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Research on Structural Modal Parameter Identified by Stochastic Subspace Based on Stabilization Diagrams
Pages: 41-44
Year: Issue:  4
Journal: Journal of University of Science and Technology of Suzhou(Engineering and Technology)

Keyword:  参数识别环境激励随机子空间稳定图;
Abstract: 结构模态参数识别是结构健康监测的基础或输入.为了有效地识别环境激励下的结构模态参数,使用改进的稳定图结合随机子空间方法进行分析,并采用有限元模型进行了验证.结果表明:改进的稳定图结合随机子空间方法是一种行之有效的结构模态识别方法,可以有效地从环境激励的线性结构响应中获取结构模态参数,并避免了虚假模态的出现.
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