通过计算机仿真技术,建立了损伤结构的模型,得到了包含结构损伤位置和损伤程度信息的固有频率变化规律,采用适当的方式构造改进型BP神经网络的输入参数,对结构做数值模拟试验,从而对悬臂板结构进行损伤识别.结果显示,本文采用的方法在工程结构损伤检测中有很好的应用价值.%Through the computer simulation technology, establish a damage structure model, obtain the contains structure for damage location and damage degree of natural frequency information change rule, using the appropriate way structure improved BP neural network's input parameter, do numerical simulation test for the structure, and the cantilever plate structure damage identification results show that, this article uses the method in engineering structure damage detection, and has very good application value.
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