无线传感器网络目标跟踪性能优化及仿真.pdf

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1、第28卷第4期传感技术学报Vo1．28No．42015年4月CttlNESEJOURNALOFSENSORSANDACTUATORSApr．2015PerformanceOptimizationandSimulationBasedonTargetTrackinginWirelessSensorNetworksCHENYanjun，ⅣQuan，WANGZheng(1．KeyLaboratoryofPhotoElectricityGasandOilLoggingandDetectingnofEducation，Xi’anShiyouUniversity，Xi’an710072，Chi

2、na；2．]nstltuteofControlandbfornuaion，SchoolofAutomation，NorthwesternPolytechnicalUniversity，Xi’an710065，China)Abstract：Sensorsshouldbeselectedelaboratelytofulfilthesensingtaskinwirelesssensornetworkssensorselec·，tioniSbasedonthetradeofbetweeninformationutilityachievedbythesensormeasureandener

3、gyoverhcadtofetchthemeasure．Buttheusers’requirementsforqualityofservice(QoS)aren'tyetinvolvedintheprocessofsensorcol—laboration．AnovelalgorithmnamedA-DCS(AdaptivelyDynamicCollaborativeSelf-organization)isproposedbasedontargettrackinginthispaper．Detectionandestimationcanbesolvedatthesametinein

4、thisalgorithm．Giventhethresholdofdetectionprobabilitythesetofcandidatesensornodescanbeconfirmed，thesensornodewiththemaxi．mumdetectionprobabilityisselectedtobetheclusterhead．Thenthesequenceofclustermembersparticipatinginthesensingtaskcanbemadeadaptivelyaccordingtothegiventhresholdofestimationv

5、ariable，SOthetotalnumberofclustermembershouldbeascertainedinourmethod，andthecorrespondingenergyconsumptionisgivenout．Ba—singontheenergyconsumptionundertheconditionofdifferentdetectionprobabilityandestimationaccuracytheap·propriatedetectionprobabilityandestimationaccuracyshouldbechosentoprolon

6、gthelifetimeofnetworks．Simula—tionresultsdemonstratethatthisalgorithmissuperiortoIDSQandDCSintermsofthetrackingaccuracyandtheenergyconsumption．Thismethodcanalsobeusedintheproblemofestimationinwirelesssensornetwork．Keywords：wirelesssensornetworks；self-organization；targettrackingEEACC：7230doi：1

7、0．3969／j．issn．1004-1699．2015．04．016无线传感器网络目标跟踪性能优化及仿真水陈延军，潘泉，王征(1．西安石油大学光电油气测井与检测教育部重点实验室，西安710065；2．西北工业大学自动化学院控制与信息研究所，西安710072)摘要：无线传感器网络中传感器节点相互协同完成感知任务，以传感器量测的信息效用和获取量测的能量消耗来折中地选择参与的节点，但用户对服务质量Qos(QualityofService)的需求并没有在节点选择时得以体现。为此本文以目