The availability of the airborne digital computer has made possible a Total Aircraft Flight Control System (TAFCOS) that uses virtually the complete nonlinear propulsive and aerodynamic data for the aircraft to construct dynamic trim maps that represent an inversion of the aircraft model. The trim maps, in series with the aircraft, provide essentially a linear feed-forward path. Basically, open-loop trajectory control is employed with only a small perturbation feedback signal required to compensate for inaccuracy in the aircraft model and for external disturbances. Simulation results for application to an automatic carrier-landing system are presented. Flight-test results for a STOL aircraft operating automatically over a major portion of its flight regime are presented. The concept promises a more rapid and straightforward design from aerodynamic principles, particularly for highly nonlinear configurations, and requires substantially less digital computer capacity than conventional automatic flight-control system designs.


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    Titel :

    Total aircraft flight-control system - Balanced open- and closed-loop control with dynamic trim maps


    Beteiligte:
    Smith, G. A. (Autor:in) / Meyer, G. (Autor:in)

    Kongress:

    In: Challenge of the ''80s; Proceedings of the Third Digital Avionics Systems Conference ; 1979 ; Fort Worth, TX


    Erscheinungsdatum :

    01.01.1979


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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