In this paper, an autonomous takeoff and landing control strategy is designed and implemented for a prototype coaxial unmanned helicopter with ducted fan configuration. The control strategy is designed such that longitudinal and lateral controls use ground forces, attitude and drifting feedbacks. Vertical control employs takeoff and landing decision and vertical velocity control is based on altitude tracking. Ground forces feedback is used to balance longitudinal forces and moments during liftoff effectively cancelling all ground forces. Attitude and drifting feedbacks are used to balance the longitudinal and lateral movements of the helicopter during takeoff and landing. The flight control strategy is successfully verified during flight tests.


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    Titel :

    Autonomous takeoff and landing control for a prototype unmanned helicopter


    Weitere Titelangaben:

    Autonome Start- und Landeregelung für den Prototyp eines unbemannten Hubschraubers


    Beteiligte:
    Sheng, Shouzhao (Autor:in) / Mian, Ashfaq Ahmad (Autor:in) / Chao, Bin (Autor:in) / Jiang, Zhao (Autor:in)

    Erschienen in:

    Control Engineering Practice ; 18 , 9 ; 1053-1059


    Erscheinungsdatum :

    2010


    Format / Umfang :

    7 Seiten




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch