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简介：Inapoloidalfield(PF)convertermodule,fuseprotectionisofgreatimportancetoensurethesafetyofthethyristors.Thefuseispre-selectedinatraditionalwayandthenverifiedbyfiniteelementanalysis.A3DphysicalmodelisbuiltbyANSYSsoftwaretosolvethethermalelectriccoupledproblemoftransientprocessincaseofexternalfault.Theresultshowsthatthismethodisfeasible.

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简介：Aseriesofnovelfluorine-containingacrylates6a-6gweresynthesizedviathecondensationofethylcyanoacetateandtrifluoroaceticanhydride,followedbychloridizationandthecouplingreactionwithamines.Thesenewcompoundsexhibitedsomebiologicalactivityaspreliminarybioassayindicated.Aplausiblereactionmechanismwasoutlinedanddiscussed.

简介：ThebackdoororinformationleakofWebserverscanbedetectedbyusingWebMiningtechniquesonsomeabnormalWeblogandWebapplicationlogdata.ThesecurityofWebserverscanbeenhancedandthedamageofillegalaccesscanbeavoided.Firstly,thesystemfordiscoveringthepatternsofinformationleakagesinCGIscriptsfromWeblogdatawasproposed.Secondly,thosepatternsforsystemadministratorstomodifytheircodesandenhancetheirWebsitesecuritywereprovided.Thefollowingaspectsweredescribed:oneistocombinewebapplicationlogwithweblogtoextractmoreinformation,sowebdataminingcouldbeusedtomineweblogfordiscoveringtheinformationthatfirewallandInformationDetectionSystemcannotfind.AnotherapproachistoproposeanoperationmoduleofwebsitetoenhanceWebsitesecurity.Inclusterserversession,Density-BasedClusteringtechniqueisusedtoreduceresourcecostandobtainbetterefficiency.

简介：Withthepropagationofapplicationsontheinternet,theinternethasbecomeagreatinformationsourcewhichsuppliesuserswithvaluableinformation.Butitishardforuserstoquicklyacquiretherightinformationontheweb.Thispaperanintelligentagentforinternetapplicationstoretrieveandextractwebinformationunderuser'sguidance.Theintelligentagentismadeupofaretrievalscripttoidentifywebsources,anextractionscriptbasedonthedocumentobjectmodeltoexpressextractionprocess,adatatranslatortoexporttheextractedinformationintoknowledgebaseswithframestructures,andadatareasoningtoreplyusers'questions.AGUItoolnamedScriptWriterhelpstogeneratetheextractionscriptvisually,andknowledgeruledatabaseshelptoextractwantedinformationandtogeneratetheanswertoquestions.

简介：这份报纸为最佳的企业连续性论述一个解决方案，与为企业应用程序的存储建筑学，它将保证零数据损失和快恢复。解决方案使用因特网协议存储区域网络(IPSAN)，没有麻烦同步、半同步的复制技术的应用程序服务器，以及混合复制数据到遥远的灾难恢复地点，它被用于数据管理。我们介绍了详细设计与使用开放源代码数据库postgres为最佳的企业连续性证明我们的点的案例研究同步、半同步。理论演讲也为一样被给。

简介：ThroughthepracticeofdevelopinganexpertsystemFBCDES(FeedBoxConceptualDe-signExpertSystem)fortheplanomillingmachineinCIMSERC(CIMSEngineeringResearchCenter)inChina,thepaperintendstointroduceacommonproblem-solvingstrategyforthemechanicalproductconceptualdesignexpertsystem.Meanwhilesomeproblemssuchassystemarchitecture,knowledgerepresentationsandinferenceenginesetsarealsodescribed.Ayetmoredetaileddiscussionisgiventothetechnicalproblemsforrealizingtwokeymodules,thatisconceptdesignmoduleandlayoutmodule.

