A comparison of control strategies for wave energy converters

Coe, Ryan G.; Bacelli, Giorgio; Wilson, David G.; Abdelkhalik, Ossama; Korde, Umesh A.; Robinett III, Rush D.

doi:10.1016/j.ijome.2017.11.001

Title: A comparison of control strategies for wave energy converters

Journal Article · Wed Nov 15 00:00:00 EST 2017 · International Journal of Marine Energy

DOI:https://doi.org/10.1016/j.ijome.2017.11.001· OSTI ID:1429708

Coe, Ryan G. ^[1]; Bacelli, Giorgio ^[1]; Wilson, David G. ^[1];

^[2]; Korde, Umesh A. ^[2]; Robinett III, Rush D. ^[2]

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Michigan Technological Univ., Houghton, MI (United States)

In this study, we employ a numerical model to compare the performance of a number of wave energy converter control strategies. The controllers selected for evaluation span a wide range in their requirements for implementation. Each control strategy is evaluated using a single numerical model with a set of sea states to represent a deployment site off the coast of Newport, OR. A number of metrics, ranging from power absorption to kinematics, are employed to provide a comparison of each control strategy’s performance that accounts for both relative benefits and costs. The results show a wide range of performances from the different controllers and highlight the need for a holistic design approach which considers control design as a parallel component within the larger process WEC design.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Water Power Technologies Office; USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC04-94AL85000; NA0003525

OSTI ID:: 1429708

Alternate ID(s):: OSTI ID: 1549101

Report Number(s):: SAND-2017-13267J; 659349

Journal Information:: International Journal of Marine Energy, Vol. 20, Issue C; ISSN 2214-1669

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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A Strategy of Robust Control for the Dynamics of an Unmanned Surface Vehicle under Marine Waves and Currents Velueta, Manuel J.; Rullan, Jose L.; Ruz-Hernandez, Jose A. Mathematical Problems in Engineering, Vol. 2019 https://doi.org/10.1155/2019/4704567	journal	March 2019

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