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Patent Searching and Data


Title:
MOTOR CONTROL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2011/148623
Kind Code:
A1
Abstract:
A motor control apparatus is provided with a first notch filter arranged within a feedback control system; a vibration extraction filter for outputting a signal (x1) containing vibration components therein; a second notch filter into which the signal (x1) is inputted; a notch control unit for changing the notch-center frequency on the basis of the signal (x1) and a second notch-filter output signal (x2); a notch-depth control unit for changing the notch depth of the first notch filter on the basis of the signal (x1); and a control evaluation unit for carrying out a control so that either the notch control unit or the notch-depth control unit will function.

Inventors:
FUJIWARA HIROSHI
TAZAWA TORU
Application Number:
PCT/JP2011/002899
Publication Date:
December 01, 2011
Filing Date:
May 25, 2011
Export Citation:
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Assignee:
PANASONIC CORP (JP)
FUJIWARA HIROSHI
TAZAWA TORU
International Classes:
H02P29/00; G05D19/02
Foreign References:
JP2004274976A2004-09-30
JP2005223960A2005-08-18
JP2007110860A2007-04-26
JP2007293571A2007-11-08
Other References:
See also references of EP 2579453A4
Attorney, Agent or Firm:
NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)
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Claims: