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. 21, 2017
Filed:
Apr. 02, 2014
Applicants:
Deere & Company, Moline, IL (US);
The Board of Regents of the University of Nebraska, Lincoln, NE (US);
Assignees:
DEERE & COMPANY, Moline, IL (US);
THE BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA, Lincoln, NE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 6/00 (2016.01); H02P 6/18 (2016.01); H02P 21/00 (2016.01); H02P 23/12 (2006.01);
U.S. Cl.
CPC ...
H02P 6/18 (2013.01); H02P 21/0007 (2013.01); H02P 21/18 (2016.02); H02P 23/12 (2013.01);
Abstract
At least one example embodiment discloses a method of estimating a position of a rotor in a motor. The method includes obtaining a current regulation quality index based on a current command and a measured current, determining an estimated position of the rotor based on the current regulation quality index and position estimation data and controlling the motor based on the estimated position of the rotor.