Fuzzy Logic Based Heating and Cooling Control in Buildings Using Intermittent Energy

Energy-saving technologies for heating and cooling systems in buildings have received much attention. Energy saving is even more important in the heating and cooling systems of intermittent use places such as mosques. Because the stop-start operation of the mechanical systems causes the overall efficiency to decrease even more, and the thermal comfort of the environment cannot be provided. In order to save energy and adapt to variable environmental conditions, this study investigates the fuzzy logic control structure of the intermittent radiant heating and cooling system. Fuzzy logic control can handle imprecise or uncertain information, making it an effective solution in complex systems where mathematical models are difficult to derive. The control strategies included actual ambient air temperature, outdoor temperature, return water temperature and system on/off timing. Expert knowledge and observations of system performance were used to create fuzzy logic rules. Studies were carried out on the radiant floor heating and cooling system with ground source heat pumps and thermal energy storage of a mosque.