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.

Date of Patent:
Aug. 20, 2024

Filed:

May. 27, 2020
Applicant:

Fanuc Corporation, Yamanashi, JP;

Inventors:

Tsutomu Nakamura, Yamanashi, JP;

Satoshi Ikai, Yamanashi, JP;

Assignee:

Fanuc Corporation, Yamanashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 17/12 (2006.01); B23Q 5/10 (2006.01); B23Q 11/00 (2006.01); B23Q 17/09 (2006.01);
U.S. Cl.
CPC ...
B23Q 17/12 (2013.01); B23Q 5/10 (2013.01); B23Q 11/0039 (2013.01); B23Q 17/0961 (2013.01);
Abstract

A motor control device includes: a position command section configured to generate a position command for a control object; a position detecting section configured to detect a position of the control object or a position of a motor configured to drive the control object; and a position control section configured to control a position of the motor based on the position command and the detected position of the control object or the motor, in which at least one of the position command section and the position control section includes a vibration suppression filter configured to approximate a reverse characteristic of a vibration characteristic generated between the motor and the control object, and the vibration suppression filter changes a vibration suppression frequency according to at least one of the position and a mass of the control object.


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