学科科研 关键词：直 升机；动稳定性；主动控制；地面共振[gap=1037]Key words: helicopters; dynamic stabilities; active control; ground resonance
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起落架动刚度及阻尼特性是研究直升机“地面共振”问题两个重要参数。
Dynamic stiffness and damping characteristics of landing gears are important parameters to be used to investigate the "ground resonance" of helicopters.
针对滑橇式起落架直升机 ，提供了一种“地面共振”动力稳定性分析的方法。
An analytical method of ground resonance dynamic stability countering the helicopters with ski landing gears is provided.
文中给出了该机“地面共振”初步计算的计算方法和计算结果，并得出初步计算结论。
The analysis method, computed results and conclusion for the helicopter ground resonance are presented.
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