A control unit for controlling movement of a stabilizer and an elevator on an aircraft, the control unit comprising a processor which is configured to receive a pitch reference command from a flight control input device of the aircraft, determine, based on the pitch reference command, an elevator command configured to command the elevator in the aircraft nose-up or nose-down direction, determine a difference between the elevator command and a desired elevator value corresponding to the pitch reference command, determine a threshold value as a desired maximum elevator deflection at a given pitch reference command, compare the difference with the threshold value and in response thereto generate a command signal configured to retain a current position of the stabilizer when the difference is smaller than or equal to the threshold value, and to command the elevator in the aircraft nose-up or nose-down direction based on the pitch reference command.


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    Title :

    Controlling elevator to stabilizer offload in fly-by-wire aircraft systems


    Contributors:

    Publication date :

    2019-04-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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