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Title:
MOTOR CONTROL DEVICE, MOTOR SYSTEM, AND MOTOR CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2020/196390
Kind Code:
A1
Abstract:
When an energization time equal to or above a threshold value is present in one of an upcount period or a downcount period of a carrier, and an energization time below the threshold value is present in the other of the upcount period or the downcount period, a PWM signal generation unit of a motor control device 100-1 splits the on-time of a first PWM signal, a second PWM signal, or a third PWM signal, and allocates the split on-time to the energization time below the threshold value.

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Inventors:
OBA TAKASHI (JP)
Application Number:
PCT/JP2020/012680
Publication Date:
October 01, 2020
Filing Date:
March 23, 2020
Export Citation:
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Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
H02P27/08; H02M7/48; H02P21/22
Foreign References:
JP2011050248A2011-03-10
JP2008113494A2008-05-15
JP2015061381A2015-03-30
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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