基于小波包分析的结构损伤识别研究进展
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摘要
小波包分析是对小波分析中没有细分的高频部分进行进一步分解,是一种更为精细的时频分解方法,可实现对非稳定信号的时频分析。首先阐述了结构损伤的小波分析和小波包分析的基本理论,然后主要围绕小波包能量谱损伤指标,分别对其在结构损伤的定位、微小损伤识别、在线健康监测和预警、材料缺陷检测、数值积分计算误差消除等方面的试验研究和应用情况进行了全面介绍,最后指出了结构损伤识别的小波包分析方法需要进一步研究的问题。
Wavelet packet analysis is a more accurate method of time-frequency decomposition which would decompose further high frequency signals that isn't decomposed by wavelet analysis,and it can analyze the time-frequency properties of unstable signals.At first this paper describe the basic theories of wavelet analysis and wavelet packet analysis,then centre on wavelet packet energy spectrum damage indices to introduce the test research and application of structural damage localization,small damage identification,on line health monitoring and alarming,material defect detection and numerical integral error elimination.Finally,some questions of wavelet packet analysis for structural damage identification are presented to research further.
Wavelet packet analysis is a more accurate method of time-frequency decomposition which would decompose further high frequency signals that isn't decomposed by wavelet analysis,and it can analyze the time-frequency properties of unstable signals.At first this paper describe the basic theories of wavelet analysis and wavelet packet analysis,then centre on wavelet packet energy spectrum damage indices to introduce the test research and application of structural damage localization,small damage identification,on line health monitoring and alarming,material defect detection and numerical integral error elimination.Finally,some questions of wavelet packet analysis for structural damage identification are presented to research further.
引文
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[3]李睿,曾威,胡柏学,等.环境激励下基于小波能量互熵的结构损伤诊断方法[J].中南公路工程,20063,1(6):99-102.
[4]闫振,陆阳,余建华,等.小波分析在边坡深部水平位移监测数据降噪中的应用[J].中南公路工程,2007,32(2):41-44.
[5]王彦,梁大开,周兵.光纤光栅型智能结构损伤识别的小波包分析[J].光学精密工程,20071,5(17):1731-1737.
[6]韩建刚,任伟新,孙增寿.结构损伤识别的小波包分析试验研究[J].振动与冲击,2006,25(1):47-52V
[7]丁幼亮,李爱群.基于振动测试与小波包分析的结构损伤预警[J].力学学报,20063,8(5):639-644.
[8]YAN Y J,YAM L H.Online detection of crack damage in com-posite plates using embedded piezoelectric actuators/sensors andwavelet analysis.Composite Structures2,002,58:29-38.
[9]SUN Z,CHANG C C.Structural damage assessment based onwavelet packet transform[J].Journal of Structural Engineering,2002,128(10):1354-1361.
[10]CHANG C C,SUN Z.Structural damage localization using spatialwavelet packet signature[J].Smart Structures and Systems,20051,(1):29-46.
[11]YAM L H,YAN Y J,JIANG J S.Vibration-based damage detec-tion for composite structures using wavelet transform and neuralnetwork identification[J].Composite Structures,2003,60:403-412.
[12]OVANESOVA A V,SUAREZ L E.Application of wavelet trans-forms to damage detection in frame structures[J].EngineeringStructures,2004,26(5):39-49.
[13]HOU Z,NOORI M,ST.AMAND R.Wavelet-based approachfor structural damage detection[J].J.Eng.Mech.Div.,Am.Soc.Civ.Eng.2,000,12(7):677-683.
[14]YEN G G,LIN K C.Wavelet packet feature extraction for vibra-tion monitoring[J].IEEE Trans.Ind.Electron,2000,47(3):650-667.
[15]姜增国,瞿伟廉,闵志华.基于小波包分析的结构损伤定位方法[J].武汉理工大学学报,2006,28(11):94-98.
[16]谭冬梅,瞿伟廉.基于小波包分析的空间杆系结构损伤诊断[J].武汉理工大学学报2,007,29(1):153-155.
[17]何浩祥,闫维明,彭凌云.基于支持向量机的钢筋混凝土桥梁损伤识别[J].公路交通科技2,008,25(3):65-70.
[18]郭健,陈勇,孙炳楠.桥梁健康监测中损伤特征提取的小波包方法[J].浙江大学学报(工学版),20064,0(10):1767-1772.
[19]余龙,姜节胜,闫云聚.最优小波包分解在基于响应信号的结构损伤检测中的应用[J].机械强度,2007,29(6):873-876.
[20]何振宇,张森文.基于小波包频带能量检测技术的结构损伤诊断[J].暨南大学学报(自然科学版)2,007,28(5):431-434.
[21]孙增寿,任伟新,陈隽.基于小波包分析的框架结构损伤识别[J].防灾减灾工程学报,2006,26(4):431-436.
[22]Adriana H,Zhikun H.Application of wavelet approach for ASCEstructural health monitoring benchmark studies[J].Journal ofEngineering Mechanics,ASCE,2004,130(1):96-104.
[23]刘涛,李爱群,丁幼亮.基于小波包能量谱的大跨斜拉桥拉索损伤预警方法[J].东南大学学报(自然科学版),2007,37(2):270-274.
