Steering-by-wire control method, steering-by-wire system of vehicle and vehicle

• Main Authors: XU KUANLIN, CAO QINLAI, WU JIEFENG
• Format: Patent
• Language: Chinese; English
• Published: 25.04.2023
• Subjects: LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; MOTOR VEHICLES; PERFORMING OPERATIONS; TRAILERS; TRANSPORTING

The invention discloses a steer-by-wire control method, a steer-by-wire system of a vehicle and the vehicle. The steer-by-wire control method comprises the steps that a transmission ratio change signal input by a user and the current rotation angle of a steering wheel of the vehicle are obtained; according to the transmission ratio change signal and the current rotation angle of the steering wheel, the gear rotation angle needing to be adjusted of a gear of the steer-by-wire system is determined; according to the gear rotation angle, a rack of the steering system is controlled to rotate by delaying a preset time, and a steering wheel is controlled to rotate to a preset angle within the preset time so as to control the steering amplitude of the vehicle. Thus, according to the steer-by-wire control method, the steer-by-wire system of the vehicle and the vehicle, the steering amplitude of the vehicle is small and even zero degree during the period that a user switches the transmission ratio of the vehicle, and t