A Data Structure for Developing Data-Driven Digital Twins
Ouvrage scientifique
Author
Abstract
Digital twins have the potential to revolutionize the way we
design, build and maintain complex systems. They are high-fidelity representations
of physical assets in the digital space and thus allow advanced
simulations to further optimize the behaviour of the physical twin in the
real world. This topic has received a lot of attention in recent years. However,
there is still a lack of a well-defined and sufficiently generic data
structure for representing data-driven digital twins in the digital space.
Indeed, the development of digital twins is often limited to particular
use cases. This research proposes a data structure for developing modular
digital twins that maintain the coherence between the digital and
physical twins. The data structure is based on a hierarchical representation
of the digital twin and its components; the proposed data structure
uses concepts from distributed systems and object-oriented programming
to enable the integration of data from multiple sources. This enables the
development of a digital twin instance of the system and facilitates maintaining
the coherence between the digital twin and the physical twin.
We demonstrate the effectiveness of our approach through a case study
involving the digital twin of an industrial robot arm. Our results show
that the proposed data structure enables the efficient development of
modular digital twins that maintain a high degree of coherence with the
physical system.
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