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WEC Controls Optimization Final Report

The over-arching project objective is to fully develop and validate optimal controls frameworks that can subsequently be applied widely to different WEC devices and concepts. Optimal controls of WEC devices represent a fundamental building block for WEC designers that must be cons...

Previsic, M. and Karthikeyan, A. Re Vision Consulting

Aug 26, 2020
1 Resources
0 Stars
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Coordinated Control of Tidal Cross-flow Turbines

Initial laboratory experiments with coordinated phase control of cross-flow turbines in a dense array.

Polagye, B. University of Washington

Dec 06, 2016
5 Resources
0 Stars
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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
0 Stars
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Laboratory Experiments for Highly Nonlinear WEC-Wave Conditions

This document describes the experiments carried out in December 2019 and February-March 2020 in the Directional Wave Basin at the O.H. Hinsdale Wave Research Laboratory, Oregon State University. Regular and irregular waves were generated in the absence and presence of a WEC, inclu...

Robertson, B. et al Oregon State University

Apr 30, 2020
1 Resources
0 Stars
Awaiting release

MASK3 for Advanced WEC Dynamics and Controls

This report outlines the "MASK3" wave tank test within the Advanced WEC Dynamics and Controls (AWDC) project. This test represents the final test in the AWDC project. The focus of the MASK3 test was to consider coordinated 3-degree-of-freedom (3DOF) control of a WEC in a realistic...

Coe, R. et al Sandia National Laboratories

May 01, 2019
4 Resources
0 Stars
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Wave Tank Testing Report for Controls Validation of a Heaving Point Absorber

The core objectives of this project is to improve the power capture of three different wave energy conversion (WEC) devices by more than 50% using an advanced control system and validate the attained improvements using wave tank and full scale testing. In parallel, we will bring a...

Previsic, M. et al Re Vision Consulting

Aug 26, 2020
3 Resources
0 Stars
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Wave Carpet Controls Design Optimization

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 assessme...

Previsic, M. and Karthikeyan, A. Re Vision Consulting

Aug 26, 2020
1 Resources
0 Stars
Awaiting release

Geometric, structural, and control co-design for undersea kites

Focusing on a marine hydrokinetic energy application, this paper presents a combined geometric, structural, and control co-design framework for optimizing the performance of energy-harvesting kites subject to structural constraints. While energy-harvesting kites can offer more tha...

Vermillion, C. et al North Carolina State University

Sep 14, 2020
1 Resources
0 Stars
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CalWave First Iterative PTO Description

This documents summarizes a preliminary first iterative design of a PTO device developed by CalWave. The document includes controls, hydraulic, and electric architectures from the first iteration of the CalWave PTO design that match requirements set out by the "CalWave Holistic PT...

Kojimoto, N. et al CalWave Power Technologies Inc.

Dec 06, 2021
2 Resources
0 Stars
Awaiting release

RivGen Power System Overview, Igiugig, AK

System description of ORPC RivGen(R) Power System utilized at Igiugig, AK for testing of advanced controls

McEntee, J. Ocean Renewable Power Company

Aug 05, 2014
1 Resources
0 Stars
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CalWave Holistic PTO Design Product Requirement Document

CalWave Power Technologies is currently in the process of developing the conceptual architecture for a fully upscaled Wave Energy Converter. Current and past efforts have been for smaller scaled systems, with commensurately lower forces and length scales. This document contains a ...

Kojimoto, N. et al CalWave Power Technologies Inc.

Dec 06, 2021
1 Resources
0 Stars
Awaiting release

RivGen Deployment Control System Specifications and Models, Igiugig, AK

Control System simulation models, case studies, and processing codes for analyzing field data. Raw data files included from VFD and SCADA. MatLab and Simulink are required to open some data files and all model files.

Forbush, D. et al Ocean Renewable Power Company

Mar 21, 2016
2 Resources
0 Stars
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CalWave Tank Testing Lir Deep Ocean Basin

Experimental tank testing report for CalWave's 1:20 & 1:30 scale prototype testing at the Lir National Ocean Test Facility in Ireland. Testing was completed in January 2018. Test report includes description of the scaled prototype, primary testing objectives, instrumentation and b...

Boerner, T. CalWave Power Technologies Inc.

