【doc】 弹性联轴器

【doc】 弹性联轴器 弹性联轴器 《世界机电工程文摘》(英文)2005年(第六期)机械工程通用零部件双 月刊 Asthetemperatureand/orthemagneticfieldincreased,the effectiveresistivityincreasedmorerapidlythanpredictedby theBlock.Gruneisenfunction.Thisisattributedtoanincrease intheeffectiveresistivityoftheBi:2223superconducting filamentsduetofluxcreep. 弹性联轴器 SY503-6-213 【篇名】Aeroelasticinstabilityofaircraftwingsmodelledas anisotropiccompositethin—walledbeamsinincompressible flow 【刊】527C0055 【刊名】JournalofFluidsandStructures 【年卷期】2003,vo1.18,no.1 【页码】43.6l 【语种】eng 【义摘】Anencompassingaeroelasticmodeldevelopedtoward investigatingtheinfluenceofdirectionalitypropertyof advancedcompositematerialsandnon-classicaleffectssuchas transverseshearandwarpingrestraintontheaeroelastic instabilityofcompositeaircraftwingsispresented.Withinthe modeldevelopedherein,bothdivergenceandflutter instabilitiesaresimultaneouslyaddressed.Theaircraftwingis modelledasananisotropiccompositethin-walledbeam featuringcircumferentiallyasymmetricstiffnesslay-upthat generates,fortheproblemathand,elasticcouplingamong plunging,pitchingandtransverseshearmotions.Theunsteady incompressibleaerodynamicsusedhereisbasedontheconcept ofindicialfunctions.Issuesrelatedtoaeroelasticinstabilityare discussed,theinfluenceofwarpingrestraintandtransverse shearonthecriticalspeedareevaluated,andpertinent conclusionsareoutlined. SY503-?6-?214 【篇名】BiQuad-FilterforActiveDampingofLowFrequency OscillationsinTwo—InertiaDriveSystems 【馆藏0】276992 【会议名】IEEEInternationalElectricMachinesandDrives Conference(1EMDC’03).vo1.3 【会议l_l期】JuneI-4,2003 【码】1826.1831 【语种】eng 【义摘】Usuallythecouplingbetweenanelectricaldriveand itsmechanicalloadisdesignedwithahighstiffnesstoavoid anyeigenfrequencywhichcouldbeexcitedbythedriveitself orotherinfluences.Insomeapplications,however,arather longcouplingshaftcannotbeavoided;consequentlyresonance problemsmustbeexpectedduetothemoreorlesselastic couplingbetweenthedriveandtheload.Awell—known methodtoovercomethisproblemistheapplicationof mechanicaldampingelements.Thispaperpresentsthedesign andapplicationofaso-calledBiQuadfilterwhichis implementedtosuppresslowfrequencyresonanceoscillations byanactivemethodinsteadofmechanicaldampingequipment 原文 少年中国说原文俱舍论原文大医精诚原文注音大学原文和译文对照归藏易原文 馆藏单位:机械中心图:馆一48. Thefilterjsplacedeitherjnthefeedforwardbranchorjnthe feedbackofthedrivecontroIloop.Practicairesultsobtainedby bothversionsofBiQuadfilterapplicationarepresentedand discussedwithspecialrespecttotheinfluenceofacurrent limitation,whichisintegratedinmostcommercialdrive systems. SY503-6-215 【篇名]Developmentofconventionalandfuzzycontrollersfor outputcoupleddrivesystemsandvariableinertia 【馆藏号】275602 【文集名】LargeScaleSystems:TheoryandApplication2001 【会议名】9thIFACSymposiumonLargeScaleSystems (LSS’01) 【会议日期】l8.20July2001 【页码】261-269 【语种】eng 【文摘】Thecontrolofoutputcoupleddrivesystemshaving variableinertiaisdifficultduetothepresenceofpossible vibrationsduetotheelasticcoupling,thevarianceofplant parameters,andtheeffectofoutputcouplingofthecontrol subsystems.Typicalapplicationsforsuchcomplexlarge-scale multivariablesystemsarethefieldsofrollingmills,ofwinding mechanisms,andofelectricaldriventransportationsystems. Thepaperpresentsresultsconcerningthedevelopmentof conventionalandfuzzycontrolsolutionsforadrivesystem withtwooutputcoupledmotorsapplicabletotherollsofahot rollingmillandtoavariableinertiastripwindingsystem. SY503—6-216 【篇名】Dynamicsimulationandcharacteristicsanalysisfora lightbusbasedonadetailedmulti-bodymodel 【馆藏号】SAE2002 【会议名】SAE2002WorldCongress 【会议日期】March4-7.2002 【页码】8pp 【语种】eng 【文摘】Multi-bodysystemdynamicsisanefficientapproach forvehicledynamicsimulationandperformanceanalysis.The moresophisticatedmulti-bodysystemsoftwaresprovide powerfultoolsforvehicledesigners.Theintegrationtechnique ofCAD/CAM,CAEisbeingdevelopedandappliedmore widelyinautomotiveengineering.Inthispaper,considering thelimitsofatraditionalmulti—rigidbodymethodforvehicle modellingandbecauseofthefactthatthenon-linearityand typicalflexiblepropertiesphysicallyexistinmanyvehicle components,arigid-elasticcouplingmulti—bodysystem dynamicmodelisestablishedforalightbus.Thefull—vehicle modelofthebusisbuiltbyCADsoftwareina3Dsolid fashion.Hence,thenecessarymodellingparametersofthebus areobtainedforsimulations.Theeffectsofthenon-linearity andflexiblepropertiesofthecomponentsareinvestigatedin detail.Simulationsresultsarecomparedwiththeresultsof fieldstestsandtheeffectivenessofthemodelisvalidated.