简介:Inrecentyears,accordingtotheneedofintelligentvideosurveillancesystemincreasingrapidlyinmetropolitancities,adesignbasedonS3C2440microprocessorandembeddedLinuxoperatingsystemisadoptedforreal-timevideotargettracking.However,itisverychallengingasembeddedsystemsusuallyaffordlimitedprocessingpowerandlimitedresources.Therefore,toaddressthisproblem,areal-timetrackingalgorithmusingmulti-featuresbasedoncompressivesensingisproposedandimplemented.Thealgorithmusesmultiplematrixastheprojectionmatrixofthecompressivesensingandthecompresseddateasthemultiplefeaturestoextractusefulinformationneededbytrackingprocess.FunctionsandlibrariesinOpenCVwhichweredevelopedbyIntelCorporationareutilizedforbuildingthetrackingalgorithms.Itistestedwithvariantvideosequencesandtheresultsshowthatthealgorithmachievesstabletrackingforthetargetmovedofthelightchanged.
简介:AbridgearmprototypeofITERpoloidalfield(PF)convertermoduleshasbeendesignedandfabricated.Non-cophasecounterparallelconnectionischosenasthearmstructureoftheprototype.Amongallfactorsaffectingcurrentsharing,armstructureisthemainone.Duringthedesignofthearmprototype,anovelmethodbasedoninductancematrixesisemployedtoimprovethecurrentsharingofthebridgearm.Thetestresultsontheprototypeshowthatthecurrentsharingperformanceofthearmprototypeismuchbetterthanrelevantdesignrequirement,andthatthematrixmethodisveryeffectivetoanalyzeandsolvethecurrentsharingproblemsofthyristorconverters.