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簡(jiǎn)介：附錄附錄一外文原文附錄一外文原文SENSITIVITYANALYSISOFTHECCHE1DCHANNELNETWORKMODELWEIMINGWU1,DALMOAVIEIRA2,ABDULKHAN3ANDSAMSYWANG41,2,3AND4,NATIONALCENTERFORCOMPUTATIONALHYDROSCIENCEANDENGINEERING,SCHOOLOFENGINEERING,THEUNIVERSITYOFMISSISSIPPI,MS38677PH6629155673/6629157788FAX6629157796EMAILWUWMNCCHEOLEMISSEDUABSTRACTTHECCHE1DMODELWASDESIGNEDTOSIMULATELONGTERMFLOWANDSEDIMENTTRANSPORTINCHANNELNETWORKSTOSUPPORTTHEDECPROJECTITUSESEITHERTHEDYNAMICWAVEORTHEDIFFUSIVEWAVEMODELTOCOMPUTEUNSTEADYFLOWSINCHANNELNETWORKSWITHCOMPOUNDCROSSSECTIONS,TAKINGINTOACCOUNTTHEEFFECTSOFINSTREAMHYDRAULICSTRUCTURES,SUCHASCULVERTS,WEIRS,DROPSTRUCTURES,ANDBRIDGECROSSINGSITSIMULATESNONUNIFORMSEDIMENTTRANSPORTUSINGANONEQUILIBRIUMAPPROACH,ANDCALCULATESBANKTOEEROSIONANDMASSFAILUREDUETOCHANNELINCISIONTHECCHE1DMODELDECOUPLESTHEFLOWANDSEDIMENTTRANSPORTCALCULATIONSBUTCOUPLESTHECALCULATIONSOFNONUNIFORMSEDIMENTTRANSPORT,BEDCHANGESANDBEDMATERIALSORTINGINORDERTOENHANCETHENUMERICALSTABILITYOFTHEMODELINTHISPAPER,THESENSITIVITYOFCCHE1DTOPARAMETERSSUCHASTHENONEQUILIBRIUMADAPTATIONLENGTHOFSEDIMENTTRANSPORTANDTHEMIXINGLAYERTHICKNESSISEVALUATEDINCASESOFCHANNELAGGRADATIONANDDEGRADATIONINSUCCESSFULLYTESTEDINVARIOUSEXPERIMENTALANDFIELDCASESBECAUSESEVERALPARAMETERSINCCHE1DMUSTBEPRESCRIBEDEMPIRICALLY,ITISVERYIMPORTANTTOKNOWTHERESPONSEOFTHEMODELTOTHEUNCERTAINTYOFTHESEPARAMETERSINTHISSTUDY,THESENSITIVITYOFCCHE1DTOMODELPARAMETERSSUCHASTHENONEQUILIBRIUMADAPTATIONLENGTHOFSEDIMENTTRANSPORTANDTHEMIXINGLAYERTHICKNESSISANALYZEDINCASESOFCHANNELAGGRADATIONANDDEGRADATIONINLABORATORYFLUMESASWELLASINANATURALCHANNELNETWORKDESCRIPTIONOFTHECCHE1DCHANNELNETWORKMODELHYDRODYNAMICMODELTHECCHE1DFLOWMODELSIMULATESUNSTEADYFLOWINCHANNELNETWORKSWITHCOMPOUNDCROSSSECTIONSUSINGEITHERTHEDIFFUSIVEWAVEMODELORTHEDYNAMICWAVEMODELTHEDYNAMICWAVEMODELSOLVESTHEFULLSTVENANTEQUATIONSTHEPREISSMANNIMPLICIT,FOURPOINT,FINITEDIFFERENCESCHEMEISUSEDTODISCRETIZETHEGOVERNINGEQUATIONSLINEARIZEDITERATIONSCHEMESFORTHEDISCRETIZEDGOVERNINGEQUATIONSAREESTABLISHEDANDSOLVEDUSINGADOUBLESWEEPALGORITHMTHEINFLUENCEOFHYDRAULICSTRUCTURESSUCHASCULVERTS,MEASURINGFLUMES,BRIDGECROSSINGSANDDROPSTRUCTURESHASBEENCONSIDEREDINTHECCHE1DMODELSTAGEDISCHARGERELATIONSFORHYDRAULICSTRUCTURESAREDERIVEDSOTHATTHEHYDRAULICSTRUCTURESBECOMEANINTRINSICPARTOFTHENUMERICALALGORITHMSEDIMENTTRANSPORTMODELTHECCHE1DMODELCALCULATESNONUNIFORMSEDIMENTTRANSPORTINRIVERSUSINGANONEQUILIBRIUMAPPROACHTHEGOVERNINGEQUATIONFORTHENONEQUILIBRIUMTRANSPORTOFNONUNIFORMTOTALLOADIS

