提灌站无线测控终端的设计分析

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1、西南大学硕士学位论文IIAbstractOurcountryisalargeagriculturalnationwithbigwaterconservancy,whichplaysadecisiveroleinnationaleconomicdevelopment．Ruralirrigationpumpingstationplaysanimportantroleinfieldirrigation．Mostirrigationstationswerebuiltinremoteareas，wheremanageandmaintenan

2、cearenotconducivetoget．Atpresent，manyofthecentralizedpumpingstationarestillinarelativelybackwardstate，andoperatedatlowefficiency,mainlyrelyonmanualoperationandtheoperationprocedures，haslowdegreeofautomation．Lowreliability，thelaborintensityofworkers，seriouswasteofresou

3、rcesandotherdefects，donotfittheneedofmodemdevelopment，especiallyinourcountrybroadandmountainousareas，becauseofthegeographicalrestrictions，pumpingstationsandwaterareseparatedbydistance，increasingthemonitoringdifficulty．Inordertoachieveautomaticcontrolofirrigationstatio

4、ns，improveitsavailability,monitoringandmaintenanceefficiency,AgricultureDepartmentofSichuanProvincialplanstoinstalledwirelesscontrolterminal(pumpingstationterminal)in30typicalelectromechanicalirrigationpumpingstationswhichareinsidetherangeofsixkeycountiesinruralirriga

5、tion．Asdemonstration，thisCanhelprealizeautomationandremotecontrolofpumpingstations，includinginformationtf．ansformation．Theinformationlizeofpumpingstationshouldbebuiltonsocialneedsassessmentsurvey,andtheactualsituationofpumpingstation．Designofthecontrolsystemcanbedivid

6、edintothreeparts，thewirelesscontrolterminalruralofirrigationpumpingstation，managementcenter(irrigationDataPlatform)andmobilemanagementclient．Inthispaper,wirelesscontrolterminal(pumpingstationterminal)ofruralirrigationpumpingstationisthemainobjectofthestudy,whichisdesi

7、gnedbasedonGSMremotemonitoringsystemandmicrocomputerunitofARM7．thecontrolsystemuseGSMmoduletotransmitfielddatabetweenPCandthepumpingstationterminal．Thepumpingstationterminalownthefunctionsofcommunication，measurementandcontrol，recording，andunaRended．Pumpingstationtermi

8、nalisthemainequipmentofsitecontrolsystem．usingLPC2132basedoncoreARM7asthemicrocomputerunit，whichisembeddedintegratedUARTseri