简介：这篇论文的目的是为为间隔植物家庭设计最佳的PI控制器开发一个分析方法。Optimality意味着一个PI控制器稳定的植物的系数间隔被最大化。优化问题能以形式的矩阵对的一个特征值最小化问题被提出，这将被显示出(H(h0,g0),H(δ1，κ,δ2，κ)),在哪儿κ=1，2，3，4并且两H(h0,g0)和H(δ1，κ,δ2，κ)是频率独立人士象Hurwitz一样矩阵。一个数字例子被提供说明那个最佳的控制器参数能被二维的搜索成功地获得。

简介：Thequalityofskeletonsystemforthecheetahrobotgoeshandinhandwithitsbionicresultofitsshape,structureandfunctions.Inviewoftheskeletonsystemconstitutionandstructuralcharacteristicofthecheetah,theteamappliedstructuredesign,stimulationanalysisandparameteroptimizationtodevelopingthecheetahrobot.Inaddition,aftertheinventionofcheetahrobot'santeriorlumbarvertebrabasedonitsfunctionalattributeandconnectivityattribute,theSolidworksSimulationwasutilizedtoanalyzethedesign,accordingtowhichimprovementonthelumbarvertebrawasmade.Plus,theadvantagesoftheCADandCAEmadethehighefficiencyofdesignworkandhighqualityofthecheetahrobotpossible.

简介：TheMelnikovmethodwasextendedtoperturbedplanarnon-Hamiltonianintegrablesystemswithslowly-varyingangleparameters.Basedontheanalysisofthegeometricstructureofunperturbedsystems,theconditionoftransverselyhomoclinicintersectionwasestablished.ThegeneralizedMelnikovfunctionoftheperturbedsystemwaspresentedbyapplyingthetheoremonthedifferentiabilityofordinarydifferentialequationsolutionswithrespecttoparameters.ChaosmayoccurinthesystemifthegeneralizedMelnikovfunctionhassimplezeros.

简介：这份报纸论述新柔韧的滑动模式控制(SMC)有为一般不明确的变化时间的延期的开发得好的理论证明的方法有结构的无常和Brownian噪音(维纳进程)的随机的系统。建议方法的特色是把单个价值分解(SVD)用于所有结构的无常并且与SMC方法一起为控制设计介绍可调节的参数。它导致为为经由线性矩阵不平等(LMI)的一般不明确的随机的系统的柔韧的稳定性和一个新柔韧的控制器的状况形成的一个更少保守人士。系统状态能到达交换在概率1保证了的表面的SMC。而且，没有SVD，有SVD和可调节的参数的建议方法比方法是更少的保守主义，这理论上被证明。纸主要是为方法和结果提供所有严格的理论证明。

简介：经由为呼吸空气的极超音速的车辆(ABHV)的名字的轨道linearization的一条变化时间的控制法律模型被使用。可行指导命令信号连续剧被非线性的动态逆(NDI)产生在空气动力学的效果和推进系统之间的方法考虑相互作用。Multiple-time-scale连续变化时间的控制，它满足要求与精确，柔韧，并且decoupled面对为无常和外部骚乱建模追踪命令的轨道和尖率侧面被使用。为有为无常，风阵风，和测量噪音建模的一个ABHV模型的模拟被介绍表明这个建议方法的能力和可靠性。

简介：Anewmethodforidentifyingnonlineartime-varyingsystemswithunknownstructureispresented.Themethodextendstheapplicationareaofbasissequenceidentification.Theessentialideaistoutilizethelearningandnonlinearapproximatingabilityofneuralnetworkstomodelthenon-linearityofthesystem,characterizetime-varyingdynamicsofthesystembythetime-varyingparametricvectorofthenetwork,thentheparametricvectorofthenetworkisapproximatedbyaweightedsumofknownbasissequences.Becauseofblack-boxmodelingabilityofneuralnetworks,thepresentedmethodcanidentifynonlineartime-varyingsystemswithunknownstructure.Inordertoimprovethereal-timecapabilityofthealgorithm,theneuralnetworkistrainedbyasimplefastlearningalgorithmbasedonlocalleastsquarespresentedbytheauthors.Theeffectivenessandtheperformanceofthemethodaredemonstratedbysomesimulationresults.

