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

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Impulse Response Analysis of an Amplitude Proportional Friction Damper System

변위비례식 마찰댐퍼 시스템의 임펄스 가진 응답해석

  • 최명진 (경희대학교 기계산업시스템공학부) ;
  • 박동훈 (경희대학교 대학원 기계공학과)
  • Published : 2004.05.01
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Abstract

An Amplitude Proportional Friction Damper (APFD), in which the friction force is proportional to the system displacement, has been introduced and mathematically modeled. To understand the damping characteristics of APFD, analytical solutions for the impulse response has been derivedand compared to the viscous damper. It is found that APFD system has very similar damping characteristics to viscous damper even though it is a friction damper. APFD may be used as a cost-effective substitution for the viscous damper and could also be used to improve the simple friction or Coulomb dampersince APFD works with no stick-slip and always returns to original position when external disturbance is disappeared.

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References

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