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A TWO-STEP STRUCTURAL DAMAGE DETECTION APPROACH BASED ON WAVELET PACKET ANALYSIS AND NEURAL NETWORK

机译:基于小波包分析和神经网络的两步结构损伤检测方法

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In this paper, a two-step structural damage detection approach based on wavelet packet analysis is presented.Firstly, the location of the damage member is determined by probabilistic neural network according to the wavelet packet node energy change. Secondly, the damage extent of the damaged member is determined by back-propagation network according to the wavelet packet node energy. The results of the numerical simulation demonstrate that the approach can detect the structural damage with good robustness.
机译:本文介绍了一种基于小波分组分析的两步结构损伤检测方法。首先,损伤构件的位置根据小波包节点能量改变由概率神经网络确定。其次,损坏构件的损坏程度由根据小波分组节点能量的后传播网络确定。数值模拟的结果表明该方法可以检测具有良好稳健性的结构损伤。

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