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Displaying 3751 - 3775 of 4199

Type-B uncertainty analysis of gravity-based determinations of triaxial-accelerometer properties by simulation of measurement errors

January 4, 2022

Author(s)

Jon Geist, Michael Gaitan

We simulate the effect of gimbal-alignment errors and rotational step-size errors on measurements of the sensitivity matrix and intrinsic properties of a triaxial accelerometer. We restrict the study to measurements carried out on a two-axis accelerometer

Advancing the Accuracy of Computational Models for Double-sided Incremental Forming

July 11, 2021

Author(s)

Newell Moser, Dohyun Leem, Liao Shuheng, Kornel Ehmann, Jian Cao

… Incremental Forming (DSIF) is a rapid-prototyping manufacturing process for metal forming that, for low-volume …

Qualifying Evaluations from Human Operators: Integrating Sensor Data with Natural Language Logs

June 29, 2021

Author(s)

Michael Brundage, Michael Sharp, radu pavel

… Even in the increasingly connected world of smart manufacturing and the Industrial Internet Of Things (IIOT), …

Enriching Standards-Based Digital Thread by Fusing As-Designed and As-Inspected Data Using Ontologies

August 13, 2020

Author(s)

Soonjo Kwon, William Z. Bernstein, Laetitia V. Monnier, Raphael Barbau

… orchestrating data across the product lifecycle in smart manufacturing. Linking heterogeneous lifecycle data is …

A Graph Database Approach to Wireless IIoT Work-cell Performance Evaluation

February 28, 2020

Author(s)

Richard Candell, Mohamed T. Hany, Yongkang Liu, Karl R. Montgomery, Sebti Foufou

… to storing and analyzing network performance data from a manufacturing factory work-cell is introduced. A robotic …

Selective Ethane/Ethylene Separation in a Robust Microporous Hydrogen-Bonded Organic Framework

January 8, 2020

Author(s)

Xu Zhang, Libo Li, Jia-Xin Wang, Hui-Min Wen, Rajamani Krishna, Hui Wu, Wei Zhou, Zhong-Ning Chen, Bin Li, Guodong Qian, Banglin Chen

… in the production of polymergrade C 2 H 4 for industrial manufacturing. It is very challenging and still remains …

NIST Big Data Interoperability Framework: Volume 9, Adoption and Modernization

October 21, 2019

Author(s)

Wo L. Chang, Russell Reinsch, Claire C. Austin

… potential in Big Data initiatives. The healthcare and manufacturing industries, for example, have so far been less …

IMPLEMENTATION OF AN ONTOLOGY-BASED APPROACH TO ENABLE AGILITY IN KIT BUILDING APPLICATIONS

December 14, 2018

Author(s)

Zeid Kootbally, Thomas Kramer, Craig I. Schlenoff, Satyandra K. Gupta

The effort described in this paper attempts to integrate agility aspects in the "Agility Performance of Robotic Systems" (APRS) project, developed at the National Institute of Standards and Technology (NIST). The technical idea for the APRS project is to

ENABLING CONTROL SYSTEM AND CLOUD-BASED SIMULATION SERVICE INTEROPERABILITY

December 12, 2018

Author(s)

Albert W. Jones, Guodong Shao, Frank H. Riddick

… and Communication Technologies (ICT) will change manufacturing and simulation forever. Ideas such as Industry …

Antenna Radiation Pattern Measurements in Reverberation Chamber

November 3, 2018

Author(s)

Audrey K. Puls

Antenna radiation pattern measurements are typically performed in anechoic chambers which are expensive to buy and inconvenient to rent from external facilities. This paper investigates the use of a reverberation chamber for antenna radiation pattern

Improving Automated Insertion Applications by Restoring Rigid-Body Condition in Point-Based Registration

March 19, 2018

Author(s)

Geraldine S. Cheok, Marek Franaszek, Karl Van Wyk, Jeremy A. Marvel

… relative to the coordinate frame of the robot. In manufacturing applications that involve industrial robots, a …

A Convergence Algorithm for Correlation of Breech Face Images Based on the Congruent Matching Cells (CMC) Method

November 6, 2017

Author(s)

Zhe Chen, Jun-Feng Song, Wei Chu, Johannes A. Soons, Xuezeng Zhao

The Congruent Matching Cells (CMC) method was invented at the National Institute of Standards and Technology (NIST) for accurate firearm evidence identification and error rate estimation. The CMC method is based on the principle of discretization. The

Challenges in measuring spherical geometry using terrestrial laser scanners

November 1, 2017

Author(s)

Balasubramanian Muralikrishnan, Prem K. Rachakonda, Katharine M. Shilling, Vincent D. Lee, Daniel S. Sawyer, Geraldine S. Cheok, Luc Cournoyer

… increasingly used in a variety of applications, including manufacturing and civil infrastructure systems. However, the …

Detailed Energy Model of the NIST Net-Zero Energy Residential Test Facility: Development, Modification, and Validation

October 12, 2017

Author(s)

Elizabeth C. Balke, G. F. Nellis, S. A. Klein, Harrison Skye, Tania Ullah

The NIST Net-Zero Energy Residential Test Facility (NZERTF) is a highly instrumented, highly configurable, single-family, net-zero energy house occupied by a virtual family of four. A detailed transient model of the NZERTF and the accompanying mechanical

