Invention Grant
- Patent Title: Motor constant calculating method for PM motor, and motor constant calculating device
- Patent Title (中): 电机常数计算方法及电机常数计算装置
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Application No.: US13825206Application Date: 2011-09-28
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Publication No.: US09024562B2Publication Date: 2015-05-05
- Inventor: Toru Tazawa , Masaru Nishizono
- Applicant: Toru Tazawa , Masaru Nishizono
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Brinks Gilson & Lione
- Priority: JP2010-228289 20101008
- International Application: PCT/JP2011/005445 WO 20110928
- International Announcement: WO2012/046409 WO 20120412
- Main IPC: H02P29/00
- IPC: H02P29/00 ; H02P23/14 ; H02P5/00 ; H02P6/12 ; G01R31/34
Abstract:
A motor constant calculating method for a PM motor according to the present invention includes a voltage applying step of applying an applied voltage including a DC component and a plurality of frequency components to a PM motor, a motor current detecting step of detecting a motor current flowing depending on the applied voltage applied in the voltage applying step, and a motor constant calculating step of calculating a motor constant of the PM motor based on the applied voltage and the motor current.
Public/Granted literature
- US20130181650A1 MOTOR CONSTANT CALCULATING METHOD FOR PM MOTOR, AND MOTOR CONSTANT CALCULATING DEVICE Public/Granted day:2013-07-18
Information query