简介：为间隔的新柔韧的指数的稳定标准有围住标准的不确定性的变化时间的延期系统被建议。基于免费重量的矩阵和新Lyapunov-Krasovskiifunctionals，如此的标准被直接应付系统模型并且设计存储器更少状态反馈控制器获得并且以线性矩阵不平等(LMI)表示了。而且，标准对盒子适用变化时间的延期的衍生物是否被围住。州的腐烂率被相应LMI估计。数字例子被给说明建议方法的有效性。

简介：Adiscretegain-varyingunknowninputobserver(UIO)methodispresentedforactuatorfaultdetectionandisolation(FDI)problemsinthispaper.Anovelresidualschemetogetherwithamovinghorizonthresholdisproposed.ThisdesignmethodologyisappliedtoanonlinearF16systemwithpolynomialaerodynamicscoefficientexpressions,wherethecoefficientexpressionsfortheF16systemandUIOsmaybeslightlydifferent.ThesimulationresultsillustratethatasatisfactoryFDIperformancecanbeachievedevenwhentheF16systemisundertheenvironmentofmodeluncertainties,exogenousnoiseandmeasurementerrors.

简介：Optimalcontrolsystemofstatespaceisaconservativesystem,whoseapproximatemethodshouldbesymplecticconservation.Basedonthepreciseintegrationmethod,analgorithmofsymplecticconservativeperturbationispresented.Itgivesauniformwaytosolvethelinearquadraticcontrol(LQcontrol)problemsforlineartime-varyingsystemsaccuratelyandefficiently,whosekeypointsaresolutionsofdifferentialRiccatiequation(DRE)withvariablecoefficientsandthestatefeedbackequation.Themethodissymplecticconservativeandhasagoodnumericalstabilityandhighprecision.Numericalexamplesdemonstratetheeffectivenessoftheproposedmethod.

简介：ThispaperinvestigatesaMultiple-InputMultiple-Output(MIMO)schemecombiningTransmitAntennaSelectionandreceiveMaximal-RatioCombining(TAS/MRC)intime-varyingRayleighfadingchannels.Wefirstpresentnewclosed-formexpressionsforoptimalreceivedSignal-to-NoiseRatio(SNR),whichisexpressedinpolynomialform.Theseareusedtoanalyzeergodiccapacity,outageprobabilityandBitErrorRate(BER)ofTAS/MRCsystems.Numericalresultsarepresentedtovalidatethetheoreticalanalysis.

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简介：Inthispaper,thecharacteristicsofdifferentformsofmildslopeequationsfornon-linearwaveareanalyzed,andnewnon-lineartheoreticmodelsforwavepropagationarepresented,withnon-lineartermsaddedtothemildslopeequationsfornon-stationarylinearwavesanddissipativeeffectsconsidered.Numericalsimulationmodelsaredevelopedofnon-linearwavepropagationforwatersofmildlyvaryingtopographywithcomplicatedboundary,andtheeffectsarestudiedofdifferentnon-linearcorrectionsoncalculationresultsofextendedmildslopeequations.Systematicalnumericalsimulationtestsshowthatthepresentmodelscaneffectivelyreflectnon-lineareffects.

简介：ThispaperinvestigatestherobuststochasticstabilityandH∞analysisforstochasticsystemswithtime-varyingdelayandMarkovianjump.Byusingthefreeweightingmatrixtechnique,i.e.,He’stechnique,andastochasticLyapunov-Krasovskiifunctional,newdelay-dependentcriteriaintermsoflinearmatrixinequalitiesarederivedforthetherobuststochasticstabilityandtheH∞disturbanceattenuation.Threenumericalexamplesaregiven.Theresultsshowthattheproposedmethodisefficientandmuchlessconservativethantheexistingresultsintheliterature.更多还原

