Structural modal parameter identification using wavelet transform and singular value decomposition under ambient excitation

Zhendong Gongcheng Xuebao/Journal of Vibration Engineering

Volumn 22, Issue 2, 2009, Pages 142-149

  Min, Zhi Hua ^a   Sun, Li Min ^a   Sun, Zhi ^a   Dan, Dan Hui ^a  

^a Tongji University   (China)

Author keywords

Modal parameter identification; Noise resistance; Singular value decomposition; Wavelet transform

Indexed keywords

AMBIENT EXCITATIONS; CABLE-STAYED BRIDGES; MEASUREMENT NOISE; MODAL PARAMETER IDENTIFICATION; MODAL PARAMETERS; NOISE RESISTANCE; NUMERICAL EXAMPLES; RESPONSE DATUM; SINGULAR VALUES; SINGULAR VECTORS; STRUCTURAL ACCELERATIONS; STRUCTURAL SYSTEMS; TIME INVARIANTS; WAVELET COEFFICIENT MATRIXES;

BRIDGE CABLES; CABLES; COMPOSITE BEAMS AND GIRDERS; COVARIANCE MATRIX; IDENTIFICATION (CONTROL SYSTEMS); MODAL ANALYSIS; PHASE SHIFT; WAVELET DECOMPOSITION;

SINGULAR VALUE DECOMPOSITION;

EID: 65149099420     PISSN: 10044523     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (5)

1. Ruzzene M, Fasana A, Garibaldi L, et al. Natural frequencies and dampings identification using wavelet transform: application to real data[J]. Mechanical Systems and Signal Processing, 1997, 11(2), 207-218.
2. Sun Z, Chang C C. Covariance-driven wavelet technique for structural damage assessment[J]. Smart Structures and Systems, 2006, 2(2): 127-140.
3. Marty Brenne, Dale Groutage. Nonstationary dynamics data analysis with wavelet-SVD filtering[R]. Mechanical Systems and Signal Processing, NASA/TM-2001-210391, 2001.
4. James G H, Carne T G, Lauffer J P. The natural excitation technique (NExT) for modal parameter extraction from operating structures[J]. Journal of Analytical and Experimental Modal Analysis, 1995, 10(4): 260-277.