Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Vibration Control of Stiffened Hull Structure Using MFC Actuator

MFC 작동기를 이용한 보강 Hull 구조물의 능동 진동 제어

  • Received : 2011.03.24
  • Accepted : 2011.04.01
  • Published : 2011.07.20
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Abstract

This work presents an active vibration control of a stiffened hull structure using a flexible macro fiber composite(MFC) actuator. As first step, the governing equation of the hull structure is derived in a matrix form and its dynamic characteristics such as natural frequency are obtained via a finite element analysis(FEA). The natural frequencies obtained from the FEA are compared with those determined from experimental measurement. After formulating the control model in a state space representation, an optimal controller is designed in order to attenuate the vibration of the stiffened hull structure. The controller is then empirically realized through dSPACE and control responses are evaluated in time domain.

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References

  1. Kim, H. S., Chattopadhyay, A. and Nam, C., 2002, Implementation of a Coupled Thermopiezoelectric- mechanical Model in the LQG Controller Design for Smart Composite Shell, Journal of Intelligent Material Systems and Structures, Vol. 13, No. 11, pp. 713-724. https://doi.org/10.1177/1045389X02013011003
  2. Bent, A. A., Hahood, N. M., 1997, Piezoelectric Fiber Composites, Journal of Intelligent Material Systems and Structures, Vol. 8, No. 11, pp. 903-919. https://doi.org/10.1177/1045389X9700801101
  3. Wilkie, W. K., Bryant, R. G., High, J. W., Fox, R. L., Hellbaum, R. F., Jalink, A., Little, B. D. and Mirick, P. H., 2000, Low-cost Piezocomposite Actuator for Structural Control Applications, Proceedings of Seventh SPIE International Symposium on Smart Structures and Materials, Newport Beach, CA, pp. 329-334.
  4. Sodano, H. A., Park, G. and Innman, D. J., 2004, An Investigation into the Performance of Macro-fiber Composites for Sensing and Structural Vibration Applications, Mechanical Systems and Signal Processing, Vol. 18, No. 3, pp. 683-697. https://doi.org/10.1016/S0888-3270(03)00081-5
  5. Wilkie, W. K., High, J. W. and Bockman, J., 2002, Reliability Testing of NASA Piezocomposite Actuators, ACTUATOR 2002, pp. 270-273.
  6. Sohn, J. W., Kim, H. S. and Choi, S. B., 2007, Vibration Suppression of Hull Structure Using MFC Actuators, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 17, No. 7, pp. 587-595. https://doi.org/10.5050/KSNVN.2007.17.7.587
  7. Kwon, O. C., Sohn, J. W. and Choi S. B., 2009, Active Vibration Control of Underwater Hull Structure Using Macro-fiber Composite Actuators, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 19, No. 2, pp. 138-145. https://doi.org/10.5050/KSNVN.2009.19.2.138
  8. Smart Material Corporation, MFC Data Sheet, http://www.smart-material.com/media/Datasheet/MFC-brochure_2010_V3.2.pdf.