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:
Mar. 15, 2022
Filed:
Mar. 29, 2019
Nidec Corporation, Kyoto, JP;
Thanh Nhat Doan, Kyoto, JP;
Haruhiro Tsuneta, Kyoto, JP;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A method of evaluating calibration precision includes a setting step of setting a three-dimensional lattice structure including lattice points and a movement instructing step of moving an arm tip of a calibrated robot from a first lattice point to a second lattice point spaced from the first lattice point. The method includes a calculating step of calculating a difference between a movement instruction value given to the robot and an actual distance by which the arm tip of the robot is moved. The method includes a repeat controlling step of repeating the movement instructing step and the calculating step multiple times using a pair of lattice points other than the first and second lattice points and a presenting step of presenting differences obtained by the repeat controlling step.