Design of a wind tunnel scale model of an adaptive wind turbine blade for active aerodynamic load control experiments

Anton W. Hulskamp, Adriaan Beukers, Harald E.N. Bersee, Jan Willem van Wingerden, Thanasis K. Barlas

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Abstract

Within wind energy research there is a drive towards the development of a “smart rotor”; a rotor of which the loading can be measured and controlled through the application of a sensor system, a control system and an aerodynamic device. Most promising solutions from an aerodynamic point of view are trailing edge flaps, either hinged or continuously deformable. An experiment was considered necessary in which the effectiveness of such a system, with the interaction between dynamics, aerodynamics and control was tested. In order to perform this experiment, a blade needed to be constructed that had the scaled dynamics of a full scale blade as well as sufficient actuation power and sensors for measurements as well as feedback control. A blade was designed and tested with sufficient strength for high wind speed as well as an eigenfrequency (12.5Hz) that was close to the initial value (19.2Hz), derived from scaling the dynamics. Finally adapting the airspeed set the right dynamics. System identification was performed and a controller designed with which a significant reduction in vibrations was attained.
Original languageEnglish
Title of host publicationProceedings of the 16th International Conference on Composite Materials
Number of pages7
Publication date2010
Publication statusPublished - 2010
Externally publishedYes
Event16th International Conference on Composite Materials: A Giant Step towards Environmental Awareness: From Green Composites to Aerospace - Kyoto, Japan
Duration: 8 Jul 200713 Jul 2007
Conference number: 16
http://www.jscm.gr.jp/conference/iccm-16/conference_topics/index.html

Conference

Conference16th International Conference on Composite Materials
Number16
CountryJapan
CityKyoto
Period08/07/200713/07/2007
Internet address

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