Methodologies for quantifying changes in diffuse ultrasonic signals with applications to structural health monitoring

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5768, Issue , 2005, Pages 97-105

  Michaels, Jennifer E ^a   Lu, Yinghui ^a   Michaels, Thomas E ^a  

^a GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Damage detection; Diffuse waves; Signal comparison; Spectrogram; Structural health monitoring; Ultrasound

Indexed keywords

DAMAGE DETECTION; DIFFUSE WAVES; SENSOR ARRAYS; SIGNAL COMPARISON; SPECTROGRAM; STRUCTURAL HEALTH MONITORING; ULTRASONIC SIGNALS;

ALUMINUM; DATA ACQUISITION; ENVIRONMENTAL IMPACT; SIGNAL PROCESSING; WAVEFORM ANALYSIS;

ULTRASONIC EFFECTS;

EID: 25644434761     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.598959     Document Type: Conference Paper

References (10)

1. P. Cawley, M.J.S. Lowe, D.N. Alleyne, B. Pavlakovic and P. Wilcox, "Practical long range guided wave testing: applications to pipes and rails," Materials Evaluation, 61, 66-74, 2003.
2. J. L. Rose, "Standing on the shoulders of giants: an example of guided wave inspection," Materials Evaluation, 60, 53-59, 2002.
3. C. Valle, M. Niethammer, J. Qu and L. Jacobs, "Time-frequency representation of Lamb waves," Journal of the Acoustical Society of America, 71(6), 1282-1290, 2001.
4. A.L. Gyekenyesi, L.M. Harmon and H.E. Kautz, "The effect of experimental conditions on acousto-ultrasonic repeatability", Proceedings of the 2002 SPIE Conference on Nondestructive Evaluation and Health Monitoring of Aerospace Materials and Civil Structures, 4704, 177-186, 2002.
5. T.E. Michaels and J.E. Michaels, "Sparse ultrasonic transducer array for structural health monitoring", in Review of Progress in QNDE, D. O. Thompson and D. E. Chimenti (eds.), American Institute of Physics, New York, 23B, 1468-1475, 2004.
6. J.E. Michaels, A.C. Cobb and T.E. Michaels, "A comparison of feature-based classifiers for ultrasonic structural health monitoring", Proceedings of the 2004 SPIE Conference on Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems III, T. Kundu (ed.), 5394, 363-374, 2004.
7. H.S. Nawab and T.F. Quatieri, "Short-time Fourier transform," in Advanced Topics in Signal Processing, J.S. Lim and A.V Oppenheim (eds.), Prentice Hall, Englewood Cliffs, New Jersey, 289-337, 1988.
8. J.E. Michaels and T.E. Michaels, "Detection of structural damage from the local temporal coherence of diffuse ultrasonic signals", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, accepted for publication, 2005.
9. R. Weaver and O. Lobkis, "Temperature dependence of the diffuse field phase," Ultrasonics, 38, 491-494, 2000.
10. Y. Lu and J.E. Michaels, "A methodology for structural health monitoring with diffuse ultrasonic waves in the presence of temperature variations," submitted for publication, 2004.