An investigation of pilot-induced oscillation suppression (PIOS) filters was performed using the USAF/Flight Dynamics Laboratory variable stability NT-33 aircraft, modified and operated by Calspan. This program examined the effects of PIOS filtering on the longitudinal flying qualities of fighter aircraft during the visual approach and landing task. Forty evaluations were flown to test the effects of different PIOS filters. Although detailed analyses were not undertaken, the results indicate that PIOS filtering can improve the flying qualities of an otherwise unacceptable aircraft configuration (Level 3 flying qualities). However, the ability of the filters to suppress pilot-induced oscillations appears to be dependent upon the aircraft configuration characteristics. Further, the data show that the filters can adversely affect landing flying qualities if improperly designed. The data provide an excellent foundation from which detail analyses can be performed.


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    Titel :

    An in-flight investigation of pilot-induced oscillation suppression filters during the fighter approach and landing task


    Beteiligte:
    Bailey, R. E. (Autor:in) / Smith, R. E. (Autor:in)

    Erscheinungsdatum :

    1982-03-01


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch