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:
Dec. 30, 2025
Filed:
Apr. 28, 2022
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Michael Duncan Swartz, Waterford, MI (US);
Young Joo Lee, Rochester, MI (US);
Brian J. Gallert, Waterford, MI (US);
Anno Yoo, Rochester, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 27/08 (2006.01); B60L 3/00 (2019.01); G01D 5/244 (2006.01); G01P 3/44 (2006.01); H02P 6/18 (2016.01); H02P 6/182 (2016.01); H02P 21/14 (2016.01);
U.S. Cl.
CPC ...
B60L 3/0061 (2013.01); G01D 5/24485 (2013.01); G01P 3/44 (2013.01); H02P 6/18 (2013.01); H02P 6/182 (2013.01); H02P 21/14 (2013.01); B60L 2240/12 (2013.01);
Abstract
A method and system are contemplated for determining a final speed and position of a motor used in an electric vehicle. The final speed and position is calculated as a function of a sensed position when a resolver of a position system is available and as a function of a sensorless position when the resolver is unavailable.