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小波分析於樑結構破損探測上之應用

Damage Detection of Beam by the Wavelet Analysis

摘要


小波分析具有良好的的解析能力,而結構的裂縫或損傷會造成結構位移訊號上的微小擾動,靠著小波分析可以擷取出這個微小的擾動,所以本研究利用小波來作樑結構的破損偵測上之應用,結果顯示小波分析對損傷的程度都有很高的靈敏度,即使損傷程度很小的損傷也能發現損傷的位置。

關鍵字

小波 破損探測

並列摘要


Damages on a structure lead to structure response perturbations at damage position. Although such local perturbations may not be apparent from the total response data, they are visible from wavelet analysis. This paper presents a technique for structure damage detection based on spatial wavelet analysis. The main purpose of this paper is to predict the positions damage based on spatial wavelet analysis.

並列關鍵字

wavelet damage detection

延伸閱讀