Early warning signals of failures in building management systems | International Journal of Metrology and Quality Engineering (IJMQE)

Topical Issue - Advances in Metrology and Quality Engineering

Open Access

Fig. 1

Plot of sensor variables affecting room temperature. (a) Supply Air Temperature (SAT) and Outside Air Temperature (OAT) in degrees Celsius. (b) Percentage of opening for each of the heating and cooling valves. Plot window starts at 5:30 AM of the 25th of January 2019, 64 hours prior to the failure.

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