Towards Ocean Grazer's Modular Power Take-Off System Modeling: A Port-Hamiltonian ApproachBarradas-Berglind, J. J., Muñoz Arias, M., Wei, Y., Prins, W. A., Vakis, A. I. & Jayawardhana, B. Jul-2017 20th World Congress of the International Federation of Automatic Control. Dochain, D., Henrion, . D. & Peaucelle, . D. (eds.). IFAC, p. 15663-15669 7 p. (IFAC- PapersOnLine; vol. 50, no. 1)
Research output: Scientific - peer-review › Conference contribution
This paper presents a modular modeling framework for the Ocean Grazer's Power Take-Off (PTO) system, which operates as an array of point-absorber type devices connected to a hydraulic system. The modeling is based on the port-Hamiltonian (PH) framework that enables energy-based analysis and control of the PTO system. Firstly, a modular model of a point-absorber hydraulic system, which represents the main building block of the PTO, is presented. The model consists of wave-mechanical and hydraulic subsystems that are interconnected with a transformer-type interconnection. Secondly, we show passivity of the point-absorber hydraulic element and the accumulation of potential energy, which is due to the novel pumping mechanism of the point-absorber. Finally, we illustrate these properties through simulation results.
|Title of host publication||20th World Congress of the International Federation of Automatic Control|
|Editors||Denis Dochain, Didier Henrion, Dimitri Peaucelle|
|Number of pages||7|
|State||Published - Jul-2017|
|Event|| the 20th World Congress of the International Federation of Automatic Control, taking place in Toulouse, France. - Toulouse, France|
Duration: 9-Jul-2017 → 14-Jul-2017
|Conference||the 20th World Congress of the International Federation of Automatic Control, taking place in Toulouse, France.|
|Period||09/07/2017 → 14/07/2017|
the 20th World Congress of the International Federation of Automatic Control, taking place in Toulouse, France.
09/07/2017 → 14/07/2017Toulouse, France
- ocean grazer, Port Hamiltonian modeling
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