The Wave Energy Converter Control Competition (WECCCOMP): Wave Energy Control Algorithms Compared in Both Simulation and Tank Testing: Article No. 103653

John Ringwood, Nathan Tom, Francesco Ferri, Yi-Hsiang Yu, Ryan Coe, Kelley Ruehl, Giorgio Bacelli, Shuo Shi, Ron Patton, Paolino Tona, Guillaume Sabiron, Alexis Merigaud, Bradley Ling, Nicolas Faedo

Research output: Contribution to journalArticlepeer-review

3 Scopus Citations

Abstract

The wave energy control competition established a benchmark problem which was offered as an open challenge to the wave energy system control community. The competition had two stages: In the first stage, competitors used a standard wave energy simulation platform (WEC-Sim) to evaluate their controllers while, in the second stage, competitors were invited to test their controllers in a real-time implementation on a prototype system in a wave tank. The performance function used was based on converted energy across a range of standard sea states, but also included aspects related to economic performance, such as peak/average power, peak force, etc. This paper compares simulated and experimental results and, in particular, examines if the results obtained in a linear system simulation are borne out in reality. Overall, within the scope of the device tested, the range of sea states employed, and the performance metric used, the conclusion is that high-performance WEC controllers work well in practice, with good carry-over from simulation to experimentation. However, the availability of a good WEC mathematical model is deemed to be crucial.
Original languageAmerican English
Number of pages15
JournalApplied Ocean Research
Volume138
DOIs
StatePublished - 2023

NREL Publication Number

  • NREL/JA-5000-77954

Keywords

  • control
  • estimation
  • forecasting
  • modelling
  • sensitivity
  • wave energy

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