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 Beams Using Mechanical-Electrical Hybrid Passive Damping System

전기적-기계적 수동감쇠기를 이용한 빔의 진동제어

  • 박철휴 (포항공과대학교, 기계공학과) ;
  • 안상준 (포항공과대학교 대학원, 기계공학과) ;
  • 박현철 (포항공과대학교, 기계공학과)
  • Published : 2003.08.01
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Abstract

A new mechanical-electrical hybrid passive damping treatment is proposed to improve the performance of structural vibration control. The proposed hybrid passive damping system consists of a constrained layer damping treatment and a shunt circuit. In a passive mechanical constrained layer damping, a viscoelastic material damping layer is used to control the structural vibration modes in high frequency range. The passive electrical damping is designed for targeting the nitration amplitude in the low frequency range. The governing equations of motion are derived through the Hamilton's principle. The obtained mathematical model Is validated experimentally. The presented theoretical and experimental techniques provide invaluable tools for controlling the multiple modes of a vibrating structure over a wide frequency band.

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References

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