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Conferences

Metrics and Performance Measures for Intelligent Unmanned Ground Vehicles

August 15, 2002

Author(s)

James S. Albus

Metrics and measures for physical phenomena are precisely defined and widely accepted. However, metrics and measures for intelligent systems are as yet vaguely...

Evaluating the Performance of a Vehicle Pose Measurement System

August 15, 2002

Author(s)

Harry A. Scott, Sandor S. Szabo

A method is presented for measuring the uncertainty of a vehicle pose measurement system (e.g., GPS, inertial sensors, etc.). The method supports evaluations of...

A Simulation Framework for Evaluating Mobile Robots

August 15, 2002

Author(s)

Stephen B. Balakirsky, Elena R. Messina

As robotic technologies mature, we are moving from simple systems that roam our laboratories to heterogeneous groups of systems that operate in complex non...

Modified Allard Method for Effective Intensity of Flashing Lights

August 1, 2002

Author(s)

Yoshihiro Ohno, D Couzin

For the measurement of effective intensity of flashing lights, the Blondel-Rey, Blondel-Rev-Douglas, Form Factor, and Allard methods are adopted in various...

MALDI MS Characterization of Covalent Cationized Polyethylene

August 1, 2002

Author(s)

Sheng Lin-Gibson, D L. Brunner, David L. VanderHart, Barry J. Bauer, B M. Fanconi, Kathleen M. Flynn, William E. Wallace

Polyolefins, saturated hydrocarbon polymers such as polyethylene (PE) and polypropylene, are, by production volume, the most widely used of all A new method for...

Chemical Characterization of Silicon-Germanium Single Crystals - Initial Evaluation of the Extent of Heterogeneity

August 1, 2002

Author(s)

Ryna B. Marinenko, J T. Armstrong, Shirley Turner, Eric B. Steel, F A. Stevie

Initial heterogeneity testing with the electron microprobe using WDS of three SiGe wafers cut from single-crystal boules of different concentrations (nominally...

Structure Development From Simultaneous Phase Separation and Crystallization of Metallocene Polyolefin Blends

August 1, 2002

Author(s)

Charles C. Han, Haonan Wang, K Shimizu, H W. Kim, Erik K. Hobbie, Z G. Wang

Non-linear structural dynamics in polymer blends can be expected when dual or multiple phase ordering processes co-exist. In a typical case of liquid-liquid...

Structure Formation in Micro-Confined Polymeric Emulsions

August 1, 2002

Author(s)

Jai A. Pathak, Steven D. Hudson, Kalman D. Migler

Application of a shear field to a concentrated emulsion induces a complex spatial and temporal response. The behavior of a concentrated system is treated as an...

MeasuringThe Modulus of Polymer Films by Strain-Induced Buckling Instabilities

August 1, 2002

Author(s)

Christopher M. Stafford, C Harrison, Alamgir Karim, Eric J. Amis

We present a high-throughput technique for measuring the Young s modulus of thin polymer films. This technique exploits a strain-induced buckling instability...

Novel Dental Resins From Trialkoxysilanes and Dental Monomers by in Situ Formation of Oligomeric Silyl Ethers and Silsesquioxines

August 1, 2002

Author(s)

Joseph M. Antonucci, Bruce O. Fowler, Sabine H. Dickens, N D. Richards

The silane coupling agent 3-methacryloxypropyltrimethoxysilane (MPTMS) is commonly used to surface modify (silanize) glass fillers for the reinforcement of...

Linking Sensed Images to an Ontology of Obstacles to Aid in Autonomous Driving

August 1, 2002

Author(s)

Craig I. Schlenoff

In this paper, we discuss the importance of recognizing and representing both stationary and moving obstacles for the purpose of autonomous driving as well as...

A Native Intelligence Metric for Artificial Systems

August 1, 2002

Author(s)

John A. Horst

We define native intelligence as the specified complexity inherent in the information content of an artificial system. The artificial system is defined as a...

The Effect of Topic Set Size on Retrieval Experiment Error

August 1, 2002

Author(s)

Ellen M. Voorhees, C E. Buckley

Retrieval mechanisms are frequently compared by computing the respective average scores for some effectiveness metric across a common set of information needs...

NIST CFTT: Testing Disk Imaging Tools

August 1, 2002

Author(s)

James R. Lyle

There is a critical need in the law enforcement community to ensure the reliability of computer forensic tools. A capability is required to ensure that forensic...

First Principles Studies of KnbO₃, KtaO₃ and LiTaO₃ Solid Solutions

August 1, 2002

Author(s)

S A. Prosandeev, Eric J. Cockayne, Benjamin P. Burton

KTaO3-based solid solutions exhibit a variety of interesting physical phenomena. To better understand these phenomena, we performed first-principles...

Observation of Growth Pulsations in Polymer Dendritic Crystalization in thin PEO/PMMA Blend Films

August 1, 2002

Author(s)

Jack F. Douglas, V Ferreiro, James A. Warren, Alamgir Karim

The crystallization of polymeric and metallic materials normally occurs under conditions far from equilibrium, leading to patterns that grow as propagating...

