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State Estimation for advanced control of wave energy converters

A report on state estimation for advanced control of wave energy converters (WECs), with supporting data models and slides from the overview presentation. The methods discussed are intended for use to enable real-time closed loop control of WECs.

Coe, R. and Bacelli, G. Sandia National Laboratories

Apr 25, 2017
6 Resources
0 Stars
Publicly accessible

TEAMER: xWave Real Time IMU Optimization for Advanced Controls

CalWave is developing a wave energy converter (WEC) called xWave that operates fully submerged and is classified as a type of submerged pressure differential WEC. As ocean waves pass over the submerged wave buoy, a pressure differential is created, exciting the absorber in multipl...

Spinneken, J. and Boerner, T. CalWave Power Technologies Inc.

Apr 18, 2023
2 Resources
0 Stars
Curated

Focusing Wave Energy for Wave Energy Converter Applications

Wave tank tests at Stevens Institute of Technology quantified the ability of near-surface platforms to concentrate wave energy over the platform. Due to the instantaneous change in water depth, mass, energy, and power are conserved in this process. The energy and power concentrat...

Raftery, M. Martin and Ottaway

Aug 10, 2010
7 Resources
0 Stars
Publicly accessible

TEAMER: CalWave xWave New Technology Qualification and Path to Certification Final Report

CalWave is developing a wave energy converter (WEC) called xWave, which operates fully submerged and is classified as a submerged pressure differential type. As ocean waves pass over the submerged wave buoy, a pressure differential is created, exciting the absorber in multiple deg...

Petcovic, D. and Zhang, S. CalWave Power Technologies Inc.

Oct 31, 2022
2 Resources
0 Stars
Curated

MHK Levelized Cost of Energy (LCOE) Guidance and Techo Economic Analysis Materials

Useful information and tools for calculating the Levelized Cost of Energy (LCOE) and MHK Cost Breakdown Structure. Includes a structure for calculating the capital expenditures and operating costs of a marine energy technology or device, reference resource data for both wave and ...

Jenne, S. and Baca, E. National Renewable Energy Laboratory

Nov 08, 2019
7 Resources
0 Stars
Publicly accessible

Specified System Requirements for the HydroAir Power Take Off System

Includes Annual Energy Production of the system, Target Availability of the system, the system's PWR (power to weight ratio), Critical Dimensions and Weights (e.g. center of gravity and center of buoyancy, capture length) of the system, the system's Noise Levels, and All Grid Requ...

Natanzi, S. and Hall, R. Siemens Government Technologies, Inc.

Oct 02, 2020
1 Resources
0 Stars
Awaiting release

MOIS Installation on NWEI Azura Half Scale WEC WETS Testing Documentation

This submission includes documentation on the Modular Ocean Instrumentation System (MOIS) installation on the Azura 1/2 scale wave energy converter at the Marine Station Kaneohe Bay (MCBH). Data from the deployment will be uploaded over the course of the test. The instrumentatio...

Nelson, E. National Renewable Energy Laboratory

May 30, 2015
7 Resources
0 Stars
Publicly accessible

Acoustic Doppler Velocimeter (ADV) data from the University of New Hampshire Atlantic Marine Energy Center (UNH-AMEC ) Tidal Energy Test Site during a Perigean Spring Tide

The ADV measurements contained in this submission were taken on the floating turbine deployment platform (TDP) located at the Memorial Bridge in Portsmouth, NH. The measurements were conducted 11/4/2021-11/9/2021 with the fastest currents occurring on 11/7/2021. Along with the sub...

Bichanich, M. and Wosnik, M. University of New Hampshire, Atlantic Marine Energy Center (AMEC)

Nov 09, 2021
4 Resources
0 Stars
Awaiting release

TEAMER: Tidal Currents in San Juan Archipelago, Washington

Re-analyzed acoustic Doppler current profiler (ADCP) data originally collected by NOAA CO-OPS (Center for Operational Oceanographic Products and Services) and equivalent point data from Pacific Northwest National Laboratory's FVCOM (Finite Volume Community Ocean Model) model of th...

Polagye, B. et al University of Washington

Dec 15, 2022
3 Resources
0 Stars
Curated

TEAMER: Drifting Hydrophone System Block Diagram and Pre-Amplifier Calibrations

This data release is part of TEAMER RFTS 2, where the Cooperative Institute for Marine Resources Studies (CIMRS) at Oregon State University is performing hardware and software development and integration of four newly designed drifting hydrophone systems for underwater noise measu...

Turnbull, J. et al Pacific Marine Energy Center (PMEC) / PacWave Oregon State University

Feb 26, 2024
3 Resources
0 Stars
Publicly accessible

TEAMER: Performance mapping of Re Vision's Persistance PTO

Contains datasets from experimental measurements that were used to validate Re Vision's Persistence PTO's efficiency and performance. These measurements were obtained using a dynamometer test bench setup. The data includes open-circuit voltage and loss measurements to validate mac...

Labuschagne, H. et al National Renewable Energy Laboratory

Jul 09, 2024
4 Resources
0 Stars
Curated

Admiralty Inlet, WA Tidal Current Turbulence

Tripod and mooring data using acoustic doppler velocimeter (ADV) and acoustic doppler current profiler (ADCP) of tidal turbulence. When using the data, please cite the J. Oceanic Eng. paper included in this submission, and please contact Jim Thomson prior to submitting publication...

