Abstract
In this paper, the robust longitudinal flight control is developed for the fighter using the backstepping technique. To improve the robust control performance for the unknown external disturbance, the sliding mode disturbance observer is employed to estimate the unknown external disturbance. Utilizing the disturbance estimate output, the robust backstepping flight control scheme is proposed for the fighter with the unknown external disturbance. Finally, simulation results are given to show the effectiveness of the proposed robust flight control scheme for longitudinal flight dynamics.
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