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Conferences

Risk Tolerance and Attitudes in the Economics of Electric Power and Gas Utilities: Case of Wildfire for Community Resilience

November 22, 2023

Author(s)

Bilal Ayyub, Ramsay Sawaya, David Butry, Yumi Oum, Vincent Loh, Jennifer Helgeson

Electric and gas investor-owned utilities operate in a regulated environment, and are scrutinized by media and stakeholders for key strategic and operational...

An investigation into an approach for automated supply chain onboarding

November 21, 2023

Author(s)

Elena Jelisic, Nenad Ivezic, Boonserm Kulvatunyou, Perawit Charoenwut, Ana Nikolov

The COVID-19 pandemic has brought the cold chain for bio-pharmaceutical products to the spotlight. To preserve their structure and function, biopharmaceuticals...

Transferability Analysis of Data-Driven Additive Manufacturing Knowledge: A Case Study Between Powder Bed Fusion and Directed Energy Deposition

November 21, 2023

Author(s)

Yan Lu

Data-driven research in Additive Manufacturing (AM) has gained significant success in recent years. This has led to a plethora of scientific literature to...

Methods for Mapping Empirical Data to Authoritative Definitions for Additive Manufacturing Part Validation

November 21, 2023

Author(s)

Fahad Milaat, Paul Witherell, Ho Yeung, Martin Hardwick

Traditionally, inspection and geometric dimensioning and tolerancing (GD&T) are deployed at the macroscale, where complete parts are tested to meet geometric...

Knowledge Management for Data Analytics in Additive Manufacturing

November 21, 2023

Author(s)

Yeun Park, Paul Witherell, Albert T. Jones, Hyunbo Cho

As a multi-staged digital manufacturing process, Additive manufacturing (AM) inherently benefits from data analytics (DA) decision-making opportunities. The...

Adapting Digital Twin Frameworks Toward Lean Manufacturing for the Circular Economy

November 21, 2023

Author(s)

Vincenzo Ferrero, Naser Alqseer, Maya Reslan, KC Morris

Lean manufacturing is based on data collection and analysis that is used toward reducing waste and enabling continuous improvement. However, little research has...

Using Graphene and 2D Topological Insulators as a Global Standard for Quantum Electrical Units

November 20, 2023

Author(s)

Albert Rigosi

Nanoscale X-ray Tomography of Integrated Circuits using a Hybrid Electron/X-ray Microscope: Results and Prospects

November 20, 2023

Author(s)

Nathan Nakamura, Paul Szypryt, Joseph Fowler, Zachary H. Levine, Daniel Swetz

Accurate characterization of subsurface features in integrated circuits (ICs) is essential for defect detection, quality assurance, and supply chain security...

Robust Measurements for RF Fingerprinting with Constellation Patterns of Radiated Waveforms

November 20, 2023

Author(s)

Ameya Ramadurgakar, Jake Rezac, Lennart Heijnen, Kate Remley, Dylan Williams, MELINDA PIKET-MAY, Rob Horansky

We introduce a type of RF fingerprint for nondestructive, cellular device identification. The new fingerprinting algorithm, termed Eigenphones, is a data-driven...

Temperature Monitoring and Airflow Control System for Balancing the Greenhouse Environment Using IEEE 1451 Standards

November 16, 2023

Author(s)

Eugene Song, Kang B. Lee, Nishi Hiroaki, Yuki Takayama, Janaka Wijekoon

It is vital to establish a suitable thermal environment for crop cultivation and greenhouse to improve production quality. However, in greenhouse environments...

Microstrip and Grounded CPW Calibration Kit Comparison for On-Wafer Transistor Characterization from 220 GHz to 325 GHz

November 15, 2023

Author(s)

Rob Jones, Jerome Cheron, Bryan Bosworth, Ben Jamroz, Dylan Williams, Miguel Urteaga, Ari Feldman, Peter Aaen

In this paper, we investigate the effect of two calibration errors, probe placement and capacitance per unit length, on transistor characterization from 220 GHz...

Limited Inventory Startup Core Loading for the NBSR

November 15, 2023

Author(s)

Osman Celikten, Anil Gurgen, Abdullah Weiss, Dagistan Sahin

The 2023 Status Update on the LEU Conversion of the NBSR

November 15, 2023

Author(s)

Abdullah Weiss, Osman Celikten, Dagistan Sahin, Anil Gurgen, Thomas Newton

Cutting force estimation from machine learning and physics-inspired data-driven models utilizing accelerometer measurements

November 13, 2023

Author(s)

Gregory W. Vogl, Yongzhi Qu, Reese Eischens, Gregory Corson, Tony Schmitz, Andrew Honeycutt, Jaydeep Karandikar, Scott Smith

Monitoring cutting forces for process control may be challenging because force measurements typically require invasive instrumentation. To remedy this situation...

Measuring the frequency of a pendulum

November 13, 2023

Author(s)

Jon R. Pratt, Stephan Schlamminger, Charles Condos, Jack Manley, Dalziel Wilson

We previously reported the use of a chip-scale torsion pendulum as a clock gravimeter, exploiting the parametric coupling of its frequency to the local...