简介：在到化学动力学的从血浆的科学应用程序，大量时间的规模能在微分方程的一个系统介绍。一个主要困难由于系统的僵硬被遇到，开发能存取以前达不到的参数政体的快数字计划被要求。在这个工作，我们与不连续的系数为线性平常的微分方程的一个多尺度的不可思议地使不安的系统考虑一个起始期末考试的价值问题。我们构造一个定制的有限的点方法，它产出在最大的标准收敛的近似解决方案，一致地关于单个不安参数，到准确解决方案。在最大的标准的参数制服错误估计也被证明。数字实验的结果，支持理论结果，被报导。[从作者抽象]

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简介：这份报纸的主要目的是发源一新(p，q)多参数哈迪空间Hp上的原子分解(X1吗？

简介：Thefree-parameterperturbationmethodisappliedtosolvetheproblemsofnonlinearstabilityofsphericalshallowshellsunderuniformload.Asamodifiedperturbationmethod,thefree-parameterperturbationmethodenablesresearcherstoobtainallcharacteristicrelationswithoutchoosingthecertainperturbationparameter.Someexampleswerediscussedtostudythevarietyregulationsofdeflectionsandstressofshellsintheprocessofbuckling,andtheresultswerecomparedwiththoseofotherresearchers.

简介：APlasmaSurfaceInteraction(PSI)experimentonChinaLowActivationMarten-sitic(CLAM)steelwasdonetocheckifCLAMsteelcouldbeusedasaPlasmaFacingMaterial(PFM).Aspecimenwithadiameterof45mmwasexposedto897shotsofdeuteriumplasmaswithatotaldurationof712secataminorradiusof30cminHT-7tokamak.Duringtheexpo-sureexperiment,noobservableinfluencewasfoundonplasmaperformance.Afterexposure,thesurfaceofthespecimenseemedassmoothasbeforebutwithsomecolourchangeatthemarginofthespecimen.Eventhoughsomemicro-damage,suchasdenseblisters,melting,splashing,depositions,anddust,wasfoundonlocalsurfaceswithScanningElectronMicroscopic(SEM)observation.Thereflectivityofthespecimendecreasedonlyslightly.AlloftheseshowsCLAMsteelhasgoodstabilityandirradiationresistance.Withfurtheroptimization,itcouldpossiblybeusedasthefirstmirrormaterialforplasmadiagnosticsintokamaks.

简介：Evolutionarycomputationbasedontheideaofbiologicevolutionisonetypeofglobaloptimizationalgorithmthatusesself-adaptation,self-organizationandrandomsearchingtosolveoptimizationproblems.Theevolutionary-simplexalgorithmisintroducedinthispaper.Itcontainsfloatingencodingwhichcombinestheevolutionarycomputationandthesimplexalgorithmtoovcrcomctheproblemsencounteredinthegeneticalgorithmandevolutionarystrategymethods.Numericalcxpcrimcntsarcperformedusingseventypicalfunctionstoverifythealgorithm.Aninverseanalysismethodtoidentifystructuralphysicalparametersbasedonincompletedynamicresponsesobtainedfromtheanalysisinthetimedomainisprcscntcdbyusingtheevolutionary-simplexalgorithm.Themodalevolutionary-simplexalgorithmconvertedfromthetimedomaintothemodaldomainisproposedtoimprovetheinverseefficiency.Numericalcalculationsfora50-DOFsystemshowthatwhcncomparedwithothermethods,theevolutionary-simplexalgorithmoffersadvantagesofhighprecision,cfficientsearchingability,strongabilitytoresistnoise,independenceofinitialvalue,andgoodadaptationtoincompleteinformationconditions.

简介：同样质量增加了的为系统的要求，对的需要高，系统可靠性也正在增加。软件系统是极其重要的，以提高的可靠性和稳定性，为提供高质量为顾客的服务。因为软件系统的复杂性，然而，软件开发能费时间、昂贵。许多统计模型在过去的年里被开发了估计软件可靠性。在这份报纸，我们与操作环境的无常建议一个新三参数的差错察觉软件可靠性模型。建议模型的明确的吝啬的值函数解决方案被介绍。例子被介绍给基于三说明建议模型和几个存在非同类的泊松进程(NHPP)模型的goodness-of-fit从软件应用程序收集的失败数据设定。建议模型适合的结果表演显著地好与其它存在NHPP基于三当模特儿比标准象均方差(MSE)那样，预兆的比率风险(PRR)，和预兆的力量(PP)。