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Type: Conference paper
Title: Power-take-off control in a scaled experiment of a point absorber wave energy converter
Author: Ding, B.
Sergiienko, N.
Bleckly, B.
Souza Pinheiro da Silva, L.
Cazzolato, B.
Arjomandi, M.
Citation: Proceeding of the 12th European Wave and Tidal Energy Conference (EWTEC 2017), 2017 / Lewis, T. (ed./s), pp.1-7
Publisher: EWTEC
Issue Date: 2017
ISSN: 2309-1983
Conference Name: European Wave and Tidal Energy Conference (EWTEC) (27 Aug 2017 - 1 Sep 2017 : Cork, Ireland)
Editor: Lewis, T.
Statement of
Boyin Ding, Nataliia Sergiienko, Benjamin Bleckly, Leandro Souza Pinheiro da Silva, Benjamin Cazzolato, Maziar Arjomandi
Abstract: This paper investigated the design of a power-take-off control system for the study of a model scaled point absorber wave energy converter in a wave flume experiment, where the scale of the experiment must be kept low to reduce the blockage effects of the buoy in the wave flume. In keeping the model small, the parasitic loss in the experimental set-up due to friction in the power-take-off was significant in comparison to the power absorption capability of the model scaled wave energy converter, and consequently, the power absorbed by the wave energy converter was significantly underestimated. To address this major limitation, a simple friction compensation algorithm was tested in the power-take-off control. Experimental results were benchmarked against those obtained from potential wave theory solvers for the understanding of the efficacy of the proposed method. It was evident that the proposed power-take-off control provided high fidelity results under both regular and irregular incident waves as long as the dynamic power-take-off control force was able to overcome the friction force in the experimental set-up.
Keywords: Point absorber; model-scale experiment; wave flume; power-take-off control; parasitic loss compensation
Rights: Copyright © European Wave and Tidal Energy Conference 2017
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Mechanical Engineering conference papers

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