The invention discloses a vehicle driving mode switching method and device, an electric power steering system and a vehicle. The method comprises the steps that in an automatic driving mode, the turning angle and the hand torque of a steering wheel are obtained; intervention parameters are determined according to the turning angle and the hand torque, and the intervention parameters are used for indicating the intervention degree of the driver on the steering wheel; and determining that the intervention parameter is greater than a preset intervention parameter threshold and the duration is greater than a first preset time, and controlling the vehicle to be switched from the automatic driving mode to the manual driving mode. Therefore, in the automatic driving mode, the driver intervention state is comprehensively judged based on the steering wheel turning angle and the hand torque, the taking-over intention of the driver can be accurately and rapidly detected, mistaken exit of the automatic driving mode can be avoided, the system can keep stable control, the control right of the system can be released in time, and the user experience is improved. And the safety of the system is improved.
本发明公开了一种车辆驾驶模式切换方法和装置、电动助力转向系统、车辆。其中,方法包括:在自动驾驶模式下,获取方向盘的转角和手力矩;根据转角和手力矩确定干预参数,其中,干预参数用于指示驾驶员对方向盘的干预程度;确定干预参数大于预设干预参数阈值且持续时间大于第一预设时间,控制车辆由自动驾驶模式切换至手动驾驶模式。由此,在自动驾驶模式下,基于方向盘转角和手力矩综合判定驾驶员干预状态,不仅能准确且快速检测出驾驶员接管意图,还能避免自动驾驶模式误退出,从而不仅可以使得系统保持稳定控制,而且可以及时释放系统的控制权,提高了系统的安全性。
Vehicle driving mode switching method and device, electric power steering system and vehicle
车辆驾驶模式切换方法和装置、电动助力转向系统、车辆
25.06.2024
Patent
Elektronische Ressource
Chinesisch
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 |
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