A Novel Nuclear Reactor Console Simulator Using HoloLens 2

November 13, 2023

Author(s)

Alec Felix, Dagistan Sahin

Improving Fitting CAD to 3D Point Cloud Acquired with Line-of-Sight Sensor

November 7, 2023

Author(s)

Marek Franaszek, Prem Rachakonda, Kamel S. Saidi

Due to self-occlusions in 3D point clouds acquired with line-of-sight sensors, an incomplete representation of an object's surface is used in fitting a CAD...

Conceptual Architecture of Digital Twins with Human-in-the-Loop - Based Smart Manufacturing

November 2, 2023

Author(s)

Duckbong Kim, Mahdi Bajestani, Guodong Shao, Albert T. Jones, Sang Do Noh

Smart manufacturing has the goal of finding near-optimal, sustainable, and resilient solutions to various manufacturing problems. It is based on a vision that...

Superconducting Nanowire Single-Photon Detector Arrays for the Near- to Mid-Infrared

October 31, 2023

Author(s)

Benedikt Hampel, Richard Mirin, Sae Woo Nam, Varun Verma

Superconducting Nanowire Single-Photon Detectors (SNSPDs) are excellent devices for the analysis of faint light from the ultraviolet to the mid-infrared. Recent...

LEVERAGING DECISION TREES TO MAP FUNCTIONAL RECOVERY SEISMIC DESIGN PROVISIONS FOR REINFORCED CONCRETE MOMENT FRAMES

October 31, 2023

Author(s)

Dustin Cook

While recent advancements have been made in performance-based earthquake engineering to stochastically quantify functional recovery times for individual...

Security Analysis of Trust on the Controller in the Matter Protocol

October 27, 2023

Author(s)

Kumar Shashwat, Francis Hahn, Xinming Ou, Anoop Singhal

Matter is an open-source connectivity standard for the purpose of allowing smart home IoT devices from different vendors to interoperate with one another. A...

Energy-Efficient Access Point Deployment for Industrial IoT Systems

October 26, 2023

Author(s)

Xiaowen Qi, Jing Geng, Mohamed Hany, Shuvra Bhattacharyya, Rick Candell

Internet of Things (IoT) technologies have impacted many fields by opening up much deeper and more extensive integration of communications connectivity, sensing...

Adaptive Maximization of Harvested Kinetic Energy for Small Wearable Medical Sensors

October 23, 2023

Author(s)

Hamid Mahboubi, Kamran Sayrafian, Amir Aghdam

Energy harvesting (EH) is the process of capturing and storing energy from external sources or the ambient environment. The EH devices have found various...

Impact of the Exposure Time and Distance Thresholds on the Performance of Automatic Contact Tracing

October 23, 2023

Author(s)

Brian D. Cloteaux, Vladimir Marbukh, Kamran Sayrafian

Automatic exposure notification apps operate based on guidelines that specify distance and time thresholds to measure the occurrence of contacts with infected...

Generation of Firebrands from the Burning of Full-Scale Vegetation in the Absence of Ambient Wind

October 23, 2023

Author(s)

Isaac Leventon, Mahdi Tlemsani, Mohammadhadi Hajilou, Xiaoyu Ju, Michael Gollner

9 Between December 2019 and January 2020, 14 full-scale experiments were conducted at the University of 10 Maryland (UMD) in collaboration with the National Ins...

Modeling of Black PMMA in the NIST Gasification Apparatus using Fire Dynamics Simulator

October 20, 2023

Author(s)

Jason Floyd, Morgan Bruns, Isaac Leventon, Kevin B. McGrattan

12 This poster presents Fire Dynamics Simulator (FDS) simulations of anerobic, PMMA, gasification tests 13 performed by the National Institute of Standards and...

Evaluating Correlation Between Measurement Samples in Reverberation Chambers Using Clustering

October 17, 2023

Author(s)

Robert Jones, Robert Horansky, Carnot Nogueira, Catherine Remley

Traditionally, in reverberation chambers (RC) measurement autocorrelation or correlation-matrix methods have been applied to evaluate measurement correlation...

Dynamic Range by Design in OTA EVM measurements

October 17, 2023

Author(s)

Paritosh Manurkar, Dan Kuester, Joshua Kast, Rob Horansky

We present an experimental approach to design an over-the-air (OTA) millimeter-wave measurement of error vector magnitude (EVM) and associated uncertainties...

A Measurement-Referenced Error Vector Magnitude for Counterfeit Cellular Device Detection

October 17, 2023

Author(s)

Ameya Ramadurgakar, Kate Remley, Dylan Williams, Jake Rezac, MELINDA PIKET-MAY, Rob Horansky

Standard formulations of error vector magnitude compare a wireless device's symbol constellation to an ideal reference constellation. In this work, we utilize...

Frequency combs for precision synthesis and characterization of atomic standards.

October 16, 2023

Author(s)

Tara Fortier

Over the past 20 years optical frequency combs, with atomic clocks, have been a powerful and enabling technology in the context of time and frequency...

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