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:
Dec. 08, 2009
Filed:
Feb. 05, 2007
Applicants:
Jeffrey W. Shoemaker, Andover, MN (US);
Timothy M. Lewis, San Jose, CA (US);
Inventors:
Jeffrey W. Shoemaker, Andover, MN (US);
Timothy M. Lewis, San Jose, CA (US);
Assignee:
BAE Systems Land & Armaments L.P., Arlington, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
G05B 11/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a torque loop control method for servomotors utilizing discontinuous pulse width modulation that incorporates measuring the power factor in real time. Also included is a sine wave generator for software-based spectrum analysis.