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Conferences

Josephson Arbitrary Waveform Synthesizer as Reference Standard for the Measurement of the Phase of Harmonics in Distorted Signals

July 7, 2018

Author(s)

Dimitrios Georgakopoulos, Ilya F. Budovsky, Samuel P. Benz, G. Gubler

In this work we use the Josephson arbitrary waveform synthesizer to provide traceability for the phase of the harmonics of a distorted waveform, relative to its...

AC Voltage Measurements up to 120 V With a Josephson Arbitrary Waveform Synthesizer and an Inductive Voltage Divider

July 7, 2018

Author(s)

Ilya F. Budovsky, Dimitrios Georgakopoulos, Samuel P. Benz

We use a precision inductive voltage divider and a lock-in amplifier to extend the voltage range of a Josephson Arbitrary Waveform Synthesizer (JAWS) with a...

Three Volt Pulse-Driven Josephson Arbitrary Waveform Synthesizer

July 7, 2018

Author(s)

Nathan Flowers-Jacobs, Alain Rufenacht, Anna Fox, Steven B. Waltman, Justus Brevik, Paul Dresselhaus, Samuel P. Benz

This paper describes a new generation of Josephson Arbitrary Waveform Synthesizers which generate ac waveforms with a root-mean-squared (rms) amplitude of 3 V...

Random-Deadline Missing Probability Analysis for Wireless Communications in Industrial Environments

July 5, 2018

Author(s)

Mohamed T. Hany, Nader Moayeri

The flexibility of wireless networks, and their cost-efficient setup and maintenance have motivated the deployment of wireless communications in industrial...

Non-tunneling origin of the 1/f noise in SiC MOSFET

July 1, 2018

Author(s)

Kin (Charles) Cheung, Jason Campbell

Abstract: It has long been established that MOSFET random telegraph noise and the cumulative 1/f noise is the result of inversion charge tunneling in and out of...

Pseudo-exhaustive Verification of Rule Based Systems

July 1, 2018

Author(s)

David R. Kuhn, Dylan J. Yaga, Raghu N. Kacker, Yu Lei, Chung Tong Hu

Rule-based systems are important in application domains such as artificial intelligence and business rule engines, as well as formal methods for software design...

MODELING COMMUNITY RESILIENCE TO EARTHQUAKES AND TSUNAMIS: AN OVERVIEW OF THE CENTER FOR RISK-BASED COMMUNITY RESILIENCE PLANNING

June 30, 2018

Author(s)

John W. van de Lindt, Bruce Ellingwood, Paolo Gardoni, Daniel Cox, Therese P. McAllister

Recent events such as the 2011 Christchurch, New Zealand earthquake, the 2011 Great Tohoku, Japan earthquake and tsunami, and Superstorm Sandy in 2012 have...

A 3D Topology Optimization Scheme for M2M Communications

June 29, 2018

Author(s)

Yalong Wu, Wei Yu, Jin Zhang, David W. Griffith, Nada T. Golmie

Without efficient topology management, M2M communications will likely asymmetrically congest gateways and eNodeBs in 3rd Generation Partnership Project (3GPP)...

TMA: An Efficient Timestamp-Based Monitoring Approach to Test Timing Constraints of Cyber-Physical Systems

June 29, 2018

Author(s)

Mohammadreza Mehrabian, Mohammad Khayatian, Ahmed Mousa, Aviral Shrivastava, Patricia Derler, Ya-Shian Li-Baboud, Dhananjay Anand, Edward Griffor, Hugo Andrade, John Eidson

Formal specifications on temporal behavior of Cyber-Physical Systems (CPS) is essential for verification of performance and safety. Existing solutions for...

In-Vehicle Software Defined Networking: An Enabler for Data Interoperability

June 27, 2018

Author(s)

Khalid Halba, Charif Mahmoudi

Future transportation systems evolve new in-vehicle network designs are required to handle the heterogeneous data generated by different Electronic Control...

The 2017 NIST Language Recognition Evaluation

June 26, 2018

Author(s)

Seyed Omid Sadjadi, Timothée N. Kheyrkhah, Audrey N. Tong, Craig S. Greenberg, Douglas Reynolds, Elliot Singer, Lisa Mason, Jaime Hernandez-Cordero

In 2017, NIST conducted the most recent in an ongoing series of Language Recognition Evaluations (LRE) meant to foster research in robust text- and speaker...

Using FEMA P695 to Interpret ASCE 41 Seismic Performance of Special Moment Frames

June 25, 2018

Author(s)

Matthew S. Speicher, Jazalyn D. Dukes, Kevin K. Wong

ASCE 41 contains methodologies used by practicing engineers for the assessment of existing buildings and the design of new buildings. The National Institute of...

Conflict-driven Hybrid Observer-based Anomaly Detection

June 25, 2018

Author(s)

Dhananjay Anand, Zheng Wang, Dawn Tilbury, James Moyne, CheeYee Tang

This paper presents an anomaly detection method using a hybrid observer comprised of state observers for both discrete and continuous states. We focus our...

