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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-12607993-B2, on 21 April 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000000156

Construction method of abnormality diagnosis model, abnormality diagnosis method, construction device of abnormality diagnosis model, and abnormality diagnosis device

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Sensors, Controls & Machine Vision › Industrial Control
Original source
US-12607993-B2, the United States Patent and Trademark Office, 21 April 2026
Document SHA-256
e3b3e92391819896123daa5158c76651f8400eeb0d1eed4a4e312d4f7640bacd

Abstract

A construction method of an abnormality diagnosis model for diagnosing an abnormality of a process, the construction method includes: creating a first regression model that sets a regression coefficient regarding an explanatory variable with a small influence on a response variable to zero by using all operational data in normal times collected in advance; dividing the operational data into a plurality of segments determined in advance and determining an explanatory variable candidate for each of the segments within a range of the explanatory variable used in the first regression model; and creating a second regression model that sets a regression coefficient regarding an explanatory variable candidate with a small influence on a response variable to zero by using the operational data included in the segment.

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OpenTechnical Publication OT-2026-000000156, “Construction method of abnormality diagnosis model, abnormality diagnosis method, construction device of abnormality diagnosis model, and abnormality diagnosis device,” published September 15, 2026 at 19:02:33 UTC, https://opentechnical.org/p/OT-2026-000000156.

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