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http://dx.doi.org/10.12989/sss.2010.6.5_6.749

A wireless guided wave excitation technique based on laser and optoelectronics  

Park, Hyun-Jun (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology)
Sohn, Hoon (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology)
Yun, Chung-Bang (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology)
Chung, Joseph (R&D Department, CyTroniq. Co. Ltd., Hoseo University)
Kwon, Il-Bum (Center for Safety Measurement, Korea Research Institute of Standards and Science)
Publication Information
Smart Structures and Systems / v.6, no.5_6, 2010 , pp. 749-765 More about this Journal
Abstract
There are on-going efforts to utilize guided waves for structural damage detection. Active sensing devices such as lead zirconate titanate (PZT) have been widely used for guided wave generation and sensing. In addition, there has been increasing interest in adopting wireless sensing to structural health monitoring (SHM) applications. One of major challenges in wireless SHM is to secure power necessary to operate the wireless sensors. However, because active sensing devices demand relatively high electric power compared to conventional passive sensors such as accelerometers and strain gauges, existing battery technologies may not be suitable for long-term operation of the active sensing devices. To tackle this problem, a new wireless power transmission paradigm has been developed in this study. The proposed technique wirelessly transmits power necessary for PZT-based guided wave generation using laser and optoelectronic devices. First, a desired waveform is generated and the intensity of the laser source is modulated accordingly using an electro-optic modulator (EOM). Next, the modulated laser is wirelessly transmitted to a photodiode connected to a PZT. Then, the photodiode converts the transmitted light into an electric signal and excites the PZT to generate guided waves on the structure where the PZT is attached to. Finally, the corresponding response from the sensing PZT is measured. The feasibility of the proposed method for wireless guided wave generation has been experimentally demonstrated.
Keywords
wireless power transmission; laser; optoelectronics; active sensing; guided wave generation;
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Times Cited By KSCI : 3  (Citation Analysis)
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1 Achenbach, J.D. (2000), "Quantitative nondestructive evaluation", Int. J. Solids Struct., 37, 13-27.   DOI   ScienceOn
2 Castaings, M. and Hosten, B. (2001), "Lamb and SH waves generated and detected by air-coupled ultrasonic transducers in composite material plates", NDT & E Int., 34, 249-258.   DOI   ScienceOn
3 Celebi, M. (2002), Seismic instrumentation of buildings (with emphasis of federal buildings), Technical report No. 0-7460-68170.
4 Clark, M., Linnane, F., Sharples, S.D. and Somekh, M.G. (1998), "Frequency control in laser ultrasound with computer generated holography", Appl. Phys. Lett., 72(16), 1963-1965.   DOI   ScienceOn
5 Georgiou, H.M.S. and Mrad, R.B. (2004), "Experimental and theoretical assessment of PZT modeled as RC circuit subject to variable voltage excitations", Mechatronics, 14(6), 667-674.   DOI   ScienceOn
6 Ghosh, T., Kundu, T. and Karpur, P. (1998), "Efficient use of Lamb modes for detecting defects in large plates", Ultrasonics, 36, 791-801.   DOI   ScienceOn
7 Giurgiutiu, V. (2008), Structural Health Monitoring with Piezoelectric Wafer Active Sensors, Elsevier Inc., London.
8 Greve, D.W., Sohn, H., Yue, C.P. and Oppenheim, I.J. (2007), "An Inductively coupled lamb wave transducer", IEEE Sens. J., 7(2), 295-301.   DOI
9 Grisso, B.L. and Inman, D.J. (2008), "Autonomous hardware development for impedance-based health monitoring", Smart Struct. Syst., 4(3), 305-318.   DOI
10 Guo, N. and Cawley, P. (1994), "Lamb wave reflection for the quick nondestructive evaluation of large composite laminates", Mater. Eval., 52, 404-411.
