JP2014170009A5 - Equipment failure evaluation equipment - Google Patents
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- JP2014170009A5 JP2014170009A5 JP2014096272A JP2014096272A JP2014170009A5 JP 2014170009 A5 JP2014170009 A5 JP 2014170009A5 JP 2014096272 A JP2014096272 A JP 2014096272A JP 2014096272 A JP2014096272 A JP 2014096272A JP 2014170009 A5 JP2014170009 A5 JP 2014170009A5
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- 238000011156 evaluation Methods 0.000 title claims description 25
- 230000000875 corresponding Effects 0.000 claims description 6
- OZAIFHULBGXAKX-UHFFFAOYSA-N precursor Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 5
- 206010056871 Device failure Diseases 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims 4
- 230000001629 suppression Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 1
Description
本発明は、例えば無停電電源システムや電力需給システム（例えばマイクログリッド需給管理システム）等の需要家装置から発生する音響信号の周波数成分を計算し、当該需要家装置の状態を評価する装置故障評価装置に関する。 The present invention, for example, calculates a frequency component of an acoustic signal generated from a consumer device such as an uninterruptible power supply system or a power supply and demand system (for example, a microgrid supply and demand management system), and evaluates the state of the consumer device. Relates to the device .
本発明は上記事情に鑑みてなされたもので、需要家装置から発生する音響信号を測定し、その測定された音響信号を周波数分析し、当該需要家装置の故障や前兆となる異常を推定する装置故障評価装置を提供することを目的とする。 The present invention has been made in view of the above circumstances, and measures an acoustic signal generated from a consumer device, analyzes the frequency of the measured acoustic signal, and estimates a failure or a precursor abnormality of the consumer device. An object is to provide an apparatus failure evaluation apparatus .
上記課題を解決するために、実施形態は、複数の需要家装置のうち、少なくとも一つの需要家装置から発生する信号を測定する測定手段と、前記測定手段で測定される信号を波形分析し実測周波数成分を算出する周波数成分算出手段と、前記需要家装置について当該需要家装置に特有の周波数と推定される負荷周波数成分の周波数負荷パターンを記憶するデータ記録手段と、前記周波数成分算出手段で算出された実測周波数成分について、前記データ記録手段に記憶される複数の負荷周波数成分のそれぞれの周波数成分一致度を計算する周波数成分一致度計算手段と、前記周波数成分一致度計算手段で算出される周波数成分一致度のうち、前記周波数成分一致度が高い負荷周波数成分に対応する周波数負荷パターンから、前記複数の需要家装置のうち少なくとも一つの需要家装置に係る周波数の影響の高い前記周波数負荷パターンを推定し、その結果を出力する出力手段とを備えることを特徴とする装置故障評価装置である。 In order to solve the above-described problem, the embodiment is configured to measure a signal generated from at least one customer device among a plurality of customer devices, and to perform a waveform analysis on the signal measured by the measurement device. Calculated by a frequency component calculating means for calculating a frequency component, a data recording means for storing a frequency load pattern of a load frequency component estimated to be a frequency specific to the consumer device for the consumer device, and a frequency component calculating means Frequency component coincidence calculating means for calculating the frequency component coincidence of each of the plurality of load frequency components stored in the data recording means, and the frequency calculated by the frequency component coincidence calculating means From the frequency load pattern corresponding to the load frequency component having a high frequency component matching degree among the component matching degrees, the plurality of consumer devices Estimating the frequency of high the frequency load pattern affected according to at least one consumer device out of a device failure evaluation apparatus characterized by comprising output means for outputting the result.
本発明によれば、需要家装置から発生する音響信号を測定し、その測定された音響信号を周波数分析し、需要家装置の故障や前兆となる異常を推定できる装置故障評価装置を提供できる。 ADVANTAGE OF THE INVENTION According to this invention, the apparatus failure evaluation apparatus which can measure the acoustic signal which generate | occur | produces from a consumer apparatus, carries out frequency analysis of the measured acoustic signal, and can estimate the malfunction and precursor abnormality of a consumer apparatus can be provided.
