joinedhjsm

hjsm  时间:2021-02-21  阅读:()
BondGraphsforModelling,ControlandFaultDiagnosisofEngineeringSystemsWolfgangBorutzkyEditorBondGraphsforModelling,ControlandFaultDiagnosisofEngineeringSystemsSecondEdition123EditorWolfgangBorutzkyBonn-Rhein-SiegUniversityofAppliedSciencesDepartmentofComputerScienceSanktAugustin,GermanyISBN978-3-319-47433-5ISBN978-3-319-47434-2(eBook)DOI10.
1007/978-3-319-47434-2LibraryofCongressControlNumber:2016955827SpringerInternationalPublishingSwitzerland2011,2017Thisworkissubjecttocopyright.
AllrightsarereservedbythePublisher,whetherthewholeorpartofthematerialisconcerned,specicallytherightsoftranslation,reprinting,reuseofillustrations,recitation,broadcasting,reproductiononmicrolmsorinanyotherphysicalway,andtransmissionorinformationstorageandretrieval,electronicadaptation,computersoftware,orbysimilarordissimilarmethodologynowknownorhereafterdeveloped.
Theuseofgeneraldescriptivenames,registerednames,trademarks,servicemarks,etc.
inthispublicationdoesnotimply,evenintheabsenceofaspecicstatement,thatsuchnamesareexemptfromtherelevantprotectivelawsandregulationsandthereforefreeforgeneraluse.
Thepublisher,theauthorsandtheeditorsaresafetoassumethattheadviceandinformationinthisbookarebelievedtobetrueandaccurateatthedateofpublication.
Neitherthepublishernortheauthorsortheeditorsgiveawarranty,expressorimplied,withrespecttothematerialcontainedhereinorforanyerrorsoromissionsthatmayhavebeenmade.
Printedonacid-freepaperThisSpringerimprintispublishedbySpringerNatureTheregisteredcompanyisSpringerInternationalPublishingAGTheregisteredcompanyaddressis:Gewerbestrasse11,6330Cham,SwitzerlandForewordProf.
BorutzkyhasaskedmetowriteaforewordtothissecondeditionofthebookBondGraphModellingofEngineeringSystems.
ThisputmeinmindofthetimewhenRonaldC.
RosenbergandI,asAssistantProfessorsatMIT,usedtostopatabarinHarvardSquaretowaitforthetrafctosubsideonourwayhomefromwork.
(Ron'sdoctoralthesisresultedintheENPORTprogram,therstbondgraphprocessor,which,althoughrestrictedtolinearsystems,wouldsolvetheproblemsassociatedwithdifferentialcausalityinsimulation.
)Weoftendiscussedwhattechnicalareasweshouldworkoninthefutureandwecametotheconclusionthatbondgraphs,recentlyinventedbyouradvisor,Prof.
HenryM.
Paynter,wereworthyofbeingbetterknowntothegeneralworldratherthanjusttoMITgraduatestudents.
Theresultwasourrstbookintendedforself-studyofbondgraphmethods,AnalysisandSimulationofMultiportSystems:TheBondGraphApproachtoPhysicalSystemDynamics,TheMITPress,1968.
Whenthebookwasnished,Prof.
PaynteraskedusifhecouldprovideaForewordintheformofaHistoricalNote.
WenaturallyagreedandtheresultisafascinatingtwopagehistoryofPaynter'sthoughtstarting,hesays,inhighschool.
Hispersonalreferencesgobacktothe1950s,buthisreferencestochemicalstructuregraphsgobackanother100years.
HisnalparagraphofhisHistoricalNoteisasfollows:ThusweredevisedonApril29,1959,thetwoideal3-portenergyjunctions(0,1)torenderthesystemofbondgraphsacompleteandformaldiscipline.
Thecompletesystemwasthenrstpublishedin1961.
Asyoucansee,Prof.
Paynterwasthinkingofhisreputationinthefuture.
ThepublicationmentionedwastheMITpressbookAnalysisandDesignofEngineeringSystems,1961,wasinfactapaperbackcompilationofclassnotestakenbyagraduatestudentand,asPaynteradmitted,thegluedtogetherbooktendedtofallapartasitspageswereturned.
(Thiswasagreatdisadvantagetoslowlearners.
)Thus,bondgraphsremainedforawhileonlyknowntothosewhohadstudiedatMIT.
vviForewordProfessorPaynterwouldcertainlybegratiedtoseetheinterestinbondgraphsthathasdevelopedinthepast60years.
