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다양한 수동 진동 절연 장치의 진동 절연 특성 비교

A Comparison of Vibration Isolation Characteristics of Various Forms of Passive Vibration Isolator

  • 투고 : 2012.03.19
  • 심사 : 2012.05.24
  • 발행 : 2012.09.20

초록

정밀 시스템에 전달되는 진동은 시스템의 성능 저하 및 오작동을 초래할 수 있기 때문에 저감되어야 한다. 진동을 저감시키는 가장 일반적인 방법은 진동이 전달되는 경로에 수동 진동 절연 장치를 도입함으로 전달되는 진동을 절연시키는 방법이다. 탄성소자와 점성 감쇠기로 구성된 일반적인 수동 진동 절연 장치는 공진에서의 전달률을 낮추기 위해서 고주파수 대역에서 진동 절연 성능을 희생해야 하는 단점을 지니고 있다. 이 논문에서는 공진에서 낮은 전달률과 고주파수 대역에서 높은 진동 절연 성능을 동시에 가진 수동 진동 절연 장치들의 특성을 비교 분석하였다.

Transmission of unwanted vibration to sensitive systems can cause various problems including performance degradation and system malfunction. The most common approach to limit the transmission of harmful vibration disturbances to the sensitive system is adapting passive vibration isolator. The classical passive vibration isolator comprising a viscous damper and spring element in parallel, however, exhibits conflicting performance characteristics in that low amplification at the resonance, which is desirable, can only be achieved at the sacrifice of vibration isolation performance in high frequency region, which is undesirable. In this paper, vibration isolation characteristics of various passive isolator schemes in literature to circumvent this conflict are introduced and compared.

키워드

참고문헌

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  2. Performance Evaluation of RWA Vibration Isolator Using Notch Filter Control vol.26, pp.4, 2016, https://doi.org/10.5050/KSNVE.2016.26.4.391
  3. Torsional Vibration Isolation Performance Evaluation of Centrifugal Pendulum Absorbers for Clutch Dampers vol.26, pp.4, 2016, https://doi.org/10.5050/KSNVE.2016.26.4.436
  4. Study on Performances of the Lever Type Anti-resonance Vibration Isolator Using Transfer Matrix Method vol.28, pp.5, 2018, https://doi.org/10.5050/KSNVE.2018.28.5.574
  5. Torque Transmissibility Analysis and Measurement of Band-stop Type Torsional Vibration Isolators Using Anti-resonance vol.28, pp.5, 2018, https://doi.org/10.5050/KSNVE.2018.28.5.582