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:
Oct. 27, 2020
Filed:
Apr. 02, 2019
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventors:
Shinichi Washizu, Yamanashi, JP;
Hajime Suzuki, Yamanashi, JP;
Assignee:
Fanuc Corporation, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 9/16 (2006.01); B25J 13/08 (2006.01);
U.S. Cl.
CPC ...
B25J 9/163 (2013.01); B25J 9/1664 (2013.01); B25J 13/089 (2013.01);
Abstract
A robot system includes a robot mechanism unit provided with a sensor and a motor encoder for detecting a position of a control target, and a robot control device which controls an operation of the robot mechanism unit in accordance with an operation program, in which a learning control unit includes a position error estimating section which estimates low-frequency components in a position error, based on information from the motor encoder and estimates high-frequency components in the position error, based on information from the sensor.