Fuzzy Logic Control and Fault Detection in Centralized Chilled Water System

The objective of this work is to develop and implement a fuzzy controller and fuzzy fault detection for centralized chilled water system. Both controller and fault detector are implemented in supply air dampers of air handling unit (AHU). A few cases are tested in this paper to investigate the effectiveness of the developed systems. All simulation is carried out using MATLAB/SIMULINK. Results illustrate that the fuzzy controller is able to maintain rooms' temperature according to desired temperature whereas the fault detection can detect unusual behavior in supply air flow rate.

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