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논문 기본 정보

저자정보
(Korea Aerospace Research Institute) (Chungnam National University) (Korea Aerospace Industries)
저널정보
한국소음진동공학회 한국소음진동공학회논문집 한국소음진동공학회논문집 제35권 제3호(통권 284호)
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    초록·키워드

    A numerical study was performed on the simultaneous reduction of helicopter rotor hub vibratory loads and fuselage vibrations using the higher harmonic control (HHC) technique. A CAMRAD II model for a medium utility helicopter was constructed for aeromechanical analysis. A linear system model incorporating vibratory hub loads and fuselage vibration characteristics was identified offline; subsequently, an optimal control input for vibration reduction was calculated. By adjusting the weights in the objective function, we implemented and compared three cases. When using weights that consider both hub vibratory loads and fuselage vibrations, the simultaneous vibration reduction was achieved. We also confirmed that when the calculated optimal control inputs were applied to the CAMRAD II model, the expected vibration reduction performance was achieved.

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      UCI(KEPA) : I410-151-25-02-093133164