A Case Study of Short-term Wave Forecasting Based on FIR Filter: Optimization of the Power Production for the Wavestar Device

Francesco Ferri, Mahdi Teimouri Sichani, Peter Frigaard

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Abstract

Short-term wave forecasting plays a crucial role for the control of a wave energy converter (WEC), in order to increase the energy harvest from the waves, as well as to increase its life time. In the paper it is shown how the surface elevation of the waves and the force acting on the WEC can be predicted using FIR filter. The predictors have been validated in laboratory with unidirectional regular and irregular waves. Here a single point absorber, (1:20) scale of the Wavestar device, is used. The results show that it is possible to predict wave and forces acting on the device using a properly designed FIR filter.
Original languageEnglish
Title of host publicationThe Proceedings of the Twenty-second (2012) International Offshore and Polar Engineering Conference
Number of pages8
PublisherThe International Society of Offshore and Polar Engineers
Publication date2012
Pages628-635
ISBN (Electronic)978-1-880653-94−4
Publication statusPublished - 2012
EventInternational Ocean and Polar Engineering Conference 2012 - Ixia, Rhodes, Greece
Duration: 17 Jun 201223 Jun 2012
Conference number: 22

Conference

ConferenceInternational Ocean and Polar Engineering Conference 2012
Number22
CountryGreece
CityIxia, Rhodes
Period17/06/201223/06/2012
SeriesProceedings of the International Offshore and Polar Engineering Conference
Number22
ISSN1098-6189

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Keywords

  • FIR Filter
  • Numerical Model
  • Acausal Function
  • WEC

Cite this

Ferri, F., Sichani, M. T., & Frigaard, P. (2012). A Case Study of Short-term Wave Forecasting Based on FIR Filter: Optimization of the Power Production for the Wavestar Device. In The Proceedings of the Twenty-second (2012) International Offshore and Polar Engineering Conference (pp. 628-635). The International Society of Offshore and Polar Engineers. Proceedings of the International Offshore and Polar Engineering Conference, No. 22