Thepresentvolumeisatestimonytolargenumberofresearcherswhoarepresentlycontributingtoextensionsofbondgraphtechniquesandtonewapplicationareas.
Healsomightbesurprisedtolearnthathis"completeandformaldiscipline"hasbeenextendedindirectionsheneverwouldhavethoughtpossible.
Thereis,ofcourse,somedangerinextendingbondgraphtechniquestoincludeidiosyncraticnotationandmanipulationsthatapplytoevermorespecialcases.
Intheearlyyears,thoseofusinterestedinpromotingbondgraphmethodshadtoghtthosewholikedtheforce-currentanalogybetterthantheforce-voltageanalogysincetheyproducedbondgraphswith0'sand1'sandI'sandC'sinterchanged,whichprovidedabarriertothosenewcomersinterestedinlearningthebenetsofbondgraphmethods.
Thisvolumeisanexampleofthecorrectapproachinwhichtheauthorstakepainstomakeclearwhyspecialnotationorspecialmanipulationsonabondgrapharenecessarytoprovideinsightintoproblemswhichdon'tyieldtostandardbondgraphtechniques.
WhenIcontemplatePaynter'scontributiontophysicalsystemdynamics,andofthoseofpresentdayengineerswhocontinuetoadvancebondgraphtechniquesasevidencedbythepresentvolume,Ithinkofthewell-knownquotefromGoethe'sFaust:WasduererbtvondeinenVternhast,erwirbes,umeszubesitzen.
(Thatwhichyouinheritfromyourfathers,youmustearninordertopossess.
)Theauthorsofthepresentvolumehaveclearlytakenthisadvicetoheart.
Davis,CA,USADeanKarnoppJuly2016PrefaceBythebeginningof2011,SpringerpublishedacompilationtextofanumberofresearchersfromallovertheworldonBondGraphModellingofEngineeringSystems.
Thebookcoverstheoreticalandmethodologicaltopicsaswellassomeapplicationsandtheuseofsoftwareforbondgraphmodellingandsimulation.
Theaimwastopresentthestateoftheartinbondgraphmodellingbyaddressinglatestdevelopmentsandintegratingvariousworksinauniedmanner.
Insummer2014,theeditorwasinvitedtoprepareasecondeditionofthe2011compilationtext.
Duetotheactiveongoingresearchofmycolleagues,theircommitment,theirexpertise,andtheircontributionstheoutcomeofthisnewbookproject,inmyview,hasbecomemorethanarevisionoftherstedition.
Thisnewbookagaincoverssometheoreticalissues,applicationsandsoftwaresupportastherstedition.
However,thefocusofthesecondeditionisonlatesttopicsaswellasonsubjectsthathaven'tbeencoveredintherstedition.
Moreover,newyoungexcellentresearchershavejoinedtheteamtogetherwithco-authorswhohavebeenusingbondgraphintheirresearchandinteachingforalongtime.
Therefore,theresultofthisprojectmaybeconsideredanovelbookthatreectstheactiveresearchinthebondgraphmodellingcommunityandlatestachievementsoverarathershortperiodofthepastveyears.
AnumberofthecontributedchaptershavearisenfromrecentlynishedPhDtheses.
BondgraphsweredevisedbyProfessorH.
Payntersome60yearsbackattheMassachusettsInstituteofTechnology(MIT)inCambridge,Massachusetts,USA,andweredevelopedintoamethodologybyhisformerPhDstudentsProfessorD.
KarnoppandProfessorD.
Margolis(UniversityofCaliforniaatDavis)andProfessorR.
Rosenberg(MichiganStateUniversity,EastLansing,Michigan).
Sincethenthebondgraphapproachtophysicalsystemmodellingandsimulationhasbeenadoptedbymanyresearchers.
Thecontributionstothisbookwelldemonstratethattoday,60+yearslater,thebondgraphmethodologyhasspreadfromMITallovertheworldandissuccessfullyusedinvariousengineeringelds.
Thebookisorganisedintoveparts.
Eachofthemstartswithanintroductionthatmotivatesthesubjectsandestablishesrelationsbetweenthechaptersofapart.
Thecontributedchaptersshowthatbondgraphsaremorethanjustamethod-ologyformodellingandsimulationofmultidisciplinarysystemsdescribedbyviiviiiPrefacecontinuoustimemodels.
Beyondthatapplicationarea,bondgraphscanalsobeusedtorepresenthybridmodelswithcontinuoustimeanddiscretestatevariables.
