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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

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

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 Evaluation of EGS Shear Stimulation-Test 001

This is the results of an initial setup-shakedon test in order to develop the plumbing system for this test design. a cylinder of granite with offset holes was jacketed and subjected to confining pressure and low temperature (85C) and pore water pressure. Flow through the sample w...
Bauer, S. Sandia National Laboratories
Jul 29, 2014
1 Resources
0 Stars
Publicly accessible

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
Publicly accessible

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
0 Stars
Publicly accessible

Practices Maintain Straight Hole in Crooked Hole Conditions, While Also Enabling Significant Gains in Drill Rate

Bottom hole assembly (BHA) designs were assessed in field trials for their ability to achieve critical low inclination requirements, while simultaneously enabling high drill rates. Because angle has historically been controlled by reducing weight on bit (WOB), these are often com...
Knudsen, S. et al Sandia National Laboratories
Apr 30, 2014
2 Resources
0 Stars
Publicly accessible

MASK4 Test Campaign for Sandia WaveBot Device Dataset

This data and report details the findings from a wave tank test focused on production of useful work of a wave energy converter (WEC) device. The experimental system and test were specifically designed to validate models for power transmission throughout the WEC system. Additional...
Forbush, D. et al Sandia National Laboratories
Dec 25, 2023
5 Resources
0 Stars
Publicly accessible

Auto Indexer Auto-Indexer for Percussive Hammers: Vane Motor Dynamometer Testing

Objectives Options associated with geothermal drilling operations are generally limited by factors such as formation temperature and rock strength. The objective of the research is to expand the "tool box" available to the geothermal driller by furthering the development of a hig...
Su, J. Sandia National Laboratories
Jan 01, 2012
1 Resources
0 Stars
Publicly accessible

Modeling and Performance Data for Heaving Buoy Wave Energy Converter with a Compressible Degree of Freedom (CDOF)

Modeling and performance data in Matlab data file (.mat) containing 3 structures (WEC model, simRes_sr and simRes_fix), and a pdf document describing the model, the simulations, and the analysis that has been carried out.
Bacelli, G. Sandia National Laboratories
Sep 28, 2016
2 Resources
0 Stars
Publicly accessible

Microhole Test Data

Drilling results from the microhole project at the Sandia High Operating Temperature test facility. The project is seeking to help reduce the cost of exploration and monitoring of geothermal wells and formations by drilling smaller holes. The tests were part of a control algorith...
Su, J. Sandia National Laboratories
May 23, 2016
5 Resources
0 Stars
Publicly accessible

MBARI WEC 2021 deployment

This dataset includes data from the Monterey Bay Aquarium Research Institute (MBARI) wave energy converter (WEC) and a nearby located Sofar Spotter buoy. The Monterey Bay Aquarium Research Institute has developed and deployed a small two-body point absorber wave energy device suit...
Coe, R. et al Sandia National Laboratories
Oct 12, 2021
4 Resources
0 Stars
Publicly accessible