Claims (11)
前記測定手段で測定される信号を波形分析し実測周波数成分を算出する周波数成分算出手段と、A frequency component calculating means for analyzing a waveform of a signal measured by the measuring means and calculating an actually measured frequency component;
前記需要家装置について当該需要家装置に特有の周波数と推定される負荷周波数成分の周波数負荷パターンを記憶するデータ記録手段と、Data recording means for storing a frequency load pattern of a load frequency component estimated as a frequency specific to the consumer device for the consumer device;
前記周波数成分算出手段で算出された実測周波数成分について、前記データ記録手段に記憶される複数の負荷周波数成分のそれぞれの周波数成分一致度を計算する周波数成分一致度計算手段と、Frequency component coincidence calculating means for calculating the frequency component coincidence of each of a plurality of load frequency components stored in the data recording means for the actually measured frequency component calculated by the frequency component calculating means,
前記周波数成分一致度計算手段で算出される周波数成分一致度のうち、前記周波数成分一致度が高い負荷周波数成分に対応する周波数負荷パターンから、前記複数の需要家装置のうち少なくとも一つの需要家装置に係る周波数の影響の高い前記周波数負荷パターンを推定し、その結果を出力する出力手段とOf the frequency component coincidence calculated by the frequency component coincidence calculating means, at least one customer device among the plurality of customer devices from a frequency load pattern corresponding to a load frequency component having a high frequency component coincidence. An output means for estimating the frequency load pattern having a high influence on the frequency and outputting the result;
を備えることを特徴とする装置故障評価装置。An apparatus failure evaluation apparatus comprising:
前記データ記録手段は、前記需要家装置について、当該各需要家装置の故障や前兆となる周波数異常と推定される周波数異常周波数成分を有する周波数異常パターンをさらに記憶し、
前記周波数成分一致度計算手段は、前記周波数成分算出手段で算出された実測周波数成分について、前記データ記録手段に記憶される複数の周波数異常周波数成分のそれぞれの周波数成分一致度をさらに計算し、
前記出力手段は、前記周波数成分一致度計算手段で算出される周波数成分一致度のうち、前記周波数成分一致度の高い異常周波数成分に対応する周波数異常パターンから、前記複数の需要家装置のうち少なくとも一つの需要家装置に係る故障やその前兆となる前記周波数異常パターンをさらに推定し、その結果を出力することを特徴とする装置故障評価装置。 The apparatus failure evaluation apparatus according to claim 1,
The data recording means further stores a frequency abnormality pattern having a frequency abnormal frequency component that is estimated to be a frequency abnormality that is a failure or a precursor of each customer device, for the consumer device,
The frequency component matching degree calculation means, the measured frequency components calculated by the frequency component calculating unit further calculates the respective frequency components match degree of the plurality of frequency abnormality frequency components stored in said data recording means,
And the output means, among the frequency components match degree that will be calculated by the frequency component matching degree calculation means, the frequency abnormality pattern corresponding to the high abnormal frequency components of said frequency component matching degree among the plurality of customer devices at least An apparatus failure evaluation apparatus characterized by further estimating a failure relating to one customer apparatus and the frequency abnormality pattern that is a precursor thereof, and outputting the result .
前記データ記録手段は、前記需要家装置について、当該各需要家装置の正常時の周波数と推定される周波数正常周波数成分を有する周波数正常パターンをさらに記憶しと、
前記周波数成分一致度計算手段は、前記周波数成分算出手段で算出された実測周波数成分について、前記データ記録手段に記憶される複数の周波数正常周波数成分のそれぞれの周波数成分一致度をさらに計算し、
前記出力手段は、前記周波数成分一致度計算手段で算出された周波数成分一致度のうち、当該周波数成分一致度が低い前記周波数正常周波数成分に対応する周波数正常パターンから、周波数異常の可能性を示す周波数正常パターンをさらに推定し、その結果を出力することを特徴とする装置故障評価装置。 The apparatus failure evaluation apparatus according to claim 1,
Said data recording means, for the consumer device and further stores frequency normal pattern having a frequency normal frequency component is estimated to be the frequency of the normal of the respective consumer devices,
The frequency component matching degree calculation means, the measured frequency components calculated by the frequency component calculating unit further calculates the respective frequency components match degree of the plurality of frequency normal frequency components stored in said data recording means,
The output means indicates a possibility of frequency abnormality from a frequency normal pattern corresponding to the frequency normal frequency component having a low frequency component coincidence among the frequency component coincidence calculated by the frequency component coincidence calculating means. An apparatus failure evaluation apparatus characterized by further estimating a normal frequency pattern and outputting the result .
前記データ記録手段は、前記需要家装置について、各需要家装置の故障や前兆となる周波数異常と推定される周波数異常周波数成分を有する周波数異常パターンと前記各要家装置の正常時の周波数と推定される周波数正常周波数成分を有する周波数正常パターンとをさらに記憶し、
前記周波数成分一致度計算手段は、前記周波数成分算出手段で算出された実測周波数成分について、前記データ記録手段に記憶される複数の周波数異常周波数成分と複数の周波数正常周波数成分とのそれぞれの周波数成分一致度をさらに計算し、
前記出力手段は、前記周波数成分一致度計算手段で算出される周波数成分一致度のうち、当該周波数成分一致度が高い前記周波数異常周波数成分に対応する周波数異常パターンから、周波数異常の可能性が高い当該周波数異常パターンをさらに推定し、また、前記周波数成分一致度が低い前記周波数正常周波数成分に対応する周波数正常パターンから、周波数異常の可能性を示す周波数正常パターンをさらに推定し、その結果を出力することを特徴とする装置故障評価装置。 The apparatus failure evaluation apparatus according to claim 1,
The data recording means estimates a frequency abnormality pattern having a frequency abnormal frequency component estimated as a frequency abnormality that is a failure or a precursor of each customer device and a normal frequency of each home device for the customer device. further stores a frequency normal pattern having a frequency normal frequency components,
The frequency component coincidence calculating unit is configured to measure the frequency of the plurality of abnormal frequency components and the plurality of normal frequency components stored in the data recording unit with respect to the actually measured frequency component calculated by the frequency component calculating unit. further calculates the components match degree,
The output means has a high possibility of frequency abnormality from a frequency abnormality pattern corresponding to the frequency abnormality frequency component having a high frequency component coincidence degree among the frequency component coincidence degrees calculated by the frequency component coincidence degree calculating means. further estimates the frequency abnormality pattern, also, the frequency normal pattern corresponding to the low frequency components match degree the frequency normal frequency components, further estimates the frequency normal pattern indicating a possible frequency abnormality, outputs the result An apparatus failure evaluation apparatus .
