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[학술저널]

대형 망원경용 FSM(Fast Steering Secondary Mirror)을 위한 팁틸트 액츄에이터의 성능평가

  • 학술저널

대형 망원경용 FSM(Fast Steering Secondary Mirror)을 위한 팁틸트 액츄에이터의 성능평가

Performance Evaluation of the Tip-tilt Actuator in Fast Steering Secondary Mirror for Large Telescope

김호상(고등기술연구원) 이동찬(네오시스템) 이경돈(고등기술연구원) 김영수(한국천문연구원)

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리뷰 30

이용수 77

피인용수 0

초록

For ground-based telescope application, the performance assessment of tip-tilt actuator is important because the optical quality of telescope depends upon the windshake compensation ability of the fast steering secondary mirror. But it is difficult to measure the performance characteristics of the actuators due to the large size mirror and test facilities including the vacuum support and structural frame. In this paper, the full-scale tip-tilt test bed for the large size secondary mirror with diameter of 1m is built and the several tests are performed including the range, resolution and frequency response function. From the measurement results, it is shown that the tip-tilt actuator can successfully compensate the windshake with frequency of maximum 12 Hz and be a candidate for the Giant Magellan Telescope.

목차

1. 서론
2. FSM용 팁틸트 액츄에이터
3. 팁틸트 액츄에이터와 더미미러의 유한요소 해석
4. 팁틸트 액츄에이터의 성능측정
5. 결론
REFERENCES

참고문헌(9)

  • 1.

    Cho, M. , 2012 , Performance Prediction of the Fast Steering Secondary Mirror for the Giant Magellan Telescope , Proc. of SPIE 8444 : 844424-1 ~ 844424-13

  • 2.

    GMT , , Secondary mirrors: GMT-ID-01472

  • 3.

    Kaman Precision , , Sensor Data Sheet KD-5100

  • 4.

    Kim, H. S. , 2009 , Design and Modeling of a Novel 3-dof Precision Micro-stage , Mechatronics 19 (5) : 598 ~ 608

  • 5.

    Muller, G. , 2013 , Fast Steering Secondary Mirror , GMT Telescope PDR

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