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:
May. 19, 2026
Filed:
Jan. 16, 2024
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/00 (2006.01); H02P 21/18 (2016.01); H02P 21/22 (2016.01); B60L 15/20 (2006.01);
U.S. Cl.
CPC ...
H02P 21/18 (2016.02); H02P 21/22 (2016.02); B60L 15/2045 (2013.01);
Abstract
Systems and methods for operating an electric drive system for an electric or hybrid vehicle is described. In one example, an angle error between an electric machine rotor reference position and an electric machine position sensor reference position is estimated when high voltage is present and when zero torque is commanded of the electric machine.