The invention discloses a steer-by-wire system of a wide-body mining dump truck, which comprises a vehicle control unit, a steering wheel angle sensor, a front axle wheel angle sensor, a rear axle wheel angle sensor, a hydraulic system and a steering control valve, meanwhile, analog signals of angle sensors installed on front and rear wheels are received and internally converted into electric signals, corresponding actual steering angles are calculated, the opening degree of a steering control valve is adjusted through PID, a steering oil cylinder is controlled through a hydraulic oil way, the front wheels and the rear wheels rotate according to the corresponding angles, and cooperation of the front wheels and the rear wheels is achieved. According to the invention, a corresponding steering function is realized, and a corresponding control method is combined, so that the flexibility of a large-tonnage vehicle is effectively realized, a key technology is provided for unmanned driving in the field of intelligent mines, and a problem of solving intelligent driving and unmanned driving in mining areas is solved.
本发明公开了一种宽体矿用自卸车的线控转向系统,包括整车控制器、方向盘角度传感器、前桥车轮角度传感器、后桥车轮角度传感器、液压系统和转向控制阀,所述整车控制器接收驾驶员通过方向盘角度传感器传达的驾驶意图,同时接收安装于前后车轮的角度传感器的模拟信号,内部转化为电信号,计算出对应的实际转向角度,并通过PID调节转向控制阀的开度,通过液压油路来控制转向油缸,使得前轮和后轮按照对应的角度转动,以达到前后轮协同,实现相应的转向功能,结合对应的控制方法,有效的解决了大吨位车辆灵活性,又为无人驾驶在智慧矿山领域落地提供了关键技术,为实现矿区智能驾驶、无人驾驶攻克的一项难题。
Steering-by-wire system of wide-body mining dump truck and control method
一种宽体矿用自卸车的线控转向系统与控制方法
12.01.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
Turnover shaft support of mining wide-body dump truck and mining wide-body dump truck
Europäisches Patentamt | 2020
|Balance shaft cross beam structure of mining wide-body dump truck and mining wide-body dump truck
Europäisches Patentamt | 2020
|