Control method of steering system, steering system and vehicle

The invention relates to a method for controlling a steering system, the steering system and a vehicle. The steering system comprises two steering wheels and two sub-steering devices, wherein the twosub-steering devices are used for respectively driving the two steering wheels. The control method comprises the steps of determining a target steering wheel which corresponds to a steering signal anda first target steering angle of the target steering wheel in response to the obtained steering signal of the vehicle; determining a second target steering angle of the other steering wheel except the target steering wheel according to the first target steering angle of the target steering wheel, wherein the first target steering angle and the second target steering angle meet a steering angle corresponding relation; and controlling one sub-steering device to drive the target steering wheel to steer according to the first target steering angle, and controlling the other sub-steering device todrive the other wheel exce