A digital automatic control law to capture a steep glideslope and track the glideslope to a specified altitude is developed for the longitudinal/vertical dynamics of a CTOL aircraft using modern estimation and control techniques. The control law uses a constant gain Kalman filter to process guidance information from the microwave landing system, and acceleration from body mounted accelerometer data. The filter outputs navigation data and wind velocity estimates which are used in controlling the aircraft. Results from a digital simulation of the aircraft dynamics and the control law are presented for various wind conditions.


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    Title :

    Development of an optimal automatic control law and filter algorithm for steep glideslope capture and glideslope tracking


    Contributors:
    Halyo, N. (author)

    Publication date :

    1976-08-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English


    Keywords :