Abstract
This paper applies the adaptive sliding mode controller (ASMC) with Radial Basis Function (RBF) approximation for hypersonic unmanned flight vehicle (HFV) for attitude regulating and tracking. Combining the RBF capability of approximating nonlinear function online and the remarkable robustness of sliding mode variable structure, the proposed controller can be implemented on HFV with Lyapunov asymptotically stability even the plant is exerted with disturbance. First, the simplified longitudinal hypersonic flight vehicle and the dynamics of roll at low-frequency are given as model. Second, the proposed controller is designed with specific details, and the stability analysis is given as well. Third, two cases of numerical simulation of both roll angle regulating and angle of attack tracking in longitudinal plane prove the efficiency of this controller, and the input of actuator does not exceed the deflection angle limitation in both cases.
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