Motor control device

Details Motor control device Motor control device

2007-08-23

2009-08-04

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

C318S069000, C318S286000, C318S434000, C318S466000

Reexamination Certificate

active

07569999

ABSTRACT:
A motor control device has a target speed generating unit for generating a generated target rotational speed, speed detecting units for detecting rotational speeds of each of the plurality of motors, an average speed calculating unit for averaging the detected rotational speeds of each of the plurality of motors to calculate an average rotational speed, a drive command value output unit for outputting a drive command value to each of the plurality of motors based on the generated target rotational speed and the average rotational speed, rotation amount detecting units for detecting the rotation amounts of each of the plurality of motors, an average rotation amount calculating unit for averaging the detected rotation amounts of each of the plurality of motors to calculate an average rotation amount, and drive command value changing units for generating a feedback signal for rotation amount control corresponding to each of the plurality of motors based on the average rotation amount and the detected rotation amounts, and changing the drive command value to be provided to each of the plurality of motors from the drive command value output unit based on the feedback signal.

REFERENCES:
patent: 5530329 (1996-06-01), Shigematsu et al.
patent: 6445147 (2002-09-01), Saitoh et al.
patent: 6825623 (2004-11-01), Onozawa et al.
patent: 6943515 (2005-09-01), Kidokoro
patent: 7170244 (2007-01-01), Choby
patent: 7309971 (2007-12-01), Honma et al.
patent: 2001-051722 (2001-02-01), None
patent: 3467440 (2003-08-01), None
patent: 3550114 (2004-04-01), None
Patent Abstracts of Japan, Publication No. 2001-051722, Publication Date Feb. 23, 2001, 2 pages.

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