Diagnostic device using both a physical model and mathematical model for anomaly detection

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United States of America Patent

PATENT NO 11195081
APP PUB NO 20180218255A1
SERIAL NO

15848335

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A diagnostic device diagnoses a state of a test object. The diagnostic device includes a physical model base diagnosis unit, a mathematical model base diagnosis unit, a model update necessity determination unit, and an update notification unit. The physical model base diagnosis unit is configured to perform the diagnosis using a feature quantity. The mathematical model base diagnosis unit is configured to perform the diagnosis using a machine learning model. The model update necessity determination unit is configured such that if diagnostic results by the physical model base diagnosis unit and the mathematical model base diagnosis unit differ, the model update necessity determination unit determines that at least one of a physical model or a mathematical model is necessary to be updated. The update notification unit is configured such that if the model update necessity determination unit determines that the update is necessary, the update notification unit notifies it.

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Patent Owner(s)

  • OKUMA CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ando, Tomoharu Niwa-Gun, JP 38 423
Hongo, Takumi Niwa-Gun, JP 11 10
Norihisa, Takashi Niwa-Gun, JP 15 47
Ueno, Hiroshi Niwa-Gun, JP 399 4697

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