BOPET薄膜回收造粒机组自动喂料控制方法的改进  

The Improved Method for Auto-feeding Control of BOPETFilm Recycling Pelletizer

作　　者：王丹 薛凯 庞博 WANG Dan;XUE Kai;PANG Bo(Tianhua Chemical Machinery&Automation Institute Co.,Ltd.;Shenyang Turbomachinery Co.,Ltd.)

机构地区：[1]天华化工机械及自动化研究设计院有限公司 [2]沈阳透平机械股份有限公司

出　　处：《化工自动化及仪表》2021年第4期313-317,共5页Control and Instruments in Chemical Industry

摘　　要：介绍了BOPET薄膜回收造粒系统的结构和工作原理,针对系统中传统控制模式存在的问题,引入了PID控制算法和模糊控制算法。实际应用结果表明:机组上料输送不稳定、切割压实机料位不稳定的问题均得到了解决,电机电流控制在120A±6%,成品物料粒子质量满足要求。The BOPET film recycling and pelletizer’s structure and working principle were described.Considering the shortcomings of traditional control system,both PID control algorithm and fuzzy control algorithm were employed for them to show that,the troubles of both unstable feeding conveying and unstable material level of the cutting compactor can be solved and the motor current of cutting compactor is controlled at 120A±6%together with qualified pellets produced.

关 键 词：模糊控制 PID控制 BOPET薄膜 回收造粒 切割压实机 料位 电机电流 

分 类 号：TH862[机械工程—仪器科学与技术] TQ050.425[机械工程—精密仪器及机械]