Robust bounded control for uncertain flight dynamics using disturbance observer 被引量：1

Robust bounded control for uncertain flight dynamics using disturbance observer

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摘要 The robust bounded flight control scheme is developed for the uncertain longitudinal flight dynamics of the fighter with control input saturation invoking the backstepping technique. To enhance the disturbance rejection ability of the robust flight control for fighters, the sliding mode disturbance observer is designed to estimate the compounded disturbance including the unknown external disturbance and the effect of the control input saturation. Based on the backstepping technique and the compounded disturbance estimated output, the robust bounded flight control scheme is proposed for the fighter with the unknown external disturbance and the control input saturation. The closed-loop system stability under the developed robust bounded flight control scheme is rigorously proved using the Lyapunov method and the uniformly asymptotical convergences of all closed-loop signals are guaranteed. Finally, simulation results are presented to show the effectiveness of the proposed robust bounded flight control scheme for the uncertain longitudinal flight dynamics of the fighter. The robust bounded flight control scheme is developed for the uncertain longitudinal flight dynamics of the fighter with control input saturation invoking the backstepping technique. To enhance the disturbance rejection ability of the robust flight control for fighters, the sliding mode disturbance observer is designed to estimate the compounded disturbance including the unknown external disturbance and the effect of the control input saturation. Based on the backstepping technique and the compounded disturbance estimated output, the robust bounded flight control scheme is proposed for the fighter with the unknown external disturbance and the control input saturation. The closed-loop system stability under the developed robust bounded flight control scheme is rigorously proved using the Lyapunov method and the uniformly asymptotical convergences of all closed-loop signals are guaranteed. Finally, simulation results are presented to show the effectiveness of the proposed robust bounded flight control scheme for the uncertain longitudinal flight dynamics of the fighter.

作者 Mou Chen Bin Jiang

机构地区 College of Automation Engineering

出处《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2014年第4期640-647,共8页 系统工程与电子技术（英文版）

基金 supported by the National Natural Science Foundation of China(61174102) the Jiangsu Natural Science Foundation of China(SBK20130033) the NUAA Fundamental Research Funds(NS2013028) the Specialized Research Fund for the Doctoral Program of Higher Education(20133218110013)

关键词 flight dynamics bounded control robust control backstepping control disturbance observer. flight dynamics, bounded control, robust control, backstepping control, disturbance observer.

分类号 V249.1 [航空宇航科学与技术—飞行器设计]

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