The invention provides a forward collision early warning method and an active braking system. The method comprises the steps that a main vehicle receives a basic safety message sent by a far vehicle,and the basic safety message at least includes a timestamp, a far vehicle longitude and latitude, a far vehicle altitude, a far vehicle heading, a far vehicle speed and a far vehicle acceleration; themain vehicle calculates collision time between the main vehicle and the far vehicle according to the information of the main vehicle and the basic safety message; and if the collision time is smallerthan a safety calibration value, the main vehicle generates and outputs forward collision early warning, and information in the forward collision early warning at least includes a direction of the far vehicle and a distance between the main vehicle and the far vehicle. In the invention, technical problems that in the prior art, a traditional active braking system needs to be provided with a plurality of sensors, and a misjudgment rate is high during braking judgment are solved, and more reliable forward collision early warning can be provided through adopting a V2X technology by using the forward collision early warning method.

    本发明提出一种前向碰撞预警方法和主动刹车系统,方法包括:主车接收远车发出的基本安全消息,基本安全消息至少包括时间戳、远车经纬度、远车海拔、远车航向、远车速度和远车加速度;主车根据主车自身信息和基本安全消息计算主车与远车之间的碰撞时间;若碰撞时间小于安全标定值,则主车生成并输出前向碰撞预警,前向碰撞预警中的信息至少包括远车的方位和主车与远车之间的距离。本发明解决了现有技术中传统的主动刹车系统需要安装很多传感器,在做刹车判断时误判率较高的技术问题,本发明提供的前向碰撞预警方法通过采用V2X技术能够提供更可靠的前向碰撞预警。


    Access

    Download


    Export, share and cite



    Title :

    Forward collision early warning method and active braking system


    Additional title:

    前向碰撞预警方法和主动刹车系统


    Contributors:
    MIAO GUODONG (author) / WANG YAN (author) / MENG NIANPENG (author)

    Publication date :

    2020-09-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



    Collision avoidance emergency braking early warning system (EBWS)

    BARRIE PANIYIOTIS IORDANOU | European Patent Office | 2016

    Free access

    Forward collision early warning method and system

    LI ANPEI / WU ZHONGWEN / ZHANG JIANWEI et al. | European Patent Office | 2020

    Free access

    Forward collision warning system considering both time-to-collision and safety braking distance

    Chen,Y.L. / Shen,K.Y. / Wang,S.C. et al. | Automotive engineering | 2013


    Forward collision warning system considering both time-to-collision and safety braking distance

    Chen, Yuan-Lin / Shen, Kun-Yuan / Wang, Shun-Chung | Tema Archive | 2013