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1、NewEnvironmentParametersMonitoringAndControlSystemForGreenhouseBasedOnMaster-slaveDistributedAbstract--Accordingtotheactualneedofmonitoringandcontrolofgreenhouseenvironmentparametersinruralareas,amaster-slavedistributedmeasurementandcontrolsystemisdesigned,inwhichPCistakenasthehost.Thesystemconsist
2、sofPC,soilmoisturemeasurementandcontrolmodule,temperatureandhumidity,andCO2monitoringandcontrolmodule.Inthesystem,PChaslargeamountofdatastoragewhichiseasytomakeuseoffuzzycontrolexpertsystem,configurationsoftware-KingViewisusedtodevelopsoftwareforPC,bywhichthedevelopmentcycleisshortenandafriendlyhum
3、an-computerinteractionisprovided.EachmonitoringandcontrolmoduleconsistsofSTC12seriesofmicrocontrollers,sensors,relaysetc.Differentmodulesareselectbasedontheneedifsystemtoachievecontrolgreenhouseinpartitionandblock.I.INTRODUCTIONTomodernindooragriculture,theautomaticmeasurementandcontrolofenvironmen
4、tparametersisthekeytoachievecropyieldandqualityofgreenhouse.Inrecentyears,facilitiesagriculturedevelopsvigorouslyinourcountry,matchedwithit,themonitoringandcontrolinstrumentofgreenhousehavealsomadecertaindevelopment.Afternearly10yearsofunremittinghardwork,ourresearchteamofmeasurementandcontrolsyste
5、mofagricultureenvironmentparameters,designedanintelligentmeasurementandcontrolsystemofdistributioncombinedofgreenhousewhichcanbepopularizedinthevastruralareas.Thissystemismainlycontroloftemperature,humidity,CO2concentration,soilmoistureandilluminationofgreenhouse.OFSCM,asthedatastorageissmall,displ
6、ayinterfaceissingle,amountofinformationislimited,butitscapabilitypriceratioishigh,soitisusedasafrontunitofdataacquisitionandcontrol;andofPC,ithasalargeamountofdatastorage,richsoftware,convenienthuman-computerinteraction,andsoon.Ifweuseoutdatedandlow-pricedPC,takingthePCastheuppermachine,takingthedi
7、fferentfunctioncontrolmodulescomposedofmultiplemicrocomputersasthelowermachines,thenamaster-slavedistributedandintelligentcontrolsystembasesonmicrocomputerismadeup,bywhichbothbettermonitoringandcontrol,disp