Thomson, J. Northwest National Marine Renewable Energy Center

Feb 01, 2011
2 Resources
0 Stars
Publicly accessible

ORPC RivGen Hydrokinetic Turbine Wake Characterization

Field measurements of mean flow and turbulence parameters at the Kvichak river prior to and after the deployment of ORPC's RivGen hydrokinetic turbine. Data description and turbine wake analysis are presented in the attached manuscript "Wake measurements from a hydrokinetic river ...

Thomson, J. and Guerra, M. University of Washington

Feb 27, 2018
4 Resources
0 Stars
Publicly accessible

Control of an AUV with deployable energy-harvesting kite

This paper examines the control of an autonomous underwater vehicle (AUV) with a deployable energy-harvesting kite for oceanographic observation and surveillance. The proposed design and control strategies specifically address objectives of achieving high-payload, long-endurance A...

Reed, J. et al North Carolina State University

Sep 02, 2019
1 Resources
0 Stars
Publicly accessible

Spooling control design for flight optimization of tethered tidal kites

This submission includes three peer-reviewed (under review) papers from the researchers at North Carolina State University presenting different control-based techniques to maximize the efficiency and robustness of a tethered energy-harvesting kite. Below are the abstracts of each ...

Daniels, J. et al North Carolina State University

Sep 16, 2019
3 Resources
0 Stars
Publicly accessible

Wave Energy Prize 1/20th Testing Harvest Wave Energy Oscillating Wave Surge Converter

Data from the 1/20th scale testing data completed on the Wave Energy Prize for the Harvest Wave Energy team, including the 1/20th scale test plan, raw test data, video, photos, and data analysis results. The top level objective of the 1/20th scale device testing is to obtain the ...

Scharmen, W. Ricardo Detroit Technical Center

Aug 26, 2016
34 Resources
0 Stars
Publicly accessible

Direct-Drive Electrical Generator and PTO System for Flap-type Wave Energy Converters

Project and generator specifications and initial prototype test data for flap-type wave energy converters (WEC)

Englebretson, S. ABB Inc.

Mar 20, 2015
2 Resources
0 Stars
Publicly accessible

TEAMER: Original HANNA Mono-Radial Turbine Post Access Report

Final report on a TEAMER RFTS 2 (request for technical support) study undertaken by Alden Research Laboratory for the Mono-radial turbine invented by John Clark Hanna DBA: Hanna Wave Energy Primary Drives. The study is a predictive numerical and CFD (computational fluid dynamics) ...

Hanna, J. Hanna Wave Energy Primary Drives

Mar 10, 2022
1 Resources
0 Stars
Publicly accessible

SeaRAY WEC Preliminary Design and Test Planning

The SeaRAY is a deployable power system for maritime sensors, monitoring equipment, communications, unmanned underwater vehicles, and other similar payloads. This project is to design, deliver, and test a prototype low-power WEC that lowers the total cost of ownership and provides...

Hammagren, E. et al Columbia Power Technologies, Inc.

May 18, 2020
4 Resources
0 Stars
Awaiting release

TEAMER: AquaHarmonics High Fidelity WEC Sim PTO and Control Model Validation, Sim Model

Collaborative effort between AquaHarmonics, Sandia National Laboratories (SNL), and the National Renewable Energy Laboratory (NREL) to revise and validate Aquaharmonics' full wave to wire model, allowing for reduced uncertainty and increased understanding of design requirements of...

Tom, N. and Leon, J. AquaHarmonics, Inc.

Dec 31, 2021
6 Resources
0 Stars
Curated

TEAMER: Additional Degree of Freedom for WEC Model

'Additional Degree of Freedom for WEC' WEC-Sim numerical model from RFTS 1 (request for technical support) TEAMER project. An increase in wave energy converter (WEC) efficiency requires not only consideration of the nonlinear effects in the WEC dynamics and the power take-off (PTO...

McCall, A. et al Dehlsen Associates, LLC

May 26, 2022
2 Resources
0 Stars
Curated

Tidal Energy Site Characterization East Forelands Alaska

During the summer field season in 2012, Benthic GeoScience Inc. (Benthic) mobilized under contract with Ocean Renewable Power Company (ORPC) in order to conduct precise geospatial measurements of the seafloor accomplishing a preliminary Site Characterization Study for the ORPC Eas...

Worthington, M. National Renewable Energy Laboratory

Apr 01, 2013
2 Resources
0 Stars
Curated

Laminar Scientific TEAMER RFTS9

Post access report and GitHub repository reflecting the work done under the TEAMER RFTS9 award.

Iyer, N. et al Laminar Scientific Inc.

Nov 21, 2024
3 Resources
0 Stars
Awaiting curation

Performance estimation of resonance-enhanced dual-buoy wave energy converter using coupled time-domain simulation

This paper presents the modeling methodology and performance evaluation of the resonance-enhanced dual-buoy WEC (Wave Energy Converter) by HEM (hydrodynamic & electro-magnetic) fully-coupled-dynamics time-domain-simulation program. The numerical results are systematically compared...

Kang, H. et al Texas A&M University

Aug 31, 2020
3 Resources
0 Stars
Publicly accessible

Advanced Control Systems for Wave Energy Converters

This submission contains several papers, a final report, descriptions of a theoretical framework for two types of control systems, and descriptions of eight real-time flap load control policies with the objective of assessing the potential improvement of annual average capture eff...

Scruggs, J. et al Resolute Marine Energy, Inc.

Jan 30, 2017
4 Resources
0 Stars
Publicly accessible

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