Patent ID: 9748880
Date: 2017-08-29
CPC Classifications: H02P

Claim:
1. A motor control device that performs drive control of a motor comprising: an obtaining unit that is configured to obtain a position detection signal by which the output periodically changes due to a movement of a movable element of the motor; and a control unit that is configured to supply a drive signal to the motor, wherein, the control unit has a first mode for supplying a drive signal that is advanced by the amount of the advance angle that has been set to a value other than 0 degree in advance to the motor, and a second mode for supplying a drive signal by which the amount of the advance angle is controlled based on the position detection signal obtained by the obtaining unit to the motor, wherein, when the drive signal is supplied and a period of time from the motor stopping to the change of the position detection signal obtained by the obtaining unit, the control unit supplies the drive signal to the motor in the first mode, and wherein, after the position detection signal obtained by the obtaining unit changes, the control unit supplies drive signal to the motor in the second mode.