Grain Growth in Relaxor Ferroelectrics

August 1, 2002

Author(s)

J Blendell, Jay S. Wallace

The mechanisms controlling normal and exaggerated grain growth in lead magnesium niobate - lead titanate (PMN - PT) ceramics have been investigated by varying...

Evaluation of the Interactions of a Silane Agent With Dental Monomers by Near Infrared Spectroscopy

August 1, 2002

Author(s)

Sabine H. Dickens, Joseph M. Antonucci, Bruce O. Fowler

This study evaluated the applicability of near-infrared (NIR) spectroscopy to follow the reactions of 3-methacryloxypropyltrimethoxysilane (MPTMS) with water...

Simulation System Modeling for Mass Customization Manufacturing

August 1, 2002

Author(s)

Guixiu Qiao, Charles R. McLean, Frank H. Riddick

Emerging rapidly as a new paradigm of the 21st century, Mass Customization Manufacturing (MCM) systems possess some special characteristics that make the...

A Multi-Agent Platform Design for Knowledge-Based Manufacturing Planning Integrated with Design

August 1, 2002

Author(s)

Shaw C. Feng, Yuyin Song

Intelligent agents can enable the integration of preliminary design with manufacturing planning software systems. These agents execute in a computer-based...

HIV Protease Structural Database

August 1, 2002

Author(s)

Veerasamy Ravichandran, J Vondrasek, G L. Gilliland, Talapady N. Bhat, A Wlodawer

The HIV Protease Database (HIVdb) is a web-based archive for HIV protease structural information. HIVdb contains experimentally determined three-dimensional...

Standards for Optical Imaging Systems in Forensic Laboratories

August 1, 2002

Author(s)

Jun-Feng Song, Theodore V. Vorburger, Robert A. Clary, Eric P. Whitenton, Li Ma, Susan M. Ballou

NIST RM (Reverence Material) 8240/2350 standard bullet and casing project is currently ongoing to support the National Integrated Ballistics Information Network...

Parameter Extraction Sequence for Silicon Carbide Schottky, Merged PiN Schottky, and PiN Power Diode Models

August 1, 2002

Author(s)

Ty R. McNutt, Allen R. Hefner Jr., Alan Mantooth, J L. Duliere, David W. Berning, Ranbir Singh

A detailed parameter extraction sequence for Silicon Carbide (SiC) power diode models is presented. The sequence is applicable to any SiC diode technology. Also...

Concealed Weapons Detection using an Uncooled Millimeter-wave Microbolometer System

August 1, 2002

Author(s)

Erich N. Grossman, V. A. Bhupathiraju, Aaron J. Miller, Carl D. Reintsema

We describe the status of, and present the first imagery obtained using, an active uncooled mm-wave microbolometer-based imaging system. The microbolometers...

Correlation of Microwave Dielectric Properties and Microstructure of Unpatterned Ferroelectric Thin Films

August 1, 2002

Author(s)

Richard G. Geyer, Melanie W. Cole, P. C. Joshi, E. Ngo, C. Hubbard, W. Nothwang, M. Bratcher, M. Ervin, M. Wood

The influence of low concentration (1 mol%) Mg doping on the structural, microstructural, surface morphological and dielectric properties of Ba 1-xSr xTiOd3^...

Numerical Modeling of an Integrating Sphere Radiation Source

August 1, 2002

Author(s)

A Prokhorov, Leonard Hanssen

Integrating spheres are often used as calibration sources providing uniform radiance within solid angle and/or uniform irradiance at a distance. The best...

A New Investigation of Iron Cross Sections via Spherical-Shell Transmission Measurements and particle Transport Calculations

August 1, 2002

Author(s)

J M. Adams, A Alpan, Allan D. Carlson, S Gardner, S M. Grimes, A Haghighat, V Kucukboyaci, T N. Massey, A Patchimpattapong, M T. Wenner

We are engaged in a multi-year project to study neutron scattering interactions in iron, the principal objective of which is to investigate the well-known...

Characterization of a Controlled-Clearance Piston Gauge Using the Heydemann-Welch Model

August 1, 2002

Author(s)

T Kobata, James W. Schmidt, Douglas A. Olson

A study on the characterization of a controlled-clearance piston gauge was performed at the National Institute of Standards and Technology (NIST). The...

Systems Engineering Foundations of Software Systems Integration

August 1, 2002

Author(s)

Peter O. Denno, Allison Barnard Feeney

This paper concerns how engineering capability should be factored into problem solving agencies for application to software systems integration tasks, and how...

Virtual Reality Simulation of a Mechanical Assembly Production Line

August 1, 2002

Author(s)

Deogratias Kibira, Charles R. McLean

This paper presents our work on the application of virtual reality simulation to the design of a production line for a mechanically assembled product. The...

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