振動解析による穴掘削時の地中物体センシング Sensing Underground Objects while Drilling in Earth by Analyzing Vibration Signals

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The usual way to set up a telegraph pole is to use an earth auger machine. However, since the locations of underground utility pipes and cables often are not accurately recorded, buried objects are often damaged during drilling. Although electromagnetic induction and electromagnetic waves have been used for sensing underground objects non-destructively, the former cannot be used for non-metallic objects, and the latter produces radar images that are difficult to interpret.<br>We have studied a method of sensing underground objects while drilling in earth based on vibration analysis. In order to measure the vibration signal, we attached a toothed cylindrical casing with an acceleration sensor mounted inside to the tip of the auger drill. The results obtained in this studies are as follows:<br>1) Underground objects could be detected by observing the change in the acceleration signal upon contact.<br>2) Buried pipes could be distinguished from other objects (e.g. stones and pebbles) by analyzing the spectrum of the acceleration signal.<br>3) We have developed a underground object sensing system for earth auger machine. And it has been confirmed that the system is effective for actual field use.

収録刊行物

  • 計測自動制御学会論文集  

    計測自動制御学会論文集 34(10), 1296-1303, 1998-10-31 

    The Society of Instrument and Control Engineers

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各種コード

  • NII論文ID(NAID)
    10002479598
  • NII書誌ID(NCID)
    AN00072392
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04534654
  • NDL 記事登録ID
    4586924
  • NDL 雑誌分類
    ZM11(科学技術--科学技術一般--制御工学)
  • NDL 請求記号
    Z14-482
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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