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Automatic Retraction Phase of Airborne Wind Energy Systems

Author(s):

A. Zgraggen, L. Fagiano, M. Morari
Conference/Journal:

IFAC World Congress on Automatic Control, Cape Town, South Africa, pp. 5826-5831
Abstract:

Airborne wind energy systems are an emerging technology to harvest wind energy at higher altitude. Renewable energy is produced by exploiting the aerodynamic lift exerted by a wing tethered to the ground and controlled to fly crosswind paths. System realizations with either on-board or ground-based generation are possible. The focus of this paper is on ground-based generation systems where a two phase cycle is carried out. In the traction phase, power is produced by reeling-out the tether, which is coiled around drums connected to generators; in the retraction phase, the tether is reeled-in after the maximum length has been reached. A new flight controller for the retraction phase, which is straightforward to implement and tune, is proposed and a theoretical analysis and simulation results are presented.

Year:

2014
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@InProceedings { ZgrFag:2014:IFA_4722,
    author={A. Zgraggen and L. Fagiano and M. Morari},
    title={{Automatic Retraction Phase of Airborne Wind Energy Systems}},
    booktitle={IFAC World Congress on Automatic Control},
    pages={5826--5831},
    year={2014},
    address={Cape Town, South Africa},
    month=aug,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=4722}
}
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