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1、NewEnvironmentParametersMonitoringAndControlSystemForGreenhouseBasedOnMaster-slaveDistributedAbstract--Accordingtotheactualneedofmonitoringandcontrolofgreenhouseenvironmentparametersinruralareas,amaster-slavedistributedmeasurementandcontrolsystemisdesigned,inwhichPCis
2、takenasthehost.ThesystemconsistsofPC,soilmoisturemeasurementandcontrolmodule,temperatureandhumidity,andCO2monitoringandcontrolmodule.Inthesystem,PChaslargeamountofdatastoragewhichiseasytomakeuseoffuzzycontrolexpertsystem,configurationsoftware-KingViewisusedtodevelopso
3、ftwareforPC,bywhichthedevelopmentcycleisshortenandafriendlyhuman-computerinteractionisprovided.EachmonitoringandcontrolmoduleconsistsofSTC12seriesofmicrocontrollers,sensors,relaysetc.Differentmodulesareselectbasedontheneedifsystemtoachievecontrolgreenhouseinpartitiona
4、ndblock.I.INTRODUCTIONTomodernindooragriculture,theautomaticmeasurementandcontrolofenvironmentparametersisthekeytoachievecropyieldandqualityofgreenhouse.Inrecentyears,facilitiesagriculturedevelopsvigorouslyinourcountry,matchedwithit,themonitoringandcontrolinstrumentof
5、greenhousehavealsomadecertaindevelopment.Afternearly10yearsofunremittinghardwork,ourresearchteamofmeasurementandcontrolsystemofagricultureenvironmentparameters,designedanintelligentmeasurementandcontrolsystemofdistributioncombinedofgreenhousewhichcanbepopularizedinthe
6、vastruralareas.Thissystemismainlycontroloftemperature,humidity,CO2concentration,soilmoistureandilluminationofgreenhouse.OFSCM,asthedatastorageissmall,displayinterfaceissingle,amountofinformationislimited,butitscapabilitypriceratioishigh,soitisusedasafrontunitofdataacq
7、uisitionandcontrol;andofPC,ithasalargeamountofdatastorage,richsoftware,convenienthuman-computerinteraction,andsoon.Ifweuseoutdatedandlow-pricedPC,takingthePCastheuppermachine,takingthedifferentfunctioncontrolmodulescomposedofmultiplemicrocomputersasthelowermachines,th
8、enamaster-slavedistributedandintelligentcontrolsystembasesonmicrocomputerismadeup,bywhichbothbettermonitoringandcontrol,disp
