K-2330 統計的手法を用いたCFRP眉間はく離診断手法の比較検討(J03-6 ヘルスモニタリング)(J03 知的材料・構造システム)
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概要
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Delamination cracks are invisible and cause decrease of compression strength of laminated composites. Therefore, health-monitoring system is required for laminates. The present study adopts an electric potential method for health monitoring of graphite/epoxy laminated composites. The electric potential method does not cause strength reduction and can be applied existing structures by low cost. The present study focuses on the applicability of the electric potential method for identification of delamination crack. In the present study, we developed the damage identification method using minimum Mahalanobis Distance as the method for identifying delamination from data. We applied this method to identifications of delamination crack of CFRP Plate and compared this method with Response surface method. As a result, it was shown that this method is effective for identification of damages.
- 2001-08-22
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