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Search Publications

NIST Authors in Bold

Displaying 2751 - 2775 of 13215

INFLUENCE OF MATERIAL MODELS ON PREDICTING THE FIRE BEHAVIOR OF STEEL COLUMNS

February 19, 2016
Author(s)
Lisa Y. Choe, Chao Zhang, William E. Luecke, John L. Gross, Amit Varma
… the model proposed by National Institute of Standards and Technology (NIST). The comparisons were made in three different phases. The first phase compared the … than the Eurocode 3 model for four of the five data sets. In the second phase, thirty unique FE models were developed …

Characterizing Firebrand Exposure from Wildland-Urban Interface (WUI) Fires: Results from the 2007 Angora Fire

September 22, 2012
Author(s)
Samuel L. Manzello, Ethan I. Foote
… Angora Fire, a severe Wildland-Urban Interface (WUI) fire in California. Of the 401 houses that received direct … firebrand showers and the starting of “spot fires” in unburned vegetation ahead of wildfires have been observed … studies conducted by National Institute of Standards and Technology (NIST) and from historical firebrand field …

Results from a Full-Scale Smoke Alarm Sensitivity Study

April 9, 2010
Author(s)
Thomas G. Cleary
… Laboratory at the National Institute for Standards and Technology for the experiments. The fire source was a chair … designs of the same type of alarm. For smoke alarms in the room of fire origin, it was observed that each of the … Fire Technology …

The Virtual Cement and Concrete Testing Laboratory Consortium Annual Report 2001

December 1, 2001
Author(s)
Dale P. Bentz
… Concrete Testing Laboratory(VCCTL) consortium was formed in January of 2001. Headquartered in the Building and Fire ResearchLaboratory at the National Institute of Standardsand Technology (NIST), the consortium currentlyconsists of NIST … building technology, cement hydration, elastic moduli, materials …

Cutting force estimation from machine learning and physics-inspired data-driven models utilizing accelerometer measurements

November 13, 2023
Author(s)
Gregory W. Vogl, Yongzhi Qu, Reese Eischens, Gregory Corson, Tony Schmitz, Andrew Honeycutt, Jaydeep Karandikar, Scott Smith
… methods were recently developed to estimate cutting forces in real time based on the use of on-machine accelerometer … 17th CIRP Conference on Intelligent Computation in Manufacturing Engineering … Smart manufacturing, Industry 4.0, Data-driven dynamics, Frequency …

Evaluating IAQ and Energy Impacts of Ventilation in a Net-Zero Energy House Using a Coupled Model

December 18, 2017
Author(s)
Lisa C. Ng, Dustin G. Poppendieck, William S. Dols, Steven J. Emmerich
… The National Institute of Standards and Technology constructed the Net-Zero Energy (NZE) Residential … emission measurements of formaldehyde were made in a small chamber system to determine the emission rates … selection and for mechanical ventilation, especially in homes with relatively airtight envelopes. …

Machine Tool Thermal Error Measurement and Prediction via Wireless Microscope

October 1, 2024
Author(s)
Zongze Li, Gregory Vogl, Edward Kinzel, Botond Santa, Robert Landers
… different thermal errors at various worktable locations. In addition, a least-squares thermal error model within the work volume is proposed in which the model parameters are determined from various … Manufacturing Letters …

Robust feature design for early detection of ball screw degradation

October 1, 2024
Author(s)
Xu Han, Marcella Miller, Gregory Vogl, Guanyu Chen, Xiaodong Jia
… linear motion control that has widespread applications in industrial robots, computer numerical control (CNC) … degradation process of the ball screw can be characterized in two stages: the initial reduction of rigidity without … a novel fixed cycle feature test (FCFT) is implemented in combination with multi-level mass experiments and a …

A Human-centered Framework to Update Digital Twins

July 13, 2023
Author(s)
Peter O. Denno, Deogratias Kibira
… used to collect data from the physical counterpart. In reality, however, it can be difficult to confirm that the … comfortable steady-state position. Assessing uncertainty in the predictive model, and the relevance of data collected … unclear termination points. Distinguishing sensed change in the physical counterpart from sensor failure is a …

Simultaneous rheology and cure kinetics dictate thermal post-curing of thermoset composite resins for material extrusion

June 5, 2023
Author(s)
Stian Romberg, Anthony Kotula
… yield stress as a function of temperature and conversion in epoxy-amine resins with fumed silica mass fractions up to … yield stress is reduced by elevated temperatures early in the cure. Notably, the dynamic yield stress increases with … that starts at a low temperature to mitigate the drop in dynamic yield stress, then ramps up to a high temperature …

