| 基于微分演化的结构系统识别 |
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| 引用本文： | 刘璋.基于微分演化的结构系统识别[J].江西科学,2009,27(1):17-21. |
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| 作者姓名： | 刘璋 |
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| 作者单位： | 同济大学结构工程与防灾研究所,上海,200092 |
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| 摘 要： | 研究了使用微分演化（DE）算法进行结构系统识别的方法，该方法的基本思想是将结构系统识别问题描述成一个多峰值非线性优化问题，同时通过微分演化算法发现系统参数的最优估计。利用该方法在有限的输入输出数据和噪声污染条件下，同时在没有系统质量、刚度和阻尼先验知识的情况下对结构系统进行了识别，数值算例结果表明：DE方法易于实现且计算时占用资源低，同时可以成功地对结构系统进行识别。
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| 关 键 词： | 微分演化 优化算法 系统识别 |
Structural System Identification Based on Differential Evolution Algorithm |
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| LIU Zhang.Structural System Identification Based on Differential Evolution Algorithm[J].Jiangxi Science,2009,27(1):17-21. |
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| Authors: | LIU Zhang |
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| Institution: | Research Institute of Structural Engineering and Disaster Reduction;Tongji University;Shanghai 200092 PRC |
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| Abstract: | A method for identification of structural systems using Differential Evolution Algorithm(DE) is presented.The basic idea of the method is that the identification problems are cast as a multimodal nonlinear programming problem,and then Differential Evolution Algorithm is used to find the optimal estimation of the parameters.Some results obtained with this algorithm are presented for the identification of structural systems under conditions including limited input/output data,noise polluted signals,and no pri... |
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| Keywords: | Differential evolution algorithm Optimization algorithm System identification |
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