Smart Structures and Systems

  • 제17권1호
  • /
  • Pages.135-147
  • /
  • 2016
  • /
  • 1738-1584(pISSN)
  • /
  • 1738-1991(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Intelligent bolt-jointed system integrating piezoelectric sensors with shape memory alloys

  • Park, Jong Keun (Department of Civil Engineering, Byuksung College) ;
  • Park, Seunghee (School of Civil, Architectural, & Environmental Engineering, Sungkyunkwan University)
  • 투고 : 2014.03.03
  • 심사 : 2014.08.04
  • 발행 : 2016.01.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper describes a smart structural system, which uses smart materials for real-time monitoring and active control of bolted-joints in steel structures. The goal of this research is to reduce the possibility of failure and the cost of maintenance of steel structures such as bridges, electricity pylons, steel lattice towers and so on. The concept of the smart structural system combines impedance based health monitoring techniques with a shape memory alloy (SMA) washer to restore the tension of the loosened bolt. The impedance-based structural health monitoring (SHM) techniques were used to detect loosened bolts in bolted-joints. By comparing electrical impedance signatures measured from a potentially damage structure with baseline data obtained from the pristine structure, the bolt loosening damage could be detected. An outlier analysis, using generalized extreme value (GEV) distribution, providing optimal decision boundaries, has been carried out for more systematic damage detection. Once the loosening damage was detected in the bolted joint, the external heater, which was bonded to the SMA washer, actuated the washer. Then, the heated SMA washer expanded axially and adjusted the bolt tension to restore the lost torque. Additionally, temperature variation due to the heater was compensated by applying the effective frequency shift (EFS) algorithm to improve the performance of the diagnostic results. An experimental study was conducted by integrating the piezoelectric material based structural health monitoring and the SMA-based active control function on a bolted joint, after which the performance of the smart 'self-monitoring and self-healing bolted joint system' was demonstrated.

키워드

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea(NRF), Ministry of Land, Infrastructure and Transport of Korean government

