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框架结构非线性损伤的主成分分析识别方法研究

赵仕通 肖黎 屈文忠

赵仕通, 肖黎, 屈文忠. 框架结构非线性损伤的主成分分析识别方法研究[J]. 机械科学与技术, 2018, 37(1): 8-12. doi: 10.13433/j.cnki.1003-8728.2018.0102
引用本文: 赵仕通, 肖黎, 屈文忠. 框架结构非线性损伤的主成分分析识别方法研究[J]. 机械科学与技术, 2018, 37(1): 8-12. doi: 10.13433/j.cnki.1003-8728.2018.0102
Zhao Shitong, Xiao li, Qu Wenzhong. Study on Nonlinear Damage Identification of Frame Structure with a Principal Component Analysis Method[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(1): 8-12. doi: 10.13433/j.cnki.1003-8728.2018.0102
Citation: Zhao Shitong, Xiao li, Qu Wenzhong. Study on Nonlinear Damage Identification of Frame Structure with a Principal Component Analysis Method[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(1): 8-12. doi: 10.13433/j.cnki.1003-8728.2018.0102

框架结构非线性损伤的主成分分析识别方法研究

doi: 10.13433/j.cnki.1003-8728.2018.0102
基金项目: 

国家自然科学基金项目(51378402)资助

详细信息
    作者简介:

    赵仕通(1993-),硕士研究生,研究方向为结构健康监测,zhaoshitong@whu.edu.cn

    通讯作者:

    屈文忠,教授,博士生导师,qwz@whu.edu.cn

Study on Nonlinear Damage Identification of Frame Structure with a Principal Component Analysis Method

  • 摘要: 针对框架结构非线性损伤识别问题,提出一种基于主成分分析的损伤识别方法。利用主成分分析数据压缩和特征提取的特性,首先对结构基准工况响应信号进行处理,提取特征成分,得到主成分模型,然后将结构未知工况响应数据向主成分模型投影,通过构造损伤指标实现对结构非线性损伤的识别。以四层钢框架结构碰撞模型为实验对象,通过螺栓和钢柱构造碰撞非线性损伤源,实验结果表明该方法可有效识别结构的非线性损伤。
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出版历程
  • 收稿日期:  2016-10-19
  • 刊出日期:  2018-01-15

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