The invention discloses a dynamic chassis preview control method based on road surface state recognition, which comprises the following steps: performing road surface state recognition by using a YOLO v4 road surface state recognition network, inputting road surface information into the network through a camera module, outputting recognition confidence, and processing the confidence to obtain recognition information; the distance between the impact position and the vehicle is calculated through a camera module distance measurement model, and delay time is obtained; the current damper damping force is calculated according to the current road condition and the vehicle state information, a damper current correction strategy is made according to the identification information and the delay time, the damper damping force is adjusted, and damping force control over a dynamic chassis is achieved. The invention has the advantages of reducing the road impact and improving the riding comfort of the vehicle.
本发明公开一种基于路面状态识别的动态底盘预瞄控制方法,使用YOLO v4路面状态识别网络进行路面状态识别,把路面信息通过摄像模块输入到该网络中,输出识别置信度,并把置信度进行处理,得到识别信息;利用摄像模块测距模型计算冲击处与车辆之间的距离,得到延迟时间;通过当前路况与车辆状态信息计算出当前减振器阻尼力,根据识别信息和延迟时间,制定减振器电流修正策略,调节减振器阻尼力,实现动态底盘的阻尼力控制。本发明的优点是降低路面冲击,改善车辆乘坐舒适性。
Dynamic chassis preview control method based on road surface state recognition
基于路面状态识别的动态底盘预瞄控制方法
25.03.2022
Patent
Elektronische Ressource
Chinesisch
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