Understanding a reference-free impedance method using collocated piezoelectric transducers

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7650, Issue PART 1, 2010, Pages

  Kim, Eun Jin ^a   Kim, Min Koo ^b   Sohn, Hoon ^b   Park, Hyun Woo ^a  

^a Dong A University   (South Korea)

^b Korea Advanced Institute of Science and Technology (KAIST)   (South Korea)

Author keywords

Collocated piezoelectric wafers; Electro mechanical signatures (EMS); Lamb waves; Polarization; Reference free impedance method; Signal decomposition; Spectral element analysis

Indexed keywords

ELECTRO-MECHANICAL; IMPEDANCE METHOD; LAMB WAVE; LAMB WAVES; PIEZOELECTRIC WAFERS; SIGNAL DECOMPOSITION; SPECTRAL ELEMENT ANALYSIS;

BIOLOGICAL SYSTEMS; COMPUTER SIMULATION; DAMAGE DETECTION; ELASTIC WAVES; FREQUENCY DOMAIN ANALYSIS; PIEZOELECTRICITY; PLATES (STRUCTURAL COMPONENTS); POLARIZATION; SIGNAL DISTORTION; STRUCTURAL HEALTH MONITORING; STRUCTURES (BUILT OBJECTS); TRANSDUCERS; ULTRASONIC WAVES;

SIGNAL PROCESSING;

EID: 77953527052     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.847474     Document Type: Conference Paper

References (15)

1. Raghavan, A. and Cesnik, C. E. S., "Review of guided-wave structural health monitoring," The Shock and Vibration Digest 39(91), 91-114 (2007).
2. Park G, Sohn H, Farrar CR, Inman DJ., "Overview of piezoelectric impedance-based health monitoring and path forward.", The Shock and Vibration Digest 35, 451-463 (2003).
3. Sohn, H., "Effects of Environmental and Operational Variability on Structural Health Monitoring," Philosophical Transactions of the Royal Society A 365(1851), 539-560 (2007).
4. Sohn, H., Park, H. W., Law, K. H., Farrar, C. R., "Combination of a time reversal process and a consecutive outlier analysis for baseline-free damage diagnosis," J. Intel. Mater. Smart Struct. 18(4), 335-346 (2007).
5. Kim, S. B. and Sohn, H., "Instantaneous Reference-free Crack Detection Based on Polarization Characteristics of Piezoelectric Materials," Smart Materials and Structures 16(6), 2375-2387 (2007).
6. Park, H.W., Lim, K. L., Kim, E. J. and Sohn, H., "Spectral element formulation for dynamic analysis of a coupled piezoelectric wafer and beam system," Journal Computers & Structures, in press (2010).
7. Rose, J. L., [Ultrasonic waves in solid media], Cambridge University Press, (1999).
8. Fung, Y.C., [Foundations of solid mechanics], Prentice-Hall Inc, (1965).
9. French, A. P., [Vibrations and Waves], MIT Press, (1971).
10. Gopalakrishnan, S., Chakraborty, A. and Roy Mahapatra, D., [Spectral Finite Element Method: Wave Propagation, Diagnostics and Control in Anisotropic and Inhomogeneous Structures], Springer London, (2007).
11. Chakraborty, A. and Gopalakrishnan., S., "A spectrally formulated plate element for wave propagation analysis in anisotropic material," Comput. Methods Appl. Mech. Engrg. 194, 4425-4446 (2005). (Pubitemid 41093698)
12. Ikeda, T., [Fundamentals of piezoelectricity], Oxford Science Publications, (1984).
13. Lee, U., Kim, J. and Leung, A.Y.T., "The spectral element method in structural dynamics," The Shock and Vibration Digest 32(6), 451-465 (2000).
14. Piezo Systems Inc., [http://www.piezo.com] , (2009)
15. Kim M. K, Kim, E. J., Park H. W. and Sohn, H. "Reference-free impedance-based crack detection in plate-like structures," SPIE International Symposia, Smart Structures & Materials and Nondestructive Evaluation for Health Monitoring and Diagnostics, San Diego, CA, March 7-11 (2010)