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:
Jun. 21, 2016
Filed:
Sep. 30, 2014
Applicants:
Anthony Weber, Moline, IL (US);
David Holmburg, Moline, IL (US);
Long Wu, Fargo, ND (US);
Inventors:
Assignee:
DEERE & COMPANY, Moline, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 23/00 (2006.01); G01R 31/34 (2006.01); H02P 29/02 (2016.01);
U.S. Cl.
CPC ...
G01R 31/343 (2013.01); H02P 29/028 (2013.01);
Abstract
At least one example embodiment discloses a method of estimating a rotor magnet temperature of a motor. The method includes determining an applied voltage during operation of the motor at an operating point, obtaining a reference value associated with the operating point and associated with a reference temperature and determining an estimated rotor magnet temperature based on the applied voltage and the reference value.