智能阀门设计与控制方法研究  

Research on Intelligent Valve Design and Control Method

作　　者：邵曙 潘益茅 吕志翼 宋吉利 洪卫 SHAO Shu;PAN Yimao;Lü Zhiyi;SONG Jili;HONG Wei(Zhejiang Baide Automation Instrument Co.,Ltd.,Wenzhou 325000,China;Zhejiang Zhongde Automatic Control Scienec and Technology Joint Stock Co.,Ltd.,Huzhou 313100,China;Chaoyi Valve Co.,Ltd.,Wenzhou 325000,China)

机构地区：[1]浙江百得自动化仪表有限公司,浙江温州325000 [2]浙江中德自控科技股份有限公司,浙江温州313100 [3]超一阀门有限公司,浙江温州325000

出　　处：《计算机测量与控制》2022年第5期87-91,共5页Computer Measurement &Control

摘　　要：为了满足智能阀门在工业生产中极高的应用标准,进行研究了智能阀门设计与控制方法,设计了智能阀门硬件系统,包括电气转换模块、微处理器、信号处理模块和阀位反馈模块4个部分,以主控制器LPC2290为核心,以及A/D转换器和CAN总线进行通信,实现了智能阀门的控制功能,为了提高智能阀门控制的精确度,文章利用PID控制器和FUZZY-PI复合算法,通过PID控制的基本原理和稳定边界法整定PID控制参数的过程,完成PID控制器的设计,再结合FUZZY-PI复合算法实现智能阀门的偏差判别与条件控制和多路转换开关与信号的转换,实现智能阀门的高精度控制,最后设计了智能阀门定位器系统,实现了智能阀门的精准定位与自我诊断功能,实验表明,智能阀门设计与控制系统在4 s时就能够达到控制稳定,并且控制精确度可高达95%。In order to meet the extremely high application standard of smart valve in industrial production,the design and control method of smart valve have been studied,and the smart valve hardware system has been designed,including electrical conversion module,microprocessor,signal processing module and valve position feedback module,with the main controller LPC2290 as the core,and the A/D converter and CAN bus for communication,the intelligent valve control function is realized.In order to improve the accuracy of intelligent valve control,the PID controller and the FUZZY-PI compound algorithm are used in this paper,Through using the basic principles of PID control and the process of tuning PID control parameters by the stable boundary method,the design of PID controller is completed,and then the FUZZY-PI compound algorithm is combined to realize the deviation judgment and condition control of intelligent valve and the conversion of multiple conversion switches and signals.In order to realize the high-precision control of smart valve,and finally the smart valve positioner system is designed to realize the precise positioning and self-diagnosis function of smart valve.Experiments show that the smart valve design and control system can achieve control stability and 4 s of control time.The accuracy can be high up to 95%.

关 键 词：智能阀门 控制 定位器 PID控制器 FUZZY-PI 

分 类 号：TH17[机械工程—机械制造及自动化]