ABNORMALITY DETECTION DEVICE, ABNORMALITY DETECTION METHOD, AND PROGRAM

PROBLEM TO BE SOLVED: To accurately detect an abnormality of an abnormality.SOLUTION: An abnormality detection device includes: acquisition means which acquires measured data of a measured value measured by a first sensor for measuring prescribed physical quantity in an apparatus or around the apparatus; determination means which determines whether or not a specific event which is different from an abnormality and affects the measured value by the first sensor is generated at a measurement timing on the basis of information indicating a state of the apparatus or a state around the apparatus at the measurement timing of the object measured data acquired as an abnormality detection object; control means which controls not to perform abnormality detection processing using the object measured data when determining that the specific event is generated at the measurement timing and controls to perform the abnormality detection processing using the object measured data when determining that the specific event is not generated; and abnormality detection means which detects an abnormality on the basis of the object measured data in accordance with the control of the control means.SELECTED DRAWING: Figure 4 【課題】精度よく機器の異常を検出することを目的とする。【解決手段】機器又は機器の周辺において所定の物理量を計測する第１のセンサにより計測された計測値の計測データを取得する取得手段と、異常検出の対象として取得された対象計測データの計測タイミングにおける機器又は機器の周辺の状態を示す情報に基づいて、異常と異なる事象で、第１のセンサの計測値に影響を及ぼす事象である特定事象が、計測タイミングにおいて発生していたか否かを判定する判定手段と、計測タイミングにおいて特定事象が生じていたと判定された場合に、対象計測データを用いた異常検出処理を行わないよう制御し、特定事象が生じていなかったと判定された場合に、対象計測データを用いた異常検出処理を行うよう制御する制御手段と、制御手段の制御に従い、対象計測データに基づいて、異常を検出する異常検出手段とを有する。【選択図】図４