Table 7 Methods of fault imposition for each of the multi-zone VAV AHU #2-2 faults.
From: Building fault detection data to aid diagnostic algorithm creation and performance testing
Input Scenarios | Method of fault imposition | ||
|---|---|---|---|
Fault type | Fault intensity | ||
OA Damper | Stuck | Fully closed | Automated override of control signal values to indicate that OA damper is stuck. |
40% open | |||
45% open | |||
55% open | |||
Valve of Heating Coil | Leaking | Stage 1: 1.5 SLM | Manually open heating coil bypass valve |
Stage 2: 3.7 SLM | |||
Stage 3: 7.5 SLM | |||
Valve of Cooling Coil | Stuck | Fully closed | Automated override of control signal values to indicate that cooing coil valve is stuck. |
Fully open | |||
Partially open 15% | |||
Partially open 65% | |||
Unfaulted | — | ||