11 Guo, Z., Achenbach, J.D. and Krishnaswamy, S. (1997), "EMAT generation and laser detection of single Lamb wave modes", Ultrasonics, 35(6), 423-429.   DOI   ScienceOn
12 Kasap, S.O. (2001), Optoelectronics and Photonics: Principles and Practices, Prentice Hall, New Jersey.
13 Khare, R.P. (2004), Fiber Optics and Optoelectronics, Oxford University Press, India.
14 Kim, S.B. and Sohn, H. (2007), "Instantaneous reference-free crack detection based on polarization characteristics of piezoelectric materials", Smart Mater. Struct., 16(6), 2375-2387.   DOI   ScienceOn
15 Lee, H.S., Park, H.J., Sohn, H. and Kwon, I.B. (2009), "A Hybrid PZT/FBG guided wave generation and sensing system using a single laser source", Proceedings of the International Conference on Computational Design in Engineering, Seoul, Korea, November.
16 Lu, K.C., Loh, C.H., Yang, Y.S., Lynch, J.P. and Law, K.H. (2008), "Real-time structural damage detection using wireless sensing and monitoring system", Smart Struct. Syst., 4(6), 759-777.   DOI
17 Lynch, J.P. and Loh, K.J. (2006), "A summary review of wireless sensors and sensor networks for structural health monitoring", Shock Vib. Digest, 38(2), 91-128.   DOI   ScienceOn
18 Park, H.J., Sohn, H., Yun, C.B., Chung, J. (2010), "Wireless guided wave-based monitoring using laser based actuation and sensing", Proceedings of the 6th Computational Stochastic Mechanics Conference, Rhodos, Greece, June.
19 Mascarenas, D.L., Todd, M.D., Park, G. and Farrar, C.R. (2007), "Development of an impedance-based wireless sensor node for structural health monitoring", Smart Mater. Struct., 16(6), 2137-2145.   DOI   ScienceOn
20 Moulin, E., Assaad, J., Delebarre, C., Kaczmarek, H. and Balageas, D. (1997), "Piezoelectric transducer embedded in a composite plate: application to Lamb wave generation", J. Appl. Phys., 82(5), 2049-2055.   DOI   ScienceOn
21 RF Connectors (1979), Radio-frequency connectors, Part 15: R.F. coaxial connectors with inner diameter of outer conductor 4.13 mm (0.163 in) with screw coupling - Characteristic impedance 50 ohms (Type SMA), International Electrotechnical Commission.
22 Raghavan, A. and Cesnik, E.S. (2007), "Review of guided-wave structural health monitoring", Shock Vib. Digest, 39(2), 91-114.   DOI   ScienceOn
23 Scruby, C.B. and Drain, L.E. (1990), Laser Ultrasonics: Techniques and Applications, Taylor & Francis Group, New York.
24 Smith, S.D. (1995), Optoelectronic Devices, Prentice Hall, New Jersey.
25 Sohn, H. (2003), "Active sensing based structural health monitoring for flaw detection in composite structures", KSCE J. Civ. Eng., 7(6), 637-646.   DOI   ScienceOn
26 Sohn, H., Park, G., Wait, J.R., Limback, N.P. and Farrar, C.R. (2004), "Wavelet-based active sensing for delamination detection in composite structures", Smart Mater. Struct., 13, 153-160.   DOI   ScienceOn
27 Sohn, H. and Lee, S.J. (2010), "Lamb wave tuning curve calibration for surface-bonded piezoelectric transducers", Smart Mater. Struct., 19, 1-12.
28 Su, Z., Ye, L. and Lu, Y. (2006), "Guided Lamb waves for identification of damage in composite structures: a review", J. Sound Vib., 295, 753-780.   DOI   ScienceOn
29 Svelto, O. (1982), Principles of Lasers, Plenum, New York.
30 Wang, L. and Yuan, F.G. (2007), "Active damage localization technique based on energy propagation of Lamb waves", Smart Struct. Syst., 3(2), 201-217.   DOI
31 Wilson, J. and Hawkes, J. (1998), Optoelectronics: An introduction, Prentice Hall, New Jersey
32 Yeatman, E.M. (2009), "Energy harvesting-small scale energy production from ambient sources", Proceedings of the SPIE, the International Society for Optical Engineering, San Diego CA, USA, March.