简介：与pointwise为连续时间的系统过滤的H的问题变化时间的延期在这份报纸被调查。由在Krein空间使用革新分析，为一个H过滤器的存在的一个必要、足够的条件在二个方法被导出：一个人是部分微分方程途径，其它是重新组织的革新分析途径。前者把一个答案给与边界条件以一个部分微分方程的答案过滤问题的建议H。以后把一个分析答案给以Riccati和矩阵的答案过滤问题的建议H微分方程。

简介：MarkovianarrivalprocesseswereintroducedbyNeutsin1979(Neuts1979)andhavebeenusedextensivelyinthestochasticmodelingofqueueing,inventory,reliability,risk,andtelecommunicationssystems.Inthispaper,weintroduceaconstructiveapproachtodefinecontinuoustimeMarkovianarrivalprocesses.TheconstructionisbasedonPoissonprocesses,andissimpleandintuitive.SuchaconstructionmakesiteasytointerprettheparametersofMarkovianarrivalprocesses.Theconstructionalsomakesitpossibletoestablishrigorouslybasicequations,suchasKolmogorovdifferentialequations,forMarkovianarrivalprocesses,usingonlyelementarypropertiesofexponentialdistributionsandPoissonprocesses.Inaddition,theapproachcanbeusedtoconstructcontinuoustimeMarkovchainswithafinitenumberofstates

简介：Itisnotunusualforthelevelofamonthlyeconomictimeseries,suchasindustrialproduction,retailandwholesalesales,monetaryaggregates,telephonecallsorroadaccidents,tobeinfluencedbycalendareffects.Sucheffectsarisewhenchangesoccurinthelevelofactivityresultingfromdifferencesinthecompositionofcalendarbetweenyears.Thetwomainsourcesofcalendareffectsaretradingdayvariationsandmovingfestivals.Ignoringsuchcalendareffectswillleadtosubstantialdistortionsintheidentificationstageoftimeseriesmodeling.Therefore,itismandatorytointroducecalendareffects,whentheyarepresentinatimeseries,asthecomponentofthemodelwhichonewantstoestimate.

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简介：Thispaperanalyzesthedynamicsofnonlinearmultivariatetimeseriesmodelsthatisrepresentedbygeneralizedimpulseresponsefunctionsandasymmetricfunctions.Weillustratethemeasuresofshockpersistencesandasymmetriceffectsofshocksderivedfromthegeneralizedimpulseresponsefunctionsandasymmetricfunctioninbivariatesmoothtransitionregressionmodels.TheempiricalworkinvestigatesabivariatesmoothtransitionmodelofUSGDPandtheunemploymentrate.

简介：Atestforlinearityintimeserieswithβ-ARCHerrorsisproposedinthispaper.Theempiricalpercentagepointsfortsetstatisticarealsogiven.Thesimulatingresultsundernormalandnon-normalerrordistributionsshowthattestsuggestedbyusisverypower

简介：Thereal-timedispatchingmodelonbussystemisstudiedinthisarticle.Realtimedispatchingcanresumetheplannedschedulequickly,andthentoensurethereliabilityofthepublictransportserviceandtowellraisetheservicequality.

简介：这份报纸在相同平行用机器制造最小化最大的流动时间的m上与拒绝考虑安排问题。甚至当有一台单个机器，所有工作有二个不同出版日期时，作者证明这个问题是NP难的。而且，在场的作者一个动态编程算法和二个近似算法到解决他们。

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简介：Themajordrawbacksoftraditionalapproachestoproductcostingincludelackofmanufacturingknowledge,relianceonthedetaileddesigndescription,poorcostfunctionapproximationandinabilitytoupdateestimationalgorithmsbyusingactualcostdata.AdoptingtheActivity-BasedCosting(ABC)conceptandbasedonestimatedprocessingtime,thispaperproposesapragmaticapproachtoproductcosting.Theapproachinvolvestwostages,namelythepreparatorystageandtheestimationstage.Acasestudyconductedinarefrigeratorcompanyisreported.

