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Understanding Digital Twins for Cyber-Physical Systems: A Conceptual Model

  • Tao Yue*
  • , Paolo Arcaini
  • , Shaukat Ali
  • *Corresponding author for this work
  • Nanjing University of Aeronautics and Astronautics
  • Simula Research Laboratory
  • National Institute of Informatics

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Digital Twins (DTs) are revolutionizing Cyber-Physical Systems (CPSs) in many ways, including their development and operation. The significant interest of industry and academia in DTs has led to various definitions of DTs and related concepts, as seen in many recently published papers. Thus, there is a need for precisely defining different DT concepts and their relationships. To this end, we present a conceptual model that captures various DT concepts and their relationships, some of which are from the published literature, to provide a unified understanding of these concepts in the context of CPSs. The conceptual model is implemented as a set of Unified Modeling Language (UML) class diagrams and the concepts in the conceptual model are explained with a running example of an automated warehouse case study from published literature and based on the authors’ experience of working with the real CPS case study in previous projects.

Original languageEnglish
Title of host publicationLeveraging Applications of Formal Methods, Verification and Validation
Subtitle of host publicationTools and Trends - 9th International Symposium on Leveraging Applications of Formal Methods, ISoLA 2020, Proceedings
EditorsTiziana Margaria, Bernhard Steffen
PublisherSpringer Science and Business Media Deutschland GmbH
Pages54-71
Number of pages18
ISBN (Print)9783030837228
DOIs
StatePublished - 2021
Externally publishedYes
Event9th International Symposium on Leveraging Applications of Formal Methods, Verification and Validation, ISoLA 2020 - Rhodes, Greece
Duration: 20 Oct 202030 Oct 2020

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume12479 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference9th International Symposium on Leveraging Applications of Formal Methods, Verification and Validation, ISoLA 2020
Country/TerritoryGreece
CityRhodes
Period20/10/2030/10/20

Keywords

  • Conceptual model
  • Cyber-physical systems
  • Digital twins

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