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Manufacturing

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Displaying 951 - 975 of 2179

CHARACTERIZING SUSTAINABILITY FOR MANUFACTURING PERFORMANCE ASSESSMENT

August 17, 2012
Author(s)
Mahesh Mani, Jatinder Madan, Jae H. Lee, Kevin W. Lyons, Satyandra K. Gupta
Manufacturing industries lack the measurement science and the needed information base to measure and effectively compare performances of manufacturing processes, resources and associated services with respect to sustainability. The current use of ad-hoc

Web-enabled Real-time Quality Feedback for Factory Systems using MTConnect

August 15, 2012
Author(s)
John L. Michaloski, Byeong Eon Lee, Frederick M. Proctor, Sid Venkatesh
Quality is a key element to success for any manufacturer, and the fundamental prerequisite for quality is measurement. In the discrete parts industry, quality is attained through inspection of parts but typically there is a long latency between machining

Information Required for Dimensional Measurement

July 27, 2012
Author(s)
John A. Horst, Curtis Brown, Robert Brown, Larry Maggiano, K Summerhays, Thomas R. Kramer
Much work has been done by standards organizations to model dimensional measurement information in digital formats, but the work done has revealed that standard digital formats from upstream processes are currently insufficient to enable the automatic

Advancing the State of Urban Search and Rescue Robotics through the RoboCupRescue Robot League Competition

July 16, 2012
Author(s)
Raymond K. Sheh, Adam S. Jacoff, Ann M. Virts, Tetsuya Kimura, Johannes Pellenz, Soren Schwertfeger, Jackrit Suthakorn
The RoboCupRescue Robot League is an international competition that has grown to be an effective driver for the dissemination of solutions to the challenges posed by Urban Search and Rescue Robotics and accelerated the development of the performance

Room Temperature Acoustic Transducers for High-Temperature Thermometry

July 9, 2012
Author(s)
Dean C. Ripple, William E. Murdock, Gregory F. Strouse, Keith A. Gillis, Michael R. Moldover
We have successfully conducted highly-accurate, primary acoustic thermometry at 600 K using a sound source and a sound detector at room temperature. We describe the source, the detector, and the ducts that connected them to our cavity resonator. This

Displacement Sensor for Detecting Sub-micrometer Motion

July 6, 2012
Author(s)
Svetlana Avramov-Zamurovic1, Jae M. Yoo, Nicholas Dagalakis, Rae Duk Lee
This paper describes the design of a nano displacement sensor that detects the presence of a moving platform by using fringing electric field. Its electrodes are commercially prefabricated Teflon insulated wires. This solution provides for excellent

A Glowing Future for Lab on a Chip Testing Standards

June 28, 2012
Author(s)
Samuel M. Stavis
Testing standards are more fundamental from a metrological perspective and less controversial from an industrial perspective than product standards, representing a path of less resistance towards the standardization and commercialization of lab on a chip

Next Generation Packaging, Kitting, and Palletizing: Can one robot do it all?

June 28, 2012
Author(s)
Rajmohan (. Madhavan, Stephen B. Balakirsky, Craig I. Schlenoff
A seminar titled "Next Generation Packaging, Kitting, and Palletizing: Can one robot do it all?" was held on February 9th 2012 at the Material Handling Industry of America (MHIA) MODEX show in Atlanta, GA. The seminar primarily focused on whether systems

Safe Control of Manufacturing Vehicles Research Towards Standard Test Methods

June 28, 2012
Author(s)
Roger V. Bostelman, William P. Shackleford, Geraldine S. Cheok, Kamel S. Saidi
The National Institute of Standards and Technology's Intelligent Systems Division has been researching several areas leading to safe control of manufacturing vehicles to improve AGV safety standards. The research areas include: - Automated guided vehicle

TESTING LONG-WAVELENGTH ACOUSTIC FLOWMETER CONCEPTS FOR FLUE GAS FLOWS

June 22, 2012
Author(s)
Lee J. Gorny, Keith A. Gillis, Michael R. Moldover
As a part of NIST’s program to standardize measurements of greenhouse gas emissions, we are developing a long-wavelength acoustic flowmeter (LWAF) for accurate, economical measurements of exhaust flows from coal-burning power plants. Measurements of the

Airspeed Calibration Services: Laser Doppler Anemometer Calibration and Its Uncertainty

June 20, 2012
Author(s)
Iosif I. Shinder, Michael R. Moldover, J. M. Hall, Mike Duncan, Joe Keck
The National Institute of Standards and Technology (NIST) and the Oak Ridge National Laboratory (ORNL) are improving their airspeed calibration services. Both laboratories use spinning disks to generate linear velocities that are traceable to NIST’s length

Improved Nozzle Manifold for Gas Flow Calibrations

June 20, 2012
Author(s)
Aaron N. Johnson, Chunhui Li, John D. Wright, Gina M. Kline, Christopher J. Crowley
We developed a new nozzle manifold that reduced the uncertainty of flow calibrations from 0.09 % to as low as 0.074 % for flows of air up to 0.84 kg/s (43 000 L/min at reference conditions of 101.325 kPa and 293.15 K). The nozzle manifold also reduces the

USARSim/ROS: A Combined Framework for Robotic Control and Simulation

June 20, 2012
Author(s)
Stephen B. Balakirsky, Zeid Kootbally
The Robot Operating System (ROS) has been steadily gaining popularity among robotics researchers as an open source framework for robot control. The Unified System for Automation and Robot Simulation (USARSim) has been used for many years by robotics

A COMPUTER AIDED SYSTEM FOR SUSTAINABILITY ANALYSIS FOR DIE-CASTING PROCESS

June 15, 2012
Author(s)
Jatinder Madan, Mahesh Mani, Princepal Singh, Amrik Singh
Currently available sustainability analysis systems for the die-casting process primarily depend on the material properties and do not account for process information. As a result they are unable to assess or compare the sustainability of parts made using

Technology Readiness Levels for Randomized Bin Picking

June 13, 2012
Author(s)
Jeremy A. Marvel, Roger D. Eastman, Geraldine S. Cheok, Kamel S. Saidi, Tsai Hong Hong, Elena R. Messina
A proposal for the utilization of Technology Readiness Levels to the application of unstructured bin picking is discussed. A special session was held during the 2012 Performance Metrics for Intelligent Systems workshop to discuss the challenges and

Enabling Machining Vision Using STEP-NC

June 8, 2012
Author(s)
Martin Hardwick, Frederick M. Proctor, David Loffredo, Sid Venkatesh
STEP-NC is a new data format for manufacturing control. One of its applications is to enable integrated on machine measurement of machining processes using vision systems and other sensors. In this paper we describe the manufacturing process and

Synthesis of Manufacturing and Facility Data for Sustainability Analysis

June 8, 2012
Author(s)
John L. Michaloski, Guodong Shao, Swee K. Leong, Frank H. Riddick, Jonatan Berglund, Jorge Arinez, Stephan Biller
This paper discusses data synthesis of production and facility knowledge for sustainability analysis by applying the ISA 95 "Activity Models of Manufacturing Operations Management" (MOM) model. Presently, production and facility management are "silo"

Calibration of Laminar Flow Meters for Process Gases

June 1, 2012
Author(s)
John D. Wright, Thiago Cobu, Robert F. Berg, Michael R. Moldover
We calibrated three models of commercially-manufactured, laminar flow meters (LFMs) at four pressures (100 kPa, 200 kPa, 300 kPa, and 400 kPa) with five gases (N2, Ar, He, CO2, and SF6) over a 10:1 flow range using NIST’s primary flow standards as
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