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Conferences

Analysis of potential energy savings from air sealing retrofits of commercial buildings

October 17, 2019

Author(s)

Steven Emmerich, Lisa Ng

The National Institute of Standards and Technology (NIST) has previously demonstrated that, despite assumptions to the contrary, typical modern commercial...

Using co-simulation between EnergyPlus and CONTAM to develop IAQ and energy-centric demand-controlled ventilation systems

October 16, 2019

Author(s)

Maria Alonso, William Stuart Dols, Hans M. Mathisen

Buildings account for approximately 40 % of energy use in the European Union. In light of the Energy performance of buildings directive (EPBD), efforts are...

Clustering and Representation of Time-Varying Industrial Wireless Channel Measurements

October 14, 2019

Author(s)

Mohamed Hany, Rick Candell, Yongkang Liu

The wireless devices in cyber-physical systems (CPS) play a primary role in transporting the information flows within such systems. Deploying wireless systems...

Optical Frequency Comb Generation Utilizing Mach-Zehnder Modulator and Multi-Laser Sources

October 8, 2019

Author(s)

Abdella Battou, Driss El Idrissi

Optical Frequency Comb Generation Utilizing Mach-Zehnder Modulator and Multi-Laser Sources

A Simulation Platform to Study the Human Body Communication Channel

October 7, 2019

Author(s)

Kamran Sayrafian, Katjana Krhac, Gregory Noetscher, Dina Simunic

Human Body Communication (HBC) is an attractive low complexity technology with promising applications in wearable biomedical sensors. In this paper, a simple...

On Wackers Essential Equation in the Extrapolation Measurement Technique

October 6, 2019

Author(s)

Alexey J. Yuffa

The generalized three-antenna method is a standard method for measuring on-axis gain and polarization of an antenna without a priori knowledge. The cornerstone...

Light-Shift Suppression with Novel Variants of Adaptive Ramsey Spectroscopy

October 3, 2019

Author(s)

Moshe Shuker, Juniper Pollock, John Kitching, Elizabeth Donley, Rodolphe Boudot, V. I. Yudin, A. V. Taichenachev

We present a brief review of the rapidly growing field of autobalanced Ramsey spectroscopy followed by a detailed discussion and review of two novel techniques...

Multipath Mitigation from FM-AM Correlation

October 3, 2019

Author(s)

Archita Hati, Craig W. Nelson

Multipath is one of the limiting factors for an accurate outdoor and indoor localization. We proposed an approach that uses a multipath mitigation derived from...

Design of an intelligent PYTHON code to run coupled and license-free finite-element and statistical analysis software for calibration of near-field scanning microwave microscopes

October 2, 2019

Author(s)

Jeffrey T. Fong, N. Alan Heckert, James Filliben, Pedro V. Marcal, Samuel Berweger, Thomas Mitchell (Mitch) Wallis, Pavel Kabos

To calibrate near-field scanning microwave microscopes (NSMM) for defect detection and characterization in semiconductors, it is common to develop a parametric...

Feasibility Study of Compton Imaging for PGAA

October 1, 2019

Author(s)

Heather H. Chen-Mayer, Steven Brown, Hao Yang

We are developing a one-sided tomographic method for imaging prompt gamma rays, without moving the source, sample, or detector, in a standard prompt gamma...

The Role of Carbon Dioxide in Ventilation and IAQ Evaluation: 40 years of AIVC

October 1, 2019

Author(s)

Andrew K. Persily, William S. Dols, Steven J. Emmerich, Lisa C. Ng

The purpose of this summary is to review Air Infiltration and Ventilation Centre activities, as reflected in its publications, related to indoor carbon dioxide...

QUANTUM-LIMITED 2D SENSORS FOR PH AND BIOSENSING

September 27, 2019

Author(s)

Arvind K. Balijepalli, Son T. Le, Harish C. Pant, Curt A. Richter

We have developed biosensors based on dual-gated field-effect transistors (FETs) that operate at the quantum capacitance limit. The FETs are fabricated with...

Agreement Behavior of Isolated Annotators for Maintenance Work-Order Data Mining

September 27, 2019

Author(s)

Emily Hastings, Thurston Sexton, Michael Brundage, Melinda Hodkiewicz

Maintenance work orders (MWOs) are an integral part of the maintenance workflow. These documents allow technicians to capture vital aspects of a maintenance job...

Studies to Predict Maintenance Time Duration and Important Factors From Maintenance Workorder Data

September 26, 2019

Author(s)

Fnu Madhusudanan Navinchandran, Michael E. Sharp, Michael P. Brundage, Thurston B. Sexton

Maintenance Work Orders (MWOs) are a useful way of recording semi-structured information regarding maintenance activities in a factory or other industrial...

A demonstration of Low Power Wide Area Networking for city-scale monitoring applications

September 25, 2019

Author(s)

Sebastian Barillaro, Dhananjay Anand, Avi Gopstein, Julian Barillaro

Networks of sensors are key components of an Internet of Things. This paper outlines a demonstration of a wireless technology called LoRa/LoRaWAN that may be...

