| 基于 BP 神经网络的结构损伤识别研究 |
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| 引用本文： | 常虹,;尹春超.基于 BP 神经网络的结构损伤识别研究[J].黑龙江商学院学报,2014(4):474-476. |
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| 作者姓名： | 常虹 ;尹春超 |
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| 作者单位： | [1] 吉林建筑大学,长春130118; [2] 吉林北银建筑设计研究院,长春130021 |
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| 摘 要： | 针对结构的损伤识别进行了研究，选取结构固有频率平方变化比作为特征参数，建立12×25×1 BP网络结构，采用均方误差函数目标误差函数，学习函数选取梯度下降动量学习函数和L-M优化算法，对四层钢框架结构的损伤进行了检测。
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| 关 键 词： | BP神经网络 结构 损伤 |
Study on structural damage identification based on BP neural network |
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| Institution: | CHANG Hong, YIN Chun-chao ( 1. Jilin Architecture University, Changchun 130118, China; 2. Jilin Beiyin Architecture Design and Research Institute, Changchun 130021, China) |
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| Abstract: | This paper studied the structural damage , chose the change rate of squared natural frequency of the structure as characteristic parameter established 12 ×25 ×1 BP neural net-work using the mean square error function as target error function , selected gradient descent momentum learning function and L -M optimization algorithm and set up a three layers BP neural network to test four layers steel frame structure ’ s damage . |
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| Keywords: | BP neural network structure damage |
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