Furthermore,bondgraphmodellinghasprovenusefulincontrolandasonepossiblestartingpointformodel-basedfaultdiagnosisandfaultprognosisinengineeringsystems.
Theseareasbecomemoreandmoreimportantwithanincreaseofthecomplexityoftoday'smechatronicsystemsandatrendtoatleastpartlyautonomoussystems.
Representinghybridmodelsinabondgraphframeworkandbondgraphmodel-basedfaultdiagnosisandfaultprognosisaretopicsinthefocusofthisnewbook.
Accordingly,thetitleofthersteditionhasbeenadapted.
Anothertopicthatisnotnewbutofstillongoinginterestisthequestionofhowopenthermodynamicsubsystemswithcompressibleuidowandmechanicalsubsystemsdescribedbyadistributedparametermodelcanbeintegratedinalumpedparametermodelofacomplexoverallsystem.
PartIIIpresentsanextensionofcommonbondgraphsformodellingthermodynamicsubsystemsintroducedbyProfessorBrownthatcanbecombinedwithconventionalbondgraphsforotherpartsofanengineeringsystemandissupportedbyamaturemodellingandsimulationsoftwareenvironmentnewlydevelopedoverthepastyears.
Astodistributedparametersubsystems,anapproachbasedonnitesegmentsandanactivitymetricispresentedthataimsatalumpedparametermodelofreducedordersufcientlyaccurate.
PartIVillustratestheremarkablewiderangeofapplicationsinwhichbondgraphshavebeenusedformodellingmechatronicsystemsofcurrentinterestbycontributedchaptersrangingfromawheelchair,torobotsforinvivosurgery,orwalkingmachinesthatcanbeusedforoperationsinhazardouselds,towindturbinesintheareaofrenewableenergysources.
ProfessorHenryPaynter,theinventorofbondgraphs,envisagedapplicationsofbondgraphmodellingtochemistry,electrochemistryandbiochemistryalreadybackin1992.
Sincethennottoomanyresearchershaveusedbondgraphsformodellingchemicalreactions.
OnechapterinPartIVextendsbondgraphmodellingeventobiomolecularsystemsoflivingorganisms.
Asthelatteronesareopensystemsthatarenotatthermodynamicequilibrium,bondgraphrepresentationsoftheirbiomolecularsystemsarenotevident.
Thechapterintroducesappropriatebondgraphvariables.
MolecularspeciesarerepresentedbyanonlinearCelementandreactionsbyanonlineartwo-portRelement.
Asaresult,bondgraphmodellingasagraphicalapproachgivesmoreintuitiveinsightthanpurelynumericalapproaches.
Astotheresultsofsimulationruns,ithasbecomecommonthatsomesoftwareprovidesapostprocessingmodulethatenablesavisualisationofmechanicalmotionin3Dunderdifferentanglesofviews.
Thelastchapterofthiscompilationtextpresentsanovelapproachthatlinksabondgraphmodellingandsimulationprogramtoaprogramforthegeometricaldesignofcomplexmultibodysystemssuchasrobotswithseveraldegreesoffreedomsothatthe3Dmotionofarobotisvisualisedsimultaneouslywithsomelittledelaytoitsnumericalcomputation.
Althoughthiscontributedbookaimstoreectthecurrentstateoftheartinbondgraphmodellingbypresentinganddiscussingadvancedrecenttopics,allchaptershavebeenwritteninsuchawaythatnewcomerstothemethodologyPrefaceixwithsomeknowledgeofthebasicsmayeasilygetintothevastfascinatingandopeneldofadvancedbondgraphmodelling.
Readerswhomaywanttohaveacloserlookatbondgraphfundamentalsmayndreferencestolatestmonographsandtextbooks.
Furthermore,eachchapterprovidesmanyreferencestoconferencepapers,journalarticlesandPhDthesesonadvancedtopics.
Thismultipleauthorsbookwellcomplementslatestmonographsandtextbooksonbondgraphmodellingandmayserveasaguideforfurtherself-studyandasareference.
BondGraphsforModelling,ControlandFaultDiagnosisofEngineeringSystemscontinuesthepresentationofitspredecessortitledBondGraphModellingofEngineeringSystemsandlikethelatteroneaddressesreadersinacademiaaswellaspractisingengineersinindustryandinvitesexpertsinrelatedeldstoconsiderthepotentialandthestateoftheartofbondgraphmodelling.
Itishopedthatthebondgraphmethodologymaycontributetomoreinsightintophysicalprocessesandtothedevelopmentofusefulmodelsintheirengineeringeld.
