Semi-automatic control system of manual transmission and control method

The invention discloses a semi-automatic control system of a manual transmission and a control method. The semi-automatic control system comprises a gear shifting handle, an overall vehicle controller, a power supply, an oil kettle, an actuator, a hydraulic separation bearing, a clutch, an all-gear sensor, the manual transmission, a rotating speed sensor, an integrated controller and a gear shifting intention sensor; the gear shifting intension sensor is fixedly connected with the gear shifting handle; the overall vehicle controller, the gear shifting intension sensor, the all-gear sensor, therotating speed sensor and the power supply are electrically connected with the integrated controller; the all-gear sensor and the rotating speed sensor are fixedly connected with the manual transmission; the hydraulic separation bearing is arranged between the manual transmission and the clutch; the actuator is electrically connected with the integrated controller; and the actuator communicates with the hydraulic separat