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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

A Basic Formal Ontology-Based Ontological Modeling for Plan and Occurrence, a Biomanufacturing Process Verification Use Case

November 13, 2024

Author(s)

Milos Drobnjakovic, Boonserm Kulvatunyou, Dusan Sormaz, Saruda Seeharit

Biomanufacturing has gained significant importance in recent years due to its role in developing new medications, handling pandemics, and increasing the well-being of human populations. The nature of biochemical processes requires complex planning and

KPI Extraction from Maintenance Work Orders-A Comparison of Expert Labeling, Text Classification and AI-Assisted Tagging for Computing Failure Rates of Wind Turbines

December 6, 2023

Author(s)

Marc-Alexander Lutz, Bastian Schafermeier, Rachael Sexton, Michael Sharp, Alden A. Dima, Stefan Faulstich, Jagan Mohini Aluri

Maintenance work orders are commonly used to document information about wind turbine operation and maintenance. This includes details about proactive and reactive wind turbine downtimes, such as preventative and corrective maintenance. However, the

An automated approach for segmenting numerical control data with controller data for machine tools

November 24, 2023

Author(s)

Laetitia Monnier, William Z. Bernstein, Sebti Foufou

Developing a more automated industrial digital thread is vital to realize the smart manufacturing and Industry 4.0 vision. The digital thread allows for efficient sharing across product lifecycle stages. Current techniques are not robust in relating

Using a BDI Agent to Represent a Human on the Factory Floor of the ARIAC 2023 Industrial Automation Competition

September 15, 2023

Author(s)

Leandro Buss Becker, Anthony Downs, Craig I. Schlenoff, Justin Albrecht, Zeid Kootbally, Angelo Ferrando, Rafael Cordoso, Michael Fisher

The "Agile Robotics for Industrial Automation Competition" (ARIAC) is an international robotic competition carried out in a simulated ROS2/Gazebo factory floor. Competitors control a robot, overcoming a range of agility challenges in this simulated

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

Scheduling for Time-critical Applications Utilizing TCP in Software-based 802.1Qbv Wireless TSN

April 28, 2023

Author(s)

Rick Candell, Karl Montgomery, Mohamed Hany, Susruth Sudhakaran, Dave Cavalcanti

Time-sensitive networking (TSN) is emerging as a viable means to achieving deterministic quality of service (QoS) communications within mission critical industrial applications such as feedback control systems, robotics, and precision sensing and actuation

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

Key Elements to Contextualize AI-Driven Condition Monitoring Systems towards Their Risk-Based Evaluation

October 11, 2022

Author(s)

Mehdi Dadfarnia, Michael Sharp

Industrial users can be justifiably hesitant in adopting Condition Monitoring Systems (CMSs) unless evidence indicates benefits from their use. Measuring a CMS's ability to prevent losses is difficult and lacks standard procedures. The increasing

Procedural Guide for System-Level Impact Evaluation of Industrial Artificial Intelligence-Driven Technologies: Application to Risk-Based Investment Analysis for Condition Monitoring Systems in Manufacturing

December 16, 2021

Author(s)

Michael Sharp, Mehdi Dadfarnia, Timothy A. Sprock, Douglas Thomas

Industrial artificial intelligence (IAI) and other analysis tools with obfuscated internal processes are growing in capability and ubiquity within industrial settings. Decision-makers share their concern regarding the objective evaluation of such tools and

Integrating MTConnect and IndoorGML for Asset Monitoring and Indoor Navigation

July 16, 2021

Author(s)

Aaron M. Hanke, Teodor Vernica, William Z. Bernstein

Interoperability across emerging visualization modalities, including augmented reality (AR) and virtual reality (VR), remains a challenge with respect to industrial applications. One critical issue relates to the lack of standard approaches for

Model of Operational Control of Discrete Event Logistics Systems (DELS)

July 8, 2021

Author(s)

Timothy A. Sprock, Conrad Bock

Operations management systems manage flows of work, resources, and information through production and logistics systems, ensuring the correct and efficient execution of requested work. These systems can leverage recent advances in data availability

Online Improvement of Condition-based Maintenance Policy via Monte Carlo Tree Search

June 30, 2021

Author(s)

Michael Hoffman, Eunhye Song, Michael Brundage

Often in manufacturing systems scenarios arise where the demand for maintenance exceeds the capacity of maintenance resources. This leads to the problem of allocating the limited resources among machines competing for them. This maintenance scheduling

Towards a Digital Depot to Support Sustainable ManufacturingDuring Crisis Response

June 23, 2021

Author(s)

KC Morris, Nancy Diaz-Elsayed, Julius Schoop

The COVID-19 pandemic has imposed new challenges to maintaining sustainability in our manufacturing operations. With such high variability in demand for urgently needed products (e.g., personal protective equipment, testing technologies) and shifts in the

Discovering Critical KPI Factors from Natural Language in Maintenance Work Orders

April 22, 2021

Author(s)

Michael Sharp, Michael Brundage, Rachael Sexton, Fnu Madhusudanan Navinchandran

Optimizing maintenance practices is a continuous process that must take into account the evolving state of the equipment, resources, workers, and more. To help streamline this process, facilities need a concise procedure for identifying critical tasks and

A CASE STUDY OF DIGITAL TWIN FOR A MANUFACTURING PROCESS INVOLVING HUMAN INTERACTIONS

December 15, 2020

Author(s)

Hasan Latif, Guodong Shao, Binil Starly

Current algorithms, computations, and solutions that predict how humans will engage in smart manufacturing are insufficient for real-time activities. In this paper, a digital-twin implementation of a manual, manufacturing process is presented. This work (1

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