skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Optical Blade Position Tracking System Test

Abstract

The Optical Blade Position Tracking System Test measures the blade deflection along the span of the blade using simple off-the-shelf infrared security cameras along with blade-mounted retro-reflective tape and video image processing hardware and software to obtain these measurements.

Authors:
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
862303
Report Number(s):
NREL/TP-500-39253
TRN: US200602%%97
DOE Contract Number:
AC36-99-GO10337
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; CAMERAS; IMAGE PROCESSING; SECURITY; WIND TURBINES; TURBINE BLADES; WIND TURBINE CONTROL SYSTEMS; LOAD MEASUREMENT; BLADE DEFLECTION MEASUREMENTS; INFRARED CAMERA; OPTICAL BLADE POSITION; Wind Energy

Citation Formats

Fingersh, L. J. Optical Blade Position Tracking System Test. United States: N. p., 2006. Web. doi:10.2172/862303.
Fingersh, L. J. Optical Blade Position Tracking System Test. United States. doi:10.2172/862303.
Fingersh, L. J. Sun . "Optical Blade Position Tracking System Test". United States. doi:10.2172/862303. https://www.osti.gov/servlets/purl/862303.
@article{osti_862303,
title = {Optical Blade Position Tracking System Test},
author = {Fingersh, L. J.},
abstractNote = {The Optical Blade Position Tracking System Test measures the blade deflection along the span of the blade using simple off-the-shelf infrared security cameras along with blade-mounted retro-reflective tape and video image processing hardware and software to obtain these measurements.},
doi = {10.2172/862303},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 2006},
month = {Sun Jan 01 00:00:00 EST 2006}
}

Technical Report:

Save / Share:
  • As part of the U.S. Department of Energy's Wind Partnerships for Advanced Component Technologies (WindPACT) program, Global Energy Concepts, LLC is performing a Blade System Design Study (BSDS) concerning innovations in materials, processes and structural configurations for application to wind turbine blades in the multi-megawatt range. The BSDS Volume I project report addresses issues and constraints identified to scaling conventional blade designs to the megawatt size range, and evaluated candidate materials, manufacturing and design innovations for overcoming and improving large blade economics. The current report (Volume II), presents additional discussion of materials and manufacturing issues for large blades, including amore » summary of current trends in commercial blade manufacturing. Specifications are then developed to guide the preliminary design of MW-scale blades. Using preliminary design calculations for a 3.0 MW blade, parametric analyses are performed to quantify the potential benefits in stiffness and decreased gravity loading by replacement of a baseline fiberglass spar with carbon-fiberglass hybrid material. Complete preliminary designs are then presented for 3.0 MW and 5.0 MW blades that incorporate fiberglass-to-carbon transitions at mid-span. Based on analysis of these designs, technical issues are identified and discussed. Finally, recommendations are made for composites testing under Part I1 of the BSDS, and the initial planned test matrix for that program is presented.« less
  • The Engineering and Projects Departments of ICF Kaiser have requested the development of a data base system to track training certification records of employees assigned to their respective divisions. The requested system is to provide division administrative staff with a flexible tool to track the status of employee completion of assigned project training and reading assignments based on established division/project discipline prerequisites. This user document provides instructions for EMPORTS program execution (log in and log off), entry and revision of data, generation of user reports, and modification of user access.
  • Under the Department of Energy`s Robotics Technology Development Program (RTDP) Tank Waste Retrieval (TWR) program, a major effort is under way to develop technology for remediating the waste in underground storage tanks that contain radioactive and hazardous waste. A large part of the program`s effort has gone towards development of remotely operable robotics equipment, including the Houdini Vehicle and the Position and Orientation Tracking System (POTS). Since planned operation of this equipment is to be completely remote, a significant effort is needed to ensure that operators have sufficient system information to operate the equipment efficiently and safely. ORNL developed POTSmore » and RedZone Robotics, Inc. developed Houdini which can be operated together to provide both position and orientation descriptions of the Houdini vehicle, relative to a world reference frame, while operating inside an underground storage tank. The Houdini vehicle has been outfitted with an optical detection system that houses infrared detectors. The infrared detectors are part of the POTS tracking system. The sensors provide a set of timing pulses to the POTS control computer whenever a laser beam from one of the four POTS laser scanners strikes a detector. Using the pointing angle information from each POTS laser scanners, the POTS control computer is able to compute the pose of the Houdini vehicle at a rate of approximately 25 Hz. This information, along with the orientation of the Houdini`s Schilling Titan II robot arm, is used to present the pose information to the operator in a 3-D graphical user interface using software that has been developed by this Cooperative Research and Development Agreement (CRADA). The graphical display presents the data to the operator in a format that is readily understood. The equipment operators are able to use the information in real-time to enhance the operator`s ability to safely and efficiently control the remotely-operated vehicle.« less
  • The objective of this Post-Test Extensometer evaluation is to ascertain the anchorage ability of the downhole Multiple Position Borehole Extensometer (MPBX) anchors. Tasks to be performed include MPBX Anchor Creep Tests and MPBX Anchor Pull Tests. Information gained from these tests will assist in the evaluation of instrument performance over the period of the Full-Scale Heater Test and provide information to assist in future instrument development. 3 refs., 6 figs.
  • This report describes the HP370 component of the Enhanced Graphics System (EGS) used at Tonopah Test Range (TTR). Selected Radar data is fed into the computer systems and the resulting tracking symbols are displayed on high-resolution video monitors in real time. These tracking symbols overlay background maps and are used for monitoring/controlling various flight vehicles. This report discusses both the operational aspects and the internal configuration of the HP370 Workstation portion of the EGS system.