本文利用小扰动法分析了轴向缝切向进气径向气体轴承的稳定性问题。
This paper describes an analysis of whirl instability of externally pressurized gas bearing with axial slots of tangential supply.
同时采用小扰动法推导了俯仰通道和滚动通道的简化模型，为空气动力和姿控发动机推力复合控制系统进行初步设计提供了依据。
What′s more, according to the method of little disturbance, the simplified model of pitching and rolling plane is derived, so preliminarily combined control system can be designed.
从无人机的数学模型出发，在特征点作小扰动线性化处理，采用特征值配置法对线性化对象设计线性控制器。
UAV mathematics model is linearized by little disturbance method in equilibrium operating points, then linear controllers are design by applying eigenvalue configuration method to the linear models.
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