Digital adaptive controllers have been proposed as a means for retaining uniform handling qualities over the flight envelope of a high-performance aircraft. Towards such an implementation, an explicit adaptive controller, which makes direct use of online parameter identification, has been developed and applied to the linearized lateral equations of motion for a typical fighter aircraft. The system is composed of an online weighted least-squares parameter identifier, a Kalman state filter, and a model following control law designed using optimal linear regulator theory. Simulation experiments with realistic measurement noise indicate that the proposed adaptive system has the potential for onboard implementation.


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    Title :

    Development of a digital adaptive optimal linear regulator flight controller


    Contributors:
    Berry, P. (author) / Kaufman, H. (author)

    Conference:

    International Federation of Automatic Control, Triennial World Congress ; 1975 ; oston, US


    Publication date :

    1975-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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