搜索
200799-112-RS232GSMGSMGSMRS232GSMRS2321231.4500522.2550493.066004GSMGSMGSMGSMGSM1974CECS[1]1978[2]20809032070CO290[37]GSM(GlobalSystemforMobilecommunication)GSMGSMGSM1图1主系统结构图GSM2007-02-071962-(E-mail)iesdwang@zzu.edu.cn200799-113-A/DGSMGSMPCGSMGSMSIEMENSGSMTC35EGSM900/GSMl800RS232830V5.630VGSMphase2/2+ATSIMGSMTIMSP430F14916RISC27ADTimerA/BUSART78MSP430F149TC35LM-35DLM-35DCHM-01099%pH0150000LX05V010-305VA/DMSP430F149ADC120.2mVCO22图2基站系统硬件组成GSMTC35ATVisualBasic6.0IARMSP430C430ATPDUAT+CMGS=lenghtCRCRASCII0x0DTC35ASCIIPDUPDUZCRLFOKCRLF3CRLF+CMTISMINDEX()CRLFPDUATAT+CMGR=INDEXCRLFPDUPDU34200799-114-NYModemADC12MEMModemNY图3发送短消息流程图图4接收短消息流程图TC35PCPDUASCIIGSMTC35TC35RS232MSP430F149USARTADC12MEM5图5测控基站程序流程图PCGSMGSMGSMGSMat+cmgs=lengh”后，发送PDU模式的短消息NYTimer1SIM短消息进行解码并显示在界面上YYTimer1SIMNN200799-115-[1],,.[J].2002(5):9-11.[2].[J].,1992(6):108-110.[3],,,.[J].,1998,14(3):197-201.[4],,,.[J].,1999,15(4):162-166.[5],,.[J].,2003,19(4):259-263.[6],,.[J].,2005,24(1):54-56.[7],.[J].,2006(8):163-165ResearchontheSystemofGreenhouseEnvironmentalTemperatureMeasureandControlBasedonMobileCommunicationNetworkWANGSheng-de1,SHENJi2,ZANGHuai-quan31.CollegeofInformationEngineering,ZhengzhouUniversity,Zhengzhou450052,China;2.ElectricandElectroEngineering,ShandongUniversityofTechnology,Zibo255049,China;3.CollegeofElectricEngineering,YanshanUniversity,Qinhuangdao06604,ChinaAbstract:AremotesurveyandcontrolsystemforgreenhousebasedonGSM-SMS(ShortMessageSystem)wasdevelopedinthispaper.Thesystemcomprisesacentrestationandsomebasestations,andwhichrealizedtheparameterinformationcollectionandautoregulation,suchasairtemperature,airhumidity,intensityofillumination,CO2densityinthegreenhouse.Thecentrestationsconsistofaserver,aGSMmoduleandadatabasesystem,andthebasestationconsistofaGSMmodule,asinglechipmicroprocessor,somesensorsandactuators.Modularizationdesignproceduresweretakeninhardwareandembeddedoperatingsysteminsoftwaredevelopment,whichmakethesystemeasytobeextend,maintainandupdate.Theworkcanalsobeusedinreal-timedataanalysisandprocessinwideareas.Keywords:gardening;greenhouseenvironmentmeasureandcontrolsystem;design;GSM;remotesurveyandcontrol111[2],,.[M].:,2004:24-26.[3],.[J].,2003(6):17.[4],,.[J].,2005(1)79-82.[5],.[J].,2005(4):23-24.[6],,.[J].,2005(4):84-86.[7],,.[J].,2005(1):17.AbstractID:1003-188X(2007)09-0109-EAStudyandFabricationofNovelTwo-rowofMaizeHarvestingMachineNIChang-an,DINGHui-ling,LIUShi-duo,SHIQing-xiang,WANGGuo-xin,PANGJing,GAOChun-yan(Vehicle&MotivePowerEngineering,HenanUniversityofScience&Technology,Luoyang471003,China)Abstract:Byimproveondesignofdeviceformaizestalkcomminuting,reducingpowerconsumedofmaizeharvestingmachine.Andadopttractorreverseoperationactivity,small&mediumpowerwheeledtractorthatwasconfiguredfortwo-rowmaizeharvestingmachine,anoveltwo-rowofmaizeharvestingmachinewasstudiedandfabricatedsuccessfully.Fieldtestsindicated,themachinewasoperatedstably.Performanceindicatorsattainnationrelevantstandard.Ithasbetterappliedforeground.Keywords:agriculturalengineering;maizeharvestingmachine;design;two-row;reversetractoroperationactivity;powerconsumed;deviceforstalkcomminuting