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Robust Design of Transition Flight Control System with Input Constraint

机译:具有输入约束的过渡飞行控制系统的鲁棒设计

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This paper proposed a new flight control system for transition flight of fixed-wing unmanned aerial vehicle (UAV). Robust controllers are designed for translational motion and rotational motion of a small fixed-wing UAV. Each nonlinear equation is linearized by using dynamic inversion method in the translational and the rotational control systems. An observer based on disturbance accommodating control methodologies and extended Kalman filter are treated to estimate nonlinear terms and state variables of a UAV dynamic system, respectively. We apply the anti-windup control to the control system so as to implement input saturation that might result in system instability. Numerical and flight test results showed that a developed UAV was stably controlled without the saturation during transition flight.
机译:本文提出了一种用于固定翼无人机飞行过渡的新型飞行控制系统。鲁棒控制器设计用于小型固定翼无人机的平移运动和旋转运动。在平移和旋转控制系统中,通过使用动态反演方法将每个非线性方程线性化。基于干扰适应控制方法和扩展卡尔曼滤波器的观察者分别被用来估计无人机动态系统的非线性项和状态变量。我们将防饱和控制应用于控制系统,以实现可能导致系统不稳定的输入饱和。数值和飞行试验结果表明,研制的无人机在过渡飞行过程中得到了稳定的控制,没有饱和。

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