참고문헌

  1. Antonios, C., Inman, D.J. and Smaili, A. (2006), "Experimental and theoretical behavior of self-healing bolted joints", J. Intel. Mat. Syst. Str., 17(6), 499-509. https://doi.org/10.1177/1045389X06058872
  2. Barnett, V. and Lewis, T. (1994), Outliers in Statistical data, (3rd Ed.), John Wiley & Sons Ltd., West Sussex.
  3. Bhalla, S., Naidu, A.S.K. and Soh, C.K. (2002), "Influence of structure-actuator interactions and temperature on piezoelectric mechatronic signatures for NDE", Proc., SPIE., Bangalore, India., 5062, 263-269.
  4. Coles, S. (2001), An introduction to statistical modeling of extreme values, Springer, London.
  5. Dry, C. (1994), "Structural control during and after seismic events by timed release of chemicals for damage repair in composites made of concrete or polymers", Proceedings of the 1st World Conference on Structural Control, Los Angeles, CA.
  6. Faria, C.T., Junior, V.L. and Inman, D.J. (2011), "Modeling and experimental aspects of self-healing bolted joint through shape memory alloy actuators", J. Intel. Mat. Syst. Str., 22(14), 1581-1594. https://doi.org/10.1177/1045389X11411116
  7. Gaul, L. (1997), Active control of joints in members and structures, German patent DE 197 02 518 A1.
  8. Giurgiutiu, V., Zagrai, A. and Bao, J.J. (2002), "Piezoelectric wafer embedded active sensors for aging aircraft structural health monitoring", Struct. Health Monit., 1(1), 41-61. https://doi.org/10.1177/147592170200100104
  9. Giurgiutiu, V., Zagrai, A. and Bao, J.J. (2004), "Damage identification in aging aircraft structures with piezoelectric wafer active sensors", J. Intel. Mat. Syst. Str., 15, 673-688. https://doi.org/10.1177/1045389X04038051
  10. Haimi, E., Keto-Tokoi, J., Soderberg, O. and Lindroos, V.K. (1997), "A method for pre-tensioning of bolts based on shape memory alloy actuators and active heating", Proceedings of the 2nd International Conference on Shape Memory and Superelastic Technologies, Menlo Park, CA.
  11. Koo, K.Y., Park, S, Lee, J.J. and Yun, C.B. (2009), "Automated impedance-based structural health monitoring incorporating effective frequency shift for compensating temperature effects", J. Intel. Mat. Syst. Str., 20, 367-377. https://doi.org/10.1177/1045389X08088664
  12. Lee, C. and Park, S. (2011), "Damage classification of pipelines under water flow operation using multi-mode actuated sensing technology", Smart Mater. Struct., 20, 115002(9pp). https://doi.org/10.1088/0964-1726/20/11/115002
  13. Lee, S.J. and Sohn, H. (2006), "Active self-sensing scheme development for structural health monitoring", Smart Mater. Struct., 15(6), 1734-1746. https://doi.org/10.1088/0964-1726/15/6/028
  14. Liang, C., Sun, F.P. and Rogers, C.A. (1994), "Coupled electro-mechanical analysis of adaptive material systems-determination of the actuator power consumption and system energy transfer", J. Intel. Mat. Syst. Str., 5(1), 12-20. https://doi.org/10.1177/1045389X9400500102
  15. Lovell, PA. and Pines, D.J. (1998), "Damage assessment in a bolted lap joint", Proc., SPIE, San Diego, CA.
  16. Muntges, D.B., Park, G. and Inman, D.J. (2001), "Investigation of a self-healing bolted joint employing a shape memory actuator", Proc., SPIE, Newport Beach, CA.
  17. Park, G. (2001), "Self-monitoring and self-healing jointed structures", Key Eng. Mater., 204-205, 75-84. https://doi.org/10.4028/www.scientific.net/KEM.204-205.75
  18. Park, G., Cudney, H. and Inman, D.J. (2000), "Impedance-based health monitoring of civil structural components", J. Infrastruct. Syst., 6(4), 153-160. https://doi.org/10.1061/(ASCE)1076-0342(2000)6:4(153)
  19. Park, G., Kabeya, K., Cudney, H. and Inman, D.J. (1999), "Impedance-based structural health monitoring for temperature varying applications", JSME Int. J. Series A., 42(2), 249-258.
  20. Park, G., Muntges, D.E. and Inman, D.J. (2003), "Self-repairing joints employing shape-memory alloy actuators", JOM-US., 55(12), 33-37.
  21. Park, S., Kim, J.W., Lee, C. and Park, S.K. (2011), "Impedance-based wireless debonding condition monitoring of CFRP laminated concrete structures", NDT&E Int., 44(2), 232-238. https://doi.org/10.1016/j.ndteint.2010.10.006
  22. Park, S., Yun, C.B., Roh, Y. and Lee, J.J. (2006), "PZT-based active damage detection techniques for steel bridge components", Smart Mater. Struct., 15(4), 957-966. https://doi.org/10.1088/0964-1726/15/4/009
  23. Peairs, D.M., Park, G. and Inman, D.J. (2002), "Low cost impedance monitoring using smart materials", Proceedings of the 1st European Workshop on Structural Health Monitoring Ecole Normale Superieure., Paris, France.
  24. Rogers, C.A., Liang, C. and Li, S. (1991), "Active damage control of hybrid material systems using induced strain actuators", Proceedings of the AIAA 32nd Structure, Structural Dynamics, and Materials Conference, Baltimore, MD.
  25. Simmons, W.C. (1986), Bolt failure studies at Aberdeen proving ground. Analyzing Failures: Problems and Solutions, Paper presented at International Conference and Exposition on Cracks and Fatigue. Corrosion Cracking Fracture Mechanics and Failure Analysis, Salt Lake City, UT.
  26. Waram ,T. (1993), Actuator design using shape memory alloys, T.C. Waram, Ontario.

피인용 문헌

  1. Seismic behavior of properly designed CBFs equipped with NiTi SMA braces vol.21, pp.4, 2016, https://doi.org/10.12989/sss.2018.21.4.479
  2. Temperature effect on seismic performance of CBFs equipped with SMA braces vol.22, pp.5, 2018, https://doi.org/10.12989/sss.2018.22.5.495