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:
Mar. 10, 2020

Filed:

May. 31, 2017
Applicant:

Fanuc Corporation, Yamanashi, JP;

Inventors:

Kanta Takayama, Yamanashi, JP;

Kazuo Sato, Yamanashi, JP;

Hideaki Maeda, Yamanashi, JP;

Assignee:

FANUC CORPORATION, Yamanashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 19/4065 (2006.01); G06N 3/08 (2006.01); G05B 19/4093 (2006.01);
U.S. Cl.
CPC ...
G05B 19/4065 (2013.01); G05B 19/40938 (2013.01); G06N 3/08 (2013.01); G05B 2219/33321 (2013.01); G05B 2219/39352 (2013.01); G05B 2219/49307 (2013.01);
Abstract

A machine learning device for learning a threshold value of detecting an abnormal load in a machine tool, includes a state observation unit, and a learning unit. The state observation unit observes a state variable obtained based on at least one of information about a tool, main spindle revolution rate, and amount of coolant of the machine tool, material of a workpiece, and moving direction, cutting speed, and cut depth of the tool, and the learning unit learns the threshold value of detecting an abnormal load based on training data created from an output of the state observation unit and data related to detection of an abnormal load in the machine tool and on teacher data.


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