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The conventional PID control based on precise mathematical model is difficult to guarantee heating process requirements because the heat treatment furnace with large inertia and time delay of nonlinear and time-varying characteristics. Designed the heating furnace fuzzy control system based on PIC16F877 MCU with the functions of data acquisition, furnace temperature control and fault detection. The...
Designed a parameter self-tuning PID-controller based on fuzzy control, which can adjust PID-parameters according to error and change-in-error. A simulation study of the system shows that the controller possesses both the precise character of PID controller and the flexible advantage of fuzzy controller. It can eliminate the steady error of the system promptly.
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