叶片线松散回潮工序加水系统设计与优化

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1、descriptsthenetworkconfigurationsoftwaredesign,PLCprogram,themonitoringsystemsoftware.Byexperimentalverification,theprocesscapacityofthemoisturecanbeeffectivelyimprovedbyusingthenewdesignedPIDcontrolsystem,withSystemstability,highdegreeofautomation.Keywords:Looseningandconditioningprocessste

2、p；PIDcontrol；moistureoftobacco；目录1绪论........................................................................................................11.1松散回潮背景.....................................................................................11.2水分控制国内外现状............................................

3、..............................21.2.1传统水分控制模型.................................................................21.2.2国外某烟机制造企业的水分控制模式....................................31.2.3串级PID控制模式................................................................41.3本文主要工作....................................

4、.................................................52现有加水控制系统问题分析..................................................................62.1引言....................................................................................................62.2术语介绍.................................................

5、...........................................62.3现状分析............................................................................................62.4原因分析............................................................................................92.4.1松散回潮工序工艺流程.................................

6、.........................92.4.2供料输送段物料流量的稳定性分析.....................................102.4.3松散回潮加水控制系统稳定性分析.....................................102.4.3.1现有加水控制方式介绍...........................................112.4.3.2加水量跟踪准确性验证...........................................112.4.3.3气动薄膜阀定位准确性验证.....

7、...............................132.4.3.4出口水份仪测量准确性验证....................................152.4.3.5控制滞后性分析.......................................................172.5本章小结................................................................................