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:
Apr. 04, 2000
Filed:
Oct. 14, 1997
Applicant:
Inventors:
Todd R Jaremko, Brookfield, WI (US);
Zhijun Liu, Menomonee Falls, WI (US);
Assignee:
Allen-Bradley Company, LLC, Milwaukee, WI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
706-1 ; 706-3 ; 706-4 ; 706-8 ;
Abstract
A method and apparatus for controlling tension of a material on a winder by controlling the torque on the winder using a fuzzy logic controller which automatically determines various material and operating characteristics and adjusts torque as a function of the determined characteristics including material density, spindle inertia, material acceleration and diameter of material accumulated on a spindle.