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:
Mar. 05, 2013
Filed:
Dec. 10, 2009
Applicants:
Mengwei Campbell, Torrance, CA (US);
Bon Ho Bae, Torrance, CA (US);
Silva Hiti, Redondo Beach, CA (US);
Sibaprasad Chakrabarti, West Midnapur, IN;
Inventors:
Mengwei Campbell, Torrance, CA (US);
Bon Ho Bae, Torrance, CA (US);
Silva Hiti, Redondo Beach, CA (US);
Sibaprasad Chakrabarti, West Midnapur, IN;
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for controlling an induction machine having a rotor includes the steps of obtaining a torque command, calculating an estimated squared value of resistance of the rotor using the torque command, determining an offset for the resistance of the rotor, and generating an updated measure of rotor resistance using the estimated squared value and the offset.