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:
May. 23, 2017
Filed:
Nov. 19, 2012
Abb Schweiz Ag, Baden, CH;
Ingvar Jonsson, Västerås, SE;
ABB Schweiz AG, Baden, CH;
Abstract
The present invention relates to a resolver positioning system for a robot, which system is connectable to a battery supply () and is drivable in a pulsed mode. The system comprising: a resolver () arranged to detect an axis position of a robot; a first comparator () connected to the resolver for reading of a first resolver value from the resolver, wherein the first comparator comprises means (-) to provide two different reference levels for the first resolver value; a second comparator () connected to the resolver for reading of a second resolver value from the resolver, wherein the second comparator comprises means (-) to provide two different reference levels for the second resolver value; and a controller () connected to the first and second comparators, wherein the controller is configured to provide a quadrant evaluation of the axis position from the first and second resolver values.