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1、NewEnvironmentParametersMonitoringAndControlSystemForGreenhouseBasedOnMaster-slaveDistributedAbstract--Accordingtotheactualneedofmonitoringandcontrolofgreenhouseenvironmentparametersinruralareas,amaster-slavedistributedmeasurementandcontrolsystemisdesign
2、ed,inwhichPCistakenasthehost.ThesystemconsistsofPC,soilmoisturemeasurementandcontrolmodule,temperatureandhumidity,andCO2monitoringandcontrolmodule.Inthesystem,PChaslargeamountofdatastoragewhichiseasytomakeuseoffuzzycontrolexpertsystem,configurationsoftwa
3、re-KingViewisusedtodevelopsoftwareforPC,bywhichthedevelopmentcycleisshortenandafriendlyhuman-computerinteractionisprovided.EachmonitoringandcontrolmoduleconsistsofSTC12seriesofmicrocontrollers,sensors,relaysetc.Differentmodulesareselectbasedontheneedifsy
4、stemtoachievecontrolgreenhouseinpartitionandblock.I.INTRODUCTIONTomodernindooragriculture,theautomaticmeasurementandcontrolofenvironmentparametersisthekeytoachievecropyieldandqualityofgreenhouse.Inrecentyears,facilitiesagriculturedevelopsvigorouslyinourc
5、ountry,matchedwithit,themonitoringandcontrolinstrumentofgreenhousehavealsomadecertaindevelopment.Afternearly10yearsofunremittinghardwork,ourresearchteamofmeasurementandcontrolsystemofagricultureenvironmentparameters,designedanintelligentmeasurementandcon
6、trolsystemofdistributioncombinedofgreenhousewhichcanbepopularizedinthevastruralareas.Thissystemismainlycontroloftemperature,humidity,CO2concentration,soilmoistureandilluminationofgreenhouse.OFSCM,asthedatastorageissmall,displayinterfaceissingle,amountofi
7、nformationislimited,butitscapabilitypriceratioishigh,soitisusedasafrontunitofdataacquisitionandcontrol;andofPC,ithasalargeamountofdatastorage,richsoftware,convenienthuman-computerinteraction,andsoon.Ifweuseoutdatedandlow-pricedPC,takingthePCastheuppermac
8、hine,takingthedifferentfunctioncontrolmodulescomposedofmultiplemicrocomputersasthelowermachines,thenamaster-slavedistributedandintelligentcontrolsystembasesonmicrocomputerismadeup,bywhichbothbettermonitoringandcontrol,disp
