Motor control unit, optical device, motor control method, and computer program

Abstract

To provide a motor control unit that can correct fluctuations in the rotation of a motor.SOLUTION: A motor control unit has: target position generation means that generates a target position for controlling the rotation of a motor; encoding means that detects the rotational phase of the motor and converts it into rotational position information; lead angle control means that generates a target lead angle and controls the lead angle of a driving signal according to the amount of deviation between the rotational position information and the target position; and driving signal generation means that superimposes the target lead angle on the rotational position information to generate a driving count value, and generates the driving signal on the basis of the driving count value. The lead angle control means sets or calculates correction data according to the rotational phase, and corrects the target lead angle on the basis of the correction data.SELECTED DRAWING: Figure 7