Control system of motor

The utility model discloses a control system of a motor. The system comprises a switching power supply module, a main control module, a Hall collection module, a motor driving module and a man-machine interface module, wherein the switching power supply module is connected with the mains supply and outputs direct current to the entire system, the Hall collection module collects rotating position signals of the motor and transmits the signals to the main control module, the main control module outputs signals controlling the rotating speed of the motor to the motor driving module, the motor driving module outputs driving current to the motor, and the man-machine interface module inputs user commands to the main control module. The control system disclosed by the utility model has the advantages that the speed of the brushless direct current motor (BLDC) is follow-up, and an emergency brake function is provided; the design of the system carefully considers data protection measures under the condition of power f