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. 29, 2003
Filed:
May. 31, 2002
Kabushiki Kaisha Yaskawa Denki, Kitakyushu, JP;
Abstract
A boom positioning device for high-position working, capable of ensuring a desired positional accuracy even in positioning a work location at the tip end of a boom from a distant place, the device comprising an imaging means ( ) having a multi-axis driving unit and provided with a boom tip-end position computing means ( ) for computing the position and attitude of the boom tip-end from positions of respective axes of the boom detected by a boom respective-axis-position detecting means ( ) and with a distance measuring means ( ) for detecting the distance from the boom tip-end position to a work object, a first boom working amount calculating means ( ) for calculating, from an output from the distance measuring means ( ) and an output from a measuring error judging means ( ), a boom working amount up to an approach enabled area where the measuring accuracy of the distance measuring means ( ) is guaranteed, and a second boom working amount calculating means ( ) for calculating, from a distance from the boom tip-end position detected by the distance measuring means ( ) up to a work object and from a specified work location and boom tip-end position with respect to the work object in the approach enabled area, a boom working amount up to a specified work location with respect to the work object.