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1、InternationalJournalofElectronicBusinessManagement,Vol.5,No.1,pp.37-47(2007)37REAL-TIMEFINE-GRAINEDMULTIPLE-TARGETTRACKINGONANEXTENSIBLEVIRTUALFABARCHITECTUREUSINGMULTI-AGENTS*Ching-HuLu,Chun-FengLiao,Chao-LinWuandLi-ChenFuDepartmentofComputerScience
2、andInformationTechnologyNationalTaiwanUniversityTaipei(106),TaiwanABSTRACTTheconceptofaVirtualFab(VF)stemsfromtheICindustryandemphasizestheideaofintangiblemanufacturingserviceprovision.Inadditiontosatisfyingcustomersorderfulfillment,providingremotese
3、rviceaccessibilityandreal-timedatagranularitywithgratifyingperformanceandflexibilityareamongmajorchallengesofaVFsystem.Inthispaper,weproposeanarchitectureforaVFbasedonmulti-agentsthatprovidesfine-grainedreal-timemultiple-targettrackingserviceforbotht
4、hecustomersandinternalmanagerialpersonnelofanICfoundry.Eachfunctionmoduleisconstructedasanautonomousagentandperformsdedicatedtasks.Toprovideflexibilityandallowforfutureenhancements,ourproposedextensiblearchitecturealsocanutilizecurrentlyavailableRFID
5、(RadioFrequencyIdentification)techniquestocooperatewithothertrackingsensorsforthepurposeofimprovingtrackingaccuracyandmitigatingthepowerconsumptionissuesinherentinRFIDsystems.Finally,anintegratedsimulationwhichutilizestechnologiesincludingRFID,WebSer
6、vicesandembedded-systemshasalsobeenconductedtodemonstratetheeffectivenessofthisarchitecture.Keywords:VirtualFab,Multi-Agents,SensorFusion,Fine-GrainedMulti-TargetTracking,RFID1.INTRODUCTIONperformanceandflexibilityareamongmajordesign*challengesinaVFs
7、ystem.Inordertodealwiththesechallenges,severalAVF[28,34]meansthattheserviceofanICVFarchitecturesandframeworkshavebeenfoundryissothoroughthatitscustomerscanvirtuallyproposed.Forexample,[29]proposeda3-layeredtakethefoundryastheirownfactory;namely,aVFis
8、VF-enablingframeworkandfabmodel,and[6]afoundrywhichcanbevirtuallyowned,monitoredorcreatedadynamicmodelforVFservices.Inthisevencontrolledbythecustomers.IfsuchaVFisresearch,weproposeaVFarchitectureconsistingofavailable,customerswouldgiveorderstoICvario