前記出力手段は、前記周波数成分一致度の高い周波数異常周波数成分をもつ前記周波数異常パターンから順に表示することを特徴とする装置故障評価装置。 The apparatus failure evaluation apparatus according to claim 2 ,
And the output means, device failure evaluation and displaying sequentially from the frequency abnormality pattern having a high frequency abnormality frequency components of the frequency components match degree device.
前記出力手段は、前記周波数成分一致度の高い周波数正常周波数成分をもつ前記周波数正常パターンから順に表示することを特徴とする装置故障評価装置。 In the apparatus failure evaluation apparatus according to claim 3 ,
And the output means, device failure evaluation and displaying sequentially from the frequency normal pattern having the frequency component matching high degree of frequency normal frequency component device.
前記出力手段は、前記周波数成分一致度の高い順に、前記周波数異常周波数成分をもつ前記周波数異常パターン及び前記周波数正常周波数成分をもつ前記周波数正常パターンを表示することを特徴とする装置故障評価装置。 In the apparatus failure evaluation apparatus according to claim 4 ,
Said output means, said in descending order of frequency components matching degree, the frequency abnormality the frequency abnormality patterns and device failure evaluation apparatus characterized by displaying the frequency normal pattern with the frequency normal frequency component having a frequency component.
前記出力手段は、前記周波数成分一致度の高い順に、前記周波数異常周波数成分をもつ前記周波数異常パターン、前記周波数正常周波数成分をもつ前記周波数正常パターン及び前記負荷周波数成分をもつ前記周波数負荷パターンを表示することを特徴とする装置故障評価装置。 In the apparatus failure evaluation apparatus according to claim 4,
Said output means is higher in the order of the frequency component matching degree, the frequency abnormality pattern with the frequency abnormality frequency component, displaying the frequency load pattern having the frequency normal pattern and the load frequency component having the frequency normal frequency component An apparatus failure evaluation apparatus .
前記出力手段は、所要期間にわたって予め定めた時間毎に前記周波数成分算出手段及び前記周波数成分一致度計算手段を繰り返し実行させることにより、前記各パターンにおける前記周波数成分一致度の時系列的な変化を表示することを特徴とする装置故障評価装置。 In the apparatus failure evaluation apparatus according to any one of claims 1 to 4,
And the output means, by executing repeatedly the frequency component calculation unit and the frequency component matching degree calculating unit predetermined for each time over a duration, the time-series changes of the frequency component matching score at each pattern An apparatus failure evaluation apparatus characterized by displaying.
前記出力手段の出力側に、周波数異常の程度が予め決められた周波数警戒レベル閾値を超えたとき、周波数異常発生源となる前記需要家装置に注意を喚起するアラーム情報を通知するアラーム発生手段を設けたことを特徴とする装置故障評価装置。 In the apparatus failure evaluation apparatus according to any one of claims 1 to 4,
An alarm generating means for notifying alarm information for calling attention to the consumer device serving as a frequency abnormality generation source on the output side of the output means when the degree of frequency abnormality exceeds a predetermined frequency warning level threshold value; An apparatus failure evaluation apparatus provided .
前記出力手段の出力側に、周波数異常の程度が予め決められた周波数危険レベル閾値を超えたとき、周波数異常発生源となる前記需要家装置に動作抑制ないし停止の制御指令を送出する制御指令発生手段を設けたことを特徴とする装置故障評価装置。 In the apparatus failure evaluation apparatus according to any one of claims 1 to 4 and claim 10,
On the output side of the output means, when a degree of frequency abnormality exceeds a predetermined frequency risk level threshold, a control command is generated to send a control command for operation suppression or stop to the consumer device that is a frequency abnormality generation source An apparatus failure evaluation apparatus comprising means .
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| JP2009278795A Division JP2011122853A (en) | 2009-12-08 | 2009-12-08 | Apparatus failure evaluation system |
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| JP6763255B2 (en) * | 2016-09-21 | 2020-09-30 | 富士ゼロックス株式会社 | Diagnostic equipment, diagnostic systems and programs |
| JP7075466B1 (en) | 2020-11-17 | 2022-05-25 | 株式会社酉島製作所 | Abnormality diagnosis device and abnormality diagnosis method for vibrating machines |
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