The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 21, 2003
Filed:
Apr. 26, 2000
Applicant:
Inventor:
Alexander Timofeevich Zaremba, Dearborn Heights, MI (US);
Assignee:
Ford Global Technologies, Inc., Dearborn, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 5/34 ;
U.S. Cl.
CPC ...
H02P 5/34 ;
Abstract
A system ( ) for controlling the torque of an induction motor ( ) utilizes a flux observer ( ). The flux observer ( ) receives stator current inputs ( ) and a rotor speed estimate ( ) and then outputs a rotor flux estimate ( ) that provides increased motor control stability at all speeds.