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Control-based optimization for tethered tidal kite

This submission includes three peer-reviewed (under review) papers from the researchers at North Carolina State University presenting control-based techniques to maximize effectiveness of a tethered tidal kite. Below are the abstracts of each file included in the submission. Cobb...

Vermillion, C. et al North Carolina State University

Mar 02, 2020
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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
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CalWave xWave New Technology Qualification and Path to Certification Final Report

Final report including results and conclusions of the New Technology Qualification (NTQ) review of CalWave Power Technologies Inc's xWave technology, performed by American Bureau of Shipping.

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

Oct 31, 2022
1 Resources
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Electrically Engaged Undulation (EEL) System

The Electrically Engaged UnduLation (EEL) system is a buoyancy-driven submersible device for powering oceanographic instruments. Physically, EEL is a slender body whose flexible spine is made up of energy units interconnected by uniaxial hinges. Each unit consists of a pair of pie...

Lu, K. Pyro-E

Dec 01, 2021
1 Resources
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Optimal kite control in spatiotemporally varying flow fields ACC 2021

Two papers submitted (and accepted) to the 2021 American Control Conference (ACC), both focused on different attributes of kite control in variable flow environments. Siddiqui et. al. focuses on tether elevation angle control in a spatiotemporally varying environment, and Reed et....

Vermillion, C. et al North Carolina State University

Sep 14, 2020
2 Resources
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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
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Aquantis 2.5 MW Ocean Current Generation Device Design Details

Items in this submission provide the detailed design of the Aquantis Ocean Current Turbine and accompanying analysis documents, including preliminary designs, verification of design reports, CAD drawings of the hydrostatic drivetrain, a test plan and an operating conditions simula...

Banko, R. et al Dehlsen Associates, LLC

Jun 03, 2015
22 Resources
0 Stars
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Current Energy Harnessing using Synergistic Kinematics of Schools of Fish-Shaped Bodies: Marine Hydrodynamics Laboratory Tank Testing Data

The objectives of the proposed work pertain to building a high power-density and high efficiency device to harness MHK energy by mimicking fish-school kinematics. Vortex Hydro Energy is collaborating with a concept formed and undergone preliminary testing at the University of Mich...

Bernitsas, M. Vortex Hydro Energy

Apr 11, 2017
20 Resources
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Tidal Currents Turbine Parametric Study

This is an exercise in optimizing the flow through a shrouded axial turbine to have the least resistance and to have optimal output and torque and energy. In this study, different variates of the original geometry of the current turbine designed by Hydrokinetic Energy Corp. (HEC) ...

Schurtenberger, W. and Ge, Z. Hydrokinetic Energy Corp.

Jul 30, 2021
3 Resources
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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
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FOSWEC v2: System identification and control testing at Hinsdale Wave Research Laboratory

This report summarizes the design and execution of a wave tank test of the floating oscillating surge wave energy converter (FOSWEC) in the O.H. Hinsdale Wave Research Laboratory Directional Wave Basin at Oregon State University. This device, which uses two "flaps" that pivot abou...

Coe, R. et al Sandia National Laboratories

Feb 01, 2020
2 Resources
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RivGen Acoustic Measurements, Igiugig, AK

Drifting hydrophone measurements obtained around the Ocean Renewable Power Company RivGen turbine near the village of Igiugig, Alaska in August, 2014. Each data set contains hydrophone voltage (as well as gain and sensitivity), position on the river (LAT, LONG, and proximity to tu...

Polagye, B. University of Washington

Jun 06, 2016
1 Resources
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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
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TriFrame Mount Structural Performance Period A

Long-Term TriFrame Monitoring System (LTTFMS) data collected during Period A (13 days 10/22/20 11/4/20). The central component of the Verdant Power Free Flow System is a three-bladed horizontal-axis turbine. The turbine is equipped with a composite rotor with three fixed-pitch bl...

Colby, J. et al Verdant Power Inc.

