Patent ID: 11953871
Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 12:
13. An environmental control system of a building, the system comprising:
building equipment that operates to affect a variable state or condition of a zone of the building; and
a controller comprising a processing circuit configured to perform operations comprising:
parsing a computer-aided design (CAD) file or a building information model (BIM) file for the building to identify the building equipment that operates to affect the variable state or condition of the zone;
generating one or more zone models describing one or more control relationships between the building equipment and the variable state or condition of the zone based on the CAD file or the BIM file;
using the one or more zone models to perform a model-based operation for the building equipment;
determining if any properties of the building equipment cannot be obtained based on the CAD file or the BIM file; and
in response to a determination that one or more properties of the building equipment cannot be obtained based on the CAD file or the BIM file, triggering a system identification experiment to obtain the one or more properties.