简介：Arobustadaptivepredictorisproposedtosolvethetime-varyinganddelaycontrolproblemofanoverheadcranesystemwithastereo-visionservo.Thepredictorisbasedontheuseofarecurrentneuralnetwork(RNN)withtappeddelays,andisusedtosupplythereal-timesignaloftheswingangle.Therearetwotypesofdiscrete-timecontrollersunderinvestigation,i.e.,theproportional-integral-derivative(PID)controllerandtheslidingcontroller.Firstly,adesignprincipleoftheneuralpredictorisdevelopedtoguaranteetheconvergenceofitsswingangleestimation.Then,animprovedversionoftheparticleswarmoptimizationalgorithm,theparallelparticleswarmoptimization(PPSO)methodisusedtooptimizethecontrolparametersofthesetwotypesofcontrollers.Finally,ahomemadeoverheadcranesystemequippedwiththeKinectsensorforthevisualservoisusedtoverifytheproposedscheme.Experimentalresultsdemonstratetheeffectivenessoftheapproach,whichalsoshowtheparameterconvergenceinthepredictor.

简介：ThesystemisbasedonthegloballysharedproductmodelconformingtoVRMLStandard,andusesSmarTeam(PDM)systemtointegrateandencapsulateCAD,CAEandotherapplicationsoftwareforproductdevelopment.Thesystemtakessugarcaneharvester,mobiletelephonedesignanalysisandevaluationasanexample,andutilizesfuzzyevaluationprincipletoevaluatethedesignandsimulationanalysisresultsfordecisionsmaking.Theplatformprovidesacollaborativeintelligentenvironmentforthedesignofproducts,aimingatintegratingpeople,processanddatainthevirtualproductdevelopment.Themulti-layeredsystemarchitectureprovidescapabilityforKBMandconceptioninnovationdesignprocesswithasingleunifieddataandprocessmodelsoastoachievetrueprocessstreamlininganddataintegritythroughouttheentireproductdevelopmentlifecycle,andhenceimprovesenterprisesefficiency.

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简介：一个双线性的差错察觉观察员为单个双线性的系统使遭到到未知输入骚乱和差错的连续时间的一个班被建议。由原来的系统上的单个值分解，一个双线性的差错察觉观察员经由一个代数学的Riccati方程为分解系统被建议，并且州的评价错误的吸引力的域被估计。一个设计过程被介绍决定差错察觉阀值。灵活联合机器人的一个模型被用来表明建议方法的有效性。关键词单个双线性的系统(SBS)-双线性的观察员-差错察觉-州的评价-吸引力的领域这个工作被中国的国家性质科学基础部分地支持(号码60325311，60534010，60572070)，为中国(号码60521003)和为Changjiang学者和创新研究的程序的有创造性的研究组的资金在大学里联合(没有。IRT0421)。王占山在1971在辽宁出生了。他在2001从Fushun石油研究所在控制理论和控制工程收到了主人学位。他现在是沈阳Ligong大学里的一个讲师并且在东北大学里追求博士。他的研究兴趣在差错诊断，指责周期性的神经网络的容忍的控制和稳定性。张华光在1959在吉林出生了。他在1991从东南的大学收到了博士。现在他是东北大学里的一个教授。他的研究兴趣包括周期性的神经网络的模糊控制，进程控制，非线性的控制和动力学。

简介：紧缩的兆兆赫(THz)波浪描准仪被建议，它与photonic晶体(PC)从2.4THz在频率下面工作到2.7THz平板基于自我描准效果。飞机波浪扩大(PWE)方法被用来计算分散表面和相等频率的轮廓(EFC)并且优化结构。在结构的THz波浪的繁殖被模仿，规范的传播由使用有吸收边界的完美地匹配的层(PML)的方法调节的有限差别的时间域(FDTD)是计算的。数字模拟证明设计描准仪有一个好描准性质和高发射度。

简介：Inthispaper,thecauseofbit-errorisanalyzedwhendataaredecidedintheopticalreceiver.AmonolithicD-ffdecisioncircuitisdesigned.Itcanworkeffectivelyat622Mb/s.Moreover,adecisionmethodofparallelprocessingtoimprovethddecisionspeedispresented,throughwhichtheparallelcircuitcanworkupto1Gb/susingthesamemodel.Withthetechnique,higher-speeddatacanbedecidedbyusinglowerspeeddevice.

简介：Theproblemconsideredinthispaperistointerpolateavirtualuniformarrayfromarealtwo-dimensionalarraywitharbitrarygeometryviaaninterpolationmatrix.Thekeytothisproblemishowtoarrangethesevirtualsensors.Itisshownthatthevirtualuniformlineararrayshouldhavethesamemain-lobebeam-patternastherealarrayoveranangularsectorofinterest.Simulationresultsarepresentedtoillustratetheapplicationofvirtualarrayindirectionfinding.