Technical Language Processing: Unlocking Maintenance Knowledge

December 11, 2020
Author(s)
Michael P. Brundage, Thurston B. Sexton, Melinda Hodkiewicz, Alden A. Dima, Sarah Lukens
… information these documents contain is underutilized in analysis. Meanwhile, researchers historically design NLP pipelines with non-technical language in mind. This means industrial implementations are built on … encourage a holistic, domain-driven approach to using NLP in a technical engineering setting, a paradigm we refer to as …

Stochastic Search Methods for Mobile Manipulators

November 30, 2018
Author(s)
Amoako-Frimpong Samuel Yaw, Matthew Messina, Henry Medeiros, Jeremy Marvel, Roger V. Bostelman
… increasing need for additional flexibility and mobility in industrial applications. However, they tend to lack the … and precision achieved by fixed manipulators, especially in scenarios where both the manipulator and the autonomous … evaluating the positioning error of mobile manipulators. In particular, it investigates the use of Bayesian methods to …

How to Succeed at High Speed Machining

March 1, 2001
Author(s)
Matthew A. Davies, Tony L. Schmitz, Brian S. Dutterer
… This article summarizes the experiences at NIST in High Speed Machining (HSM) over the past four years. It is … Manufacturing Engineering …

Computational Metrology

September 1, 1993
Author(s)
Ted Hopp
… goal is to develop the basis for a national standard in the U.S. for CMS software performance evaluation. We are … The service is based on a black-box model of softwawre, in which the internal structure of the software and the … and how those components relate to measurement uncertainty in inspection applications. …

Standardizing CT Lung Density Measure Across Scanner Manufacturers

March 1, 2017
Author(s)
Huaiyu H. Chen-Mayer, Matthew Fuld, Bernice Hoppel, Phillip Judy, Junfeng Guo, David Lynch, Antonio M. Possolo, Sean B. Fain
… data obtained from phantom study on CT scanners from 4 CT manufacturers with closely matched protocols at various tube … Standardizing CT Lung Density Measure Across Scanner Manufacturers …

Report of the NIST MEL Architecture Task Force

December 29, 2000
Author(s)
Harry A. Scott, John Evans, Steven R. Ray, E C. Teague, James S. Albus, Herbert T. Bandy, Edward J. Barkmeyer Jr., Neil Christopher, M A. Donmez, Hui-Min Huang, Albert W. Jones, Elena R. Messina, Jim G. Nell, Frederick M. Proctor, Evan K. Wallace
… The NIST Manufacturing Engineering Laboratory undertook a series of … were identified.  This document, initially compiled in 1999, captures the efforts and recommendations of that … the Laboratory Director and was intended to be completed in a relatively short time.  It resulted in this report to …

Project Summaries 1997; NIST Building and Fire Research Laboratory

November 1, 1997
Author(s)
Noel J. Raufaste Jr
… The National Institute of Standards and Technology's [NIST], Building and Fire Research Laboratory … applied economics, building research, building technology, fire safety, fire science, materials engineering, …

Common Biometric Exchange File Format (CBEFF)

January 1, 2001
Author(s)
Fernando L. Podio, J S. Dunn, L Reinert, C J. Tilton, L O'Gorman, P Collier, Mark Jerde, B Wirtz
… data elements necessary to support biometric technologies in a common way. These data can be placed in a single file … co-sponsored by the National Institute of Standards and Technology and the Biometric Consortium. A Technical … CBEFF provides forward compatibility accommodating for technology improvements and allows for new formats to be …

EDITOR IN CHIEF (EIC) MESSAGE

January 1, 2010
Author(s)
Hamid Gharavi
… This Editor In Chief's (EIC) message is expected to appear in the January, 2010 issue of the IEEE Transactions on CAS for Video Technology (TCSVT). The editorial team will be under the … IEEE Transactions on CAS for Video Technology … EDITOR IN CHIEF (EIC) MESSAGE …

Guest Editorial: Advances in Quantitative Image Analysis

January 1, 2001
Author(s)
Kevin J. Coakley, M Levenson
… issue of the International Journal of Imaging Systems and TEchnology. They briefly describe the papers in a commentary that will appear in the special issue. … International Journal of Imaging Systems and Technology … Guest Editorial: Advances in Quantitative Image Analysis …
Displaying 2751 - 2775 of 13215
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