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MASK2B Initial Results from Wave Tank Test of Closed-Loop WEC Control

This dataset covers the MASK2B wave tank experiment focused on a more complete study of one degree of freedom (1DOF) control of the WEC was considered, including maximization of electrical power, multi-objective performance mapping, and implementation of a novel predictionless con...
Coe, R. et al Sandia National Laboratories
May 25, 2018
3 Resources
0 Stars
Publicly accessible

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
3 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
Publicly accessible

Advanced WEC Dynamics and Controls, Test 1

Numerous studies have shown that advanced control of a wave energy converter's (WEC's) power take off (PTO) can provide significant increases (on the order of 200-300%) in WEC energy absorption. Transitioning these control approaches from simplified paper studies to application in...
Coe, R. Sandia National Laboratories
Feb 26, 2016
3 Resources
0 Stars
Publicly accessible

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
Publicly accessible

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
Publicly accessible

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
0 Stars
Publicly accessible

NREL RSF Measured Data 2011

Modern buildings are complex energy systems that must be controlled for energy efficiency. The Research Support Facility (RSF) at the National Renewable Energy Laboratory (NREL) has hundreds of controllers computers that communicate with the building's various control systems to...
Sheppy, M. et al National Renewable Energy Laboratory
Nov 25, 2014
2 Resources
0 Stars
Publicly accessible

NREL RSF Weather Data 2011

Modern buildings are complex energy systems that must be controlled for energy efficiency. The Research Support Facility (RSF) at the National Renewable Energy Laboratory (NREL) has hundreds of controllers computers that communicate with the building's various control systems to...
Sheppy, M. et al National Renewable Energy Laboratory
Nov 25, 2014
2 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

Greenbuilt Construction Energy Efficiency Retrofit House Demonstration Sacramento

One of the homes that was part of Sacramento Municipal Utility District's (SMUD) Energy Efficiency Retrofit Demonstration (EERD) project was a 1980's era home in Fair Oaks, California, referred to as the Greenbuilt house, as Greenbuilt Construction completed the retrofit of the h...
Sparn, B. et al Mountain Energy Partnership
Aug 27, 2018
8 Resources
0 Stars
Publicly accessible

Thermostatic Radiator Valve Evaluation and Demonstration

A large stock of multifamily buildings in the Northeast and Midwest uses hot water or steam for space heating. Typically, residents do not pay for heat directly (i.e., heating fuel serves a central plant and use is not submetered). Losses from these systems are typically high, and...
Dentz, J. and Ansanelli, E. The Levy Partnership, Inc Systems Building Research Alliance
Apr 27, 2016
2 Resources
0 Stars
Publicly accessible

Community-Scale Attic Retrofit and Home Energy Upgrade Data Mining Hot Dry Climate

Retrofitting is an essential element of any comprehensive strategy for improving residential energy efficiency. The residential retrofit market is still developing, and program managers must develop innovative strategies to increase uptake and promote economies of scale. Residenti...
Jackson, J. et al Davis Energy
Apr 27, 2016
46 Resources
0 Stars
Publicly accessible

Northwest National Marine Renewable Energy Center, OR Project Plans

Plans for Northwest National Marine Renewable Energy Center (NNMREC) Project. Mobile Ocean Test Berth (MOTB) plans PMEC-SETS Plans
Hellin, D. Northwest National Marine Renewable Energy Center
Jun 29, 2016
20 Resources
0 Stars
Publicly accessible

Triton-C Point Absorber Preliminary System Design Package

Preliminary System Design Package for the Triton-C WEC, including a report and CAD drawings pertaining to the overall preliminary design, system arrangement, surface float hull, and surface float arrangement.
Mundon, T. Oscilla Power, Inc.
Dec 01, 2017
4 Resources
0 Stars
Publicly accessible

Community Geothermal: Planning and Design of a Heating and Cooling System in Framingham, Massachusetts

These reports, plans, and drawings review the achievements of Home Energy Efficiency Team (HEET) and its partners to plan and design a network of interconnected ground-source heat pump systems, or geothermal network, in an area encompassing multiple environmental justice (EJ) neig...
Varela Gutierrez, I. et al Home Energy Efficiency Team (HEET)
Sep 01, 2024
6 Resources
0 Stars
Publicly accessible

Utah FORGE 2-2446: Report on Phase Field Modelling of Near-Wellbore Hydraulic Fracture Nucleation and Propagation

This is a report that describes the modelling of fracture nucleation and propagation in the near-wellbore region to understand the relationship between in situ stress and fracture patterns. A novel phase field formulation is described here, which represents fractures as a diffuse ...
Cusini, M. and Fei, F. Lawrence Livermore National Laboratory
Dec 31, 2023
1 Resources
0 Stars
Publicly accessible

Geothermal Project Database Supporting Barriers and Viability Analysis for Development by 2020 Timeline

This data provides the underlying project-level analysis and data sources complied in response to the DOE request to determine the amount of geothermal capacity that could be available to meet the President's request to double renewable energy capacity by 2020. The enclosed dat...
Wall, A. and Young, K. National Renewable Energy Laboratory
Oct 21, 2014
2 Resources
0 Stars
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Mapping Fracture Network Creation with Microseismicity During EGS Demonstrations

This a report for the project "Mapping Fracture Network Creation with Microseismicity During EGS Demonstrations". Effective enhanced geothermal systems (EGS) require optimal fracture networks for efficient heat transfer between hot rock and fluid. Microseismic mapping is a key too...
Templeton, D. et al Lawrence Livermore National Laboratory
Apr 18, 2014
1 Resources
0 Stars
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Utah FORGE 2439: Machine Learning for Well 16A(78)-32 Stress Predictions September 2023 Report

This task completion report documents the development and implementation of machine learning (ML) models for the prediction of in-situ vertical (Sv), minimum horizontal (SHmin) and maximum horizontal (SHmax) stresses in well 16A(78)-32. The detailed description of the experimental...
Mustafa, A. et al Battelle Memorial Institute
Sep 28, 2023
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

Advanced TidGen Power System Control and SCADA System

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...
Marnagh, C. and McEntee, J. Ocean Renewable Power Company
Jun 14, 2018
2 Resources
0 Stars
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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
Publicly accessible

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
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
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