A new approach to model structure determination is examined. Flight data from the Rotor Systems Research Aircraft (RSRA) are transformed into the frequency domain and truncated to provide band limiting. The stepwise regression technique is then used to identify a quasistatic state-space model from the transformed data. The data processing requirements for both time domain and frequency domain identification are discussed and the results of the two techniques are compared.


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    Title :

    The use of frequency methods in rotorcraft system identification


    Contributors:

    Conference:

    Flight Testing Conference ; 1981 ; Las Vegas, NV


    Publication date :

    1981-11-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English