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:
Mar. 22, 2016
Filed:
Aug. 12, 2013
Applicant:
Dynamic Controls, Riccarton, Christchurch, NZ;
Inventors:
Warren Gordon Pettigrew, Christchurch, NZ;
Ian Palmer, Christchurch, NZ;
Brendon David Hale, Christchurch, NZ;
Assignee:
Dynamic Controls, Riccarton, Christchurch, NZ;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 6/18 (2006.01); H02P 7/28 (2006.01); H02P 6/14 (2006.01); H02P 23/14 (2006.01); H02P 31/00 (2006.01);
U.S. Cl.
CPC ...
H02P 6/182 (2013.01); H02P 6/147 (2013.01); H02P 7/28 (2013.01); H02P 23/14 (2013.01); H02P 31/00 (2013.01);
Abstract
A method of determining when to utilize a back EMF sampling method for motor resistance profiling in at least one DC motor, the method including the steps of analyzing a parameter prior to initializing the back EMF sampling method, and upon a determination that the analyzed parameter is within a defined range, initializing the back EMF sampling method.