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Architecting Digital Twins
Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation.ORCID iD: 0000-0003-3683-8174
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-8027-0611
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-1687-930X
2022 (English)In: IEEE Access, E-ISSN 2169-3536, Vol. 10, p. 50335-50350Article in journal (Refereed) Published
Abstract [en]

In 2002, Grieves defined the concept of the digital twin as a virtual instance of physical assets capable of continuously mirroring them. Ever since then, driven by remarkable industrial attention, digital twins flourished and ripened in several sectors. The notable industrial adoption has been sided by a growing interest from the software engineering community in general and the software architecture community in particular as demonstrated by the growing number of published peer-reviewed publications and proposed software architectural solutions for digital twins. In this paper, we report on the planning, execution, and results of a systematic mapping study on architecting digital twins. The study captures crucial aspects of software architectures for digital twins as types of architectural solutions, quality attributes, and architectural patterns. It supports practitioners in creating digital twins tailored to their specific needs and researchers in identifying trends and open challenges. Starting from an initial set of potentially relevant 1630 peer-reviewed publications, we selected 140 primary studies. We analysed the set of primary studies using thorough data extraction, analysis, and synthesis process. To compensate for single method limitations and reduce possible threats to conclusion validity, we discussed the results of our study with experts in the software architecture community. Based on our results, the field of software architecture for digital twins is lively and an increasing number of architectural solutions are being proposed. Although there is a lack of widely accepted reference architectural solutions for digital twins, most of them are built using a combination of the layered and service-oriented patterns and address maintainability, performance efficiency, and compatibility quality attributes.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2022. Vol. 10, p. 50335-50350
Keywords [en]
Digital twin, Systematics, Software architecture, Computer architecture, Standards, Market research, Planning, Architectural patterns, software architectures, quality attributes
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:mdh:diva-58351DOI: 10.1109/ACCESS.2022.3172964ISI: 000797418000001Scopus ID: 2-s2.0-85130855388OAI: oai:DiVA.org:mdh-58351DiVA, id: diva2:1662852
Available from: 2022-06-01 Created: 2022-06-01 Last updated: 2023-09-15Bibliographically approved
In thesis
1. Towards a Standards-Based Architecture for Digital Twins Facilitating Interoperability
Open this publication in new window or tab >>Towards a Standards-Based Architecture for Digital Twins Facilitating Interoperability
2023 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Digital transformation is rapidly changing the business landscape, compellingcompanies to invest in it due to its several benefits, such as reduced time-to-value, improved quality, and the ability to overcome hardware limitations. Aprominent technology enabling digital transformation is digital twin. A digitaltwin is a virtual representation of a physical asset, system, or process, usedfor monitoring and controlling purposes. Implementing digital twins requirestackling challenging engineering tasks such as establishing accurate digitalrepresentations of physical systems or ensuring live data synchronization. Suchchallenges are exacerbated by a lack of research on software architecturesthat meet required quality attributes, their actual implementation, and otherengineering tasks. Software architectures serve as a blueprint and foundationfor building software-intensive systems that meet specific requirements. Theyprovide a comprehensive overview of a system components, their properties,and relationships. Reference architectures, which are based on establishedbest practices in a given domain, help in reasoning about a class of softwarearchitectures and facilitate the engineering of software-intensive systems such asdigital twins. Given the above premises, the ultimate goal of this research is todefine a standard-based reference architecture for digital twins in manufacturingto improve interoperability. We use existing standards as common ground tofacilitate technology transfer between academia and industry. In addition, wefocus on interoperability as it is a crucial quality attribute affecting the functionalsuitability and performance efficiency of digital twins.

Place, publisher, year, edition, pages
Västerås: Mälardalens universitet, 2023
Series
Mälardalen University Press Licentiate Theses, ISSN 1651-9256 ; 342
National Category
Computer Systems
Research subject
Computer Science
Identifiers
urn:nbn:se:mdh:diva-62423 (URN)978-91-7485-599-9 (ISBN)
Presentation
2023-06-20, Kappa, Mälardalens universitet, Västerås, 09:15 (English)
Opponent
Supervisors
Available from: 2023-05-09 Created: 2023-05-08 Last updated: 2023-05-30Bibliographically approved

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Ferko, EnxhiBucaioni, AlessioBehnam, Moris

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