Search MHK Data
Showing results 26 - 50 of 97.
Show
results per page.
Order by:
Available Now:
Technologies
Topics
Signature Projects
Collection Method
Data Type
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
17 Resources
0 Stars
Awaiting release
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
Publicly accessible
18 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
4 Resources
0 Stars
Awaiting release
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
0 Stars
Publicly accessible
1 Resources
0 Stars
Publicly accessible
Risk Management Plan and Risk Register for Design Low-Power Wave Energy Converter for Non-Grid Applications
Risk Registers for major subsystems completed according to the methodology described in the Risk Management Plan [DE-EE0008627 D1.2 Risk Management Plan PD v1.1 07-19-2019.pdf], also included here.
Amon, E. Columbia Power Technologies, Inc.
Jul 19, 2019
17 Resources
0 Stars
Publicly accessible
17 Resources
0 Stars
Publicly accessible
TEAMER: Sandia and CalWave Torque Spring Assessment
Power-take-off (PTO) systems for wave energy converters (WEC) require restoring forces for efficient hydrodynamic as well as mechanical to electric power transfer. Implementation of an effective spring mechanism that can provide a restoring torque on e.g. a rotational, winch type ...
Boerner, T. et al CalWave Power Technologies Inc.
Apr 01, 2022
3 Resources
0 Stars
Awaiting release
3 Resources
0 Stars
Awaiting release
Design Specifications for Manufacturer for the HydroAir Power Take Off System
Includes Design Specs for Manufacturer, PTO Weight, PTO Dimensions, Turbine (Rotor and Ductwork) Design, CAD Drawings of the turbine and rotor, List of components and weights, Materials Used, Generator, List of components and weights, Structural Design, CAD drawings of the structu...
Natanzi, S. and Hall, R. Siemens Government Technologies, Inc.
Oct 02, 2020
1 Resources
0 Stars
Awaiting release
1 Resources
0 Stars
Awaiting release
Translated System Requirements into PTO Design Requirements (in addition to Component-level metrics) for the HydroAir Power Take Off System
Includes Maximum Cost, Critical Dimensions and Weights, Damping Curve, Rotor Speed Profile Changes, Mechanical Power for a given pressure and airflow, Turbine rpm range and power, Generator input torque, Torque speed curves/profile, Generated electrical power for given input torqu...
Natanzi, S. and Hall, R. Siemens Government Technologies, Inc.
Oct 02, 2020
1 Resources
0 Stars
Awaiting release
1 Resources
0 Stars
Awaiting release
LandRAY PTO Testing Utilizing the NREL NWTC 5MW Dynamometer
The overarching project objective is to demonstrate the feasibility of using an innovative PowerTake-Off (PTO) Module in Columbia Power's utility-scale wave energy converter (WEC). The PTO Module uniquely combines a large-diameter, direct-drive, rotary permanent magnet generator; ...
Lenee-Bluhm, P. and Rhinefrank, K. Columbia Power Technologies, Inc.
Jun 13, 2016
3 Resources
0 Stars
Publicly accessible
3 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
2 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
Publicly accessible
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
3 Resources
0 Stars
Publicly accessible
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
1 Resources
0 Stars
Publicly accessible
TEAMER: Biofouling Analysis for Wave Energy Piston Design Load Cell Data
Biofouling and corrosion are a major concern for all ocean-deployed components, especially when mechanical motion is involved. Triton has developed the concept of a biofouling mitigation seal as part of the piston sealing assembly for the Triton Wave Energy Converter (TSI-WEC). Th...
Robertson, T. et al Triton Systems, Inc.
Nov 01, 2021
9 Resources
0 Stars
Publicly accessible
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
2 Resources
0 Stars
Publicly accessible
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
Publicly accessible
2 Resources
0 Stars
Publicly accessible
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
3 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
1 Resources
0 Stars
Publicly accessible
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
6 Resources
0 Stars
Publicly accessible
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
Publicly accessible
5 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
1 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
Awaiting release
2 Resources
0 Stars
Awaiting release
CalWave Device Behavior in Different Sea States from Scaled Tank Testing
This submission contains a summary of tank test derived WEC device behavior in different irregular sea states.
CalWave sought to conduct experimental tank testing of scaled prototype units early on in the design process to obtain a first estimation of device performance for sea ...
Boerner, T. and Murray, B. CalWave Power Technologies Inc.
Mar 30, 2018
1 Resources
0 Stars
Publicly accessible
1 Resources
0 Stars
Publicly accessible
UMass 2-Body WEC Techno-Economic Assessment
The University of Massachusetts (UMass) is developing a 2-body wave energy converter (WEC) device that is converting mechanical power into electricity using a mechanical motion rectifier that allows the system to couple to a flywheel. UMass has completed numerical modeling, wave t...
Previsic, M. Re Vision Consulting
Nov 19, 2024
2 Resources
0 Stars
Publicly accessible
2 Resources
0 Stars
Publicly accessible
TEAMER: Cross-flow Turbine Hydrodynamics
The objective of this work is to validate RANS and LES computations of cross-flow turbine hydrodynamics using laboratory scale measurements. Validation involves the comparison of time-and phase averaged performance metrics and flowfields across the widest practical range of turbin...
Athair, A. et al University of Washington (NNMREC)
Mar 25, 2025
7 Resources
0 Stars
Curated
7 Resources
0 Stars
Curated