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Phase angle diagnostics for sinusoidal controlled electric machine    
United States Patent6694287   
Link to this pagehttp://www.wikipatents.com/6694287.html
Inventor(s)Mir; Sayeed A. (Saginaw, MI); Colosky; Mark P. (Vassar, MI)
AbstractA method and system for phase angle diagnostics in a sinusoidally excited PM electric machine, including: a controller that executes a process to facilitate the method including receiving a position value indicative of the rotational position from a position sensor configured to measure a rotor position of said electric machine and transmit a position signal; receiving a phase advance value indicative of a commanded phase advance angle; determining an expected phase voltage and expected status thereof; observing a selected phase voltage signal and determining an actual status corresponding thereto; and comparing the expected status and the actual status.
   














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Inventor     Mir; Sayeed A. (Saginaw, MI); Colosky; Mark P. (Vassar, MI)
Owner/Assignee     Delphi Technologies, Inc. (Troy, MI)
Patent assignment
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Publication Date     February 17, 2004
Application Number     09/943,260
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     August 30, 2001
US Classification    
Int'l Classification    
Examiner     Hoff; Marc S.
Assistant Examiner     Raymond; Edward
Attorney/Law Firm     Smith; Michael D.
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Patent Tags     phase angle diagnostics sinusoidal controlled electric
   
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Market Size
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Market Share
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