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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...
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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
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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