After reviewing the application of system identification to aircraft flutter research, three methods of system identification are presented in this paper.
本文在简要综述了系统识别技术在飞机颤振研究中的应用后,介绍了三种系统识别方法。
Design of flutter model from aircraft metal structure to composite structure can be achieved by equation of stiffness, yet it may cost much time for general design method.
金属飞机结构到复合材料结构的颤振模型设计,要求采用刚度等代法来完成,然而一般的设计方法通常需要消耗大量时间。
Combining dynamic design of wing flutter model for a giant transport aircraft, a numerical example of engineering application is presented.
结合某大型飞机机翼颤振吹风模型的动力设计,本文给出了工程应用的具体数值例子。
To increase flutter speed of airfoil in aircraft engineering, the schemes that makes use of attached weights in leading-edge of aileron are discussed.
为了提高某型飞机机翼颤振速度,详细探讨利用副翼前缘配重提高颤振速度的方案。
ARMAX model method and subspace-based state space method were used to process the flight flutter test data, and identify the flutter modal parameters of aircraft.
论文使用了现代参数辨识技术的ARMAX模型递推法和状态子空间辨识法,对飞行颤振试验数据进行处理,辨识飞机的颤振模态参数。
The paper analyzes the external stores jam flutter characteristics of aircraft wing.
分析了飞机机翼—外挂干扰颤振特性。
The history of experimental modal analysis began in the 1940's with work oriented toward measuring the modal parameters of aircraft so that the problem of flutter could be accurately predicted.
试验模态分析的历史始于1940年,用于测量飞机的模态参数,以准确预测颤振问题。
Aircraft calls for structural intensity rigidity and stability of flutter on the phrase of designing.
飞机在打样设计阶段除了需要满足结构强度和刚度要求外,还必须满足颤振稳定性要求。
The structure of the aircraft can not be reflected in the conventional wind tunnel flutter model.
传统的飞机风洞颤振模型不能反映飞机的结构特性。
Panel flutter is a typical supersonic aeroelastic phenomenon taking place in high speed aircraft.
壁板颤振是发生在高速飞行器上的一种典型的超音速气动弹性现象。
Flutter test data processing was the important component of flight flutter testing of aircraft.
颤振试验数据处理是飞行颤振试验的重要组成部分。
Chinese aircraft cnginccrs arc becoming intcrcsted in some strange localized vibration phenomena that occur during ground vibration test and flutter test: mode localization and frequency loci veering.
研究了某机简化模型线性振动的模态局部化现象,以及与此现象密切相关的频率曲线转向现象。
Because of the drastic aerodynamic heating effect, panel flutter analysis considering thermal effects becomes an emerging problem in the design process of supersonic aircraft.
在超音速飞行器的设计中,由于气动加热效应相当剧烈,考虑热效应的壁板颤振问题成为一个不可忽视的气动弹性问题。
Because of the drastic aerodynamic heating effect, panel flutter analysis considering thermal effects becomes an emerging problem in the design process of supersonic aircraft.
在超音速飞行器的设计中,由于气动加热效应相当剧烈,考虑热效应的壁板颤振问题成为一个不可忽视的气动弹性问题。
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