AcknowledgementsThisvolumewouldnothavebeenpossiblewithoutthecommitment,theexpertiseandtheeffortsofmycolleagues.
Iwouldliketotakethisopportunitytothankallmyco-authorsfortheircontributedchapters.
Likewise,Iwishtothankallcolleagueswhokindlytookthetimetoreadthechapters.
Theirvaluablecommentsandsuggestionsaregratefullyacknowledged.
MyspecialthanksgotoProfessorDeanKarnopp,UniversityofCaliforniaatDavis,oneoftheleadingpioneersofthebondgraphmethodology,whokindlyhonouredallauthorsofthiscompilationtextbywritingtheforewordwithsomepersonalnotes.
Also,IappreciatethesupportthismultipleauthorbookprojectreceivedfromProfessorsYuriMerkuryev,RigaTechnicalUniversity,Latvia;DavidMurray-Smith,UniversityofGlasgow,Scotland,UK;RonaldRosenberg,MichiganStateUniversity,EastLansing,MI,USAandGregorioRomero,UniversidadPolitécnicadeMadrid,Spain.
Lastbutnotleast,IwishtothankmyEditorwithSpringeratNewYork,NY,USA,MaryJames,forherinvitationtothisbookproject,forherkindconstantsupportduringthisbookprojectandBrindaMegasyamalan,ProjectCoordinator,SasiReka,ProjectManager,forthecooperationthroughoutthebookproduction.
SanktAugustin,GermanyWolfgangBorutzkyJuly2016ContentsPartIBondGraphTheoryandMethodology1DecompositionofMultiports5PeterC.
Breedveld2AMethodforMinimizingtheSetofEquationsinBondGraphSystemswithCausalLoops27JesusFelez3ControlledSwitchedStructuresforBond-GraphModellingandSimulationofHybridSystems.
47MatíasA.
NacusseandSergioJ.
Junco4DynamicCausalityinHybridBondGraphs87RebeccaMargettsandRogerF.
NgwompoPartIIBondGraphModellingforFaultDiagnosis,FaultTolerantControl,andPrognosis5IntegratingBondGraph-BasedFaultDiagnosisandFaultAccommodationThroughInverseSimulation.
139W.
Borutzky6Model-BasedDiagnosisandPrognosisofHybridDynamicalSystemswithDynamicallyUpdatedParameters195OmPrakashandA.
K.
Samantaray7ParticleFilterBasedIntegratedHealthMonitoringinBondGraphFramework233MayankS.
Jha,G.
Dauphin-Tanguy,andB.
Ould-BouamamaxixiiContentsPartIIIThermodynamicSystemsandDistributedParameterSystems8ConvectionBondGraphsforThermodynamicSystems275ForbesT.
Brown9FiniteElementFormulationforComputationalFluidDynamicsFramedWithintheBondGraphTheory311JorgeLuisBalio10ModelComplexityofDistributedParameterSystems:AnEnergy-BasedApproach.
359L.
S.
LoucaPartIVApplications11BondGraphModelingandSimulationofaVibrationAbsorberSysteminHelicopters387BenjaminBoudon,FranoisMalburet,andJean-ClaudeCarmona12ManualDrivenWheelchairBondGraphModelling431AbdennasserFakriandJapiePetrusVilakazi13BondGraphModellingandControlofHyper-RedundantMiniatureRobotforIn-VivoBiopsy.
451MihirKumarSutarandPushprajManiPathak14BondgraphModelingandControlofCompliantLeggedQuadrupedRobot497M.
M.
Gor,P.
M.
Pathak,A.
K.
Samantaray,J.
M.
Yang,andS.
W.
Kwak15ModelingandControlofaWindTurbine547R.
TapiaSánchezandA.
MedinaRios16Bond-GraphModellingandCausalAnalysisofBiomolecularSystems587PeterJ.
GawthropPartVSoftware17MultibodySystemModeling,Simulation,and3DVisualization.
.
.
.
.
.
627VjekoslavDamicandMajdaˇCohodarAppendixASomeTextbooksonBondGraphModelling.
673Index675ContributorsJorgeLuisBalioEscolaPolitécnica,UniversidadedeSoPaulo,SoPaulo-SP,BrazilW.
BorutzkyBonn-Rhein-SiegUniversityofAppliedSciences,SanktAugustin,GermanyBenjaminBoudonUniversitéAix-Marseille,Marseille,FrancePeterC.
