Providing a comfortable indoor temperature in commercial or residential buildings is an extremely important problem. This is directly related to the design of the fast reacted controller for temperature. First, the analysis and building of an interactive nonlinear mathematical model of the required comfort temperature is presented in this paper. Then, the article refers to methods of design of PID controller with self-tuning parameters based on fuzzy logic principles, for heating and cooling processes. Finally, we present the simulation results of a proposed fuzzy-PID controller in Matlab, and analyze experimental results for a 6-month period by applying the proposed system, and conclude the research results.
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