Structure Health Monitoring Based on HHT of Vibration Response from Unknown Excitation

被引：0

作者：

Wu Shuiping ^{[1
]}

Qin Guojun ^{[1
]}

Zou Jinhui ^{[1
]}

Sun Hai ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Informat Engn & Automat, Kunming 650051, Yunnan, Peoples R China

来源：

ISTM/2009: 8TH INTERNATIONAL SYMPOSIUM ON TEST AND MEASUREMENT, VOLS 1-6 | 2009年

关键词：

Structural health monitoring; Unknown Excitation; NExT; HHT;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

To monitor the health of large civil structure in unknown excitation, a new method based on cross-correlation function is firstly applied in extracting structure damage sensitive features from the vibration response signal. Then both Hilbert-Huang spectrum and marginal spectrum analysis based on Hilbert-Huang Transform (HHT) are utilized for damage assessment. The result from the application to a simple supported tower indicates that this method has superiority to structural health monitoring.

引用

页码：490 / 493

页数：4

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