简介：在这份报纸，有在风险上并且随着时间的过去的依赖结构的一种类型的多维的可靠模型被考虑。借助于设计方法，不同类、同类的B

简介：AninformationtheorymethodisproposedtotesttheGrangercausalityandcontemporaneousconditionalindependenceinGrangercausalitygraphmodels.Inthegraphs,thevertexsetdenotesthecomponentseriesofthemultivariatetimeseries,andthedirectededgesdenotecausaldependence,whiletheundirectededgesreflecttheinstantaneousdependence.Thepresenceoftheedgesismeasuredbyastatisticsbasedonconditionalmutualinformationandtestedbyapermutationprocedure.Furthermore,fortheexistedrelations,astatisticsbasedonthedifferencebetweengeneralconditionalmutualinformationandlinearconditionalmutualinformationisproposedtotestthenonlinearity.Thesignificanceofthenonlinearteststatisticsisdeterminedbyabootstrapmethodbasedonsurrogatedata.Weinvestigatethefinitesamplebehavioroftheprocedurethroughsimulationtimeserieswithdifferentdependencestructures,includinglinearandnonlinearrelations.

简介：Wediscussatransferlineconsistingofareliablemachine,anunreliablemachineandastoragebuffer.Thistransferlinecanbedescribedbyagroupofpartialdifferentialequationswithintegralboundaryconditions.FirstweshowthattheoperatorcorrespondingtotheseequationsgeneratesapositivecontractionC0-semigroupT(t),andprovethatT(t)isaquasi-compactoperator.Nextweverifythat0isaneigenvalueofthisoperatoranditsadjointoperatorwithgeometricmultiplicityone.Last,byusingtheaboveresultsweobtainthatthetime-dependentsolutionoftheseequationsconvergesstronglytotheirsteady-statesolution.

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简介：Theleft-inversesystemwithminimalorderanditsalgorithmsofdiscrete-timenonlinearsystemsarestudiedinalinearalgebraicframework.Thegeneralstructureofleft-inversesystemisdescribedandcomputedinsymbolicalgorithm.Twoalgorithmsaregivenforconstructingleft-inversesystemswithminimalorder.

简介：Usingfinite-timecontrolapproach,thispaperproposesanewdesignmethodfornonlinearrobustexcitationcontrolofawidelyused5th-ordermodelofsynchronousgenerators.Thefinite-timeexcitationcontrollerachievedherecanimprovethesystem'sbehaviorsinsomeaspectssuchasquickconvergenceandrobustnessforuncertainties.Simulationsdemonstratethatthefinite-timeexcitationcontrollerismoreeffectivethansomeotherexcitationcontrollers.

简介：Cascadingfailuresoftenoccurincongestedcomplexnetworks.Cascadingfailurescanbeexpressedasathree-phaseprocess:generation,diffusion,anddissipationofcongestion.Differentfromthebetweennesscentrality,acongestionfunctionisproposedtorepresenttheextentofcongestiononagivennode.Inspiredbytherestartprocessofanode,weintroducetheconceptof'delaytime,'duringwhichtheoverloadednodecannotreceiveorforwardanytraffic,soanintergradationbetweenpermanentremovalandnonremovalisbuiltandtheflexibilityofthepresentedmodelisdemonstrated.Consideringtheconnectivityofanetworkbeforeandaftercascadingfailuresisnotcrackedbecausetheoverloadednodearenotremovedfromnetworkpermanentlyinourmodel,anewevaluationfunctionofnetworkefficiencyisalsoproposedtomeasurethedamagecausedbycascadingfailures.Finally,weinvestigatetheeffectsofnetworkstructureandsize,delaytime,processingability,andtrafficgenerationspeedoncongestionpropagation.Cascadingprocessescomposedofthreephasesandsomefactorsaffectingcascadepropagationareuncoveredaswell.

简介：这份报纸由在矩阵的半张肌产品的框架下面使用图论的方法在一个温和假设下面处于状态与时间变体延期为布尔控制网络(BCN)的observability给一个相等的条件。首先，在考虑下面的BCN被分成没有时间延期的分系统的一个有限数字。第二，BCN的observability被测试所谓的observability的observability验证构造路径(没有时间延期的一个特殊分系统)基于图理论。这些结果在BCN的observability上扩大最近的相关结果。例子被显示说明结果的有效性。

简介：Theconventionaldatawarehousecanonlyanalyzehistoricaldata.Thispaperproposesaconceptofagent-basedreal-timedatawarehouseinBIsystem,Withthismodelwecanimprovethereal-timeperformanceofdatawarehouse.Ontheotherhand,theBIsystemflexibilityisenhancedinthismodel,whichmakesitmuchmoreefficienttomanagethedistributedenvironment.