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author:

吴思瑶 (吴思瑶.) [1] | 姜绍飞 (姜绍飞.) [2]

Indexed by:

PKU CSCD

Abstract:

提出了一种基于DWT-FastICA和IMPSCO的两阶段时变结构损伤识别方法.第I阶段:首先,通过离散小波变换(discrete wavelet transform,DWT)对各传感器采集到的结构动力响应信号进行预处理;然后,利用快速独立分量分析(fast independent component analysis,FastICA)提取出包含损伤信息的特征分量,从而确定损伤发生的时刻并初步定位损伤.第II阶段:采用改进的多粒子群协同优化算法(improved multi-particle swarmscooperative optimization,IMPSCO)分时段进行物理参数优化,实...

Keyword:

小波变换 时变结构 独立分量分析 粒子群算法

Community:

  • [ 1 ] 福州大学土木工程学院

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2013

Issue: 04

Volume: 41

Page: 640-651

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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