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Conferences

Strain rate effect on single PPTA fiber tensile behaviour

July 28, 2013

Author(s)

Jae Hyun Kim, Nathanael A. Heckert, Stefan D. Leigh, Walter G. McDonough, Kirk D. Rice, Gale A. Holmes

On the anisotropic attenuation behavior of the flexure mode of carbon fiber composites

July 28, 2013

Author(s)

Brian M. Burks, Marvin A. Hamstad

In this work a coupled experimental-numerical approach was developed to study the anisotropic far field attenuation behavior of plate-type unidirectional carbon...

On the anisotropic attenuation behavior of the flexure mode of carbon fiber composites

July 28, 2013

Author(s)

Brian M. Burks, Marvin A. Hamstad

The uploaded document is the conference abstract. This particular conference is peer reviewed, requiring a 2 page abstract which is reviewed. Accepted works are...

Statistical Analysis of Single PPTA Fibers

July 28, 2013

Author(s)

N. Alan Heckert, Jae H. Kim, Kirk D. Rice, Gale A. Holmes

Discuss statistical methods used for analysis of single fiber tensile strength tests. Kernel density plots and quantile-quantile plots were used to graphically...

Infrared Thermography for Laser-Based Powder Bed Fusion Additive Manufacturing Processes

July 26, 2013

Author(s)

Shawn P. Moylan, Eric P. Whitenton, Brandon M. Lane, John A. Slotwinski

Additive manufacturing (AM) has the potential to revolutionize discrete part manufacturing, but improvements in processing of metallic materials are necessary...

Where in the Internet is Congestion?

July 26, 2013

Author(s)

Daniel I. Genin

Understanding distribution of congestion in the Internet is a long-standing problem. Using data from the SamKnows US broadband access network measurement study...

Porosity of Additive Manufacturing Parts for Process Monitoring

July 26, 2013

Author(s)

John A. Slotwinski, Edward J. Garboczi

Some metal additive manufacturing processes can produce parts with internal porosity, either intentionally (with careful selection of the process parameters) or...

Additive Manufacturing: Overview and NDE Challenges

July 26, 2013

Author(s)

John A. Slotwinski

Additive manufacturing (AM) processes are capable of producing highly complex and customized parts, without the need for dedicated tooling, and can produce...

Non-Rigid and Partial 3D Model Retrieval Using Hybrid Shape Descriptor and Meta Similarity

July 26, 2013

Author(s)

Bo Li, Afzal A. Godil, Henry Johan

Non-rigid and partial 3D model retrieval are two significant and challenging research directions in the field of 3D model retrieval. Little work has been done...

Proposed E57.02 Range Measurement Performance Standard for Medium Range 3D Imaging Systems

July 26, 2013

Author(s)

David MacKinnon, Luc Cournoyer, Kamel Saidi, Geraldine Cheok, Robert Bridges, Darin Ingimarson

We present the proposed standard ASTM E57.02 "Test Method to Evaluate the Range Measurement Performance of 3D Imaging Systems in the Medium Range" (Work Item...

Analytic determination of optimal projector lens design requirements for pixilated projectors used to test pixilated imaging sensors

July 25, 2013

Author(s)

Joseph P. Rice

A model is described for the problem of optimally projecting a pixellated light source onto a pixellated imaging sensor, in the context that the projected...

Cancellation of Doppler Shifts in a Cold-Atom CPT Clock

July 25, 2013

Author(s)

Elizabeth A. Donley, Francois-Xavier R. Esnault, Eric M. Blanshan, John E. Kitching

A compact cold-atom clock based on coherent population trapping (CPT) is being developed. Long-term goals for the clock include achieving a fractional frequency...

Significance Test with Data Dependency in Speaker Recognition Evaluation

July 25, 2013

Author(s)

Jin Chu Wu, Alvin F. Martin, Craig S. Greenberg, Raghu N. Kacker, Vincent M. Stanford

To evaluate the performance of speaker recognition systems, a detection cost function defined as a weighted sum of the probabilities of type I and type II...

Computational Cognitive Modeling of Touch and Gesture on Mobile Multitouch Devices: Applications and Challenges for Existing Theory

July 24, 2013

Author(s)

Kristen Greene, Ross J. Micheals, Franklin Tamborello

As technology continues to evolve, so too must our modeling and simulation techniques. While formal engineering models of cognitive and perceptual-motor...

A Chosen IV Related Key Attack on Grain-128a

July 24, 2013

Author(s)

Subhadeep Banik, Subhamoy Maitra, Santanu (. Sarkar, Meltem Sonmez Turan

Due to the symmetric padding used in the stream cipher Grain v1 and Grain-128, it is possible to find Key-IV pairs that generate shifted keystreams efficiently...

