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:
Feb. 06, 2024
Filed:
Dec. 01, 2020
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventor:
Yuusei Onodera, Yamanashi, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 3/02 (2006.01); B25J 9/16 (2006.01); B25J 19/00 (2006.01); F16F 3/04 (2006.01); F16F 15/023 (2006.01); F16F 15/04 (2006.01);
U.S. Cl.
CPC ...
B25J 9/1674 (2013.01); B25J 19/0008 (2013.01); G01L 3/02 (2013.01); F16F 3/04 (2013.01); F16F 15/0232 (2013.01); F16F 15/04 (2013.01); F16F 2230/0011 (2013.01); F16F 2230/0047 (2013.01);
Abstract
A balancer abnormality detection system includes: a robot; a motor configured to operate the robot; a balancer provided in the robot and configured to generate assist torque which assists power of the motor with force generated by elastic bodies; and a controller configured to detect abnormality of the balancer by measuring a current value of the motor operated to keep a posture of the robot during standby of the robot and comparing the current value with a current command value of the motor necessary for keeping the posture of the robot.