This thesis examines the relationship between an aircraft's lateral-directional handling qualities and its corresponding eigenstructure. Intuition and simple mathematical models were used to develop desirable eigenvectors. For conventional aircraft, the dutch roll eigenvector was shown to a function of the roll to sideslip (phi/beta) ratio. Flight control laws to produce the desired eigenstructures were derived using eigenstructure assignment with output feedback. The control laws were based on a twelfth order linear model of the lateral-directional dynamics of the YA-7D DIGITAC, and varied the dutch roll phi/beta ratio. The handling qualities of the YA-7D were examined. The flight testing consisted of both open loop tasks, and closed loop tasks in which Cooper-Harper ratings were assigned.


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    Titel :

    Analysis of Lateral-Directional Handling Qualities and Eigenstructure of High Performance Aircraft


    Beteiligte:
    M. J. Costigan (Autor:in)

    Erscheinungsdatum :

    1988


    Format / Umfang :

    218 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch