The algorithms for the equation error and output error methods, the two basic procedures for the extraction of aircraft parameters from flight data, are formulated in the frequency domain. The output error method includes the maximum likelihood estimation technique. This is further extended to those cases where the measured data is in the form of frequency response curves and the model of an aircraft includes elastic degrees of freedom and unsteady aerodynamics. Then the generalized maximum likelihood method, which can be applied to the identification of an aircraft subjected to external disturbances, is introduced. Next, all estimation methods mentioned are discussed with emphasis on advantages of the frequency domain analysis. The paper concludes with an example using real flight data.


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    Titel :

    Aircraft parameter estimation in frequency domain


    Beteiligte:
    Klein, V. (Autor:in)

    Kongress:

    Atmospheric Flight Mechanics Conference ; 1978 ; Palo Alto, CA


    Erscheinungsdatum :

    01.01.1978


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch





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