Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Vibration Control of Plates Using Resonant Shunted Piezoelectric Material

공진분기회로를 이용한 평판의 진동제어

  • 김영호 (포항공과대학교 대학원 기계공학과) ;
  • 박철휴 (포항공과대학교 기계공학과) ;
  • 박현철 (포항공과대학교 기계공학과)
  • Published : 2003.10.01
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Abstract

Vibration control of plates with a passive electrical damper is presented in this paper. This electrical absorber, piezoelectric patches connected with a resistor and an inductor in series, is analogous to the damped mechanical vibration absorber. For estimating the effectiveness of piezoelectric absorber, the governing equations of motion are derived using a classical laminate plate theory and Hamilton principle. The developed theoretical analysis is validated experimentally for a simply-supported aluminum plate in order to demonstrate the performance of passive electrical damper. The result shows that the vibration amplitude is reduced about 14dB for the targeted first vibration mode.

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References

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