pendulum to reduce or absorb low frequencies of excitation of a blade to rotor of helicopter or similar

• 1. 转子叶片多模态振动激励装置及其激励方法 [P] . 中国专利： CN110068439B . 2020.10.27
• 2. 转子叶片多模态振动激励装置及其激励方法 [P] . 中国专利： CN110068439A . 2019-07-30
• 3. pendulum to reduce or absorb low frequencies of excitation of a blade to rotor of helicopter osimilari. [P] . IT8321928D0 . 1983-07-05

  机译： 摆以减少或吸收叶片对直升机相似性的转子的低频激励。

• 4. PENDULUM FOR DAMPING LOW EXCITATION FREQUENCIES OF HELICOPTER ROTOR BLADE OF THE LIKE [P] . 英国专利： GB2123371B . 1985-08-29

  机译： 像样的直升机转子叶片阻尼低激励频率的摆锤

• 5. PENDULUM FOR DAMPING OR REMOVING THE LOW FREQUENCIES OF EXCITATION OF A HELICOPTER ROTOR BLADE OR THE LIKE [P] . 法国专利： FR2530216A1 . 1984-01-20

  机译： 悬架用于阻尼或消除直升机转子叶片或类似物的低频激励

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• 6. Aerodynamic shape optimization via control theory of helicopter rotor blades using a non-linear frequency domain approach. [D] . Tatossian, Charles A. 2008
• 7. Paint it black: Efficacy of increased wind turbine rotor blade visibility to reduce avian fatalities [O] . Roel May, Torgeir Nygård, Ulla Falkdalen, 2020
• 8. Helicopter vibration suppression using simple pendulum absorbers on the rotor blade [O] . Pierce, G. A., Hanouva, M. N. H. 1982
• 9. Aeroelastic Analysis for Helicopter Rotors with Blade Appended Pendulum Vibration Absorbers. Mathematical Derivations and Program User's Manual [R] . Bielawa, R. L. 1982

• 1. Using of Particle Swarm for Performance Optimization of Helicopter Rotor Blades [J] . Giorgio Guglieri . 应用数学（英文） . 2012,第10期
• 2. 导流叶片可调的向心涡轮转子叶片压力波动叠加激励机制 [C] . 杨策 ,刘尚涛 ,赵奔 . 2012年中国工程热物理学会热机气动热力学学术年会 . 2012
• 3. 航空发动机转子扭振激励下叶片振动分析 [A] . 武立明 . 2018