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:
Jul. 30, 2019
Filed:
Mar. 31, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method of controlling a robot system including an articulated robot and a control device is provided. The articulated robot includes links connected by joints, motors configured to drive the joints respectively, and detection devices configured to detect rotation amounts of the joints respectively. The control device controls the motors. The method includes the steps of, by the control device, recording movement information of the joints based on outputs of the detection devices; when detecting an abnormality in the operation of the articulated robot, determining presence or absence of a failure in the articulated robot based on the movement information recorded in at least a period from before detection of the abnormality until detection of the abnormality; and specifying a failure portion of the articulated robot if it is determined that there is a failure in the articulated robot in the step of determining.