Cost Estimates for the Seismic Retrofit of Federally Owned and Leased Buildings

June 25, 2018

Author(s)

Juan F. Fung, David T. Butry, Siamak Sattar, Steven L. McCabe

Presidential Executive Order 13717, Establishing a Federal Earthquake Risk Management Standard, encourages federal agencies to enhance resilience[to] future...

Flexural Compression Capacity of Thin Reinforced Concrete Structural Walls

June 25, 2018

Author(s)

Christopher L. Segura, Carlos Arteta, John Wallace

Stability of slender reinforced concrete walls has become an issue of interest for researchers since observations of their performance in recent earthquakes...

Importance of Experimental Loading Protocols in Developing ASCE 41-17 Backbone Curves

June 25, 2018

Author(s)

Bruce F. Maison, Matthew Speicher

ASCE 41 component backbone curves are typically based on envelopes of data from lab tests of specimens subjected to simulated seismic demands. Prior editions of...

Uncertainties in Small-Displacement-Based Algorithms for Simulating Structural Collapse

June 25, 2018

Author(s)

Kevin K. Wong

Can small-displacement-based structural analysis software packages possibly be used to simulate large displacement responses and structural collapse due to...

Influence of Fire on the Seismic Shear Capacity of Cold-Formed Steel Shear Walls

June 25, 2018

Author(s)

Blanca Andres Valiente, Matthew Hoehler

Lightweight construction using cold-formed steel (CFS) stud represent roughly 20 % of the multi-story nonresidential building market in the United States...

QUANTIFICATION OF UNCERTAINTIES IN THE RESPONSE OF BEAM-COLUMNS IN STEEL MOMENT FRAMES

June 25, 2018

Author(s)

Siamak Sattar, Jonathan M. Weigand, Kevin K. Wong

Various sources of uncertainties including material, modeling, and loading uncertainties can have a significant influence on prediction of earthquake-induced...

Nanoscale 3D Shape Process Monitoring Using TSOM

June 24, 2018

Author(s)

Ravikiran Attota

Uniform Angular Illumination in Optical Microscopes

June 24, 2018

Author(s)

Ravikiran Attota, Emil Agocs

Life-Cycle Cost of Manufactured Goods: A Case Study in US Ground Passenger Transportation

June 24, 2018

Author(s)

Douglas Thomas

National governments invest in research and development efforts that advance efficiency and spur economic growth. There are, however, few studies that identify...

Machining behavior of additively manufactured and cast-wrought nickel-based super alloy (IN625)

June 22, 2018

Author(s)

Rajesh K. Ananda-Kumar, Wilfredo Moscoso-Kingsley, Gregor Jacob, Alkan Donmez, Viswanathan Madhavan

Additively manufactured (AM) and cast-wrought (CW) nickel-based super alloy (IN 625) with known processing history and quasi-static properties have been...

Impact of Sampling and Augmentation on Generalization Accuracy of Microscopy Image Segmentation Methods

June 22, 2018

Author(s)

Michael P. Majurski, Petru S. Manescu, Joe Chalfoun, Peter Bajcsy, Mary C. Brady

Impact of Sampling and Augmentation on Estimated Accuracy of Microscopy Image Segmentation Methods

June 22, 2018

Author(s)

Michael P. Majurski, Petru S. Manescu, Joe Chalfoun, Peter Bajcsy, Mary C. Brady

Sampling and augmentation methods have been widely used to generate sufficiently large numbers of representative training images for supervised segmentation...

THE INTERDEPENDENT NETWORKED COMMUNITY RESILIENCE MODELING ENVIRONMENT (IN-CORE)

June 22, 2018

Author(s)

Paolo Gardoni, John W. van de Lindt, Bruce Ellingwood, Therese P. McAllister, Jong Lee, Harvey Cutler, Daniel Cox

The National Institute of Standards and Technology (NIST) funded the multi-university five-year Center of Excellence for Risk-Based Community Resilience...

A Combined Experimental-Numerical Method to Evaluate Powder Thermal Properties in Laser Powder Bed Fusion

June 22, 2018

Author(s)

Bo Cheng, Brandon Lane, Justin G. Whiting, Kevin Chou

Powder-bed metal additive manufacturing (AM) utilizes a high-energy heat source scanning at the surface of a powder layer in a pre-defined area to be melted and...

Force modeling for hybrid manufacturing

June 21, 2018

Author(s)

Michael Gomez, Jarred C. Heigel, Tony Schmitz

This paper investigates the cutting forces during the machining of additively manufactured metals. Two pairs of workpieces were produced by powder bed direct...

Experimental Investigation of Residual Stress and its Impact on Machining in Hybrid Additive/Subtractive Manufacturing

June 21, 2018

Author(s)

Jarred C. Heigel, Thien Q. Phan, Jason Fox, Thomas H. Gnaupel-Herold

Hybrid Manufacturing leverages the advantages of both additive manufacturing (AM) with machining to create parts that have complex geometries, tight tolerances...

Monitoring, Diagnostics, and Prognostics for Robot Tool Center Accuracy Degradation

June 21, 2018

Author(s)

Guixiu Qiao, Brian A. Weiss

Over time, robots degrade because of age and wear, leading to decreased reliability and increased potential for faults and failures. The effect of faults and...

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