書誌事項
- タイトル別名
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- A Method of Multi-crack Shape Identification from Eddy Current Testing Signals of Steam Generator Tubes Including Support Plates as Noise Sources
- ノイズ ゲン ト シテ ノ ジョウキ ハッセイキ デンネツカン シジバンブ ニ オケル ウズデンリュウ タンショウ シンゴウ ガゾウ カラ ノ フクスウ キレツ ケイジョウ ニンシキホウ
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説明
This paper deals with identifying multiple cracks from eddy current testing (ECT) signals obtained in a steam generator tube with a support plate and deposits. Assume two-dimensionally scanned ECT signals to be a picture image, then the signal processing by a multi-frequency technique eliminates noise caused by the support plate and deposits. A template matching with help of genetic algorithms detects number and positions of cracks from the image after the signal processing.Inverse analysis estimates the crack profile based on the predicted position of cracks. The number and positions of the cracks are sufficiently well predicted. Crack shape reconstructions are achieved with a satisfactory degree of accuracy.
収録刊行物
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- 日本機械学会論文集Ａ編
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日本機械学会論文集Ａ編 71 (702), 254-261, 2005
一般社団法人 日本機械学会
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390282679454230144
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- NII論文ID
- 110004998937
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- NII書誌ID
- AN0018742X
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- COI
- 1:CAS:528:DC%2BD2MXjslWksb0%3D
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- ISSN
- 18848338
- 03875008
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- NDL書誌ID
- 7266306
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可
