This paper investigates the problem of nonlinear sliding mode control for flexible air-breathing hypersonic vehicles (FAHVs) with uncertainties. By modeling the flexible effects produced by the rigid-flexible coupling terms as a kind of disturbance and including in the new control-design model with multiple disturbances, a robust coupling observer is proposed to estimate these flexible effects. A novel composite hierarchical controller is also provided, which combines a robust coupling-observer-based compensator and a dynamic-inversion-based sliding mode controller. In addition, the uniformly ultimately boundedness of composite closed-loop system is confirmed by using Lyapunov theory. Simulation results on a full nonlinear model of FAHVs demonstrate that the proposed composite controller is more effective than traditional dynamic-inversion-based sliding mode controller.


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    Titel :

    Robust coupling-observer-based sliding mode control for flexible air-breathing hypersonic vehicles


    Beteiligte:
    Wang, Na (Autor:in) / Li, Wen-Shuo (Autor:in) / Guo, Lei (Autor:in) / Han, Hui-Lian (Autor:in)


    Erscheinungsdatum :

    01.08.2014


    Format / Umfang :

    259650 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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