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Hierarchical Rule-Based Fault Detection and Diagnostic Method for HVAC Systems.


pdf icon Hierarchical Rule-Based Fault Detection and Diagnostic Method for HVAC Systems. (2748 K)
Schein, J.; Bushby, S. T.

HVAC&R Research, Vol. 12, No. 1, 111-125, January 2006.

Keywords:

heating; ventilation; air conditioning; fault detection; methodology; simulation; air temperature; water supply; air pressure

Abstract:

A rule-based, system-level fault detection and diagnostic (FDD) method for HVAC systems was developed. It functions as an interface between multiple, equipment-specific FDD tools and a human operator. The method resolves and prioritizes conflicting fault reports from equipment-specific FDD tools, performs FDD at the system level, and presents an integrated view of an HVAC system's fault status to an operator. A simulation study to test and evaluate the method was conducted.