Motor control apparatus for determining motor type and image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsTakuya Miyashita, Eijiro Ohashi, Yasukazu Maeda
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Abstract
A motor control apparatus includes: an excitation unit configured to excite a plurality of excitation phases of a motor; a measurement unit configured to measure a physical amount that changes according to an inductance of at least one of a plurality of coils that make up the plurality of excitation phases, when each of the plurality of excitation phases is excited; and a determination unit configured to determine a type of the motor based on measurement values of the physical amount measured by the measurement unit when each of the plurality of excitation phases is excited.
Claims18
A motor control apparatus comprising:
- an excitation unit configured to excite a plurality of excitation phases of a motor;
- a measurement unit configured to measure a plurality of measurement values of a physical amount that changes according to an inductance of each of a plurality of coils that make up the plurality of excitation phases by exciting each of the plurality of excitation phases;
- and
- a determination unit configured to determine a type of the motor based on the plurality of measurement values measured by the measurement unit.
A motor control apparatus comprising:
- an excitation unit configured to excite a plurality of excitation phases of a motor;
- a measurement unit configured to measure a plurality of measurement values of a physical amount that changes according to an inductance of each of a plurality of coils that make up the plurality of excitation phases by exciting each of the plurality of excitation phases;
- and
- a determination unit configured to determine a parameter for controlling the motor based on the plurality of measurement values measured by the measurement unit.
An image forming apparatus comprising:
- a rotating member for conveying a sheet along a conveyance path;
- an image forming unit configured to form an image on the sheet that is conveyed on the conveyance path;
- a motor for driving the rotating member or the image forming unit;
- and
- a motor control unit configured to control the motor,
- wherein the motor control unit includes:
- an excitation unit configured to excite a plurality of excitation phases of a motor,
- a measurement unit configured to measure a plurality of measurement values of a physical amount that changes according to an inductance of each of a plurality of coils that make up the plurality of excitation phases by exciting each of the plurality of excitation phases, and
- a determination unit configured to determine a type of the motor based on the plurality of measurement values measured by the measurement unit.
Dependencies are inferred from the claim text.