Categorization Errors for Data Entry in Maintenance Work-Orders

September 24, 2019

Author(s)

Thurston B. Sexton, Melinda Hodkiewicz, Michael P. Brundage

In manufacturing, there is a significant push toward the digitization of processes and decision making, by increasing the level of automation and networking via...

In-Plane Shear Response of GFRP Laminates by ± 45° and 10° Off-axis Tensile Testing using Digital Image Correlation

September 23, 2019

Author(s)

Matthias J. Merzkirch, Qi An, Aaron M. Forster

For the determination of the shear strength, strain and modulus of reinforced composites, nearly a dozen measurement techniques exist, several of which are...

ROTDIF-web and ALTENS: GenApp-based Science Gateways for Biomolecular Nuclear Magnetic Resonance (NMR) Data Analysis and Structure Modeling

September 23, 2019

Author(s)

Yuexi Chen, Cheol Jeong, Alexey Savelyev, Susan T. Krueger, Joseph E. Curtis, Emre H. Brookes, David Fushman

Proteins and nucleic acids participate in essentially every biochemical process in living organisms, and the elucidation of their structure and motions is...

A proposed mapping method for aligning machine execution data to numerical control code

September 23, 2019

Author(s)

Laetitia Monnier, William Z. Bernstein, sebti foufou

The visions of the digital thread and smart manufacturing have boasted the potential of relating downstream data to upstream decisions in design. However, to...

RADNNET-MBL: A NEURAL NETWORK APPROACH FOR EVALUATION OF ABSORPTIVITY AND EMISSIVITY OF NON-GRAY COMBUSTION GAS MIXTURE BETWEEN FINITE AREAS AND VOLUMES

September 20, 2019

Author(s)

Wai Cheong Tam, Walter W. Yuen

RADNNET-MBL (RADiation-Neural-NETwork with Mean-Beam-Length) is developed to provide a computationally efficient and accurate method for the evaluation of...

Generating Synthetic Sensor Data to Facilitate Machine Learning Paradigm for Prediction of Building Fire Hazard

September 20, 2019

Author(s)

Wai Cheong Tam, Thomas G. Cleary, Yujun Fu

This paper presents a learning-by-synthesis approach to facilitate the utilization of machine learning paradigm to enhance situational awareness for fire...

Machine Learning based Continuous Knowledge Engineering for Additive Manufacturing

September 19, 2019

Author(s)

Hyunwoong Ko, Yan Lu, Paul W. Witherell, Ndeye Y. Ndiaye

Additive manufacturing (AM) assisted by a digital twin is expected to revolutionize the realization of high-value and high-complexity functional parts on a...

Investigation of Deep Learning for Real-Time Melt Pool Classification for Additive Manufacturing Final

September 19, 2019

Author(s)

Zhuo Yang, Yan Lu, Ho Yeung, Sundar Krishnamurty

Consistent melt pool geometry is an indicator of a stable laser powder bed fusion (L-PBF) additive manufacturing process. Melt pool size and shape reflect the...

Effect of Measurement and Sampling Strategy in Surface Analysis of Laser Powder Bed Fusion Additive Manufacturing of Nickel Superalloy 625

September 18, 2019

Author(s)

Jason C. Fox, Adam L. Pintar

As parts built through additive manufacturing (AM) increase in complexity, the development and understanding of appropriate methods to characterize the as-built...

On-chip Silicon Photonics Radiation Sensors

September 18, 2019

Author(s)

Nikolai N. Klimov, Zeeshan Ahmed, Lonnie T. Cumberland, Ileana M. Pazos, Ronald E. Tosh, Ryan P. Fitzgerald

We have examined the impact of cobalt-60-ray radiation up to 1 megagray (MGy) absorbed dose on silicon photonic devices. We do not find any systematic impact...

Evaluating Sensor Algorithms to Prevent Kitchen Cooktop Ignition and Ignore Normal Cooking

September 18, 2019

Author(s)

Amy E. Mensch, Anthony P. Hamins, John Lu, Wai Cheong Tam

Cooking equipment is involved in nearly half of home fires in the USA, with cooktop fires the leading cause of deaths and injuries in cooking-related fires [1]...

The Chemical Structure of a Medium-Scale Pool Fire

September 16, 2019

Author(s)

Ryan L. Falkenstein-Smith, Kunhyuk Sung, Jian Chen, Anthony P. Hamins

Platform-Independent Debugging of Physical Interaction and Signal Flow Models

September 16, 2019

Author(s)

Mehdi Dadfarnia, Raphael Barbau

Systems engineering tools are used to organize development activities of a wide variety ofen gineers, many of which develop their own discipline-specific...

Measurement of Drag Coefficients through Vegetation Canopy

September 16, 2019

Author(s)

Ryan L. Falkenstein-Smith, Kevin B. McGrattan

Dual Cavity Refractivity measurements using a single Laser

September 15, 2019

Author(s)

Kevin O. Douglass, Jacob Edmond Ricker, Stephen Eckel, Jay H. Hendricks

We present a method for measuring refractivity-based pressure changes using a dual Fabry-Perot cavity utilizing a single laser with off-set sideband locking to...

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