The study of the damage level detection based on the vibration response and the generalization

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  • 振動応答による損傷推定と一般化に関する研究
  • シンドウ オウトウ ニ ヨル ソンショウ スイテイ ト イッパンカ ニ カンスル ケンキュウ

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Abstract

In this study, the damage detection system based on the structural health monitoring is proposed. The system is built by analyzing a relationship between the prediction error of the car-bridge coupled vibration and the bridge damage level with a neural network. In this paper, the mechanism of detecting the damage level from the prediction error is shown and examined by using the traffic induced vibration obtained by the numerical simulation. Also it is tried that the relationship between the error and the damage level is generalized by considering the sampling frequency and the natural frequency of the bridge.

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