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논문 기본 정보

자료유형
학술대회자료
저자정보
(Seoul National University) (Seoul National University) (Seoul National University)
저널정보
한국소음진동공학회 한국소음진동공학회 학술대회논문집 한국소음진동공학회 2013년도 춘계학술대회 논문집
발행연도
수록면
347 - 352 (6page)

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초록· 키워드

Seoul National University Flap (SNUF) blade is a small-scaled rotor blade incorporating a small trailing-edge flap control surface driven by piezoelectric actuators at higher harmonics for vibration attenuation. Initially, the blade was designed using two-dimensional cross-section analysis and a geometrically exact one-dimensional beam analysis, and material configuration was finalized. Flap deflection angle of ±4° was established as the criterion for better vibration reduction performance based on an earlier simulation. Flap linkage mechanism design is carried out and static bench tests are conducted to verify the flap actuation mechanism performance. Different versions of test beds are developed and tested with the flap and chosen APA 200M piezoelectric actuators. Through significant improvements, a maximum deflection of ± 3.7° was achieved. High frequency experiments are conducted to evaluate the performance and transfer function of the test bed is determined experimentally. As the static tests are almost completed, rotor power required for testing the blade in whirl tower (centrifugal environment) is calculated and further preparations are under way.
#Active Trailing-edge Flap(ATF) #piezoelectric actuator #vibration control #active rotor blade
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목차

  1. ABSTRACT
  2. 1. Introduction
  3. 2. Blade Design and Tests
  4. 3. Whirl Test Preparations
  5. 4. Conclusion
  6. References

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