Airborne Wind Energy Based on Dual Airfoils

Abstract : The airborne wind energy (AWE) paradigm proposes to generate energy by flying a tethered airfoil across the wind flow at a high velocity. Although AWE enables flight in higher altitude and stronger wind layers, the extra drag generated by the tether motion imposes a significant limit to the overall system efficiency. To address this issue, two airfoils with a shared tether can reduce overall system drag. Although this technique may improve the efficiency of AWE systems, such improvement can only be achieved through properly balancing the system trajectories and parameters. This brief tackles that problem using optimal control. A generic procedure for modeling multiple-airfoil systems with equations of minimal complexity is proposed. A parametric study shows that at small and medium scales, dual-airfoil systems are significantly more efficient than single-airfoil systems, but they are less advantageous at very large scales.
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IEEE Transactions on Control Systems Technology, Institute of Electrical and Electronics Engineers, 2013, 21 (4), pp.1215-1222. 〈10.1109/TCST.2013.2257781〉
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Contributeur : Estelle Bouzat <>
Soumis le : mardi 10 décembre 2013 - 15:59:42
Dernière modification le : lundi 21 mars 2016 - 11:30:33

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Mario Zanon, Sebastien Gros, Joel Andersson. Airborne Wind Energy Based on Dual Airfoils. IEEE Transactions on Control Systems Technology, Institute of Electrical and Electronics Engineers, 2013, 21 (4), pp.1215-1222. 〈10.1109/TCST.2013.2257781〉. 〈hal-00916716〉

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