A real-time stability margin (RTSM) estimation tool has been developed for in-flight robustness analysis of the X-48B (Boeing Phantom Works, St. Louis, Missouri) blended-wing body. The tool incorporates methods for generating excitation signals and the ability to analyze the open-loop frequency response during flight-testing. The excitation signals are mutually orthogonal and minimize the peak factors to provide multi-input excitation while avoiding excursions in flight condition. For in-flight analysis, an emphasis has been placed on comparison between flight data and simulation data in addition to estimated stability margins.


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    Title :

    Real-Time Stability Margin Estimation for the X-48B Blended-Wing Body


    Contributors:
    C. Regan (author)

    Publication date :

    2007


    Size :

    2 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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