电气设备在线监测的无线传感器网络节点及通信协议研究

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1、重庆大学硕士学位论文英文摘要ABSTRACTWiththerapiddevelopmentofnationaleconomy,moreandmoreelectricpowerisneededinChina．Therequirementofelectricpowersystemrunningreliabilityisimprovedcontinuously．On—linemonitoringofelectricalequipmentisallimportantmeal'lStopreventelectricpowersystemf

2、ailures．Currently,thecommunicationsoflargeelectricalequipmenton-linemonitoringismainlywired,whichhasthefeatureofcomplexwiringandincreasingvulnerabilities，andmakemaintenanceandmendhard．Wirelesssensornetwork(ws}oiSanewcontrolnetworktechnology,whichintegratesensortechno

3、logy,embeddedcomputertechnology,modernnetworktechnology,wirelesscommunicationtechnologyanddistributedintelligentinformationprocessingtechnology．Itisanexcellentmethodtoovercometherestrictions．Theself-organization,adaptabilityandflexibilitytopologyofWSNCangreatlyenhanc

4、ereliabilityofon-linemonitoringsystem．Thus，weproposetouseaWSNforelectricalequipmenton-linemonitoring．Themaincontentsinthispaperareasfollows：Firstly,thefeasibilityoftheapplyingWSNforelectricalequipmenton·linemonitoringisanalyzed。TheprinciplesofWSNnodedesignaresummariz

5、ed．Inaddition，therequirementsofWSNnodedesigningforelectricalequipmenton-linemonitoringisproposed．Secondly,onthebaseoffamiliaritywiththeWSNnodehardwareframeworkandanalysisofhardwarecomponentsoftheexistingnodesandrelatedtechnologyofthelatestnodes，aswellastheanalysisofe

6、xistingdeficienciesofthesenodes，aspecificnodehardwareimplementationprogramisproposed．ThroughthefamiliarTinyOSarchitectureandtheusageoftheprogramminglanguagenesC，aswellastheknownTinyOStransplantationmethodsoftheexistinghardwareplatforms，andonthebaseofthehardwareresour

7、cesofthenode，themodulesonthehardwarepresentationlayer(阳?L)andthehardwareabstractionlayer(HAL)ofTinyOSisprogrammed，whichisneededbythishardwareplatform．Atlast，theTinyOSisembeddedintothehardwareplatformsuccessfully．Finally，bylearningprotocolsinprotocolstackwhichrequired

8、forstructuringanetwork,someprotocolswhichalemoresuitabletousingforthenetworkisselected,andareimplementedbythenesC．Onthisbasis，acros