The invention provides a driving reference speed, slip state and slope identification method and system, the reference speed of a current vehicle is calculated by using an image processing technology, and further, slip conditions of front and rear axles or left and right wheels can be identified according to comparison between the reference speed and the real-time wheel speed of each wheel. Meanwhile, the ramp of the road surface where the vehicle is located can be calculated by combining the reference vehicle speed with the real-time longitudinal acceleration of the vehicle. The reference vehicle speed determination method of the four-wheel-drive vehicle comprises the steps that continuous frame images collected by a vehicle-mounted camera in real time are acquired; and taking the vehicle coordinate system in the first frame image as a world coordinate system, and obtaining the reference vehicle speed of the vehicle at different image acquisition moments based on the position change of the same image feature in the continuous frame images in the world coordinate system.

    本发明提供了一种行车参考车速、打滑状态、坡度的识别方法及系统,利用图像处理技术来计算当前车辆的参考车速,进一步可以根据该参考车速与各个车轮的实时轮速对比,识别出前后轴或者左右轮的打滑情况,同时也可以使用该参考车速结合车辆的实时纵向加速度可计算出车辆所在路面的坡道。该四驱车辆的参考车速确定方法包括:获取车载摄像头实时采集的连续帧图像;以第一帧图像中的车辆坐标系为世界坐标系,基于连续帧图像中同一图像特征在世界坐标系中的位置变化,得到车辆在不同图像采集时刻的参考车速。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Recognition method and system for driving reference speed, slipping state and gradient


    Weitere Titelangaben:

    一种行车参考车速、打滑状态、坡度的识别方法及系统


    Beteiligte:
    FENG JIE (Autor:in) / GAO HAIBO (Autor:in)

    Erscheinungsdatum :

    2023-10-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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



    Automatic anti-slipping system and automatic anti-slipping method

    SOTGIU PAOLO | Europäisches Patentamt | 2017

    Freier Zugriff

    Multi-car intelligent elevator driving wheel slipping processing system and processing method

    MAO KAIPING / ZHOU LIBO / ZHU JIANWEI et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    Train slipping state judgment method and electronic equipment

    WANG JUN / ZHANG JIANGUO | Europäisches Patentamt | 2023

    Freier Zugriff

    Driving force control method during engine clutch slipping of TMED HEV

    KIM SANG JOON | Europäisches Patentamt | 2019

    Freier Zugriff

    Anti-slipping tire

    SUN XUHONG / LI JINLU | Europäisches Patentamt | 2015

    Freier Zugriff