INFORMATION PROCESSOR, MONITORING METHOD, PROGRAM, AND ARTICLE MANUFACTURING METHOD

• Main Authors: KOGA SHINICHIRO, KAWAMURA AKIHIKO
• Format: Patent
• Language: English; Japanese
• Published: 16.09.2021
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING

To provide a technique useful in highly precisely detecting occurrence of an abnormality in a monitoring object.SOLUTION: An information processor includes: an acquisition unit (S302) that acquires plural time-sequential data items which represent changes in respective output values of plural sensors, from a monitoring object including the plural sensors; a model production unit (S304) that produces plural models associated with plural periods by producing one model which represents correlations among the plural time-sequential data items, from each of the plural periods in the plural time-sequential data items coincident; and a detection unit that detects an abnormality in the monitoring object on the basis of the plural models and the plural time-sequential data items.SELECTED DRAWING: Figure 6 【課題】監視対象の異常の発生をより高い精度で検出するために有利な技術を提供する。【解決手段】情報処理装置は、複数のセンサを有する監視対象から前記複数のセンサのそれぞれの出力値の変化を示す複数の時系列データを取得する取得部（Ｓ３０２）と、前記複数の時系列データにおける複数の期間の各々から前記複数の時系列データの相互の関係を示す１つのモデルを生成することにより、前記複数の期間にそれぞれ対応する複数のモデルを生成するモデル生成部と（Ｓ３０４）、前記複数のモデルと前記複数の時系列データとに基づいて前記監視対象の異常を検出する検出部と、を備える。【選択図】図６