国内外起落架摆振研究进展及工程防摆设计的若干思考

Advances in the Research of Aircraft Landing Gear Shimmy and Some Aspects of Design Considerations for Shimmy Prevention

飞机起落架的摆振严重影响着乘员的舒适度以及机体、起落架的使用寿命,因此起落架摆振是飞机结构动力学的重要研究课题之一。从摆振的最初理论基础出发,全面阐述了摆振产生的机理和防摆设计中需要重点考虑的因素;综述了国内外飞机起落架摆振研究的概况和最新进展;从工程设计角度,提出了起落架摆振验证的验证思路和方法。

Aircraft landing gear shimmy seriously affects the comfort of occupants and service life of the body and landing gear,so landing gear wheel shimmy is one of the key issues of aircraft structural dynamics.In this paper,the initial theoretical basis of shimmy is described at first,and then the generating mechanism of shimmy and key factors to consider in prevention of shimmy design are elaborated.The overview of recent developments of shimmy studies is summarized,and the analysis and validation method of landing gear shimmy issue are presented in this paper from the view of engineering applications.