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Fault Detection and Diagnosis of an Air Handling Unit Based on Rule Bases  

한도영 (국민대학교 기계ㆍ자동차공학부)
주명재 (국민대학교 기계공학과 대학원)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.14, no.7, 2002 , pp. 552-559 More about this Journal
Abstract
The fault detection and diagnosis (FDD) technology may be applied in order to decrease the energy consumption and the maintenance cost of the air conditioning system. In this study, rule bases and curve fitting models were used to detect faults in an air handling unit. Gradually progressed faults, such as the fan speed degradation, the coil water leakage, the humidifier nozzle clogging, the sensor degradation and the damper stoppage, were applied to the developed FBD system. Simulation results show good detections and diagnoses of these faults. Therefore, this method may be effectively used for the fault detection and diagnosis of the air handling unit.
Keywords
FDD; Rule base; Air handling unit; Curve fitting model; Residual; Parity relation;
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  • Reference
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