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:
May. 17, 2022
Filed:
Oct. 05, 2017
Hitachi, Ltd., Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
A plant data classification device according to one aspect of the invention includes: a data classification unit that classifies multidimensional operation data into categories; an evaluation index calculation unit that calculates an evaluation index of a category from a value of the operation data; a classification result evaluation unit that calculates a variation in the evaluation index for each category and determines whether the variation in the evaluation index is less than or equal to a reference value; and a parameter changing unit that changes, when it is determined that the variation in the evaluation index exceeds the reference value, a value of a parameter that defines a size of a category of the data classification unit in a direction of decreasing the size of the category.