外文翻译--关于花草自动浇水系统研究Word文件下载.docx
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外文翻译--关于花草自动浇水系统研究Word文件下载.docx
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专 业
班 级
学生姓名学 号
指导教师
Research automaticwateringsystem
1introduction
Withthesocialmodernizationstepspeedingup,automationhasbecomeadevelopmenttopicsintoday'
sworld.Flower'
sgrowthneedstohavecertainenvironmentalconditions,theseconditionsaremainlytemperature,moisture,illumination,aircomposition,composition,physicalandmechanicalpropertiesofsoilandnutrientsolutiontemperatureandcomposition,etc.Flowerscanbeagoodgrowthismostimportantofwhichisthesuitabilityforsoilmoisture.HowtocontrolsoilmoistureeffectivelyandtimelyproblemhasalreadybecometheflowersAiHuaZhemostissueofconcern.Flowerproverbssaid:
"
don'
tliveinthewater,longisfat"
.Pottedflowersandplantsduetothevolumesmall,poorwaterretentionperformance,largeevaporationnorgroundwatersupplylimitedbycertainconditions,suchasthereason,nottodrought,waterisparticularlyimportant.Ifpottedflowerwater,plantphysiologicalactivitieswilldamageinthebody,theabsorptionofpotassium,boron,calciumphosphateisweak,andthelackoftheseelementscanleadtopoorgrowingpointnearbygrowth.Pottedflowerwatershortagewillcausesoilnutrientconcentrationsarerelativelyhigh,alsoappearthemosteasilyhurt"
fat"
[.Flowersgrow,mostcomefromthesoilabsorption,keepsoilmoisturecontent,appropriateisthenormaldevelopmentofflowersandnecessaryconditionstoobtainhigherGuanShangPinqualitative.Commonflowersaccordingtothewaterrequirementofhabitsandthedifferentwaterenvironmentadaptability,canbedividedintoaquaticflowersandplants,wetflowers,flowersandxerophyticflowersinfour.Theamountofwaterindifferentweneedtowatertheflowersarenotthesameas[3].Differentflowerwaterdemandisdifferent,thesameflowerindifferentgrowthstagerequiredquantityisalsodifferent.Flowersrequirementforsoilwatervariesineachgrowthstage.Weaccordingtothegrowingseasonand
growthperiodofflowerarrange.Tosumup,thereasonablewaterpottedflowerisparticularlyimportant.Withtheconstantimprovementofautomationequipment,allkindsofautomaticwateringtheflowersdevicealsofromtimetotimeintothesociety.Accordingtosoilmoisturesensordesignofautomaticwateringflowerssystemcanaccordingtocropsanddifferentgrowthstagestothespecificneedsofenvironmentalconditions,adjusttocontrolsoilmoistureflowers,lettheflowercangrowwell.
2automaticwateringtechnique
3.1basedonPCtechnologyresearchwiththedevelopmentofcomputertechnologywitheachpassingday,thePCcannotonlyusedinscientificcomputing,dataprocessing,etc.,arewidelyusedinindustrialproductionofautomaticcontrol,automaticwateringflowersrequiresreal-timedetectionofsoilmoisture."
Realtime"
referstothetimelyresponsetoarandomrequestofexternalevents,andfastenoughtocompletetheprocessingofexternalevents,real-timecontrolofallequipmentandreal-timetaskscoordinatedoperation.Themaincharacteristicsofthereal-timesystemisreal-timeandreliability.WiththeconstantimprovementofthePCperformanceandreliability,PCmachinewidelyusedinreal-timesystems,andthecurrentgeneraloperatingsystembasedonPC(suchasWINDOWSsystems)donothavegoodreal-timeperformance,cannotsatisfymosttimingindicatorofreal-timesystems.InordertobeabletorealizethemaincontrolPCandthetaskofdataexchangebetweenPC,WINDOWSandreal-timeoperatingsystemsmustbedevelopedtothecommunicationprotocolofdataexchangeplatform,itcanbebasedonaserialport,parallelport,networkadapterandUSBI/Odevices,etc.3.2basedonthePICmicrocontrollertechnologyresearchofPICseriessinglechipmicrocomputerisproducedbyMicrochipcompaniesintheUnitedStates,isoneofthemostwidelyusedPIC16C57MCUseries,thereisalotofabouttheapplicationofthesingle-chipmicrocomputer.ThemicrocontrollerusingconciseRISCstructure,twostageinstructionpipeline,structurecanbecompletedinaperiodatthesame
timetheexecutionofaninstructionandthenextinstructiontotake;
Usingharvardstoragestructureofdoublebus,thedataandinstructionscompletelyseparatedfromthetransferbus,avoidtheoccurrenceofthebottleneckproblems;
Itselfwith8-bitA/Dconversionparts,withthesynchronousserialportmodule.Solvedthesensordetectionbyscaling,displayshowsgarbled,duetointerferenceofelectromagneticvalveactuatorsaresomeproblemssuchaswrongoperation,suchasautomaticwateringsystemabletobetteruseandflowers,buttraditionalprogrammingand51MCUhascertaindifference,can'
tquicklygrasp.3.3researchbasedonthetechnologyofMCS-51singlechipmicrocomputerMCS-51seriesmicrocontrolleristhemorefamiliar
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