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Search Publications

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Displaying 9026 - 9050 of 13224

Agri-Food Supply Chain Traceability Supported by a Formal Ontology: A Grain Elevator to Processor Use Case

August 23, 2023
Author(s)
Farhad Ameri, Evan K. Wallace, Reid Yoder, Frank Riddick
… its processes and lack of a common understanding of steps in a supply chain, and incompleteness of data, and … of the traceability model across all stakeholders in a food supply chain. In previous research, an ontological approach was adopted to … Technical Conferences and Computers and Information in Engineering Conference IDETC-CIE2023 …

Reusable Network Simulation for CPS Co-Simulations

May 9, 2023
Author(s)
Himanshu Neema, Harmon Nine, Thomas Roth
… efforts are often siloed into specific domains (e.g., manufacturing, transportation, and electric grid) due to the … network simulation component that can be readily deployed in CPS co-simulations is lacking due to both the network …

Simulating the Influence of Supporting Electrolyte Concentration on Copper Electrodeposition in Microvias

January 18, 2023
Author(s)
Trevor Braun, Jimmy John, Nagarajan Jayaraju, Daniel Josell, Thomas P. Moffat
… Robust, void-free Cu electrodeposition in high-aspect ratio features relies on careful tuning of … or wafer pattern. Typically, Cu electrodeposition in electronics manufacturing having microscale or larger features (i.e., … Electrolyte Concentration on Copper Electrodeposition in Microvias …

External Load-Based Sensing of Electrical Current Degradation in Industrial Robots

November 3, 2021
Author(s)
Vinh Nguyen, Jeremy Marvel
… Industrial robotic arms are used extensively in sectors including manufacturing, healthcare, and infrastructure. Electrical current sensors located in the joints of industrial robots are critical for … Load-Based Sensing of Electrical Current Degradation in Industrial Robots …

Accelerating Innovation and Commercialization Through Standardization of Microfluidic-Based Medical Devices

January 5, 2021
Author(s)
Darwin R. Reyes-Hernandez, Henne van Heeren, Suvajyoti Guha, Luke Herbertson, Alexios P. Tzannis, Jens Ducr?e, Hugo Bissig, Holger Becker
… field of microfluidics. We describe existing gaps in the standardization of flow control, interconnections, … together to help bridge these gaps and improve efficiency in getting high-quality microfluidic medical devices to …

Rheology of Crystallizing LLDPE

October 8, 2020
Author(s)
Marat Andreev, David Nicholson, Anthony Kotula, Jonathan D. Moore, Jaap Den Doelder, Gregory C. Rutledge
… Polymer crystallization occurs in many plastic manufacturing processes, from injection molding to film … (SCB) may be varied to influence crystallization. In this work, we report simultaneous measurements of the …

Contrasting Conventional and Machine Learning Approaches to Optical Critical Dimension Measurements

March 24, 2020
Author(s)
Bryan M. Barnes, Mark Alexander Henn
… dimensions has been conventionally challenged by improved manufacturing, including smaller linewidths, denser layouts, … simulation or as a method to augment nonlinear regression. In this work, both ML approaches are investigated using a … Both accuracy and uncertainty must be addressed in OCD while balancing simulation versus ML computational …

Certification of SRM 2493:Standard Reference Mortar for Rheological Measurements

October 4, 2017
Author(s)
Alex Olivas, Chiara C. Ferraris, Nicos Martys, Edward Garboczi, Blaza Toman, William L. George
… are often performed using a rotational rheometer. In this type of rheometer, the tested fluid is sheared … and they cannot be used for the large volumes employed in concrete rheometers. Furthermore, the oils do not contain … will mark the third stage. This third stage is currently in progress. The purpose of this report is to describe the …

Molecular Rigidity, Excess Entropy, and Enthalpy-Entropy Compensation in DNA Melting

September 24, 2017
Author(s)
Jack F. Douglas, Fernando Vargas-Lara, Francis W. Starr
… Enthalpy-entropy compensation (EEC) is observed in diverse molecular binding processes of vital importance to living systems and manufacturing applications, but this widely occurring … models of DNA allow us to explore the influence of changes in molecular parameters on the energetic parameters governing …

Investigating Structure and Dynamics of Proteins in Amorphous Phases Using Neutron Scattering

December 21, 2016
Author(s)
Maria Monica Castellanos Mantilla, Joseph Curtis, Arnold McAuley
… In order to increase shelf life and minimize aggregation … as frozen solutions or as lyophilized powders during manufacturing processes. Characterizing amorphous solids can … set of biophysical measurements used to study protein in solution. Therefore, some questions remain about how the …

Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data

July 14, 2016
Author(s)
Thomas D. Hedberg, Sylvere I. Krima, Jaime A. Camelio
… (3D)-product models is hampered by the absence of trust in product-lifecycle-data quality. The root cause of the … trust is years of "silo" functions (e.g., engineering, manufacturing, quality assurance) using independent and … processes. Those disconnected processes result in data exchanges that do not contain all of the required …

INTEGRATING RULE-BASED SYSTEMS AND DATA ANALYTICS TOOLS USING OPEN STANDARD PMML

August 3, 2015
Author(s)
Yunpeng Li, Utpal Roy, Yung-Tsun Lee, Sudarsan Rachuri
… enrichment and improvement of the predefined knowledge in an expert system with data-driven insights. However, … the open standard PMML (Predictive Model Mockup Language) in integrating rule-based expert systems with data analytics … tasks. We present a process planning use case in the manufacturing domain, which is originally implemented as a …

Descriptive Metadata Requirements for Long-term Archival of Digital Product Models

February 25, 2009
Author(s)
Joshua Lubell, Ben Kassel, Sudarsan Rachuri
… ranging from computer-aided design, engineering, and manufacturing software to product data and lifecycle … The challenges of archiving this information are evident in the U.S. Navy s Torpedo Weapon Retriever (TWR) data set. In order to build an effective archival information system …

A Collection of Homes to Represent the U.S. Housing Stock

August 1, 2008
Author(s)
Andrew K. Persily, Amy Musser, Dennis D. Leber
… In order to allow nationwide analysis of ventilation and indoor air quality issues in residential buildings, a set of homes has been defined to … suite of homes. Among the key characteristics addressed in defining these homes are age, floor area, number of …

Thermo-viscoelastic Analysis and Creep Testing of Ambient Cure Epoxy Adhesives Used in Construction Applications

July 30, 2008
Author(s)
Joannie W. Chin, Donald L. Hunston, Aaron M. Forster, Justin M. Ocel, Jean M. Hartmann, Paul Fuchs
… Epoxies are increasingly used in construction for structural applications and properties … compliance of the two systems. Differences were observed in the dynamic mechanical properties of the two adhesive systems as well as in their estimated creep compliance behavior, which were …

Extraction of trench geometry and linewidth of nanoscale grating targets in (110)-oriented silicon using angle-resolved scatterometry

June 9, 2008
Author(s)
Heather J. Patrick, Thomas A. Germer, Michael W. Cresswell, Bin Li, Huai Huang, Paul S. Ho
… optical techniques is an area of continued interest in semiconductor manufacturing. In the current work, we have performed angle-resolved … trench geometry and linewidth of nanoscale grating targets in (110)-oriented silicon using angle-resolved scatterometry …

Nanoimprint Lithography for the Direct Patterning of Nanoporous Interlayer Dielectric Insulator Materials

March 28, 2008
Author(s)
Hyun Wook Ro, Hae-Jeong Lee, Eric K. Lin, Alamgir Karim, Daniel R. Hines, Do Y. Yoon, Christopher L. Soles
… the potential to simplify fabrication processes and reduce manufacturing costs. However, the prospect of mechanically … organosilicate thin film that is capable, in its non-patterned form, of meeting the ultra-low … 2.3. Immediately after imprinting a (5 to 10) % shrinkage in the pattern height of the partially vitrified patterns …

Assembly Model Representation from Conceptual to the Detailed Design

March 1, 2006
Author(s)
Sudarsan Rachuri, Y H. Han, Sebti Foufou, Shaw C. Feng, Utpal Roy, Fujun Wang, Ram D. Sriram, Kevin W. Lyons
… and more products are designed and manufactured globally in a distributed and collaborative environment. The class structure defined in OAM can be used by designers to collaborate in such an environment. The proposed model includes both … Journal of Computing and Information Science in Engineering …

New NIST Reference Goniospectrometer

August 1, 2005
Author(s)
Gael Obein, Robert R. Bousquet, Maria E. Nadal
… methods. These coatings may exhibit differences in their perceived color with changes in the illumination or viewing angle, or both. Properties such as these have become rudimentary in the production of currency, cosmetics, and retroreflective …

Fabrication of a Guarded-Hot-Plate Apparatus for Use Over an Extended Temperature Range and in a Controlled Gas Atmosphere

June 29, 2005
Author(s)
Robert R. Zarr, Daniel R. Flynn, John W. Hettenhouser, Nolan J. Brandenburg, William M. Healy
… properties of insulation specimens from 90 K to 900 K in a controlled gas atmosphere from 10 -5 kPa to 105 kPa. The … apparatus accommodates flat-slab specimens 500 mm in diameter and from 13 mm to 100 mm in thickness. The plate size of 500 mm was selected based on …
Displaying 9026 - 9050 of 13224
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