Background: In order to meet the air-conditioning temperature control requirement and save
energy, the mathematical model of the plant and the heater temperature control system is constructed
according to the principle of energy conservation on the basis of the characteristics of plant airconditioning
Methods: According to this model, the conventional PID control and expert PID controller simulation
are performed in the article. The influence of above control methods on the temperature control is
summarized by analyzing and comparing the simulation results.
Conclusion: Practice has proved that the temperature control method used is reliable and effective.
Keywords: Air-conditioner, temperature control, fresh air, expert PID, air-conditioning simulation, system modeling.
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