Nov 12, 2021
1 Resources
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Centipod WEC, Advanced Controls, MPC Controller MATLAB Code

This archive contains the MATLAB code for the model predictive control (MPC) controller developed in this project. The archive containing the WaveDyn models used for analysis of the Centipod with the MPC controller is linked in this submission.

McCall, A. Dehlsen Associates, LLC

Feb 15, 2016
3 Resources
0 Stars
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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
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Raw Data from 2013 TRIAXYS Buoy at Pacific Marine Energy Center North Energy Test Site, OR

From July 29 through October 4, 2013 a TRIAXYS wave buoy was deployed in the Pacific Marine Energy Center North Energy Test Site. This submission includes all the preprocessed data extracted from the binary TRIAXYS recordings, as well as scripts to parse the data into MATLAB.

Pittman, R. Northwest National Marine Renewable Energy Center

Jul 29, 2013
4 Resources
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Tidal Current Cross-flow Turbine Wake ADV and PIV Data

Measurements in the wake of a high-solidity cross-flow turbine in a laboratory flume obtained using Acoustic Doppler Velocimetry and Particle Image Velocimetry for the purposes of characterizing the turbine wake and comparing the methods.

Polagye, B. University of Washington

Dec 06, 2016
6 Resources
0 Stars
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CalWave Open Water Demonstration PTO Belt Assessment & Test Report Public

PTO (Power Take-Off) belt test and analysis report conducted under CalWave's Open Water Demonstration Award EE0008097 Belt Tradeoffs for Winch PTO. The report tests two types of belts: a high modulus polyethylene (HMPE) woven fiber belt and a steel cable polyurethane belt. The goa...

Kojimoto, N. and Boerner, T. CalWave Power Technologies Inc.

May 28, 2021
1 Resources
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Centipod WEC, Advanced Controls, WaveDyn Models

Archive containing the WaveDyn models used for analysis of the Centipod WEC with and without Advanced Controls, i.e. the WaveDyn files contain a baseline model which can be run alone, and a model predictive control (MPC) model which must be run when connected to the MPC controller...

McCall, A. Dehlsen Associates, LLC

Feb 15, 2016
3 Resources
0 Stars
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Next Generation RivGen Power System: Kvichak River, AK Overwinter Ice Study

The University of Alaska Fairbanks (UAF) Alaska Hydrokinetic Energy Research Center was tasked with developing a real-time data telemetry / remote power generation system to monitor frazil ice conditions in the Kvichak River in support of the U.S. Department of Energy funded "Next...

Kasper, J. et al Igiugig Village Council

Oct 04, 2017
5 Resources
0 Stars
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MOIS LabVIEW Software

Software developed in LabVIEW for the Modular Ocean Instrumentation System (MOIS) is provided. Two documents: MOIS User's Guide and MOIS Software Developer's Guide are included in the submission.

Nelson, E. National Renewable Energy Laboratory

Dec 03, 2015
3 Resources
0 Stars
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Underwater Mapping Results for Seabotix vLBV300 Vehicle with Tritech Gemini 720i Imaging Sonar near Newport, OR

This document presents results from tests to demonstrate underwater mapping capabilities of an underwater vehicle in conditions typically found in marine renewable energy arrays. These tests were performed with a tethered Seabotix vLBV300 underwater vehicle. The vehicle is equippe...

Hollinger, G. Oregon State University

May 15, 2017
5 Resources
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TEAMER AquaHarmonics High Fidelity WEC Sim PTO and Control Model Validation

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
5 Resources
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University of Massachusetts Marine Renewable Energy Center Waverider Buoy Data

The compressed (.zip) file contains Datawell MK-III Directional Waverider binary and unpacked data files as well as a description of the data and manuals for the instrumentation. The data files are contained in the two directories within the zip file, "Apr_July_2012" and "Jun_Sept...

Lohrenz, S. University of Massachusetts

Oct 07, 2015
3 Resources
0 Stars
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