Jan 15, 2018
1 Resources
0 Stars
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Holistic Control Embedded PTO Development Target Performance Metrics Definitions

Collection of Power Take-Off (PTO), Power Conversion Chain (PCC), and relevant device metrics to be used for performance assessment of the Control co-designed PTO including brief summary of literature, baseline, and target metrics values.

Boerner, T. et al CalWave Power Technologies Inc.

Jul 30, 2019
1 Resources
0 Stars
Awaiting release

TidGen: Single Turbine Test Procedure and Data Acquisition Plan

The included report details the procedure for conducting a performance test of a single turbine for the Advanced TidGen system. The TidGen80 Single Turbine System (TD80-STS or STS) will be used to test the power production performance of a single turbine in a tidal environment. In...

Hayes, N. Ocean Renewable Power Company

Jun 03, 2021
1 Resources
0 Stars
Awaiting release

ALFA Non-linear Ocean Waves and PTO Control Strategy

Data from Advanced Laboratory and Field Arrays (ALFA) Non-linear Ocean Waves and Power Take-Off (PTO). Control Strategy project conducted at the O.H. Hinsdale Wave Research Laboratory (HWRL) at Oregon State University in 2019/2020. Contains two zip files (ALFANL.zip, ALFANL2.zip)...

Bosma, B. et al Pacific Marine Energy Center (PMEC)

Oct 28, 2019
9 Resources
0 Stars
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Wave Tank Testing of 1-DoF Heaving Buoy for Controls Validation Purposes

This submission includes the wave tank testing data used to validate the controls optimization efforts of a heaving 1-DoF buoy.

Previsic, M. et al Re Vision Consulting

Jul 13, 2017
4 Resources
0 Stars
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Observation-Based Resource Assessment of Gulf Stream MHK

Multi-year measurements of current velocity, salinity, and temperature from fixed and vessel-mounted sensors quantify Gulf Stream (GS) MHK resource variability and inform development off Cape Hatteras, NC. Vessel transects across the GS demonstrate a jet-like velocity structure wi...

Muglia, M. et al North Carolina State University

Jan 01, 2020
1 Resources
0 Stars
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HydroAir Power Take Off Combined Design Report

The submission is the combined design report for the HydroAir Power Take Off (PTO). CAD drawings, circuit diagrams, design report, test plan, technical specifications and data sheets are included for the Main and auxiliary control cabinets and three-phase-synchronous-motor with a ...

Pearson, G. et al Dresser-Rand Company

Jun 26, 2015
15 Resources
0 Stars
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CalWave WEC Holistic PTO Design

This project aims to advance the Technology Readiness Level (TRL) of CalWave’s commercial scale Power Take-Off (PTO) subsystem through further increasing the level of coupling in physical PTO and concurrent controls design. This is achieved by incorporating a systematic holistic...

Boerner, T. et al CalWave Power Technologies Inc.

Sep 02, 2022
5 Resources
0 Stars
Awaiting release

Advanced TidGen Power System ORPC Public Technical Report, Device Design

Technical report for public dissemination on the design progress for the Advanced TidGen(R) Power System.

Marnagh, C. and McEntee, J. Ocean Renewable Power Company

Jun 27, 2018
1 Resources
0 Stars
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StingRAY Failure Mode, Effects and Criticality Analysis: WEC Risk Registers

Analysis method to systematically identify all potential failure modes and their effects on the Stingray WEC system. This analysis is incorporated early in the development cycle such that the mitigation of the identified failure modes can be achieved cost effectively and efficient...

Rhinefrank, K. Columbia Power Technologies, Inc.

Jul 25, 2016
18 Resources
0 Stars
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2023 Risk Management Plan and Register for Low-Power WEC for Non-Grid Applications

This is an updated risk management plan and risk register for the design, build and test of a novel, remote, low-power wave energy converter (WEC) for non-grid applications. This Columbia Power Technologies project seeks to develop a prototype low-power WEC that lowers the total c...

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

Jun 14, 2023
17 Resources
0 Stars
Awaiting release

Advanced TidGen Power System Material Characterization Program

The TidGen Power System generates emission-free electricity from tidal currents and connects directly into existing grids using smart grid technology. The power system consists of three major subsystems: shore-side power electronics, mooring system, and turbine generator unit (TGU...