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Open AccessArticle

Digital Twin Conceptual Model within the Context of Internet of Things

Department of Computer Science and Engineering, American University of Sharjah, Sharjah 26666, UAE
Department of Computer Science, Missouri University of Science and Technology, Rolla, MO 65409, USA
Author to whom correspondence should be addressed.
Future Internet 2020, 12(10), 163;
Received: 11 August 2020 / Revised: 22 September 2020 / Accepted: 24 September 2020 / Published: 26 September 2020
(This article belongs to the Special Issue Feature Papers for Future Internet—Internet of Things Section)
As the Internet of Things (IoT) is gaining ground and becoming increasingly popular in smart city applications such as smart energy, smart buildings, smart factories, smart transportation, smart farming, and smart healthcare, the digital twin concept is evolving as complementary to its counter physical part. While an object is on the move, its operational and surrounding environmental parameters are collected by an edge computing device for local decision. A virtual replica of such object (digital twin) is based in the cloud computing platform and hosts the real-time physical object data, 2D and 3D models, historical data, and bill of materials (BOM) for further processing, analytics, and visualization. This paper proposes an end-to-end digital twin conceptual model that represents its complementary physical object from the ground to the cloud. The paper presents the proposed digital twin model’s multi-layers, namely, physical, communication, virtual space, data analytic and visualization, and application as well as the overlapping security layer. The hardware and software technologies that are used in building such a model will be explained in detail. A use case will be presented to show how the layers collect, exchange, and process the physical object data from the ground to the cloud. View Full-Text
Keywords: Internet of Things; digital twins; smart cities; big data analytics Internet of Things; digital twins; smart cities; big data analytics
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Al-Ali, A.R.; Gupta, R.; Zaman Batool, T.; Landolsi, T.; Aloul, F.; Al Nabulsi, A. Digital Twin Conceptual Model within the Context of Internet of Things. Future Internet 2020, 12, 163.

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