While there are several ways of explaining Digital Twins, I like this simple explanation from TWI:
A digital twin is a digital representation of a physical object, process or service. A digital twin can be a digital replica of an object in the physical world, such as a jet engine or wind farms, or even larger items such as buildings or even whole cities.
As well as physical assets, the digital twin technology can be used to replicate processes in order to collect data to predict how they will perform.
A digital twin is, in essence, a computer program that uses real world data to create simulations that can predict how a product or process will perform. These programs can integrate the internet of things (Industry 4.0), artificial intelligence and software analytics to enhance the output.
With the advancement of machine learning and factors such as big data, these virtual models have become a staple in modern engineering to drive innovation and improve performance.
In short, creating one can allow the enhancement of strategic technology trends, prevent costly failures in physical objects and also, by using advanced analytical, monitoring and predictive capabilities, test processes and services.
According to Siemens, Digital twin in manufacturing also known as Industry 4.0 technologies empowers intelligence to interconnected machines in the shop floor enabling them to orchestrate and execute the whole production in an efficient manner. Even though increasing connectivity, computing power, advanced multi-physics simulation tools, IoT and new levels of automation permits realizing holistic digital twin in manufacturing, companies still struggle due to the intricate nature of the complex systems, lack of consistent framework and the precise level of integration between physical and digital domains, data exchange and to some extent the maturity of the technologies.
This video below explains the concept of Digital Twins nicely:
Siemens also explains it nicely in their video below:
If you are interesting is learning more, TWI certainly provides a lot more details here.
You can learn more about Digital Twins in the 6G Training Course Part 3: 6G Use Cases & Applications
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