The basic characteristics of Phase Compensated Rate Limiters, PCRL’s, are explained and their application to the alleviation of Pilot-Induced Oscillations, PIO, caused by control surface actuator rate limiting is demonstrated.It is shown that PCRL’s can recover a large percentage of the control system phase loss caused by surface rate limiting while maintaining minimal temporary bias in the control surface response following rapid command reversals.Their superior performance in meeting PIO criteria is shown by comparing the simulation results from an extensive study that was aimed at finding solutions for alleviating roll-axis PIO on an airplane where aileron and spoiler surface rate limiting appeared to be a predominant causal factor.A comprehensive investigation of the effect of rate limiting in pilot-induced –oscillations is reported in Ref. 2


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    Title :

    Phase Compensated Rate Limiters for Alleviation of Pilot-Induced Oscillations Caused by Control Surface Rate Limiting


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Aerospace Technology Conference and Exposition ; 2005



    Publication date :

    2005-10-03




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English