徐州国家粮库无线粮情测控系统的设计与实现

《徐州国家粮库无线粮情测控系统的设计与实现》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、太原理】：人。了：硕十研究生学位论文controllinggrainsituation．Inrecentyears，aswirelesssensornetworktechnologyisgraduallyappliedtothefieldofmeasuringandcontrollinggrainsituation，ithasdevelopedwirelessgrainsituationmeasuringandcontrollingsystembasedontheIEEE802．14．2technicalstandardandtheZigBeewirelessprotocolstack

2、．Thecommunicationdistanceoftheabove—mentionedwirelesssystemislimited，whichcannotmeetthedevelopmentneedsofthemodemlarge—scalegraindepot．Thegoalofthisthesisistodesignalow—powerwirelessgrainsituationmeasuringandcontrollingsystemtomeetthedevelopmentneedsofthemodernlarge—scalegraindepot．Firstly,theth

3、esisintroducedthebackground，thesignificance，andtheresearchstatusofgrainsituationmeasuringandcontrollingsystem，andthebasicconceptofwirelesssensornetwork．Secondly,throughtheanalysisofapplicationenvironmentofgrainsituationmeasuringandcontrolingsystemandthechoiceofcommunicationmode，thethesisdetermin

4、edtheoverallstmctureofwirelessgrainsituationmeasuringandcontrollingsystem．Thirdly,thethesisintroducedthehardwareandsoftwaredesignofWirelesssensornetworknode．Finally,thethesiscompletedthetestingandtheoverallevaluationofwirelessgrainsituationmonitoringandcontrolsystem．Intermsofhardwaredesign，theth

5、esisselectedSil000chipsystemproducedU．S．Siliconlabs，inc．asthemaincontrolchip．TheSil000integratesthehigh—performance，ultra—lowpowerdissipation，8bitCIP一51coremicrocontrollerC8051F9XX，andthe240—960MHzEZRadioPROSeriesRF太原理1人学硕十研究生学位论文transceiver．Itsbarrier—freetransmissiondistancereaches2．2kinandits

6、ultra-Iowpowerconsumption(thenodewhichcanbepoweredbytwobatteriescouldworkfor4-5years)，whichmakeitmeetthedesignrequil’ementoflow—powerwirelessgrainsituationmeasuringandcontrollingsystemforlarge—scalegraindepot．Inaddition，thethesisalsocompletedthedevelopmentofpestsensor，whichfillstheblankofdomesti

7、cgrainsituationmeasuringandcontrolingsysteminthefieldofmonitoringpests．intermsofsoftwaredesign，thesystemusesacross—layeroptimizationcommunicationprotocol—EZMACImproved．EZMACImprovedisbasedontheEZMACPro，whichisawirelesscommun