Baseline Assessment of 25-Hydroxyvitamin D Assay Performance: A Vitamin D Standardization Program (VDSP) Interlaboratory Comparison Study

August 18, 2017

Author(s)

Christopher T. Sempos, Stephen Wise, Karen W. Phinney, Susan Tai, Johanna Camara, Gary L. Myers, Ramon Durazo-Arvizu, Lu Tian, John H. Eckfeldt, Andrew N. Hoofnagle, W. Greg Miller, Lorin M. Bachmann, Ian S. Young, J Pettit, G. Caldwell, A Liu, S P. Brooks, K. Sarafin, M. Thamm, C. Scheidt-Nave, G. B. Mensink, M. Busch, M. Rabenberg, Kevin Cashman, Mairead Kiely, Michael Kinsella, K Galvan, J. Y. Zhang, K OH, S. W. Lee, C. L. Jung, L. Cox, G. Goldberg, K. Guberg, S. Meadows, A. Prentice, G. Swan, A. Tedstone, Graham D. Carter, Julia C. Jones, P. Brannon, R. M. Lucas, P. M. Crump, Glenville Jones, E. Cavalier, Joyce Merkel, J. M. Betz

The Vitamin D Standardization Program (VDSP) coordinated an interlaboratory study to assess the comparability of measurements of total 25-hydroxyvitamin D [25(OH)D] in human serum, which is the primary marker of vitamin D status. A set of 50 individual

Evaluating the quality of a cell counting measurement process via a dilution series experimental design

August 14, 2017

Author(s)

Sumona Sarkar, Steven Lund, Ravi Vyzasatya, Padmavathy Vanguri, John Elliott, Anne Plant, Sheng Lin-Gibson

… quantity) are critical in the research, development, and manufacturing of cell-based products and support decision …

Effects of Internal Defects and Residual Stress on Fatigue Properties of a Titanium Alloy (Ti- 6Al-4V) Fabricated Via Electron Beam Melting (EBM)

November 1, 2016

Author(s)

Nikolas W. Hrabe, Timothy P. Quinn, Thomas H. Gnaeupel-Herold

A clear understanding of the fatigue properties of Ti-6Al-4V manufactured with electron beam melting (EBM) is needed to ensure performance in critical applications in the medical device and aerospace industries. In this work, the effects of residual stress

Nanomaterials in the aquatic environment: An EU-USA perspective on the status of ecotoxicity testing, research priorities and challenges ahead

June 19, 2016

Author(s)

Selck Henriette, Richard Handy, Teresa Fernandes, Stephen Klaine, Elijah Petersen

The US-EU Community of Research (CoR) was established in 2012 to provide a platform for scientists to develop a ‘shared repertoire of protocols and methods to overcome nanoEHS research gaps and barriers' (www.us-eu.org/). Based on work within the

National Institute of Standards and Technology measurement service of the optical properties of biomedical phantoms: Current status

March 24, 2016

Author(s)

Paul Lemaillet, P. Yvonne Barnes, Zachary Levine, Adam Pintar, Jeeseong Hwang, David Allen

The National Institute for Standards and Technology (NIST) has maintained scales of reflectance and transmittance over several decades. Those scales are primarily intended for the regular transmittance, mirrors, and solid surface scattering diffusers. The

A "Smart Component" Data Model in PLM

October 28, 2015

Author(s)

Yunpeng Li, Utpal Roy, Seungjun Shin, Yung-Tsun Lee

… have shown the creation of predictive models in the manufacturing domain; however, they are limited to describe …

TRANSITIONING FROM RESISTANCE DEVICES TO PHOTONIC DEVICES FOR TEMPERATURE MEASUREMENTS

September 12, 2014

Author(s)

Zeeshan Ahmed, Gregory F. Strouse

… laboratory conditions, a noisy factory floor, advanced manufacturing, to the variable environment of a residential …

Diffusion-controlled Reference Material for VOC Emissions Testing:International Inter-laboratory Study

May 12, 2014

Author(s)

Cynthia H. Reed, Zhe Liu, Steve Cox, Dennis D. Leber, Daniel V. Samarov, John Little

The measurement of volatile organic compound (VOC) emissions from building products and materials by manufacturers and testing laboratories, and the use of the test results for labeling programs, continues to expand. One issue that hinders chamber product

Ultrafine particle removal and ozone generation by in-duct electrostatic precipitators

February 27, 2014

Author(s)

Dustin G. Poppendieck, Dong H. Rim, Andrew K. Persily

In-duct electrostatic air filters (ESP) have been shown to be an effective particulate control device for reducing UFP concentrations (20 nm - 100 nm) in buildings, although they have the potential to increase indoor ozone concentrations due to corona

Ambulance Design Survey 2011: A Summary Report

January 15, 2014

Author(s)

Yung-Tsun T. Lee, Deogratias Kibira, Allison Barnard Feeney, Jennifer L. Marshall

Current ambulance designs are ergonomically inefficient and often times unsafe for practical treatment response to medical emergencies. Thus, the patient compartment of a moving ambulance is a hazardous working environment. As a consequence, emergency

Componentization in the Systems Modeling Language

November 20, 2013

Author(s)

Conrad E. Bock

… of the SysML models generally, for example, during manufacturing and other stages of the product lifecycle. …

Advanced communications
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