Title:
MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/224485
Kind Code:
A1
Abstract:
This motor control device comprises: an abnormal torque estimation unit (16) for estimating an abnormality of the torque of a motor from a target current value determined by a current command calculation unit (3), a detection current value obtained by a detection phase-current calculation unit (15), and an electrical angle calculated by an electrical angle calculation unit (14); and a cut-off management unit (17) for stopping driving of the motor if the output torque is abnormal.
Inventors:
KIMURA TAKUYA (JP)
OGIWARA KENTO (JP)
OGAWA KENJI (JP)
KUNIMITSU TAKAHIRO (JP)
OGIWARA KENTO (JP)
OGAWA KENJI (JP)
KUNIMITSU TAKAHIRO (JP)
Application Number:
PCT/JP2021/045949
Publication Date:
October 27, 2022
Filing Date:
December 14, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P29/024
Foreign References:
| JP2002034266A | 2002-01-31 | |||
| JP2013031356A | 2013-02-07 | |||
| JP2005094873A | 2005-04-07 | |||
| JP2011250567A | 2011-12-08 | |||
| JP2009113760A | 2009-05-28 | |||
| JP2014204556A | 2014-10-27 | |||
| JP2003153401A | 2003-05-23 | |||
| JP5092538B2 | 2012-12-05 |
Attorney, Agent or Firm:
PALMO PATENT FIRM, P.C. (JP)
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