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Title: The Wave Energy Converter Control Competition: Overview: Preprint

Abstract

Over the past two years, a wave energy converter control systems competition (WECCCOMP) has been in progress, with the objective of comparing different wave energy converter (WEC) control paradigms on a standard benchmark problem. The target system is a point absorber, corresponding to a single float with absolute reference of the WaveStar WEC prototype. The system was modelled in WEC-Sim, with the hydrodynamic parameters validated against tank test data. Competitors were asked to design and implement a WEC control system for this model, with performance evaluated across six sea states. The evaluation criteria included a weighted combination of average converted power, peak/average power, and the degree to which the system physical constraints were exploited or temporarily exceeded. This paper provides an overview of the competition, which includes a comparative evaluation of the entries and their performance on the simulation model. It is intended that this paper will act as an anchor presentation in a special session on WECCCOMP at OMAE 2019, with other papers in the special session. Address all correspondence to this author. contributed by the competitors, describing in detail the control algorithms and the results achieved over the various sea states.

Authors:
 [1];  [2]; ORCiD logo [3];  [4];  [1];  [4]; ORCiD logo [3];  [4]
  1. Maynooth University
  2. Aalborg University
  3. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  4. Sandia National Laboratories
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
OSTI Identifier:
1545979
Report Number(s):
NREL/CP-5000-73127
DOE Contract Number:  
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: Presented at the ASME 2019 38th Annual Conference on Ocean, Offshore, and Arctic Engineering, 9-14 June 2019, Glasgow, Scotland
Country of Publication:
United States
Language:
English
Subject:
16 TIDAL AND WAVE POWER; wave energy; wave energy converter; WEC; competition; WECCCOMP

Citation Formats

Ringwood, John, Ferri, Francesco, Tom, Nathan M, Ruehl, Kelley, Faedo, Nicols, Bacelli, Giorgio, Yu, Yi-Hsiang, and Coe, Ryan. The Wave Energy Converter Control Competition: Overview: Preprint. United States: N. p., 2019. Web.
Ringwood, John, Ferri, Francesco, Tom, Nathan M, Ruehl, Kelley, Faedo, Nicols, Bacelli, Giorgio, Yu, Yi-Hsiang, & Coe, Ryan. The Wave Energy Converter Control Competition: Overview: Preprint. United States.
Ringwood, John, Ferri, Francesco, Tom, Nathan M, Ruehl, Kelley, Faedo, Nicols, Bacelli, Giorgio, Yu, Yi-Hsiang, and Coe, Ryan. Thu . "The Wave Energy Converter Control Competition: Overview: Preprint". United States. https://www.osti.gov/servlets/purl/1545979.
@article{osti_1545979,
title = {The Wave Energy Converter Control Competition: Overview: Preprint},
author = {Ringwood, John and Ferri, Francesco and Tom, Nathan M and Ruehl, Kelley and Faedo, Nicols and Bacelli, Giorgio and Yu, Yi-Hsiang and Coe, Ryan},
abstractNote = {Over the past two years, a wave energy converter control systems competition (WECCCOMP) has been in progress, with the objective of comparing different wave energy converter (WEC) control paradigms on a standard benchmark problem. The target system is a point absorber, corresponding to a single float with absolute reference of the WaveStar WEC prototype. The system was modelled in WEC-Sim, with the hydrodynamic parameters validated against tank test data. Competitors were asked to design and implement a WEC control system for this model, with performance evaluated across six sea states. The evaluation criteria included a weighted combination of average converted power, peak/average power, and the degree to which the system physical constraints were exploited or temporarily exceeded. This paper provides an overview of the competition, which includes a comparative evaluation of the entries and their performance on the simulation model. It is intended that this paper will act as an anchor presentation in a special session on WECCCOMP at OMAE 2019, with other papers in the special session. Address all correspondence to this author. contributed by the competitors, describing in detail the control algorithms and the results achieved over the various sea states.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {7}
}

Conference:
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