Invention Grant
- Patent Title: Motor control apparatus
- Patent Title (中): 电机控制装置
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Application No.: US13699211Application Date: 2011-05-25
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Publication No.: US08975849B2Publication Date: 2015-03-10
- Inventor: Hiroshi Fujiwara , Toru Tazawa
- Applicant: Hiroshi Fujiwara , Toru Tazawa
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Brinks Gilson & Lione
- Priority: JP2010-122539 20100528
- International Application: PCT/JP2011/002899 WO 20110525
- International Announcement: WO2011/148623 WO 20110112
- Main IPC: G05B5/00
- IPC: G05B5/00 ; G05B5/01 ; H02P29/00 ; G05D19/02

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.
Public/Granted literature
- US20130063064A1 MOTOR CONTROL APPARATUS Public/Granted day:2013-03-14
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