A series of simulation and flight investigations were undertaken to evaluate helicopter flying qualities and the effects of control system augmentation for nap-of-the-Earth (NOE) agility and instrument flying tasks. Handling quality factors common to both tasks were identified. Precise attitude control was determined to be a key requirement for successful accomplishment of both tasks. Factors that degraded attitude controllability were improper levels of control sensitivity and damping, and rotor system cross coupling due to helicopter angular rate and collective pitch input. Application of rate command, attitude command, and control input decouple augmentation schemes enhanced attitude control and significantly improved handling qualities for both tasks. The NOE agility and instrument flying handling quality considerations, pilot rating philosophy, and supplemental flight evaluations are also discussed.


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    Titel :

    A pilot's assessment of helicopter handling-quality factors common to both agility and instrument flying tasks


    Beteiligte:
    Gerdes, R. M. (Autor:in)

    Erscheinungsdatum :

    1980-07-01


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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