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:
Dec. 29, 2020

Filed:

Dec. 16, 2016
Applicant:

Omron Corporation, Kyoto, JP;

Inventors:

Satoshi Yamawaki, Ritto, JP;

Takao Ushiyama, Ritto, JP;

Kentaro Hirao, Takatsuki, JP;

Assignee:

OMRON Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 29/68 (2016.01); H02P 29/60 (2016.01); H02P 29/66 (2016.01); G01K 17/00 (2006.01); G01N 25/72 (2006.01); G05B 19/18 (2006.01);
U.S. Cl.
CPC ...
H02P 29/68 (2016.02); G01K 17/00 (2013.01); G01N 25/72 (2013.01); H02P 29/60 (2016.02); H02P 29/666 (2016.11); G05B 19/18 (2013.01); G05B 2219/31455 (2013.01);
Abstract

A temperature monitoring device of the present invention includes: a current value acquisition portion () that acquires a current value supplied for the motor; a calorific value inference portion () that infers a calorific value through a first thermal model indicating a relationship between the current value and a calorific value of a servo driver (); and an anomaly judgment portion () that compares the calorific value with a threshold, so as to judge whether there is heating anomaly.


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