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:
Feb. 19, 2013
Filed:
Jan. 14, 2010
S. M. N. Hasan, Novi, MI (US);
Brian A. Welchko, Torrance, CA (US);
David P. Tasky, Farmington Hills, MI (US);
Justin O. Nielsen, Redondo Beach, CA (US);
Silva Hiti, Redondo Beach, CA (US);
S. M. N. Hasan, Novi, MI (US);
Brian A. Welchko, Torrance, CA (US);
David P. Tasky, Farmington Hills, MI (US);
Justin O. Nielsen, Redondo Beach, CA (US);
Silva Hiti, Redondo Beach, CA (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
Methods and systems for controlling an electric motor are provided. The electric motor includes at least one winding. A winding current flowing through the at least one winding is monitored. The winding current has an oscillating component and an offset component. The offset component of the winding current is isolated from the oscillating component of the winding current. The electric motor is controlled based on the offset component of the winding current.