基于PID控制器的化工过程自动控制方法研究  

Research on automatic control method of chemical process based on PID controller

作　　者：梁代华 杨茂平 陈玉虹 周昌林 LIANG Daihua;YANG Maoping;CHEN Yuhong;ZHOU Changlin(Sichuan Province Greatwall Security Affairs Co.,Ltd.,deyang 618000,China)

机构地区：[1]四川省长城安全事务有限公司,四川德阳618000

出　　处：《粘接》2022年第3期162-165,181,共5页Adhesion

摘　　要：在化工领域,通过开展过程自动化控制,有利于提高化工生产的安全性,提高生产效率。基于比例-积分-微分控制器(PID)是一种稳定、可靠的控制器,将其应用于化工过程自动控制中,可以提高化工过程的整体自动控制水平。以化工过程中常用的温度仪表为例,分析基于PID控制器的化工过程自动控制方法,研究提出了一种基于多模稳态PID温度自整定方法,并在Matlab中建立相应的数学模型进行方针模拟分析。仿真结果显示,所输出的结果十分稳定,噪声较小,精度较高,具备一定的实践应用价值。In the field of chemical industry,the development of process automation control is conducive to improve the safety of chemical production and improve production efficiency.Proportion Integration Differentiation(PID)based controller is a stable and reliable controller,and its application in automatic control of chemical process can improve the overall automatic control level of chemical process.This paper analyzes the automatic control method of chemical process based on PID controller by taking the temperature instrument commonly used in chemical process as an example.In this paper,a temperature self-tuning method based on multi-mode steady PID is proposed,and the corresponding mathematical model is established in Matlab for policy simulation analysis.The final simulation results show that the output results are very stable,low noise,high precision,and have certain practical application value.

关 键 词：化工 过程自动控制 PID控制器 

分 类 号：TQ02[化学工程] TP273[自动化与计算机技术—检测技术与自动化装置]