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Displaying 1 - 25 of 75143

Methods to evaluate 3D lidars used for automated driving

January 1, 2025
Author(s)
Prem Rachakonda, Abhilash Mane, Craig I. Schlenoff, Kamel S. Saidi
Evaluating perception sensor systems for on-road autonomous vehicles is still fraught with ambiguity due to the varying and dynamic environmental factors that these vehicles encounter. The critical safety of on-road AV operations is heavily dependent on

VOC Emission Rates from an Indoor Surface Using a Flux Chamber and PTR-MS

December 1, 2024
Author(s)
Han Huynh, Jenna Ditto, Michael Link, Dustin Poppendieck, Delphine Farmer, Marina Vance, Jonathan Abbatt
Arising from the Chemical Assessment of Surfaces and Air (CASA) 2022 study at the NIST Net-Zero Energy Residential Test Facility (NZERTF), this paper presents the first evaluation of indoor surface emissions to a house measured with a surface flux chamber

Results from a multi-laboratory ocean metaproteomic intercomparison: effects of LC-MS acquisition and data analysis procedures

November 8, 2024
Author(s)
Mak Saito, Jaclyn Saunders, Matthew McIlvin, Erin Bertrand, John Breier, Margaret Brisbin, Sophie Colston, Jaimee Compton, Tim Griffin, Judson Harvey, Robert Hettich, Pratik Jagtap, Michael Janech, Rod Johnson, Rick Keil, Hugo Kleikamp, Dasha Leary, Scott McCain, Eli Moore, Subina Mehta, Dawn Moran, Jacqui Neibauer, Benjamin Neely, Michael Jakuba, Jim Johnson, Megan Duffy, Gerhard Herndl, Richard Giannone, Ryan Mueller, Brook Nunn, Martin Pabst, Samantha Peters, Andrew Rajczewski, Elden Rowland, Brian Searle, Tim Van Den Bossche, Gary Vora, Jacob Waldbauer, Haiyan Zheng, Zihao Zhao
Metaproteomics is an increasingly popular methodology that provides information regarding the metabolic functions of specific microbial taxa and has potential for contributing to ocean ecology and biogeochemical studies. A blinded multi-laboratory

Traceable Comparisons of Water-Triple-Point Cells

November 8, 2024
Author(s)
Weston L. Tew
A specific sub-set of comparison data is presented for two NIST water-triple-point cells that provide traceability to the results of the 2023 Consultative Committee for Thermometry CCT-K7.2021 CIPM Key Comparison of Water-Triple-Point Cells. NIST had

Wavemeter calibration by frequency comb

November 7, 2024
Author(s)
Patrick Egan
Upgrades to the vacuum-wavelength calibration service at NIST are reported. The instrumentation centerpiece is an optical frequency comb tied to a GPS-disciplined oscillator, thereby providing direct traceability to the SI second. Historically, the service

Workshop Report on Autonomous Methodologies for Accelerating X-ray Measurements

November 5, 2024
Author(s)
Zachary Trautt, Austin McDannald, Brian DeCost, Howard Joress, A. Gilad Kusne, Francesca Tavazza, Tom Blanton
The National Institute of Standards and Technology and the International Centre for Diffraction Data co-hosted a workshop on 17-18 October 2023 to identify and prioritize the goals, challenges, and opportunities for critical and emerging technology needs

Broadband Characterization of Flexible Conductor-Dielectric Composites

November 4, 2024
Author(s)
Luckshitha Suriyasena Liyanage, Nathan Orloff, Nicholas Jungwirth, Sarah Evans, Christian Long, Angela Stelson, Jacob Pawlik, James Booth
Broadband measurements are important for characterizing a wide range of materials for communications applications at microwave and mm-wave frequencies. Here we report on broadband measurements of the effective permittivity of conductor-dielectric flexible

Prediction of Magnetic Properties in van der Waals Magnets using Graph Neural Networks

November 4, 2024
Author(s)
Kamal Choudhary, Peter Minch, Trevor David Rhone, Romakanta Bhattarai
We study two-dimensional (2D) magnetic materials using state-of-the-art machine learning models that use a graph-theory framework. We find that representing materials as graphs allows us to better learn structure-property relationships by leveraging both

Base de referencia de las capacidades de apoyo no tecnicas del IoT

October 30, 2024
Author(s)
Michael Fagan, Katerina Megas, Jeffrey Marron, Kevin Brady, Barbara Cuthill, Rebecca Herold
Las capacidades de apoyo no técnicas son acciones que realiza un fabricante o una organización de terceros en apoyo de la seguridad cibernética de un dispositivo de Internet de las cosas (IoT, por sus siglas en inglés). Esta publicación define una línea

Base Principal da Capacidade de Suporte Nao Tecnico da IoT

October 30, 2024
Author(s)
Katerina Megas, Michael Fagan, Jeffrey Marron, Kevin Brady, Barbara Cuthill, Rebbecca Herold
Recursos de suporte não técnicos são ações que um fabricante ou organização terceirizada executa em apoio à segurança cibernética de um dispositivo IoT. Esta publicação define a base principal de recursos de suporte não técnico dos fabricantes de

Economics of Digital Twins: Costs, Benefits, and Economic Decision Making

October 30, 2024
Author(s)
Douglas Thomas
This report examines the economics of digital twins in the manufacturing industry, including the costs, benefits, and economic decision to invest in the adoption of a digital twin. It characterizes the costs and benefits along with the circumstances under

The U.S. Plastics Recycling Economy: Current State, Challenges, and Opportunities

October 30, 2024
Author(s)
Douglas Thomas, Joshua D. Kneifel, David Butry
This report builds upon NIST AMS 100-48 (Thomas 2022), which examined the economics of increased circularity in the economy, focusing on the processes, forces, and decision making that result in an unsustainable economy. This report further discusses the

Strategic Plan for the Manufacturing USA Program

October 29, 2024
Author(s)
Robert G. Rudnitsky, Clifton Ray, Said Jahanmir
This document is the triennial strategic plan for the Manufacturing USA Program, as required by the program's authorizing statute. This strategic plan addresses the role of the Manufacturing USA institutes in developing advanced manufacturing technology

Towards a Digital Twin of a Robot Workcell: Standards and Methods

October 28, 2024
Author(s)
Deogratias Kibira, Guodong Shao, Rishabh Venketesh
Digital twins are poised to improve the way products are designed, manufactured, and managed throughout their life cycle. However, implementing digital twins for small and medium manufacturers (SMM) has been a challenge mainly due to lack of resources and

Ultraviolet to Short-Wave Infrared Spectral Reflectance

October 28, 2024
Author(s)
Heather Patrick, Clarence Zarobila
The National Institute of Standards and Technology performs calibrations of spectral reflectance measurements in the ultraviolet (UV) to short-wave infrared (SWIR) spectral regions using the Robotic Optical Scattering Instrument (ROSI) and its associated

Digital Twins for Advanced Manufacturing: The Standardized Approach

October 26, 2024
Author(s)
Guodong Shao, Deogratias Kibira, Simon P. Frechette
Recently, digital twins are becoming more prevalent in a wide range of industries such as manufacturing, construction, smart city, healthcare, business for various purposes including observing, predicting, optimizing, and controlling. However, because
Displaying 1 - 25 of 75143