Title:
MOTOR CONTROL DEVICE AND CONTROL METHOD OF MOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/058481
Kind Code:
A1
Abstract:
This motor control device is provided with: an inverter circuit, a first detection circuit, a second detection circuit, a smoothing circuit X, a third detection circuit; a control unit, which estimates the phase of a three-phase motor on the basis of reference timing indicated by a detection result signal, and which controls, by means of a control signal based on the phase thus estimated, the inverter circuit so as to drive the three-phase motor; and a detection mode switching circuit that performs, on the basis of a control signal outputted from the control unit, switching between detection mode wherein the third detection circuit detects the reference timing, and mask mode wherein the third detection circuit does not detect the reference timing.
Inventors:
ANDO SEIICHI (JP)
Application Number:
PCT/JP2017/034091
Publication Date:
March 28, 2019
Filing Date:
September 21, 2017
Export Citation:
Assignee:
SHINDENGEN ELECTRIC MFG (JP)
International Classes:
H02P6/182
Foreign References:
| JP2016226205A | 2016-12-28 | |||
| JP2015126626A | 2015-07-06 | |||
| JP2010530201A | 2010-09-02 | |||
| US7071646B1 | 2006-07-04 |
Attorney, Agent or Firm:
NAGAI Hiroshi et al. (JP)
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