Invention Grant
- Patent Title: Sensorless control in a permanent magnet machine
- Patent Title (中): 永磁机无传感器控制
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Application No.: US11858098Application Date: 2007-09-19
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Publication No.: US07800327B2Publication Date: 2010-09-21
- Inventor: Kevin Allan Dooley
- Applicant: Kevin Allan Dooley
- Applicant Address: CA Longueuil
- Assignee: Pratt-Whitney Canada Corp
- Current Assignee: Pratt-Whitney Canada Corp
- Current Assignee Address: CA Longueuil
- Agency: Ogilvy Renault LLP
- Main IPC: H02P6/00
- IPC: H02P6/00
Abstract:
An apparatus and method for providing improved sensorless control of permanent magnet motors is described. Induced electricity from at least one winding set is used to determine rotor position and provide feedback to a commutation circuit driving at least another winding set isolated from the first.
Public/Granted literature
- US20080018275A1 SENSORLESS CONTROL IN A PERMANENT MAGNET MACHINE Public/Granted day:2008-01-24
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