ABNORMALITY DETECTION APPARATUS, SYSTEM STABILITY MONITORING DEVICE, AND SYSTEM THEREOF
PROBLEM TO BE SOLVED: To support utilization of an infrastructure system by acceleration while keeping accuracy of abnormality detection of time series information.SOLUTION: An abnormality detection apparatus for detecting an abnormal value of time series information comprises: an input unit to whic...
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Format | Patent |
Language | English Japanese |
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07.09.2017
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Abstract | PROBLEM TO BE SOLVED: To support utilization of an infrastructure system by acceleration while keeping accuracy of abnormality detection of time series information.SOLUTION: An abnormality detection apparatus for detecting an abnormal value of time series information comprises: an input unit to which time series information is input; a change value calculation unit which calculates a change value of the time series information; an analysis time frame adjustment unit which determines an analysis time frame with the change value and a normal determination reference value as inputs; and a statistical type abnormality detection unit which determines abnormality of the latest time series information and provides an abnormality detection result by statistical processing for the time series information within a frame of the analysis time frame.SELECTED DRAWING: Figure 1
【課題】時系列情報の異常検出の精度を保ちつつ高速化することによりインフラシステム運用を支援する。【解決手段】時系列情報の異常値を検出する異常検出装置であって、時系列情報を入力する入力部と、時系列情報の変化値を算出する変化値算出部と、変化値と正常判定基準値を入力とし、解析時間枠を決定する解析時間枠調整部と、解析時間枠の枠内における時系列情報についての統計処理により、最新の時系列情報の異常を判定し異常検出結果を与える統計型異常検出部を備えることを特徴とする。【選択図】図1 |
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AbstractList | PROBLEM TO BE SOLVED: To support utilization of an infrastructure system by acceleration while keeping accuracy of abnormality detection of time series information.SOLUTION: An abnormality detection apparatus for detecting an abnormal value of time series information comprises: an input unit to which time series information is input; a change value calculation unit which calculates a change value of the time series information; an analysis time frame adjustment unit which determines an analysis time frame with the change value and a normal determination reference value as inputs; and a statistical type abnormality detection unit which determines abnormality of the latest time series information and provides an abnormality detection result by statistical processing for the time series information within a frame of the analysis time frame.SELECTED DRAWING: Figure 1
【課題】時系列情報の異常検出の精度を保ちつつ高速化することによりインフラシステム運用を支援する。【解決手段】時系列情報の異常値を検出する異常検出装置であって、時系列情報を入力する入力部と、時系列情報の変化値を算出する変化値算出部と、変化値と正常判定基準値を入力とし、解析時間枠を決定する解析時間枠調整部と、解析時間枠の枠内における時系列情報についての統計処理により、最新の時系列情報の異常を判定し異常検出結果を与える統計型異常検出部を備えることを特徴とする。【選択図】図1 |
Author | KIRIHARA KENTA SAITO NAO TSUCHIYA KAZUTOSHI KURODA EISUKE YASAKA SATOSHI |
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DocumentTitleAlternate | 異常検出装置、系統安定度監視装置、及びそのシステム |
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Snippet | PROBLEM TO BE SOLVED: To support utilization of an infrastructure system by acceleration while keeping accuracy of abnormality detection of time series... |
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SubjectTerms | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERATION MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING SYSTEMS FOR STORING ELECTRIC ENERGY |
Title | ABNORMALITY DETECTION APPARATUS, SYSTEM STABILITY MONITORING DEVICE, AND SYSTEM THEREOF |
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