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.:
Date of Patent:
Nov. 08, 2022
Filed:
Jun. 30, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An unsteadiness detection device () is provided which is capable of detecting the operation state of facilities using binary digital signals, the unsteadiness detection device including: a model generation unit () to generate a normal model for determining operation states of a plurality of facilities () on the basis of operation data which are binary digital signals obtained from the facilities () in their steady operation states; an expectation value calculation unit () to calculate an expectation value of operation data by applying the normal model to past operation data of the facilities (); and an unsteadiness detection unit () to detect whether or not an operation state of one of the facilities () is unsteady by comparing the expectation value of the operation data and a measured value of the operation data.