基于无线传感器网络的温室温湿度监测系统研究(3)

2020-11-28 23:46

ResearchofGreenhouseTemperatureandHumidity

SystemBasedonMonitoringWireless

AbstractSensorNetworks

Inmodemlarge-sizedgreenhouse,oneofthekeyresearchsubjectsistorisewirelessmeasurement

monitoringnetwork.Adoptingcanwirelesssensornetworkintechnology,thecablegreenhousemanualsystemsolvessomeproblemsexistingnetworkandmeasurement,realizesnetworkinformationautomaticmanagement,andimprovetheleveloffacilityagriculturalproduction.

Firstly,accordingtothedesignrequirementsofhardwareandsoftwaresystem,thisdissertation

wirelessdiscussestheresearchschemeofgreenhousesmonitoringsystemonbasedonsensornetwork.Onthisbasis,theresearchfocusesthehardwaredesignofthe

asnodesystemwhichtakestemperatureandhumiditysensor,AVRATmegal28LandCC2400

thecomponents,andthetransplantationofTinyOSoperatingsystem

Secondly,inordertoreducethedataredundanciesandimprovethemeasurementprecision,thebasictheoriesandmethodsofthedatafusiontechnologyinwirelessnetworksisresearchedthatansensorimpmvedadaptivedatafusionalgorithmhasbeenstudied.This

onalgorithmgetstheunbiasedestimatesforeverynodeviaiterativemethodbased

testingdata,andmakestheEuclideandistancebetweennodesandestimate

moreaccurateresultsareasthenodethereliability,obtainedthroughthefusionprocessing

sensorFinally,inordertoobtainthereal timedatabywireless

onnetwork,amethodbasednetworkinmiddlewareisintroducedformonitoringsoftwareofwireless

sensorsensorLabVIEW.ThesoftwarereadsXMLsockettoobtainwirelessnetworkdatathatthroughstandard

cangeneralinterfaceprovidedbymiddleware.Consequently,thesystemvisualmanagement

beconvenientrealized

Keywords:Wireless

LabVll3:Wsensornetworks,Greenhouse,TemperatureandHumidity,Datefusion,


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