The present flight test program results indicate that an all-digital inertial sensing system can be used in helicopter flight guidance and control, provided that the rotor rotation-induced motions are filtered from body rate and accelerometer signals before they are used in the feedback control system. Attention is given to the problem posed by the different repetition rates used by each of the manufacturers involved in the procurement of such all-digital subsystems. Autopilot designers must accordingly predict the need for filters and install them where called for in the sensor software. Two alternatives to this method are explored. Recent technological developments indicate that strapped down inertial systems will replace vertical and direction gyros as well as body rate accelerometers in future aircraft systems.


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    Titel :

    Guidance and flight control demonstration in a helicopter flight environment using a laser-gyro inertial navigation system


    Beteiligte:
    Schmidt, S. F. (Autor:in) / Carestia, R. A. (Autor:in) / Hruby, R. J. (Autor:in) / Xenakis, G. (Autor:in) / Corliss, L. D. (Autor:in)

    Kongress:

    National Aerospace Meeting ; 1982 ; Moffett Field, CA


    Erscheinungsdatum :

    1982-01-01


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch





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