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MS Final Oral Examination – Zhe Zhang


Friday, December 9, 2011 1:00 PM - 3:00 PM

Development of Adaptive Damping Power Take-Off Control for a Three-Body Wave Energy Converter with Numerical Modeling and Validation
The performance of the power take-off (PTO) system for a wave energy converter (WEC) depends largely on its control algorithm. This paper presents an adaptive damping control algorithm which improves power capture across a range of sea states, alone with the validation of its numerical model. 1:7 scale sea trail data and 1:33 scale tank test data are utilized for this validation exercise. The comparison between this control algorithm and other active control approaches such as linear damping is presented. Short term wave elevation forecasting methods and wave period determination methods are also discussed as requirements for this method. This research is conducted for a novel point absorber WEC, developed by Columbia Power Technologies (COLUMBIA POWER).

Major Advisor: Ted Brekken
Committee: Annette von Jouanne
Committee: Ean Amon
GCR: Roberto Albertani


Kelley Engineering Center (campus map)
1007
Ferne Simendinger
1 541 737 2889
ferne at eecs.oregonstate.edu
Sch Elect Engr/Comp Sci
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