[24]范颖芳,胡志强,周晶,等.基于小波包分析的肋拱桥结构损伤状态研究[J].工程力学2,008,25(5):182-188.
[25]闫维明,王卓,何浩祥,等.基于小波包分解和模糊聚类的网格结构损伤诊断方法[J].地震工程与工程振动,2006,26(2):56-61.
[26]杨琳瑜,于润桥,黄昌光,等.基于小波包变换的复合材料超声波检测信号特征提取[J].应用声学,2007,26(3):176-180.
[27]罗裴,姜德生,郭丹.小波包多尺度分析在智能复合材料板损伤检测中的应用[J].中国测试技术,2006,32(3):48-50.
[28]刘锡军,何继善.基于小波包的数值积分误差分析及消除方法[J].振动与冲击2,006,25(4):18-21Shock 2006,25(4):18-21.
[2]程正兴,杨守志,冯晓霞.小波分析的理论算法进展和应用[M].北京:国防工业出版社,2007.
[3]李睿,曾威,胡柏学,等.环境激励下基于小波能量互熵的结构损伤诊断方法[J].中南公路工程,20063,1(6):99-102.
[4]闫振,陆阳,余建华,等.小波分析在边坡深部水平位移监测数据降噪中的应用[J].中南公路工程,2007,32(2):41-44.
[5]王彦,梁大开,周兵.光纤光栅型智能结构损伤识别的小波包分析[J].光学精密工程,20071,5(17):1731-1737.
[6]韩建刚,任伟新,孙增寿.结构损伤识别的小波包分析试验研究[J].振动与冲击,2006,25(1):47-52V
[7]丁幼亮,李爱群.基于振动测试与小波包分析的结构损伤预警[J].力学学报,20063,8(5):639-644.
[8]YAN Y J,YAM L H.Online detection of crack damage in com-posite plates using embedded piezoelectric actuators/sensors andwavelet analysis.Composite Structures2,002,58:29-38.
[9]SUN Z,CHANG C C.Structural damage assessment based onwavelet packet transform[J].Journal of Structural Engineering,2002,128(10):1354-1361.
[10]CHANG C C,SUN Z.Structural damage localization using spatialwavelet packet signature[J].Smart Structures and Systems,20051,(1):29-46.
[11]YAM L H,YAN Y J,JIANG J S.Vibration-based damage detec-tion for composite structures using wavelet transform and neuralnetwork identification[J].Composite Structures,2003,60:403-412.
[12]OVANESOVA A V,SUAREZ L E.Application of wavelet trans-forms to damage detection in frame structures[J].EngineeringStructures,2004,26(5):39-49.
[13]HOU Z,NOORI M,ST.AMAND R.Wavelet-based approachfor structural damage detection[J].J.Eng.Mech.Div.,Am.Soc.Civ.Eng.2,000,12(7):677-683.
[14]YEN G G,LIN K C.Wavelet packet feature extraction for vibra-tion monitoring[J].IEEE Trans.Ind.Electron,2000,47(3):650-667.
[15]姜增国,瞿伟廉,闵志华.基于小波包分析的结构损伤定位方法[J].武汉理工大学学报,2006,28(11):94-98.
[16]谭冬梅,瞿伟廉.基于小波包分析的空间杆系结构损伤诊断[J].武汉理工大学学报2,007,29(1):153-155.
[17]何浩祥,闫维明,彭凌云.基于支持向量机的钢筋混凝土桥梁损伤识别[J].公路交通科技2,008,25(3):65-70.
[18]郭健,陈勇,孙炳楠.桥梁健康监测中损伤特征提取的小波包方法[J].浙江大学学报(工学版),20064,0(10):1767-1772.
[19]余龙,姜节胜,闫云聚.最优小波包分解在基于响应信号的结构损伤检测中的应用[J].机械强度,2007,29(6):873-876.
[20]何振宇,张森文.基于小波包频带能量检测技术的结构损伤诊断[J].暨南大学学报(自然科学版)2,007,28(5):431-434.
[21]孙增寿,任伟新,陈隽.基于小波包分析的框架结构损伤识别[J].防灾减灾工程学报,2006,26(4):431-436.
[22]Adriana H,Zhikun H.Application of wavelet approach for ASCEstructural health monitoring benchmark studies[J].Journal ofEngineering Mechanics,ASCE,2004,130(1):96-104.
[23]刘涛,李爱群,丁幼亮.基于小波包能量谱的大跨斜拉桥拉索损伤预警方法[J].东南大学学报(自然科学版),2007,37(2):270-274.
[24]范颖芳,胡志强,周晶,等.基于小波包分析的肋拱桥结构损伤状态研究[J].工程力学2,008,25(5):182-188.
[25]闫维明,王卓,何浩祥,等.基于小波包分解和模糊聚类的网格结构损伤诊断方法[J].地震工程与工程振动,2006,26(2):56-61.
[26]杨琳瑜,于润桥,黄昌光,等.基于小波包变换的复合材料超声波检测信号特征提取[J].应用声学,2007,26(3):176-180.
[27]罗裴,姜德生,郭丹.小波包多尺度分析在智能复合材料板损伤检测中的应用[J].中国测试技术,2006,32(3):48-50.
[28]刘锡军,何继善.基于小波包的数值积分误差分析及消除方法[J].振动与冲击2,006,25(4):18-21Shock 2006,25(4):18-21.
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