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提出了阵风干扰下飞机运动的区间系统模型 ,基于 Riccati方程方法 ,研究了干扰对区间控制系统的二次性能指标影响的鲁棒控制问题。通过解一个代数 Riccati不等式方程给出了该问题的一个解。将该方法应用于某型飞机的鲁棒飞行控制器的设计 ,说明本文的方法是有效的。
An inter-area system model of aircraft movement under gust disturbance is proposed. Based on the Riccati equation method, the robust control problem of influence of quadratic performance index of the control system on the disturbance is studied. A solution to this problem is given by solving an algebraic Riccati inequality equation. Applying this method to the design of a robust flight controller for a certain type of aircraft shows that the method in this paper is effective.