Electronic limited slip control system and limited slip control method of four-wheel-drive automobile

The invention discloses an electronic limited slip control system and method for a four-wheel-drive automobile. The system comprises an electro-hydraulic brake, a brake controller, a longitudinal acceleration sensor, a wheel angular velocity sensor, a whole automobile wire harness, a whole automobile controller and brake cylinders, and the wheel angular velocity sensor, the whole automobile wire harness, the whole automobile controller and the brake cylinders are arranged on each wheel; the electro-hydraulic brake is provided with four output hydraulic ports, and each output hydraulic port is connected with one brake cylinder; one wheel angular velocity sensor is arranged on each wheel; the whole automobile wire harness is used for transmitting the measured angular velocity and automobile acceleration to the brake controller; the vehicle control unit is used for outputting the angular speed, the acceleration, the engine rotating speed, the throttle opening degree and the like to the brake controller. The brak