基于小波包网络的梁裂纹位置识别仿真研究

Simulation for Recognition of Crack Location in a Cantilever Basedon Wavelet Packet Networks

该文以悬臂梁为研究对象 ,对不同位置的裂纹所引起的动态响应进行数字仿真 ,并对所获取的信号利用小波包网络进行信号分解 ,提取能量特征和非线性建模 ,从而实现了裂纹位置的识别 ,仿真结果令人满意。

Inthispaper,asanobjectofstudy,cantileverisconsidered .Dynamicresponseaffectedbydifferentcracklocationissimulat ed ,resultingsignalsaredecomposed ,energyfeatureisextractedandnonlinearmodeisestablishedbymeansofthewaveletpacketneuralnet works.Therebytherecognitionofcracklocationisimplemented .Simulatedresultsissatisfactory.