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Summary:
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A digital twin is the digital representation of an observable object with data connections that enable convergence between the physical and digital states at an appropriate rate of synchronization. Also, a digital twin has the capabilities of connection, integration, analysis, simulation, visualization, optimization and provides an integrated view throughout the life-cycle of the observable objects. The digital twin can provide real-time monitoring and proactive control, predictive maintenance by data analytics, cost and downtime reduction, and so on. Due to these benefits, various industries have adopted the digital twin technology.
The smart cities and communities may have many kinds of cross domain problems, such as manufacturing, transportation, energy and safety, and it is difficult to resolve these problems by individual digital twin system. To solve them, the digital twin systems in various domains can be federated.
The federated digital twin systems collect and analyse the information of various domains, provide the solution for the problems, and simulate the effects. The functions for digital twin federation are registration, discovery, connection and utilization. First, each digital twin system registers its federation-related capabilities in registry. Then digital twin federation discovers specific digital twin which provides capabilities needed. After discovery, it can be connected and utilized to solve cross domain problems.
This Recommendation defines the requirements for digital twin federation.
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