Aerodynamicists with a vision for birdlike aircraft systems must move beyond steady flow models toward new ways of characterizing motion of agile flight systems. One such system is a fixed-wing aircraft that performs a deep stall maneuver commonly referred to as a perch. Described herein is a mathematical model for perch maneuvers of a small aircraft with fixed, positively cambered wings. The modeling approach does not rely on resource-heavy forms of system identification but rather employs a minimalist approach, whereby insights gleaned from previous high-angle-of-attack research are applied to individual components of the aircraft. Using the model that results from this approach, three aggressive, longitudinal perch maneuvers are computer-simulated, and results of the simulations are compared to laboratory flight measurements obtained using high-speed video tracking. Notwithstanding its simplicity, the model predicts position, velocity, and pitch orientation of the aircraft with significant accuracy.


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    Title :

    Model for Longitudinal Perch Maneuvers of a Fixed-Wing Unmanned Aerial Vehicle


    Contributors:

    Published in:

    Journal of Aircraft ; 52 , 6 ; 2021-2031


    Publication date :

    2015-11-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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