The origins of the digital twin concept can be traced to NASA’s Apollo project, when a capsule identical to the one in space was kept on Earth to simulate the latter’s behaviour
This anticipated the digital twin notion of having one object simulate the effects of another. Yet the space capsule on Earth was not a digital representation but a physical one.
As of now, there is no standard definition of the concept “digital twin”. In Lewis Carroll’s Alice’s Adventures through the Looking Glass, Humpty Dumpty says: “When I use a word, it means whatever I want it to mean”. In the case of digital twin, the various definitions reflect specific characteristics of the technology’s multiple use cases. Given the rapid evolution of technology, the understanding of the term digital twin has undergone almost constant change. The concept has been blurred and has spawned numerous related terms, such as the Digital Shadow or the Digital Angel, thus hindering precise usage of the term digital twin. Continuar leyendo