This paper derives a differential flatness model for a fixed-wing unmanned aircraft system (UAS) together with a gimballed camera. The flat output is the 3D trajectory of the aircraft and the 3D trajectory of a ground target. An LQR controller is then derived so that the UAS follows the desired trajectory and the optical axis is aligned with the line-of-sight vector between the UAS and the target. A simple simulation study shows that the framework can be used to visually track and follow a ground target, maintaining the optical axis alignment to within 1.2 degrees.


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    Title :

    Flatness-based Control of a Gimballed Fixed-Wing UAS


    Contributors:


    Publication date :

    2021-06-15


    Size :

    530560 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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