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.

Date of Patent:
Jun. 24, 2025

Filed:

Jun. 16, 2020
Applicant:

Deere & Company, Moline, IL (US);

Inventor:

Lav Thyagarajan, West Fargo, ND (US);

Assignee:

Deere & Company, Moline, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P 3/44 (2006.01); G01D 5/14 (2006.01); G05B 15/02 (2006.01); H02P 21/06 (2016.01); H02P 21/18 (2016.01); H02P 21/22 (2016.01);
U.S. Cl.
CPC ...
G01P 3/44 (2013.01); G01D 5/14 (2013.01); G05B 15/02 (2013.01); H02P 21/06 (2013.01); H02P 21/18 (2016.02); H02P 21/22 (2016.02);
Abstract

At least one example embodiment discloses a system including a memory storing instructions and at least one controller configured to execute the instructions to cause the system to obtain a measured speed of an electric machine and a measured position of the electric machine based on output from a sensor, select an observer based on a speed value, obtain an estimated speed of the electric machine and an estimated position of the electric machine using the selected observer, determine a control output based on the measured speed and the measured position, the control output being the measured speed and the measured position or the estimated speed and the estimated position and control the electric machine using the control output.


Find Patent Forward Citations

Loading…