【摘要】 直升机旋翼气动机械稳定性的一个重要方面是空中与地面稳定性问题。本文从旋翼桨叶的结构型式、气动模型和分析方法几个方面对直升机空中与地面稳定性研究进行了回顾与展望。在简单分析方法的基础上 ,也对更精确的分析方法进行探讨更多还原

【Abstract】 An important problem in Aeromechanical stability of a helicopter is ground and air resonance stability. This paper presents the structural modelingof blade, aerodynamic modeling, analysis methods of helicopter ground and air resonance. Past evolution in each subject are reviewed and future research needs are projected. Simple analysis is first presented and then refined analysis approaches are discussed.更多还原