資源描述:
《無線傳感器網(wǎng)絡(luò)目標(biāo)跟蹤性能優(yōu)化及仿真.pdf》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、第28卷第4期傳感技術(shù)學(xué)報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無線傳感器網(wǎng)絡(luò)目標(biāo)跟蹤性能優(yōu)化及仿真水陳延軍,潘泉,王征(1.西安石油大學(xué)光電油氣測井與檢測教育部重點實驗室,西安710065;2.西北工業(yè)大學(xué)自動化學(xué)院控制與信息研究所,西安710072)摘要:無線傳感器網(wǎng)絡(luò)中傳感器節(jié)點相互協(xié)同完成感知任務(wù),以傳感器量測的信息效用和獲取量測的能量消耗來折中地選擇參與的節(jié)點,但用戶對服務(wù)質(zhì)量Qos(QualityofService)的需求并沒有在節(jié)點選擇時得以體現(xiàn)。為此本文以目