US 10,892,697 B2
Motor control apparatus and method of controlling the same
Kunitoshi Aoki, Tokyo (JP); and Jumpei Ashida, Kawasaki (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Apr. 8, 2019, as Appl. No. 16/377,356.
Claims priority of application No. 2018-076243 (JP), filed on Apr. 11, 2018.
Prior Publication US 2019/0319565 A1, Oct. 17, 2019
Int. Cl. H02P 21/18 (2016.01); H02P 25/03 (2016.01); H02P 21/00 (2016.01)
CPC H02P 21/18 (2016.02) [H02P 21/0003 (2013.01); H02P 25/03 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A motor control apparatus operable to control a motor, the apparatus comprising:
one or more memories connected to one or more processors configured to function as:
a transition unit configured to transit control between first drive control for driving the motor by forces commutation control and second drive control for driving the motor by vector control; and
a control unit configured to control to drive the motor by one of the first drive control and the second drive control,
wherein
a first sampling period of the first drive control is shorter than a second sampling period of the second drive control.