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author:

韩建刚 (韩建刚.) [1] | 任伟新 (任伟新.) [2] | 孙增寿 (孙增寿.) [3]

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CQVIP CSCD

Abstract:

由于小波包变换在分析非平稳信号方面较傅立叶变换更为有效,提出了基于小波包变换的能量变化率指标进行损伤识别的方法.首先,将得到的结构响应信号进行小波包分解,然后通过小波包能量变化率指标来进行损伤定位.通过3种不同损伤工况的梁体室内试验证明,损伤指标可以准确地识别损伤位置.

Keyword:

小波包变换 损伤识别 能量变化率指标

Community:

  • [ 1 ] [韩建刚]海南大学
  • [ 2 ] [任伟新]福州大学
  • [ 3 ] [孙增寿]福州大学

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Source :

振动、测试与诊断

ISSN: 1004-6801

CN: 32-1361/V

Year: 2006

Issue: 1

Volume: 26

Page: 5-10

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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