Principles for Profiling Healthcare Data Communication Standards

July 22, 2013

Author(s)

Robert D. Snelick

Healthcare organizations often have many proprietary heterogeneous information systems that must exchange data reliably. Seamlessly sharing information among...

A finite element thermal simulation of a microwave blackbody calibration target

July 21, 2013

Author(s)

Derek A. Houtz, Dave K. Walker

A method is introduced to determine the gradient between measured physical temperature and true radiating surface temperature of a passive microwave calibration...

Challenges of the Changing Robot Markets

July 19, 2013

Author(s)

Gurvinder S. Virk, Carol Herman, Roger V. Bostelman, Tamas Haidegger

Service robots are becoming an integrated part of daily life, entering even the most complex scenarios, yet at a slower pace than previously anticipated. This...

Determining the Uncertainty of Frequency Measurements Referenced to GPS Disciplined Oscillators

July 15, 2013

Author(s)

Michael A. Lombardi

GPS disciplined oscillators (GPSDOs) are commonly used as references for frequency calibrations. Over long intervals, a GPSDO is an inherently accurate source...

THE EFFECT OF MICROSTRUCTURE ON THE HYDROGEN-ASSISTED FATIGUE OF PIPELINE STEELS

July 14, 2013

Author(s)

Andrew J. Slifka, Elizabeth S. Drexler, Robert L. Amaro, Damian S. Lauria, April Stevenson, Douglas G. Stalheim, Louis E. Hayden

Tests on the fatigue crack growth rate were conducted on four pipeline steels, two of grade API 5L- X52 and two API 5L-X70. One X52 material was from the mid...

Picometer metrology for precise measurement of refractive index, pressure, and temperature

July 14, 2013

Author(s)

Jack A. Stone Jr., Patrick F. Egan, Jay H. Hendricks, Gregory F. Strouse, Douglas A. Olson, Jacob E. Ricker, Gregory E. Scace

For several years we have been studying the use of Fabry-Perot interferometers for precise measurement of the refractive index of gasses, where the primary...

RECON -- A Controlled English for Business Rules

July 13, 2013

Author(s)

Fabian M. Neuhaus, Edward J. Barkmeyer Jr.

Capturing business rules in a formal logic representation supports the enterprise in two important ways: it enables the evaluation of logs and audit records for...

Initial ACT-R Extensions for User Modeling in the Mobile Touchscreen Domain

July 12, 2013

Author(s)

Kristen Greene, Franklin Tamborello

Advances in mobile touchscreen computing offer new opportunities to test traditional cognitive architectures and modeling tools in a novel task domain. ACT...

Atomic data for beam-stimulated plasma spectroscopy in fusion plasmas

July 11, 2013

Author(s)

O. Marchuk, Yuri Ralchenko, David R. Schultz, W. Biel, T. Schlummer, TEXTOR Team

Injection of high energy atoms into a confined plasma volume is an established diagnostic technique in fusion research. This method strongly depends on the...

Toward a reference architecture for archival systems

July 10, 2013

Author(s)

Raphael Barbau, Joshua Lubell, Sudarsan Rachuri, Sebti Foufou

Long-term preservation of product data is imperative for many organizations. A product data archive should be designed to ensure information accessibility and...

On the Delay and Data Rate Performance of Throughput-Efficient Multi-Channel Access Algorithms in Cognitive Radio Networks

July 8, 2013

Author(s)

Kamran Sayrafian, Luca Zappaterra, Hyeong-Ah Choi, Jari Iinatti

Cognitive Radio Networks (CRNs) are designed to increase spectrum utilization by allowing unlicensed secondary users (SUs) to operate over existing wireless...

Properties of magnetic barrier structures for superconducting-magnetic hybrid Josephson junctions

July 7, 2013

Author(s)

Burm Baek, Samuel P. Benz, William H. Rippard, Stephen E. Russek, Paul D. Dresselhaus, Horst Rogalla, Matthew R. Pufall

If Josephson and spintronic technologies can be successfully integrated to produce a cryogenic memory that can be controlled with single-flux quantum pulses...

Metrological Challenges Introduced by New Tolerancing Standards

July 5, 2013

Author(s)

Ed Morse, Yue Peng, Vijay Srinivasan, Craig M. Shakarji

The recent release of ISO 14405-1 has provided designers with a richer set of specification tools for the size of part features, so that various functional...

LaTeXML 2012 -- A Year of LaTeXML

July 5, 2013

Author(s)

Deyan Ginev, Bruce R. Miller

LaTeXML, a TeX to XML converter, is being used in a wide range of MKM applications. In this paper, we present a progress report for the 2012 calendar year...

Frameworks and Data Initiatives for Smart Grid and other Cyber-Physical Systems

July 1, 2013

Author(s)

David A. Wollman

I describe the NIST smart grid framework and its applicability as a model for organizational efforts to advance cyber-physical systems, and provide an overview...

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