NDLI: Wave prediction and fuzzy logic control of wave energy converters in irregular waves

Content Provider	IEEE Xplore Digital Library
Author	Schoen, M.P. Hals, J. Moan, T.
Copyright Year	2008
Description	Author affiliation: Center for Ships & Ocean Struct., Norwegian Univ. of Sci. & Technol., Trondheim (Schoen, M.P.; Hals, J.; Moan, T.)
Abstract	This paper presents a short comparison of different existing and proposed wave prediction models, which in turn are used to control wave energy converters (WEC) in irregular waves. The objective of the control action is to increase the energy conversion. The prediction models are compared based on the contribution to the prediction of the individual filter weights, in an effort to reduce the filter order. The controller is based on adjusting the short term stiffness and damping of the power take off (PTO) of the WEC. The control action, which is a fuzzy logic (FL) based design, is supported by utilizing nominal damping and stiffness values determined for the given sea state and instantaneous wave using a simple genetic algorithm (GA). The WEC chosen is comprised of a spherical buoy and is modeled using the bond-graph technique. The simulation carried out indicates the proposed algorithm increases the energy conversion of WEC in irregular waves compared to the no control case.
Starting Page	767
Ending Page	772
File Size	303417
Page Count	6
File Format	PDF
ISBN	9781424425044
DOI	10.1109/MED.2008.4602036
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-25
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automation Conferences
Content Type	Text
Resource Type	Article

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