Title:
電動機制御装置
Document Type and Number:
Japanese Patent JP5873975
Kind Code:
B2
Abstract:
There are provided a first notch filter disposed in a feedback control system, an oscillation extracting filter for outputting signal x1 containing an oscillation component, a second notch filter for inputting signal x1, a notch control portion for changing a notch center frequency based on signal x1 and second notch filter output signal x2, a notch depth control portion for changing a notch depth of the first notch filter based on signal x1, and a control determining portion for carrying out control to operate either the notch control portion or the notch depth control portion.
Inventors:
Hiroshi Fujiwara
Toru Tazawa
Toru Tazawa
Application Number:
JP2012517137A
Publication Date:
March 01, 2016
Filing Date:
May 25, 2011
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H02P29/00; G05D19/02
Domestic Patent References:
| JP2007110860A | 2007-04-26 | |||
| JP2007293571A | 2007-11-08 | |||
| JP2004274976A | 2004-09-30 | |||
| JP2005223960A | 2005-08-18 |
Attorney, Agent or Firm:
Kentaro Fujii
Kenji Kamada
Hiroo Maeda
Kenji Kamada
Hiroo Maeda