Simulation and Control of One-room Heating, Ventilation and Air-conditioning System

Abstract

In the present study, a practical model of one-room thermodynamic behavior is proposed handling different dynamic modes of operation of air-conditioner and the corresponding adapted controllers. The developed model is based on the algorithm of Van Schijndel coupling the CFD modelling with SimuLink environment. A S-function block has been programmed which provides 5 input entities and 8 output entities to the Sfunction block thus simulating conditions close to the practice including unavoidable perturbation and constituting a MIMO system. The optimal position of the sensor has been achieved and the corresponding characteristics and optimal performance of standard PID/PI controller have been tuned in attempt to reach maximum comfort and cost effective conditions.