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Abstract

An apparatus for detecting faults of components monitored by a building management system (BMS), including an automatic fault detection (AFD) element that monitors data samples generated by the BMS indicating operative states of the components, and that determines if components are faulty. The AFD element includes a run time modeling element and a fault detection algorithm element. The run time modeling element employs the data samples and synthesized datapoints as inputs to execute fault algorithms retrieved from a system model, and generates outputs that indicate if the components are faulty, where employment of the synthesized datapoints increases fault coverage, resulting in a reduction of false alarms. The fault detection algorithm element employs normalized and standardized datapoints representing the data samples and the synthesized datapoints to automatically select the fault algorithms for storage in the system model, where the fault algorithms are selected from a standard fault algorithm data base.

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First Claim