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A Simulator Coupling Architecture for the Creation of Digital Twins

: Kuhn, Thomas; Antonino, Pablo Oliveira; Bachorek, Adam


Muccini, Henry (ed.):
Software Architecture. 14th European Conference, ECSA 2020. Proceedings : Tracks and Workshops, L’Aquila, Italy, September 14-18, 2020
Cham: Springer Nature, 2020 (Communications in computer and information science 1269)
ISBN: 978-3-030-59154-0 (Print)
ISBN: 978-3-030-59155-7 (Online)
European Conference on Software Architecture (ECSA) <14, 2020, Online>
Fraunhofer IESE ()
simulator coupling; digital twins; components ; CBSE

Digital Twins are digital representations of real-world entities. Their behavior resembles the behavior of the real entity at all times. They are candidates for the evaluation of complex adaptive embedded systems, for example in the domains of autonomous driving, or industry 4.0 production systems. However, as most simulators are specialized and only simulate selected aspects of a system with highest accuracy, the creation of a Digital Twin requires the coupling of simulators and their simulation models. Related work indicates that this is still a labor-intensive and manual task. In this paper, we present an architecture framework that transfers approaches from Component-Based Software Engineering to simulator coupling. Simulators are encapsulated as simulation components with defined interfaces. The creation of a Digital Twin is supported by orchestrating simulation components. We present the formal definition of simulation components and our simulation framework, as well as the rules for coupling simulation components into Digital Twins.