BreedveldTwenteUniversity,Enschede,TheNetherlandsForbesT.
BrownLehighUniversity,Bethlehem,PA,USAJean-ClaudeCarmonaEcoleNationaleSupérieured'ArtsetMétiers,Centred'Aix-en-Provence,Aix-en-Provence,FranceMajdaˇCohodarUniversityofSarajevo,Sarajevo,BosniaandHerzegovinaVjekoslavDamicUniversityofDubrovnik,Dubrovnik,CroatiaG.
Dauphin-TanguyEcoleCentraledeLille,Villeneuved'Ascq,FranceAbdennasserFakriUniversitéParis-Est,Marne-la-Vallée,FranceJesusFelezUniversidadPolitécnicadeMadrid(UMP),Madrid,SpainPeterJ.
GawthropUniversityofMelbourne,Parkville,VIC,AustraliaM.
M.
GorG.
H.
PatelCollegeofEngineering&Technology,Gujarat,IndiaMayankS.
JhaInstitutNationaldesSciencesAppliquéesdeToulouse(INSA),Toulouse,FranceSergioJ.
JuncoUniversidadNacionaldeRosario,Rosario,ArgentinaS.
W.
KwakKeimyungUniversity,Daegu,SouthKoreaL.
S.
LoucaUniversityofCyprus,Nicosia,CyprusxiiixivContributorsFranoisMalburetEcoleNationaleSupérieured'ArtsetMétiers,Centred'Aix-en-Provence,Aix-en-Provence,FranceRebeccaMargettsUniversityofLincoln,Lincoln,UKMatíasA.
NacusseUniversidadNacionaldeRosario,Rosario,ArgentinaRogerF.
NgwompoUniversityofBath,Bath,UKB.
Ould-BouamamaEcolePolytechniquedeLille,Villeneuved'Ascq,FrancePushprajManiPathakIndianInstituteofTechnology,Roorkee,Uttarakhand,IndiaOmPrakashIndianInstituteofTechnology,Kharagpur,IndiaA.
MedinaRiosUniversidadMichoacanadeSanNicolásdeHidalgo,Morelia,MexicoA.
K.
SamantarayIndianInstituteofTechnology,Kharagpur,IndiaR.
TapiaSánchezUniversidadMichoacanadeSanNicolásdeHidalgo,Morelia,MexicoJapiePetrusVilakaziTshwaneUniversityofTechnology,Pretoria,RepublicofSouthAfricaJ.
M.
YangKyungpookNationalUniversity,Daegu,SouthKoreaAbbreviationsANNArticialNeuralNetworkARRAnalyticalRedundancyRelationAVPAngularVelocityPropagationBDBlockDiagramBDFBackwardDifferentiationFormulaBEMBladeElementMomentumBGBondGraphBGDBondgraphinpreferredderivativecausalityBG-LFTBondGraphinLinearFractionalTransformationCBMConditionBasedMaintenanceCFDComputationalFluidDynamicsCGCentreofGravityCJControlledJunctionCKCClosedKinematicChainCTFCoordinateTransformationBlockDAEDifferential-AlgebraicEquationDBGDiagnosticBondGraphDCDirectCurrentDFIGDoublyFedInductionGeneratorDFIMDoublyFedInductionMotorDHBGDiagnosticHybridBondGraphDMDegradationModelDOFDegreeofFreedomDPPDegradationProgressionParameterDSCAPDynamicSequentialCausalityAssignmentProcedureEJSEulerJunctionStructureEOLEndofLifeEPPWElectricPowerPropelledWheelchairFDIFaultDetectionandIsolationFDMFiniteDifferenceMethodFEMFiniteElementMethodxvxviAbbreviationsFROIFrequencyRangeofInterestFSAFiniteStateAutomatonFSMFiniteSignatureMatrixFTCFaultTolerantControlFVMFiniteVolumeMethodGARRGlobalAnalyticalRedundancyRelationGFSMGlobalFaultSignatureMatrixGFSSMGlobalFaultSensitivitySignatureMatrixGSJGeneralizedSwitchedJunctionGYSGyristorHBGHybridBondGraphHJSMHybridJunctionStructureMatrixHyPAHybridProcessAlgebraJSMJunctionStructureMatrixLCPLinearComplementarityProblemLCSLinearComplementaritySystemLFTLinearFractionalTransformationFormLLLegLiftLTILinearTimeInvariantsystemLWRLighthill,WhithamandRichardsMBDPModel-BasedDiagnosisandPrognosisMBGMultibondGraphMBSMultibodySystemMCSMModeChangeSignatureMatrixMCSSMModeChangeSensitivitySignatureMatrixMDMMechatronicDriveModularMDMWModularDrivenManualWheelchairMFCMicrosoftFoundationClassMGBMainGearBoxMIMOMultipleInputMultipleOutputsystemMODAModelOrderReductionAlgorithmMORAModelOrderDeductionAlgorithmMPWManualPropelledWheelchairMSCMachineSideConverterNSCNetworkSideConverterODEOrdinaryDifferentialEquationPDProportionalDerivativePDEPartialDifferentialEquationPDFProbabilityDensityFunctionPFParticleFilterPIProportionalIntegralPIDProportional,IntegralandDerivativePLPrismaticLinkRARelativeAccuracyRANSReynolds-averagedNavier-StokesAbbreviationsxviiRMSERootMeanSquareErrorRPRevolute-prismaticRULRemainingUsefulLifeSARIBSystèmeanti-résonateurintégréàbarresSBGSensitivityBondGraphSCAPSequentialCausalityAssignmentProcedureSCRSiliconControlledRectierSIRSamplingImportanceResamplingSISSequentialimportancesamplingSISOSingleInputSingleOutputsystemSLStepLengthSOHStateofHealthSPJSwitchedPowerJunctionSS-BondSwitchableStructureBondSSFSetofSuspectedFaultSwBGSwitchedBondGraphTCPToolCentrePointTTFTimetoFailureTVPTranslationalVelocityPropagationUIOUnknownInputObserverVTKVisualizationToolkitZCZeroComplianceZCPZero-orderCausalPathZEZeroEffortZFZeroFlow

10gbiz首月半价月付2.36美元,香港/洛杉矶VPS、硅谷独立服务器/站群服务器

收到10gbiz发来的7月份优惠方案,中国香港、美国洛杉矶机房VPS主机4折优惠码,优惠后洛杉矶VPS月付2.36美元起,香港VPS月付2.75美元起。这是一家2020年成立的主机商,提供的产品包括独立服务器租用和VPS主机等,数据中心在美国洛杉矶、圣何塞和中国香港。商家VPS主机基于KVM架构,支持使用PayPal或者支付宝付款。洛杉矶VPS架构CPU内存硬盘带宽系统价格单核512MB10GB1...

Pacificrack:新增三款超级秒杀套餐/洛杉矶QN机房/1Gbps月流量1TB/年付仅7美刀

PacificRack最近促销上瘾了,活动频繁,接二连三的追加便宜VPS秒杀,PacificRack在 7月中下旬已经推出了五款秒杀VPS套餐,现在商家又新增了三款更便宜的特价套餐,年付低至7.2美元,这已经是本月第三波促销,带宽都是1Gbps。PacificRack 7月秒杀VPS整个系列都是PR-M,也就是魔方的后台管理。2G内存起步的支持Windows 7、10、Server 2003\20...

HTTPS加密协议端口默认是多少且是否支持更换端口访问

看到群里网友们在讨论由于不清楚的原因,有同学的网站无法访问。他的网站是没有用HTTPS的,直接访问他的HTTP是无法访问的,通过PING测试可以看到解析地址已经比较乱,应该是所谓的DNS污染。其中有网友提到采用HTTPS加密证书试试。因为HTTP和HTTPS走的不是一个端口,之前有网友这样测试过是可以缓解这样的问题。这样通过将网站绑定设置HTTPS之后,是可以打开的,看来网站的80端口出现问题,而...

hjsm为你推荐
赵雨润星辰变电影是真的启动了吗?iphone5解锁苹果5手机怎么解屏幕锁微信如何建群微信建群怎么建手机区号手机号码前怎样填写正确的国内区号?安卓应用平台安卓手机下软件哪个网站好申请证书一、如何申请证书?网店推广网站怎么免费推广淘宝店铺?网管工具做技术网管需要哪些工具?具体做些什么?网站排名靠前如何让自己的网站排名靠前手工杀毒蠕虫病毒怎么手工杀毒
美国vps评测 vps优惠码cnyvps 如何查询域名备案号 cn域名个人注册 美国主机论坛 sub-process 双12活动 回程路由 asp免费空间申请 电信虚拟主机 香港新世界中心 drupal安装 腾讯总部在哪 vul 贵阳电信测速 cdn网站加速 工信部icp备案查询 广东主机托管 密钥索引 贵州电信 更多