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. 04, 2014
Filed:
Feb. 15, 2012
Applicants:
Milun Perisic, Cypress, CA (US);
Yo Chan Son, Torrance, CA (US);
Gabriel Gallegos-lopez, Lomita, CA (US);
Silva Hiti, Redondo Beach, CA (US);
Inventors:
Milun Perisic, Cypress, CA (US);
Yo Chan Son, Torrance, CA (US);
Gabriel Gallegos-Lopez, Lomita, CA (US);
Silva Hiti, Redondo Beach, CA (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods, systems and apparatus are provided for estimating electrical angular speed of a permanent magnet machine based on two-phase stationary reference frame feedback stator current samples, and a dimensionless gain (K) that is computed based on a sampling time (T) and machine parameters.