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Displaying 1 - 25 of 611

Innovations in advanced processes and systems for semiconductor manufacturing

June 30, 2026
Author(s)
Albert Shih, Wei Gao, Gregory Vogl, Dragan Djurdjanovic, Takafumi Fukushima, Ajay Malshe
The manufacturing of integrated circuits (ICs) is an enabler of technological innovation and is critical to the resilience of industry and national security. Four levels of excellence are necessary as the foundation for semiconductor manufacturing

Towards a Digital Twin of a Coordinate Measuring Machine

June 18, 2026
Author(s)
Deogratias Kibira, Guodong Shao, Rishabh Venketesh, Emma Bair
This paper presents the development of a digital twin for a Coordinate Measuring Machine (CMM) using open standards and supporting technologies. The approach is demonstrated through a case study in which a compact CMM inspects a machined part. Inspection

Manufacturing USA Program Strategic Plan

March 17, 2026
Author(s)
Robert Rudnitsky, Said Jahanmir, Zahraha Brunner, Kelley Rogers, Michael Molnar, Mai Tran
The Manufacturing USA Program Strategic Plan outlines the program's vision, mission, goals, and objectives for the next four years and describes how the Program will carry them out, including its technology investment strategy, its role in catalyzing

DATA REQUIREMENTS FOR A DIGITAL TWIN OF A CNC MACHINE TOOL

January 29, 2026
Author(s)
Deogratias Kibira, Guodong Shao
Digital twins enable the intelligent operation of computer numerical control (CNC) machine tools from which a wide range of data can be collected using sensors and other Internet of Things (IoT) devices. Creating a valid digital twin for a specific purpose

A review of Disassembly Systems for Circular Product Design

May 1, 2025
Author(s)
Giovanni Formentini, Joao Paulo Jacomini Prioli, Junwon Ko, Buddhika Hapuwatte, Vincenzo Ferrero, Fazleena Badurdeen, Jeremy Rickli, Devarajan Ramanujan
Circular Economy (CE) is described as a means for maintaining products and materials in circulation while regenerating nature. This shift requires considering aspects at the product design phase that were not previously prioritized. One such aspect

SysML Extension for Logistics Modeling and Analysis (SysLMA)

April 23, 2025
Author(s)
Raphael Barbau, Conrad Bock
Many engineers use analysis tools to predict behavior or find optimal values for properties of systems built to proposed designs, informing system design work by identifying cases where a design will perform incorrectly or in suboptimal ways. Design and

Building a Digital Twin of a CNC Machine Tool

December 18, 2024
Author(s)
Deogratias Kibira, Guodong Shao, Rishabh Venketesh, Matthew Triebe
Developing digital twins for manufacturing applications is challenging due to insufficient modeling frameworks and standardized procedures. As a result, the number of successful digital twin implementations has not caught up with the increasing literature

Verifying Executability of SysML Behavior Models Using Alloy Analyzer

November 8, 2024
Author(s)
Jeremy Doerr, Conrad Bock, Raphael Barbau
This report presents an approach to verifying executability of system behavior models by treating them as logical constraint problems solved using Alloy Analyzer, a non-proprietary software tool supporting a textual language for logical constraints and

Economics of Digital Twins: Costs, Benefits, and Economic Decision Making

October 30, 2024
Author(s)
Douglas Thomas
This report examines the economics of digital twins in the manufacturing industry, including the costs, benefits, and economic decision to invest in the adoption of a digital twin. It characterizes the costs and benefits along with the circumstances under

Towards a Digital Twin of a Robot Workcell: Standards and Methods

October 28, 2024
Author(s)
Deogratias Kibira, Guodong Shao, Rishabh Venketesh
Digital twins are poised to improve the way products are designed, manufactured, and managed throughout their life cycle. However, implementing digital twins for small and medium manufacturers (SMM) has been a challenge mainly due to lack of resources and

Digital Twins for Robot Systems in Manufacturing

October 26, 2024
Author(s)
Ali Malik, Guodong Shao, Jane Tarakhovsky
The surging demand for industrial automation is propelling the use of robots, with emerging trends like autonomous mobile robots and collaborative robotic arms swiftly gaining widespread popularity. Simultaneously, a growing focus is on simplifying the

Data Requirements for a Digital Twin of a Robot Workcell

February 1, 2024
Author(s)
Deogratias Kibira, Guodong Shao
The applications of digital twins continue to grow with the volume and variety of data collected. These data support the modeling of function, behavior, and structure of a physical element. However, successfully building a digital twin requires data

Maintenance and Operations of Manufacturing Digital Twins

December 13, 2023
Author(s)
Alp Akcay, Stephan Biller, Boon Ping Gan, Christoph Laroque, Guodong Shao
Digital twins have become an important element in smart manufacturing. As any other product, digital twins also have a lifecycle, starting from specifying the requirements of the digital twins until their decommissioning. As part of the Manufacturing and

Physical Component Libraries for SysPhS Modeling and Simulation in Manufacturing

October 10, 2023
Author(s)
Charles Manion, Conrad Bock, Raphael Barbau
Computer-interpretable representations of system structure and behavior are at the center of developing today's complex systems. Systems engineers create and review these representations using graphical languages and information models that capture

RECENT DEVELOPMENTS IN ONTOLOGY STANDARDS AND THEIR APPLICABILITY TO BIOMANUFACTURING

July 14, 2023
Author(s)
Milos Drobnjakovic, Boonserm Kulvatunyou, Simon P. Frechette, Vijay Srinivasan
ISO and IEC have jointly initiated, and recently issued, a series of standards (the ISO/IEC 21838 series) for top-level ontologies. These standards have been used by industrial consortia to develop and disseminate standards for mid-level ontologies to ease

Current challenges and recent advances on the path towards continuous biomanufacturing

June 21, 2023
Author(s)
Boonserm Kulvatunyou, Milos Drobnjakovic, Nenad Ivezic, Vijay Srinivasan, Roger Hart
Continuous biopharmaceutical manufacturing is currently a field of intense research due to its potential to make the entire production process more optimal for the modern, ever-evolving biopharmaceutical market. Compared to traditional batch manufacturing
Displaying 1 - 25 of 611
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