This paper presents a stability analysis and an application of a recently developed Control Allocator for recovery from Pilot Induced Oscillations (CAPIO). When actuators are rate-saturated due to either aggressive pilot commands, high gain ight control systems or some anomaly in the system, the effective delay in the control loop may increase. This effective delay increase manifests itself as a phase shift between the commanded and actual system signals and can instigate Pilot induced Oscillations (PIO). CAPIO reduces the e ective time delay by minimizing the phase shift between the commanded and the actual attitude accelerations. We present a stability analysis of CAPIO for a scalar system. In addition, we present simulation results for aircraft with cross-coupling which demonstrates the potential of CAPIO serving as an effective PIO handler in adverse conditions.


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    Title :

    Stability Properties and Cross Coupling Performance of the Control Allocation Scheme CAPIO


    Contributors:

    Conference:

    AIAA Infotech@Aerospace ; 2010 ; Atlanta, GA, United States


    Publication date :

    2010-04-20


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





    Stability Properties and Cross Coupling Performance of the Control Allocation Scheme CAPIO

    Yildiz, Y. / Kolmanovsky, I. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 2010