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Patent Searching and Data


Title:
MOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/111684
Kind Code:
A1
Abstract:
The present invention suppresses the generation of an excessive current in a SR motor during switching between drive control and brake control. This motor control device is for controlling rotation of a multiphase SR motor, and is provided with a control unit that controls the rotational speed of the SR motor while switching between drive control for generating drive torque in the SR motor and brake control for generating braking torque in the SR motor, wherein the control unit performs switching from the drive control to the brake control or vice versa under the condition that the current flowing through a winding wire of an energized phase is less than a prescribed value.

Inventors:
OKADA HIROAKI (JP)
Application Number:
PCT/JP2018/042601
Publication Date:
June 13, 2019
Filing Date:
November 19, 2018
Export Citation:
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Assignee:
MITSUBA CORP (JP)
International Classes:
H02P25/092
Foreign References:
JP2002058272A2002-02-22
JP2015139350A2015-07-30
JP2017192174A2017-10-19
JP2002058272A2002-02-22
Other References:
See also references of EP 3723275A4
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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