Dynamics & Design Conference
Online ISSN : 2424-2993
セッションID: 503
会議情報
503 End Effects を除去したハーモニックウェーブレットによる異常性検出
金元 啓幸井上 卓見末岡 淳男平尾 剛小田原 悟
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会議録・要旨集 フリー

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This paper deals with a diagnosis of machine structures by detecting local abnormalities of measured signal through the harmonic wavelet. In this paper, the harmonic wavelet was utilized to detect the abnormalities of the signal. It was necessary for the harmonic wavelet to remove the end effects and reduce the obstructive noise in order to implement the diagnosis effectively. The authors proposed a method to remove the end effects. As a result, it was made clear that the harmonic wavelet detect the local abnormalities arising from the fatigue crack of crack length 1.07mm.
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© 2005 一般社団法人 日本機械学会
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