Abstract
Foundry resistance furnaces are thermal devices with a relatively large
time delay in their response to a change in power parameters.
Commonly used in automation classical PID controllers do not meet the
requirements of high-quality control. Developed in recent years, fuzzy
control theory is increasingly being used in various branches of economy
and industry. Fuzzy controllers allow to introduce new developments in
control systems of foundry furnaces as well. Correctly selected fuzzy
controller can significantly reduce energy consumption in a controlled
thermal process of heating equipment. The article presents a comparison of
energy consumption by control system of foundry resistance furnace,
equipped with either a PID controller or fuzzy controller optimally chosen.
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