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:
Feb. 06, 2024

Filed:

Mar. 17, 2021
Applicant:

Fanuc Corporation, Yamanashi, JP;

Inventors:

Takafumi Murakami, Yamanashi-ken, JP;

Satoshi Ikai, Yamanashi, JP;

Tsutomu Nakamura, Yamanashi, JP;

Assignee:

FANUC CORPORATION, Yamanashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 23/02 (2006.01); G05B 19/4062 (2006.01); H02P 29/40 (2016.01);
U.S. Cl.
CPC ...
G05B 19/4062 (2013.01); H02P 29/40 (2016.02);
Abstract

Provided is a control device capable of automatically determining whether or not an inertia estimation function needs to be activated. The control deviceis for an electric motor and comprises: a first inertia estimation unitthat estimates whether or not there has been a change in the inertia of an object to be driven, on the basis of at least one among first information pertaining to an operation program or operation settings for a device comprising the electric motor, second information obtained from a detection device for detecting the shape of the object to be driven by the electric motor, and third information indicating the operation state of the electric motor; and a second inertia estimation unitthat estimates the inertia of the object to be driven if the first inertia estimation unithas estimated that there has been a change in the inertia of the object to be driven.


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