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Autor(en): Schlipf, David
Cheng, Po Wen
Titel: Flatness-based feedforward control of wind turbines using Lidar
Erscheinungsdatum: 2014
Dokumentart: Konferenzbeitrag
Erschienen in: Proceedings of the 19th World Congress of the International Federation of Automatic Control, Cape Town, South Africa, 2014
URI: http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-91252
http://elib.uni-stuttgart.de/handle/11682/3956
http://dx.doi.org/10.18419/opus-3939
Zusammenfassung: Current lidar technology is offering a promising opportunity to take a fresh look at wind turbine control. This work evaluates a flatness-based feedforward approach, that allows to calculate the control action based on trajectories of the rotor speed and tower motion using wind measurements. The trajectories are planned online considering actuator constrains to regulate the rotor speed and minimize tower movements. The feedforward signals of the collective pitch and generator torque update can be combined with conventional feedback controllers. This facilitates the application on commercial wind turbines. Simulations using a realistic lidar simulator and a full aero-elastic model show considerable reduction of tower and shaft loads.
Enthalten in den Sammlungen:06 Fakultät Luft- und Raumfahrttechnik und Geodäsie

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