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    Flight Results of Autonomous Fixed-Wing UAV Transitions to and from Stationary Hover

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    ejohnson_gnc_2006_28.pdf (1.390Mb)
    Date
    2006-08
    Author
    Johnson, Eric N.
    Turbe, Michael A.
    Wu, Allen D.
    Kannan, Suresh K.
    Neidhoefer, James C.
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    Abstract
    Fixed-wing unmanned aerial vehicles (UAVs) with the ability to hover have significant potential for applications in urban or other constrained environments where the combination of fast speed, endurance, and stable hovering flight can provide strategic advantages. This paper discusses the use of dynamic inversion with neural network adaptation to provide an adaptive controller capable of transitioning a fixed-wing UAV to and from hovering flight in a nearly stationary position. This approach allows utilization of the entire low speed flight envelope even beyond stall conditions. The method is applied to the GTEdge, an 8.75 foot wing span fixed-wing aerobatic UAV which has been fully instrumented for autonomous flight. Results from actual flight test experiments of the system where the airplane transitions from high speed steady flight into a stationary hover and then back are presented.
    URI
    http://hdl.handle.net/1853/35876
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    • Aerospace Controls Group Publications [50]
    • Unmanned Aerial Vehicle (UAV) [118]
    • Unmanned Aerial Vehicle (UAV) Publications [104]

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