Title:
モータ駆動装置、異常検出方法及び異常検出プログラム
Document Type and Number:
Japanese Patent JP5511184
Kind Code:
B2
Abstract:
To provide a motor drive unit which can detect abnormalities of a motor drive system using an easy control, and to provide an abnormality detection method, and an abnormality detection program.
The rotation of a wiper motor 18 is detected by a rotation detector 92, at a preset timing, when the rotation of the wiper motor 18 is stopped; the voltage level of power fed to the wiper motor 18 from an inverter circuit 64 for rotation-driving the wiper motor 18 is detected; and the generation of abnormality is detected on the basis of the detected voltage level.
COPYRIGHT: (C)2010,JPO&INPIT
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Inventors:
Takashi Natsume
Application Number:
JP2008335732A
Publication Date:
June 04, 2014
Filing Date:
December 29, 2008
Export Citation:
Assignee:
ASMO Co., Ltd.
International Classes:
B60S1/08; H02M7/48; H02P7/29
Domestic Patent References:
| JP2007127034A | ||||
| JP7213092A | ||||
| JP2008236849A | ||||
| JP7046885A |
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda