Abstract

It is very difficult to accurately control the speed of paper roller and sword roller of the paper cutting machine, and the proportions of two paces control have greater randomness. Alterable fuzzy-PID (proportion integral derivative) control arithmetic is put forward based on PLC. The alterable fuzzy controller and the PI adjustor are realized by PLC (Programmable Logic Controller). The satisfied results are achieved with PID control and adaptive fuzzy control. The simulation results show that the two schemes are satisfying. And the two schemes have their own characteristics.

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