The invention provides a steer-by-wire hand feeling feedback method, a steer-by-wire system, a vehicle and electronic equipment, and belongs to the technical field of vehicle braking. The method comprises the steps that the current speed of a vehicle where the steer-by-wire system is located is obtained; according to the vehicle speed, the current variable transmission ratio proportion of the steer-by-wire system and the maximum rack position of lower steering, the current steering wheel limit position is obtained; according to the steering wheel limit position and the current angle of the steering wheel, tail end protection torque is obtained; and feeding back the tail end protection torque to the hand feeling motor to indicate the hand feeling motor to rotate according to the tail end protection torque. Thus, in the process of obtaining the current steering wheel limit position, the influence of the real-time vehicle speed, the variable transmission ratio proportion and the maximum lower steering rack position is considered, so that the real-time steering wheel limit position changing along with the vehicle speed is more accurate, hand feeling feedback is conducted in the mode that the steering wheel limit position slowly descends, and the steering wheel limit position is more accurate. And the hand feeling feedback effect is greatly optimized.

    本发明提出一种线控转向手感反馈方法、线控转向系统、车辆及电子设备,属于车辆制动技术领域。方法包括:获取线控转向系统所在车辆当前的车速;根据车速,以及线控转向系统当前的变传动比比例和下转向的最大齿条位置,获得当前的方向盘极限位置;依据方向盘极限位置和方向盘的当前角度,获得末端保护力矩;将末端保护力矩反馈至所述手感电机,以指示手感电机按末端保护力矩转动。如此,在获取当前的方向盘极限位置的过程中,考虑了实时车速、变传动比比例和下转向最大齿条位置的影响,从而使随车速变动的实时方向盘极限位置更为准确,进而以方向盘极限位置缓降的方式进行手感反馈,极大地优化了手感反馈效果。


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    Title :

    Steering-by-wire hand feeling feedback method, steering-by-wire system, vehicle and electronic equipment


    Additional title:

    线控转向手感反馈方法、线控转向系统、车辆及电子设备


    Contributors:
    SHU QIANG (author) / DENG NIAN (author) / SHEN BAOCHUAN (author) / LU WANGWANG (author) / XU GUANGJI (author) / WU JINGKAI (author)

    Publication date :

    2025-01-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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