人體運動參數無線采集系統的研究與設計.pdf

1、浙江大學信息與電子工程學系碩士學位論文人體運動參數無線采集系統的研究與設計姓名：潘新春申請學位級別：碩士專業(yè)：電路與系統指導教師：金文光20100101浙江大學碩十學位論文AbstractThreedimensionalhumancomputerinteractiontechnologybasedonsensorimageprocessingisahotresearchareaathomeandabroadHowevermostcurr

2、entresearchareusingwirednetworktotransmithumanmotionsensingdata，whichbringsalotoftroubleThisprojectraisedamethodtotransmithumanmotionparametersbywirelessnetworkAndtheworkinthispaperistodesignawirelessdataacquisitionsyste

3、m，whichaimsattransmittingthesensordatatoSinknodeTherearethreekindsofnodeinthissystem：sensornode，clusterheaderandSinknodeSensornodecollectshumanmotionparametersClusterheaderreceives，processesandtransmitssensordataSinknode

4、receivessensordatawhichistransmittedbyclusterheaderandtransmitsthedatatoPCmachineBesidesdesigningthehardwareandsoftwareofthesethreekindsofnodes，thispapermainlydiscussescommunicationprotocolofthissystem，andthetimesynchron

5、izationmechanismwhichisanimportantsupporttechnologyforwirelesssensornetworkCommunicationprotocolshouldbedesignedtominimizethenetworkenergyconsumption，andthissystemisonlyneededtoconsidertheissueofsensornodepowerconsumptio

6、nAtthesametime，theprotocolshouldbedesignedtominimizethesystempacketlossrate，packetlossrateisanimportantmeasurementofthecommunicationprotoc01Networkingandcommunicationprocessissimplyasfollows：First，thenodesareinitialized，

7、SinknodeperiodicallysendsbeaconingsignalsSecond，clusterheaderjoinsthenetworkaccordingtoSinknode’Sbeaconingsignal，andthenperiodicallysendsbeaconingsignals，receivesandtransmitssensordataThird，sensornodejoinsthenetworkaccor

8、dingtoclusterheader’Sbeaconingsignal，andthenperiodicallycollectsdataandsendsthemtoclusterheaderTheexperimentalresultsshowthatunderthiscommunicationprotocol，thesensornodehasasmallenergyconsumptionandthesystemhasalowpacket