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Search Publications by: Guodong Shao (Fed)

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Displaying 1 - 25 of 90

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

Digital Twin Core Conceptual Models and Services

November 3, 2023
Author(s)
Shi-Wan Lin, Kym Watson, Guodong Shao, Ljiljana Stojanovic, Bassam Zarkout
To improve operational efficiency and enhance competitiveness in business, organizations are broadly undergoing digital transformation. As a foundation for digital transformation, digital twins enable system operators to dynamically represent, diagnose

Towards Ontologizing a Digital Twin Framework for Manufacturing

September 21, 2023
Author(s)
Milos Drobnjakovic, Guodong Shao, Ana Nikolov, Boonserm Kulvatunyou, Simon P. Frechette, Vijay Srinivasan
This paper presents a timely opportunity to ontologize a digital twin frame-work for manufacturing using recently published international standards and proposes a collaborative research effort to accomplish this task. The ISO/IEC 21838 series of standards

DATA REQUIREMENTS FOR DIGITAL TWINS IN ADDITIVE MANUFACTURING

June 15, 2023
Author(s)
Shaw C. Feng, Albert T. Jones, Guodong Shao
The number and types of sensors used to monitor additive manufacturing (AM) processes and parts in real time are growing. The emerging digital twins (DTs) associated with the data collected by those sensors and the functions that use that data as inputs

BUILDING A DIGITAL TWIN OF AN AUTOMATED ROBOT WORKCELL

May 26, 2023
Author(s)
Deogratias Kibira, Guodong Shao, Rishabh Venketesh
Building a digital twin of a manufacturing system can positively impact its performance with respect to productivity, energy consumption, product quality, and cost. However, leveraging available methods and tools to build a digital twin has been a

A Methodology for Digital Twins of Product Lifecycle Supported by Digital Thread

February 8, 2023
Author(s)
Laetitia Monnier, Guodong Shao, Sebti Foufou
The technological advancement has led to the transition of manufacturing industries to Smart Manufacturing and Industry 4.0. Promising concepts such as Digital Twin and Digital Thread could help speed up the transition. One of the benefits of using digital

CREDIBILITY CONSIDERATION FOR DIGITAL TWINS IN MANUFACTURING

December 16, 2022
Author(s)
Guodong Shao, Joe Hightower, William Schindel
Digital Twin has become an important technology for advanced manufacturing. However, to ensure that digital twins provide valuable decision support, the results generated by the digital twins must be trustworthy for real manufacturing systems. Model

BUILDING A DIGITAL TWIN FOR ROBOT WORKCELL PROGNOSTICS AND HEALTH MANAGEMENT

December 15, 2021
Author(s)
Deogratias Kibira, Guodong Shao, Brian A. Weiss
The application of robot workcells increases the efficiency and cost effectiveness of manufacturing systems. However, during operation, robots naturally degrade leading to performance deterioration. Monitoring, diagnostics, and prognostics (collectively

Using Simulation and Digital Twins to Innovate: Are We Getting Smarter?

December 15, 2021
Author(s)
Simon Taylor, Bjorn Johansson, Sumin Jeon, Loo Hay Lee, Peter Lendermann, Guodong Shao
Digital Twins have recently emerged as a major new area of innovation. Digital Twins are often found at the core of "smart" solutions that have also emerged as major areas of innovation. Modeling and Simulation (M&S) approaches create a model of a real

Use Case Scenarios for Digital Twin Implementation Based on ISO 23247

May 4, 2021
Author(s)
Guodong Shao
As a key part of digital transformation, digital twin is an important concept for achieving smart manufacturing. However, there remains a lot of confusion about the digital twin concept and how it can be implemented in real manufacturing systems

A Case Study for Modeling Machine Tool Systems Using Standard Representations

December 9, 2020
Author(s)
Maja V. Baerring, Guodong Shao, Moneer Helu, Bjorn Johansson
It is challenging to represent a complete machining tool system including geometric and kinematics information to support different decisions including purchasing, scheduling, and routing. A model of a fully assembled machining system in a neutral format

DIGITAL TWIN FOR SMART MANUFACTURING: THE PRACTITIONER'S PERSPECTIVE

November 18, 2020
Author(s)
Maja Barring, Guodong Shao, Bjorn Johansson
The manufacturing sector is experiencing a technological paradigm shift, where new digital technologies can help digitalize product design, production systems, and manufacturing processes and generate more data. One of the essential technology concepts for

Uncertainties for Machine Tool Modeling

September 30, 2020
Author(s)
Guodong Shao, William Stann
Machine tool models play an important role to support decision-making for machine tool procurement, process planning, and production scheduling in manufacturing. However, it is challenging to have a machine model that is accurately and dynamically

A Decision Support Methodology for Integrated Machining Process and Operation Plans for Sustainability and Productivity Assessment

April 12, 2020
Author(s)
Qais Hatim, Christopher Saldana, Guodong Shao, Duckbong Kim, KC Morris, Paul Witherell, Sudarsan Rachuri, Soundar Kumara
In this paper, a systematic methodology is presented to enable environmental sustainability and productivity performance assessment for integrated process and operation plans at the machine cell level of a manufacturing system. This approach determines

FRAMEWORK FOR A DIGITAL TWIN IN MANUFACTURING

April 11, 2020
Author(s)
Guodong Shao, Moneer M. Helu
Digital twin has the potential to be an important technology for achieving smart manufacturing. However, there remains a lot of confusion about the concept and how it can be implemented in real manufacturing systems, especially among small-to-medium

DIGITAL TWIN FOR SMART MANUFACTURING: THE SIMULATION ASPECT

December 11, 2019
Author(s)
Guodong Shao, Sanjay Jain, Christoph Laroque, Loo Hay Lee, Peter Lendermann, Oliver Rose
The purpose of this panel is to discuss the state of the art in digital twin for manufacturing research and practice from the perspective of the simulation community. The panelists come from the US, Europe, and Asia representing academia, industry, and

Testing of the MTConnect - OPC-UA Companion Specification

June 14, 2019
Author(s)
Ryan Fisher, Guodong Shao
Smart Manufacturing (SM) is the future of the manufacturing industry. Seamless, accurate, and fast connection and communications among devices are critical for SM. By leveraging information technologies, devices can dynamically communicate with each other