Steering control system and method for electric differential steering vehicle

The invention provides an electric differential steering vehicle steering control system and method. The system comprises an execution module, an acquisition module and a control module. The execution module comprises a steering wheel, a left motor and a right motor, and the left motor and the right motor drive wheels on the corresponding sides of the vehicle respectively; the acquisition module comprises a steering sensor, and the steering sensor is used for acquiring steering information generated by rotation of the steering wheel; the control module comprises a vehicle control unit and a motor controller, the motor controller is connected with the left motor and the right motor, the vehicle control unit is configured to determine target torque according to the steering information of the acquisition module and then send the target torque to the motor controller, and the motor controller is used for outputting the target torque to the left motor and the right motor and controlling the left motor and the rig