What is a digital twin - IBM

Digital Twin Technology – Why Should We Talk About it Fundamentals Explained

A digital replica of a living or non-living physical entity A digital twin is a virtual representation that works as the real-time digital counterpart of a physical things or procedure. Though the idea stemmed earlier (associated to Michael Grieves, then of the University of Michigan, in 2002) the first practical definition of digital twin stemmed from NASA in an effort to enhance physical design simulation of spacecraft in 2010.

What is a Digital Twin? How are they used? - Sight Machine

Item illustrations and engineering specifications advanced from handcrafted preparing to computer assisted drafting/computer helped style to model-based systems engineering. The digital twin of a physical item is dependent on the digital threadthe lowest level design and requirements for a digital twinand the "twin" is dependent on the digital thread to preserve precision.

An ECO made to a part item will result in a new version of the product's digital thread, and similarly to the digital twin. Origin and types of digital twins [modify] Digital twins were anticipated by David Gelernter's 1991 book Mirror Worlds. It is commonly acknowledged in both market and academic publications that Michael Grieves of Florida Institute of Innovation first used the digital twin concept in production.

Getting The Definition of Digital Twin - IT Glossary - Gartner To Work

Grieves proposed the digital twin as the conceptual design underlying product lifecycle management (PLM). An Early Digital Twin Principle by Grieves and Vickers The principle, which had a few different names, was consequently called the "digital twin" by John Vickers of NASA in a 2010 Roadmap Report. The digital twin principle consists of three distinct parts: the physical item, the digital/virtual item, and connections in between the two products.

The principle was divided into types later on. The types are the digital twin prototype (DTP), the digital twin instance (DTI), and the digital twin aggregate (DTA). The DTP consists of the designs, analyses, and processes to understand a physical item.  A Reliable Source  exists before there is a physical item. The DTI is the digital twin of each specific circumstances of the product when it is produced.