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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.:

US 11314241 B1

PDFFull Text
Date of Patent:
Apr. 26, 2022

Filed:

Jun. 07, 2017

Abnormality diagnosis apparatus and abnormality diagnosis method

Applicant:

Mitsubishi Electric Corporation, Chiyoda-ku, JP;

Inventor:

Kiyoshi Maekawa, Tokyo, JP;

Assignee:

MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;

Attorney:

Xsensus LLP

Primary Examiner:

Tarun Sinha

Assistant Examiner:

Lal C Mang

Int. Cl.
CPC ...
G05B 23/02 (2006.01); G01M 13/02 (2019.01); G06F 30/20 (2020.01); G01M 13/028 (2019.01); G05B 15/02 (2006.01); G06N 5/04 (2006.01);
U.S. Cl.
CPC ...
G05B 23/0235 (2013.01); G01M 13/02 (2013.01); G01M 13/028 (2013.01); G05B 15/02 (2013.01); G05B 23/02 (2013.01); G06F 30/20 (2020.01); G06N 5/046 (2013.01);
Abstract

An abnormality diagnosis apparatus includes: a model acceleration calculation unit to calculate model acceleration that is a predicted value of motor acceleration; a motor acceleration calculation unit to calculate the motor acceleration from one of position information and speed information on a motor; and an abnormality determination unit to diagnose whether a power transmission mechanism is abnormal on the basis of the result of comparison between the motor acceleration and the model acceleration.

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Maekawa, Kiyoshi. (2022). Abnormality diagnosis apparatus and abnormality diagnosis method (U.S. Patent No. 11314241). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11314241

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