Digital twin - Concepts and terminology

ISO/IEC 30173:2023 establishes terminology for digital twin (DTw) and describes concepts in the field of digital twin, including the terms and definitions of digital twin, concepts of digital twin (e.g. digital twin system context, life cycle process for digital twin, types of digital twin), functional view of digital twin, and digital twin stakeholders.
This document can be used in the development of other standards and in support of communications among diverse, interested parties or stakeholders.
This document is applicable to all types of organizations (e.g. commercial enterprises, government agencies, not-for-profit organizations).

General Information

Status
Published
Publication Date
06-Nov-2023
Current Stage
PPUB - Publication issued
Start Date
17-Nov-2023
Completion Date
07-Nov-2023
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ISO/IEC 30173
Edition 1.0 2023-11
INTERNATIONAL
STANDARD
colour
inside
Digital twin – Concepts and terminology

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ISO/IEC 30173
Edition 1.0 2023-11
INTERNATIONAL
STANDARD
colour
inside
Digital twin – Concepts and terminology

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 35.020 ISBN 978-2-8322-7680-8

– 2 – ISO/IEC 30173:2023 © ISO/IEC 2023
CONTENTS
FOREWORD . 4
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
3.1 General terms . 6
3.2 Data-related terms . 9
3.3 Model-related terms . 9
3.4 Performance-related terms . 9
3.5 Application-related terms . 10
4 Symbols and abbreviated terms . 11
5 Concepts . 12
5.1 General . 12
5.2 Advantages and benefits of digital twin . 12
5.3 Digital twin and related concepts. 13
5.3.1 Digital twin and the semiotic triangle . 13
5.3.2 Digital twin and use of system control elements in the information model. 14
5.3.3 Digital twin and simulation . 15
5.3.4 Digital twin and cyber-physical system . 15
5.3.5 Digital twin and Internet of Things . 16
5.4 Digital twin applications . 16
5.4.1 General . 16
5.4.2 Manufacturing . 16
5.4.3 Buildings and civil infrastructure . 17
5.4.4 Healthcare . 17
5.4.5 Cities . 17
5.5 Digital twin system context . 17
5.5.1 General . 17
5.5.2 Digital twin system . 18
5.5.3 Services . 18
5.5.4 Application domains. 18
5.5.5 Infrastructure . 18
5.5.6 System aspects . 19
5.6 Life cycle process for digital twin . 19
5.7 Types of digital twin . 20
5.7.1 General . 20
5.7.2 Component digital twin . 20
5.7.3 Asset digital twin . 20
5.7.4 System digital twin . 20
5.7.5 Process digital twin . 20
6 Digital twin stakeholders . 20
6.1 General . 20
6.2 Digital twin system stakeholders . 21
6.2.1 Developers . 21
6.2.2 Resource providers. 21
6.2.3 Integrators . 21

6.2.4 Users . 21
6.2.5 Operators . 21
6.3 Ecosystem partners . 22
6.3.1 Infrastructure provider . 22
6.3.2 Service provider . 22
6.3.3 Standards development organization . 22
6.3.4 Government and community . 22
7 Functional view of digital twin . 22
Annex A (informative) Definition of digital twin in different standards . 24
Annex B (informative) Semiotics . 25
B.1 Introduction of the semiotics . 25
B.2 Digital twin and the semiotic morphisms . 26
B.3 Relationship between digital twin system context and semiotic triangle . 27
Bibliography . 28

Figure 1 – Digital twin system context diagram . 18
Figure 2 – Digital twin life cycle phases . 19
Figure 3 – Digital twin stakeholders . 21
Figure 4 – Functional view of digital twin . 22
Figure B.1 – Use case ‘Jaguar in the garage’ mapped onto the three semiotic domains . 25

Table A.1 – Definition of digital twin in different standards . 24

– 4 – ISO/IEC 30173:2023 © ISO/IEC 2023
DIGITAL TWIN – CONCEPTS AND TERMINOLOGY

FOREWORD
1) ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission)
form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC
participate in the development of International Standards through technical committees established by the
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ISO/IEC 30173 has been prepared by subcommittee 41: Internet of Things and Digital Twin, of
ISO/IEC joint technical committee 1: Information technology. It is an International Standard.
The text of this International S
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