Layers and components
The smart building digital twin can be categorized into four layers:
Figure 8.2 – Digital twin information layers
The digital twin comprises data collected from all aspects of a building. To simplify the visualization of data, digital twin information layers represent the different categories. On the operation technology side, the physical asset layer collects data from the numerous different types of equipment, machines, and tools in the building and their connected infrastructure. All the building’s systems, such as HVAC, security, fire, and access, comprise the building systems layer.
On the information technology side, a building’s financial, operations, and business support systems, such as email and databases, are represented in the enterprise layer. People tracking, location, health, and well-being form the people layer. Together, these disparate systems deliver information that is typically presented...
