Title:
MOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/201631
Kind Code:
A1
Abstract:
A motor control device is provided with: a control unit for causing a current to flow under PWM control between two of three terminals of a three-phase motor; a first signal information acquisition unit for acquiring first signal information indicating an ON-DUTY ratio in a PWM control signal in a three-phase energization state after a prescribed time has elapsed from start-up of the three-phase motor; and, an assessment unit for assessing whether the three-phase motor is in a locked state on the basis of the first signal information.
Inventors:
YAMAMOTO TAKERU (JP)
USHITA YOSHIAKI (JP)
ISHII TOMOYA (JP)
ONOSAKA NAOKI (JP)
USHITA YOSHIAKI (JP)
ISHII TOMOYA (JP)
ONOSAKA NAOKI (JP)
Application Number:
PCT/JP2021/042055
Publication Date:
September 29, 2022
Filing Date:
November 16, 2021
Export Citation:
Assignee:
AISIN CORP (JP)
International Classes:
H02P6/20
Foreign References:
| JP2007236153A | 2007-09-13 | |||
| JP2012239301A | 2012-12-06 | |||
| JP2016195515A | 2016-11-17 |
Attorney, Agent or Firm:
R&C IP LAW FIRM (JP)
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