A digital twin is an electronic replica of a living or non-living physical entity.  Digital twins refers to a digital replica of prospective and real physical properties (physical twin), processes, individuals, locations, systems as well as devices that can be utilized for various purposes.  The electronic depiction supplies both the elements and the dynamics of exactly how a Net of things (IoT) gadget operates and lives throughout its life process.  Interpretations of digital twin innovation utilized in prior research stress 2 vital attributes. First of all, each interpretation stresses the link in between the physical design as well as the matching online model or virtual equivalent.  Second of all, this link is established by creating real-time data using sensing units.  The idea of the electronic twin can be compared to other ideas such as cross-reality environments or co-spaces as well as mirror versions, which aim to, mostly, synchronise part of the physical world (e.g., an object or location) with its cyber representation (which can be an abstraction of some elements of the real world).  
Digital twins incorporate IoT, expert system, machine learning as well as software application analytics with spatial network charts  to develop living digital simulation designs that update and also transform as their physical counterparts transform. A digital double continuously finds out and updates itself from numerous sources to represent its near real-time standing, working problem or setting. This discovering system picks up from itself, making use of sensor data that shares various elements of its operating problem; from human specialists, such as designers with deep as well as relevant industry domain understanding; from various other similar devices; from other similar fleets of machines; and also from the larger systems and environment of which it might belong. An electronic twin additionally incorporates historical data from previous equipment use to variable into its digital design.
In different commercial sectors, twins are being made use of to maximize the operation and also upkeep of physical assets, systems as well as manufacturing procedures.  They are a developmental modern technology for the Industrial internet of points (IIoT), where physical objects can live and connect with various other devices and individuals virtually.  In the context of the IoT, they are also described as “cyberobjects”, or “digital characters”.  The electronic double is likewise a component of cyber-physical systems.