Safety Assessment of Civil Engineering Structures Using Hilbert-Huang Transform

摘要：

A general method for the analysis of a time series, called Hilbert-Huang Transform has been recently developed by Huang In this paper, Hilbert-Huang Transform method is used to analyze two time series data comparing to wavelet analysis. The results show that Hilbert-Huang Transform is not only one efficient method for analyzing non-stationary data, but also a useful tool for examining detail characters of time history signal. Time domain vibration data from a scaled civil building model undergoing different seismic loads was then processed through the Hilbert-Huang transform to obtain frequency and damping information. The frequency and damping information was later processed to extract the underlying structurul safety properties. Results illustrate that Hilbert-Huang Transform is a powerful signal processing tool that tracks unique features in the vibratory response of smscture.

关键词： safety assessment civil building model Hilbert-Huang transform damping loss factor seismic load

作者: SHI Chunxiang LI Husheng

作者单位: School of Construction and Safety Engineering,Shanghai Institute of Technology,Shanghai 200235,China

会议类型: 国际会议

会议名称: The 2008 International Symposium on Safety Science and Technology(2008年安全科学技术国际会议)

会议地点: 北京

会议语种:英文

页码: 170-175

在线出版日期: 2008-09-24（万方平台首次上网日期，不代表论文的发表时间）