Title:
MOTOR CONTROL DEVICE AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/044717
Kind Code:
A1
Abstract:
A motor control device 110 is provided with: a difference calculation unit 113 which calculates a difference between a current number of revolutions and a target number of revolutions of a motor; a coefficient correction unit 117 which multiplies each of initially set proportional coefficient and integral coefficient by a correction coefficient, and outputs corrected proportional coefficient and integral coefficient; an output voltage determination unit 114 which calculates at least one of a proportional term obtained by multiplying the difference by the corrected proportional coefficient and an integral term obtained by multiplying the difference by the corrected integral coefficient, and which determines one of the proportional term and the integral term, or a sum of the two terms, as a control value for the output voltage; and a signal generation unit 115 which generates a control signal on the basis of the control value. The correction coefficient has the value of the ratio of a reference voltage to a current input voltage of the inverter. The reference voltage is an input voltage of the inverter 102 that was in use or assumed at the time of determining the initially set proportional coefficient and integral coefficient.
Inventors:
SATO KEI (JP)
Application Number:
PCT/JP2018/031406
Publication Date:
March 07, 2019
Filing Date:
August 24, 2018
Export Citation:
Assignee:
NIDEC TOSOK CORP (JP)
International Classes:
H02P27/06; H02M7/48; H02P6/08
Domestic Patent References:
| WO1998042070A1 | 1998-09-24 |
Foreign References:
| JP2004064837A | 2004-02-26 | |||
| JP2015159626A | 2015-09-03 | |||
| US9007004B2 | 2015-04-14 |
Attorney, Agent or Firm:
KOHO IP LAW (JP)
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