


    Beteiligte:
    LIU MENGHUI (Autor:in)

    Erscheinungsdatum :

    29.04.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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