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首页> 外文会议>International conference on computer design >TiLA: Twin-in-the-Loop Architecture for Cyber-Physical Production Systems
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TiLA: Twin-in-the-Loop Architecture for Cyber-Physical Production Systems

机译：TiLA：用于网络物理生产系统的双回路架构

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摘要

Digital twin is a virtual replica of a real-world object that lives simultaneously with its physical counterpart. Since its first introduction in 2003 by Grieves, digital twin has gained momentum in a wide range of applications such as industrial manufacturing, automotive and artificial intelligence. However, many digital-twin-related approaches, found in industries as well as literature, mainly focus on modelling individual physical things with high-fidelity methods with limited scalability. In this paper, we introduce a digital-twin architecture called TiLA (Twin-in-the-Loop Architecture). TiLA employs heterogeneous models and online data to create a digital twin, which follows a Globally Asynchronous Locally Synchronous (GALS) model of computation. It facilitates the creation of a scalable digital twin with different levels of modelling abstraction as well as giving GALS formalism for execution strategy. Furthermore, TiLA provides facilities to develop applications around the twin as well as an interface to synchronise the twin with the physical system through an industrial communication protocol. A digital twin for a manufacturing line has been developed as a case study using TiLA. It demonstrates the use of digital twin models together with online data for monitoring and analysing failures in the physical system.
机译：数字孪生是现实世界对象的虚拟副本，它与物理对象同时存在。自从Grieves于2003年首次引入数字孪生以来，数字孪生在各种应用（例如工业制造，汽车和人工智能）中获得了发展势头。但是，在行业和文献中发现的许多与数字双胞胎相关的方法，主要集中在使用具有有限可伸缩性的高保真方法对单个物理事物进行建模。在本文中，我们介绍了一种称为TiLA（双回路架构）的数字双机架构。 TiLA利用异构模型和在线数据来创建数字孪生模型，该模型遵循全球异步本地同步（GALS）计算模型。它有助于创建具有不同级别抽象模型的可伸缩数字孪生，并为执行策略提供GALS形式主义。此外，TiLA还提供了围绕双胞胎开发应用程序的设施，以及通过工业通信协议将双胞胎与物理系统同步的接口。使用TiLA的案例研究开发了用于生产线的数字双胞胎。它演示了如何使用数字孪生模型以及在线数据来监视和分析物理系统中的故障。

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