信号伝播モデルを用いた超音波センサによる軸振動計測 Measurement of Shaft Vibration By Ultrasonic Sensor Based on a Signal Propagation Model

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In diagnosing bearings, acceleration or eddy-current sensors is frequently used. However, sometimes there are objects to which the sensors cannot be applied because of their structures and the cost to be spent. As such an object, there is a sump pump used in a waste liquid transportation in nuclear power plants, where the shaft is put in the waste liquid. <br>  The paper proposes a signal propagation model based diagnosis method which monitors the anomaly of the bearing indirectly by measuring the shaft vibration. The vibration measurement is achieved by using an ultrasonic sensor attached on the casing surface with a magnet, so that the system serves as a portable unit which can reduce the monitoring cost remarkably. The effectiveness of the method is demonstrated with simulations and an experiment.

収録刊行物

  • 電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society

    電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society 124(4), 974-980, 2004-04-01

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10012703733
  • NII書誌ID(NCID)
    AN10065950
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03854221
  • NDL 記事登録ID
    6909868
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-795
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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