Wave Carpet Controls Design Optimization

Abstract

To assess CalWave's submerged Wave Carpet Technology for system performance advancement,
CalWave seeks to test advanced controls methodologies on a simplified wave carpet model, which
potentially can be used in further research to leverage the design to a full wave carpet assessment using
the discrete element method. Thus, the foremost flexible structure of the Wave Carpet design is split into
articulated multiple discrete, solid pieces and moreover, a single piece connected to a 1DOF (Heave) only
PTO is being subject to performance advancing control assessment.

This report details the results of simulation studies carried out on two simplified models of the wave
carpet using discrete element method. First, we consider the case of a single plate absorber and extend
this example to a two-plate absorber configuration. Performance benchmarking results are presented for a
deep-water DOE reference site.

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Additional Info

DOE Project Name: Development of Optimal Control System for Three Different WEC Devices
DOE Project Number: EE0007173
DOE Project Lead: William McShane
Last Updated: 9 days ago
Aug
2020
Data from August, 2020
Submitted Aug 26, 2020

Contact

Re Vision Consulting


916.977.3970

Status

Awaiting release License 
All Resources Available Aug 26, 2025

Authors

Mirko Previsic
Re Vision Consulting
Anantha Karthikeyan
Re Vision Consulting

Keywords

MHK, Marine, Hydrokinetic, energy, power, wave, control, MPC, model predictive control, WEC, wave carpet, controls, design, optimization, CalWave, plate absorber, mesh, WAMIT, linear damping, discrete element method, Humboldt Bay, CA, submersed, PTO, heave, deep-water reference site, radiation damping, excitation force, boundary element, code, GEOMXACT, Optimal linear damping, AEP, annual energy, average power, rated power, boundary integral equation method, BIEM, power take-off, WEP

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