基于PLC的自整定PID算法在废水回收装置的应用

Application of Self Tuning PID Algorithm in Wastewater Recovery Device Based on PLC

PID是一种经典的闭环自动调节算法,在控制系统中应用广泛。首先阐述了在FX2N PLC中采用自整定PID算法实现废水回收装置稳压供水的实现方法,然后研究PLC与触摸屏、变频器的结合使用,此算法可以提高了系统的可靠性和稳定行,并且保证了控制的精度,能为废水回收企业带来可观的经济效益。

PID is a classic algorithm of closed-loop automatic regulation,widely used in the control system.Firstly using self-tuning PID algorithm implementation of wastewater recycling device stabilized water supply in FX2N PLC,then PLC and touch screen,use the frequency combination,this algorithm can improve the reliability and stability of the system,and ensure the precision of control,for wastewater recycling enterprises bring considerable economic benefits.