大联合车间恒温自动控制系统的设计与应用

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1、昆明理工大学硕士学位论文大联合车间恒温自动控制系统的设计与应用姓名：李玮申请学位级别：硕士专业：控制工程指导教师：戴虽愚;李春20041110Abstract：Thetechnologyindexesoftheconstanttemperaturecontrolsystemintheexactprocessingisdifferentfromtheair-conditioningusedinpublicfacilities．Tomeettherequirementsofenvironmentalcon打

2、ol11ltheprocosshlgworkshopandke印theprocessongconditions．thecomputermonitor,PLC，intelligentsensor,generallinesofindustryspotandlightfibresareusedasawholetoautomaticallycontrolthesystem．Thenthesystemcanrunstablyandreliably．Theconstanttemperaturecontrolsyst

3、emmainlyincludesrefrigeration，ductworkandautomaticcontrolsystem．Accordingly,ConstanttemperaturecontrolsystemofexactprocessingworkshopisthekeyinthewholeuniteworkshopTheunitecentralair-conditioningsystemadoptsconcentrativecentralair-conditioninwhichwindcir

4、clesonetimes．Thesystemhas9air-conditionstocontroltemperatureandhumidity．Withoutspecialrefrigerationair-conditionhouse．itnscsajalousiewindowtocircleairflow，Thecentralair-conditioningsystemUSeSaninconstantwindsystem，tokeepthecontrolqualityoftemperatureandh

5、umidityinthewholeworkshop．A900dconstanttempemlm'econtrolsystemneedsnotonlyniceequipment，butalsoexcellentmanagement．Duetothecomplexityanddecentralizationofthesystem，itisimpossibletooperateeachair．conditionbymanualwork．眦．allbasicoperationshouldbefinishedin

6、acentralcontrolroom，atthemetime，thekeytechnologyind畦cs，runningconditionofcriticalequipmentandalarmorotherabnormitya耻monitoredandflbeordedautomaticallyandcentralized．Thatis，air-conditions’nmprogramshouldbesetaccordingpreviousproduceplan．InawordIitshouldbe

7、highlyautomatic．TokeeptheprocessingqIIality,theair-conditionsystemshouldcontroltheroomtemperatureinaneededscopeduringtheprocessingcourse．Forthebestcontroleffect，afuzzycontrolstrategyisintroducedintheautomaticsystem．9intelligentsensorsdecontralizodineachw

8、orkshopcollectseachworkshop’temperatureinformation．thenthefuzzycontrolmachine