简介：Manyproblemswithunderlyingvariationalstructureinvolveacouplingofvolumewithsurfaceeffects.Astraight-forwardapproachinafiniteelementdiscretiza-tionistomakeuseofthesurfacetriangulationthatisnaturallyinducedbythevolumetriangulation.Inanadaptivemethodonewantstofacilitate'matching'localmeshmodifications,i.e.,localrefinementand/orcoarsening,ofvolumeandsurfacemeshwithstandardtoolssuchthatthesurfacegridisalwaysinducedbythevolumegrid.WedescribetheconceptsbehindthisapproachforbisectionalrefinementanddescribenewtoolsincorporatedinthefiniteelementtoolboxALBERTA.Wealsopresentseveralimportantapplicationsofthemeshcoupling.

简介：ＤｅｓｉｇｎａｎｄＣｏｎｓｔｒｕｃｔｉｏｎｏｆＲＩＢＬＬ１ＥｘｐｅｒｉｍｅｎｔａｌＳｅｔｕｐａｔＨＩＲＦＬ￥ＧｕｏＺｈｏｎｇｙａｎ；ＺｈａｎＷｅｎｌｏｎｇ；ＺｈｏｕＪｉａｎｑｕｎ；ＺｈａｏＹｏｕｘｉｏｎｇ；ＷａｎｇＪｉｎｃｈｕａｎ；Ｌ...

简介：Theproblemofrobustdesignistreatedasamulti-objectiveoptimizationissueinwhichtheperformancemeanandvariationareoptimizedandminimizedrespectively,whilemaintainingthefeasibilityofdesignconstraintsunderuncertainty.Toeffectivelyaddressthisissueinrobustdesign,thispaperpresentsanovelrobustoptimizationapproachwhichintegratesmulti-objectiveoptimizationconceptswithTaguchi'scrossedarraystechniques.Inthisapproach,Pareto-optimalrobustdesignsolutionsetsareobtainedwiththeaidofdesignofexperimentset-ups,whichutilizetheresultsofAnalysisofVariancetoquantifyrelativedominanceandsignificanceofdesignvariables.Abeamdesignproblemisusedtoillustratetheeffectivenessoftheproposedapproach.

简介：SVLBI(空间很长的基线干涉量度)在测地学和地球动力学有一些重要潜在的应用，为哪个最困难的任务是精确决定一颗SVLBI卫星的轨道。这个工作学习将可能能决定一颗空间VLBI卫星的轨道的几种技术。然后，根据为测地学的学习和GNSS的几何学的卫星和要求的类型和特征(GPS，伽利略)追踪空间VLBI卫星的卫星，SVLBI卫星(TEST-SVLBI)的六个Keplerian元素被决定。一个程序被设计由网络，追踪的网络ofTEST-SVLBI与被设计的车站分析不同高度的空格的范围区域。由网络追踪TEST-SVLBI的效率被学习，并且结果被介绍。

简介：AconceptofSpecificStructureEfficiency(SSE)wasproposedthatcanbeusedinthelightweighteffectevaluationofstructures.Themainproceduresofbionicstructuredesignwereintroducedsystematically.Theparameterrelationshipbetweenhollowstemofplantandtheminimumweightwasdeducedindetail.InordertoimproveSSEofpylons,thestructuralcharacteristicsofhollowstemwereinvestigatedandextracted.Bionicpylonwasdesignedbasedonanalogousbiologicalstructuralcharacteristics.Usingfiniteelementmethodbasedsimulation,thedisplacementsandstressesinthebionicpylonwerecomparedwiththoseoftheconventionalpylon.ResultsshowthattheSSEofbionicpylonisimprovedobviously.Static,dynamicandelectromagnetismtestswerecarriedoutonconventionalandbionicpylons.Theweight,stress,displacementandRadarCrossSection(RCS)ofbothpylonsweremeasured.ExperimentalresultsillustratethattheSSEofbionicpylonismarkedlyimprovedthatspecificstrengthefficiencyandspecificstiffnessefficiencyofbionicpylonareincreasedby52.9%and43.6%respectively.TheRCSofbionicpylonisreducedsignificantly.