한국항공운항학회지 (Journal of the Korean Society for Aviation and Aeronautics)

  • 제23권1호
  • /
  • Pages.56-61
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  • 2015
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  • 1225-9705(pISSN)
  • /
  • 2466-1791(eISSN)
한국항공운항학회 (The Korean Society for Aviation and Aeronautics)
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착륙장치 2 자유도 동적 모델링 및 최적설계

Landing Gear 2 Degree of Freedom Modeling and Optimization

  • 투고 : 2014.06.26
  • 심사 : 2014.10.21
  • 발행 : 2015.03.31
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초록

Because of kinematic complexities, nonlinear behavior, etc, the performance of oleo-pneumatic landing gear is predicted by qualified commercial softwares. While commercial softwares predict more exactly, it takes a long time to construct or modify a model. At initial design stage, design parameters can be determined quickly and exactly enough with simple 2 degree of freedom model of mass, spring and damping. 2 degree of freedom model can be easily applied to optimization and reliability analysis which takes repetitive computation. In this paper, oleo-pneumatic landing gear is modeled as a nonlinear 2 degree of freedom model. The analysis are compared with landing gear drop test. To determine design parameter, optimization problem is solved with genetic algorithm and 2 degree of freedom model.

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참고문헌

  1. Norman S. Currey, "Aircraft Landing Gear Design: Principles and Practices", AIAA EDUCATION SERIES.
  2. 신정우, 김태욱, 황인희(2008), "항공기 착륙 장치 동하중 해석", 한국항공운항학회, 제16권, 제1호, pp. 1-6
  3. 최섭, 이종훈, 조기대, 정창래(2002), "ADAMS를 이용한 항공기 착륙장치 지상 충격하중 및 동적거동 해석", 항공우주학회지, 제30권, 4호, pp. 114-122