Fuzzy-PID Control Application in Temperature Automation Control System of Tunnel Kiln

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Abstract:

Considering the tunnel kiln temperatures characteristics of time varying nonlinear,large inertia and uncertainty, it is hard to establish accurate mathematical model, and affect the adjustment of the control system. Frequency conversion motor adjust the size of the gas and air flow to change the temperature in the system.Conventional PID have the parameter coupling problem,the control speed is slow and the overshoot amount is big.So the paper design a fuzzy PID, combined with the certainly of PID control and the intelligece of the fuzzy control.It makes a effective self-tuning of the PID controlled parameters. Through Matlab simulation experiment, it show the fuzzy PID control can reduce the overshoot time and the overshoot amount ,enhance the stability of the system effectively.

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466-471

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October 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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