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Search Publications

NIST Authors in Bold

Displaying 13551 - 13575 of 73697

Towards a Robot Task Ontology Standard

June 8, 2017
Author(s)
Stephen B. Balakirsky, Craig I. Schlenoff, Sandro R. Fiorini, Signe Redfield, Marcos Barreto, Hirenkumar Nakawala, Joel L. Carbonera, Larisa Soldatova, Julita Bermejo-Alonso, Fatima Maikore, Paulo J. Goncalves, Elena D. Momi, S. Veera Ragavan, Tamas Haidegger
Ontologies serve robotics in many ways, particularly in describing and driving autonomous functions. These functions are built around robot tasks. The goal of a recently established international study group is to develop a knowledge representation that

ACCURACY DEGRADATION ANALYSIS FOR INDUSTRIAL ROBOT SYSTEMS

June 7, 2017
Author(s)
Guixiu Qiao, Brian A. Weiss
As robot systems become increasingly prevalent in manufacturing environments, the need for improved accuracy continues to grow. Recent accuracy improvements have greatly enhanced automotive and aerospace manufacturing capabilities, including high-precision

An Improved Basis for Characterizing the Suitability of Fly Ash as a Cement Replacement Agent

June 7, 2017
Author(s)
Tandre Oey, Jason Timmons, Paul E. Stutzman, Jeffrey W. Bullard, Magdalena Balonis, Mathieu Bauchy, Gaurav Sant
Fly ash is a critical yet underutilized material for partial replacement for ordinary portland cement (OPC) in the binder fraction of a concrete. Significant compositional variability, and a lack of rigorous classification methods currently limit fly ash

Building Connections through Standards Landscaping

June 7, 2017
Author(s)
Paul W. Witherell, Yan Lu
Standards are an essential part of how we do business, from communication, to establishing best practices, to achieving quality control. As commerce and technology continues to diversify, standards, and standard organizations, have become increasingly

Developing a capability-based similarity metric for manufacturing processes

June 7, 2017
Author(s)
Kevin Li, William Z. Bernstein
Manufacturing taxonomies and accompanying metadata of manufacturing processes have been catalogued in both reference books and databases online. However, such information remains in a form that is uninformative to the various stages of the product life

Microparticle tracking velocimetry as a tool for microfluidic flow measurements

June 7, 2017
Author(s)
Paul NMN Salipante, Steven D Hudson, James W. Schmidt, John D. Wright
The accurate measurement of flows in microfluidic channels is important for commercial and research applications. We compare the accuracy of flow measurement techniques over a wide range flows. Flow measurements made using holographic microparticle

Reference Data Set of Human Skin Reflectance

June 7, 2017
Author(s)
Catherine C. Cooksey, David W. Allen, Benjamin K. Tsai
This data set contains 100 reference reflectance spectra of human skin, spanning the wavelength region from 250 nm to 2500 nm. The spectra were acquired with a commercial spectrophotometer and are directly traceable to the national scale for directional

Weak is Better: Tightly Secure Short Signatures from Weak PRFs

June 7, 2017
Author(s)
Jacob M. Alperin-Sheriff, Daniel Apon
The Boyen-Li signature scheme [Asiacrypt'16] is a major theoretical breakthrough. Via a clever homomorphic evaluation of a pseudorandom function over their verification key, they achieve a reduction loss in security linear in the underlying security

A Review of the IEEE 1785 Standards for Rectangular Waveguides above 110 GHz

June 6, 2017
Author(s)
Ronald A. Ginley, Nick M. Ridler
A new series of standards has recently been published by IEEE defining waveguide for use at millimeter-wave and terahertz frequencies. The series comprises three standards covering different aspects of this technology: (i) frequency bands and waveguide

Automation Support for Security Control Assessments, Volume 1: Overview

June 6, 2017
Author(s)
Kelley L. Dempsey, Paul Eavy, George Moore
This volume introduces concepts to support automated assessment of most of the security controls in NIST Special Publication (SP) 800-53. Referencing SP 800-53A, the controls are divided into more granular parts (determination statements) to be assessed

Fast Updating Multipole Coulombic Potential Calculation

June 6, 2017
Author(s)
Thomas Hoft, Bradley Alpert
We present a numerical method to efficiently and accurately re-compute the Coulomb potential of a large ensemble of charged particles after a subset of the particles undergoes a change of position. Errors are bounded even after a large number of such

Identification of machine tool geometric performance using on-machine inertial measurements

June 6, 2017
Author(s)
Gregory W. Vogl, Radu Pavel, Andreas Archenti, Thomas J. Winnard, Matlock M. Mennu, Brian A. Weiss, Alkan Donmez
Machine tools degrade during operations, yet accurately detecting degradation of machine components such as linear axes is typically a manual and time-consuming process. Thus, manufacturers need automated and efficient methods to diagnose the condition of

Resonant Acoustic Frequency Shifts Associated with Cracks in Multilayer Ceramic Capacitors

June 6, 2017
Author(s)
Ward L. Johnson, Jaemi Herzberger, Sudook A. Kim, Kirsten L. Peterson, Paul R. Heyliger, Grady S. White
Resonant ultrasound spectroscopy (RUS) was used in this study to measure shifts in resonant frequency that arise from the presence of cracks in barium-titanate-based multi-layer ceramic capacitors (MLCCs). This work was motivated by an industrial need for

First-Order Reversal Curves of the Magnetostructural Transition in FeTe

June 5, 2017
Author(s)
M. K. Frampton, J. Crocker, Dustin A. Gilbert, N. Curro, Kai Liu, J. A. Schneeloch, G. D. Gu, R. J. Zieve
We apply the first-order reversal curve (FORC) method, borrowed from studies of ferromagnetic materials, to the magneto-structural phase transition of Fe 1+yTe. FORC measurements reveal two features in the hysteretic phase transition, even in samples where

Interface-induced phenomena in magnetism

June 5, 2017
Author(s)
Frances Hellman, Axel Hoffmann, Yaroslav Tserkovnyak, Geoffrey S. Beach, Eric E. Fullerton, C. Leighton, Allan H. MacDonald, Daniel C. Ralph, Dario A. Arena, Hermann A. Duerr, Peter Fischer, Julie Grollier, Joseph P. Heremans, Tomas Jungwirth, alexay V. Kimel, Bert Koopmans, Ilya N. Krivorotov, Steven J. May, Amanda K. Petford-Long, James M. Rondinelli, Nitin Samarth, Ivan K. Schuller, Andrei N. Slavin, Mark D. Stiles, Oleg Tchernyshyov, Andre Thiaville, Barry L. Zink
This article reviews static and dynamic interfacial effects in magnetism, focusing in particular on the current explosion in interfacially-driven magnetic effects and phenomena associated with spin-orbit coupling and intrinsic symmetry breaking at

An Updated Security Analysis of PFLASH

June 4, 2017
Author(s)
Ryann Cartor, Daniel Smith-Tone
One application in post-quantum cryptography that appears especially difficult is security for low-power or no-power devices. One of the early champions in this arena was SFLASH, which was recommended by NESSIE for implementation in smart cards due to its
Displaying 13551 - 13575 of 73697
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