High-precision electric actuator

The utility model discloses a high-precision electric actuator and relates to an electric actuating mechanism. The high-precision electric actuator comprises a single chip microcomputer, a motor controller, a motor, a valve, a potentiometer sensor, an AD (Analogue/Digital) converter, an LCD (Light Crystal Display) and a CAN (Controller Area Network) control and interface, wherein the single chip microcomputer is connected with the motor controller, the AD converter, the LCD and the CAN control and interface respectively; the motor controller, the motor, the valve, the potentiometer sensor and the AD converter are connected in sequence; the CAN control and interface is connected with a CAN bus. The high-precision electric actuator disclosed by the utility model has high control precision; the digital valve location detection is realized, and the precision and the reliability of high valve location measurement can be improved.