簡(jiǎn)介：附錄附錄英文原文英文原文HOTELRESERVATIONSYSTEMBASEDONTHEJAVASERVERFACESTECHNOLOGYTHISPAPERDESCRIBESIMPLEMENTATIONOFWEBBASEDHOTELRESERVATIONSYSTEMWHICHENABLESUSERSTOBOOKHOTELROOMSBYMEANSOFAWEBBROWSERTHESYSTEMISBASEDONJAVASERVERFACESTECHNOLOGYINTHEPRESENTATIONLAYER,SPRINGFRAMEWORKINTHESERVICELAYERANDIBATISLIBRARYFORTHEDATAACCESSLAYERIINTRODUCTIONTHEHOTELRESERVATIONSYSTEMISASPECIFICTYPEOFSOFTWARETHATSUPPORTS,OFTENBYMEANSOFAWEBBROWSER,WHOLEINFRASTRUCTUREOFTHEHOTELFORWHICHTHESYSTEMHASBEENDEPLOYEDITSKEYFEATURESARELISTEDBELOWTOSEARCHANDTOBOOKHOTELROOMSTONOTIFYOFEVERYEVENTRELATEDTOAUSERBYSENDINGTHEEMAILONAGIVENADDRESSDURINGTHEREGISTRATIONPROCESSTOSUPPORTDEFINITIONPROCESSOFEACHCOMPONENTOFTHEHOTELTHECOMPONENTSOFTHEHOTELAREROOMS,PROMOTIONS,PACKAGES,DISCOUNTSANDSERVICESTOCOMPLETETHERESERVATIONPROCESSBYNOTIFYINGTHESYSTEMABOUTTHEFACTTHATTHEGUESTCAMETOTHEHOTELANDRECEIVEDKEYSTOTHEBOOKEDROOMIIJAVASERVERFACESTHEUSERGRAPHICALINTERFACEISACRUCIALPARTOFEVERYCOMPUTERPROGRAMMEWITHREGARDTOITSRESPONSIBILITYFORINTERACTIONWITHTHEUSERSTHISPARTOFAPPLICATIONSHOULDBEFLEXIBLE,WHICHMEANSSUSCEPTIBLETOANYNEEDEDCHANGESANDWITHOUTANYDOUBTS,USER–FRIENDLYREGRETTABLY,PROCESSOFDEVELOPINGSUCHUSERINTERFACEINTHEMAINREQUIRESUSUALLYAPROFUSIONOFDEVELOPERSWORKANDTIME,MAKINGTHEWHOLEDEVELOPMENTPROCESSINVOLVEDANDONEROUSTHEMOSTAPTINGTECHNOLOGYTOTHISFIELDISJAVASERVERFACESJSFTHISHOLISTIC,COMPONENTBASEDSOLUTIONFORLONGSTANDINGPROBLEMSFACINGSOFTWAREDEVELOPERSHASASPECIFICGOALTOMAKEWEBDEVELOPMENTFASTERANDEASIERBYMASKINGALOTOFCOMPLEXITIESHIDDENBEHINDTHISKINDOFTRANSPORTDATABETWEENRELATIONALDATABASEANDJAVA,NETORRUBYAPPLICATIONCONTRARYTOPOPULARHIBERNATELIBRARY,IBATISDOESNOTDIRECTLYTIECLASSESTOTABLESORFIELDSTOCOLUMNS,BUTINSTEAD,ITCOUPLESOBJECTSWITHRESULTSOFSTOREDPROCEDURESORSQLSTATEMENTSUSINGSIMPLEXMLDESCRIPTORLETTINGTHEDEVELOPERTOREACHONLYFORREQUIREDDATATHEIBATISFRAMEWORKCANMAPNEARLYANYDATABASETOANYOBJECTMODELANDISVERYTOLERANTOFLEGACYDESIGNS,OREVENBADDESIGNSSIMPLICITYISTHEMAINADVANTAGEOFTHEIBATISOVEROTHERFRAMEWORKSTHEHOTELRESERVATIONSYSTEMWASPRIMARILYBUILTUPONJSFTECHNOLOGYFORTHEUSERINTERFACEALONGWITHAUXILIARYLIBRARIES–SPRINGANDIBATISTHEAPPLICATIONARCHITECTUREISPRESENTEDINFIG3THECOMPOSITIONOFTHESYSTEMISMODULAREACHLAYERISSEPARATEDWITHANDAPPROPRIATEINTERFACELAYERSUCHSOLUTIONMAKESTHEARCHITECTURENOTONLYMOREERRORRESISTANTBUTALSOMOREFLEXIBLEFORCHANGESTHEPRESENTATIONLAYERCONSISTSOFTHEGRAPHICALUSERINTERFACEWRITTENINTHEJSFTECHNOLOGYANDUNDERLYINGBACKINGBEANSOBJECTSITCOMMUNICATESWITHTHESERVICELAYERTHROUGHTHESERVICEINTERFACESSERVICELAYERISTHECENTRALBUSINESSPARTOFTHESYSTEMWHERE,ONTHEBASISOFTHEUSERINPUTDATA,PROPERDECISIONSAREMADEITALSOTRANSLATESINPUTDATAINTOEXPLICITFORMUNDERSTOODFORTHEDATAACCESSLAYER,WITHWHICHCOMMUNICATIONTAKESPLACEBYMEANSOFDATAACCESSINTERFACELAYERTHEDATAACCESSLAYERCOOPERATESWITHDATAMAPPERLAYERANDISRESPONSIBLEFORDATAEXCHANGEWITHDATABASETHEDATAMAPPERLAYERTALKSVIAJDBCTODATABASETOASKREQUIREDDATATHISISALAYERWHEREIBATISDATAMAPPERPLAYSTHEMAINROLEVJSFSPRINGINTEGRATIONINANUTSHELL,JSF–SPRINGINTEGRATIONMAKESSPRINGMANAGEDBEANSVISIBLEASVARIABLESTOJSF,JUSTASIFTHESPRINGBEANSARECONFIGUREDASJSFMANAGEDBEANSBEFOREDIVINGINTOTHEINTEGRATIONSPECIFICSOFJAVASERVERFACES,THEGENERALINTEGRATIONSTEPFORANYWEBFRAMEWORKMUSTBESETFORTHALLTHATNEEDTOBEDONE,ISTODECLARECONTEXTLOADERLISTENERINTHESTANDARDJEESERVLETWEBXMLDEPLOYMENTDESCRIPTORTHISLISTENERINITIALIZESTHESPRINGSWEBAPPLICATIONCONTEXTTHATCONTAINSALLOFTHEBUSINESSBEANSINTHEAPPLICATIONFIG4THESECONDSTEPINTHEINTEGRATIONBETWEENSPRINGANDJSFISSPECIFICJUSTFORJSFTHEKEYCLASSUSEDINTHISPROCESS

簡(jiǎn)介：PROCEDIAENGINEERING2620112126–213218777058?2011PUBLISHEDBYELSEVIERLTDDOI101016/JPROENG2011112415AVAILABLEONLINEATWWWSCIENCEDIRECTCOMFIRSTINTERNATIONALSYMPOSIUMONMINESAFETYSCIENCEANDENGINEERINGANALYSISANDCONTROLOFHUMANERRORSHIWENWENAKUNMINGUNIVERSITYOFSCIENCEANDTECHNOLOGY,KUNMING650093,CHINA,JIANGFUCHUAN,ZHENGQIANG,CUIJINGJINGABSTRACTSURVIVALANDDEVELOPMENTISTHEETERNALTHEMEOFENTERPRISES,ANDSECURITYISPROTECTIONOFTHETHEMETOPREVENTACCIDENTSANDPROTECTTHESAFETYOFENTERPRISESISANIMPORTANTISSUEWHICHWESHOULDCONSTANTLYFACEMOSTACCIDENTSINTHEENTERPRISEPRODUCTIONAREDUETOHUMANERRORTHEREASONSOFHUMANERRORARECOMPLICATED,SUCHASEMPLOYEESOWNPSYCHOLOGICALANDPHYSIOLOGICALFACTORS,ENTERPRISETRAINING,IMPERFECTMANAGEMENTSYSTEMANDPOORSOCIALENVIRONMENTTHISPAPERDISCUSSESTHEAPPROPRIATERESPONSESFIRST,STRENGTHENBASICMANAGEMENTTOENSUREGOODWORKINGCONDITIONSTHENENHANCESAFETYAWARENESSOFLEADERSHIPBYSTRENGTHENINGEXEMPLARYROLEMODEL,SOASTOIMPROVETHEOVERALLQUALITY,ANDTRAININGSECURITYAWARENESSOFSTAFFSTUDYOFTHECAUSESOFHUMANERROR，THENTAKETHEAPPROPRIATEMEASURESTOREDUCEACCIDENTSCAUSEDBYHUMANERRORSITISIMPORTANTTOPROTECTPEOPLESHEALTHANDPROPERTY，REDUCEENTERPRISESLOSSES，ANDPROMOTESTABLEDEVELOPMENTOFTHESOCIETY．KEYWORDSSAFETYHUMANERRORPSYCHOLOGICALFACTORPHYSIOLOGICALSAFETYPRECAUTIONS1INTRODUCTIONINRECENTYEARS,ACCIDENTSCAUSEDBYHUMANERRORINTHEENTERPRISE’SSAFEPRODUCTIONAREDRAWINGMOREANDMOREATTENTIONACCORDINGTOTHEDATAOFSTATEADMINISTRATIONOFWORKSAFETY,IN2009,THENATIONALTOTALDEATHWAS83196BYACCIDENTIN2008,THETOTALOFALLKINDSOFACCIDENTSWAS413752,91172PEOPLEDEADTEL15198754115EMAILADDRESSSHIWENWEN1985126COMNATURALSCIENCEFOUNDATIONOFYUNNANPROVINCE2009ZC021MOPENACCESSUNDERCCBYNCNDLICENSE?2011PUBLISHEDBYELSEVIERLTDSELECTIONAND/ORPEERREVIEWUNDERRESPONSIBILITYOFCHINAACADEMYOFSAFETYSCIENCEANDTECHNOLOGY,CHINAUNIVERSITYOFMININGANDTECHNOLOGYBEIJING,MCGILLUNIVERSITYANDUNIVERSITYOFWOLLONGONGOPENACCESSUNDERCCBYNCNDLICENSE2128SHIWENWENETAL/PROCEDIAENGINEERING2620112126–2132ACCIDENTHAPPENS,HEDONTKNOWHOWTOHANDLETOENSUREHISOWNSAFETYANDCONTROLTHEACCIDENTINTHESMALLESTRANGEREBELLIOUSPSYCHOLOGYTHEREBELLIOUSPSYCHOLOGYREFERSTOAKINDOFPSYCHOLOGICALSTATE,WHICHPEOPLEINORDERTOMAINTAINTHESELFESTEEMWITHEACHOTHER,TAKEANOPPOSITEATTITUDEANDBEHAVIOR3WHENSOMEENTERPRISESORLEADERSMANAGEANDEDUCATEAWORKER,THEYCAN’TDOINAWORKERS’ACCEPTABLEMANNER,SINCELONG,THEWORKERPRODUCESTHISKINDOFREBELLIOUSPSYCHOLOGYLEADERSSAYTHEYWILLTURNTHEWESTTOEASTHEEVENIGNORESTHESERIOUSVIOLATION,ANDTHENACCIDENTSHAPPENCRAFTYPSYCHOLOGYSOMEWORKERSINORDERTOCOMPLETEATASKINTHESHORTESTTIMEWITHTHEFEWESTNUMBEROFCONSUMPTION,THEIROPERATIONISJERRY,ESPECIALLYDON’TMINDFORSAFETYASPECTSINWORKINGPROCESS,ANDBELIEVETHATTHEREISNODIRECTRELATIONSHIPWITHPRODUCTIONINERTPSYCHOLOGYWORKERSWHOENGAGEDINACERTAINKINDOFJOBINALONGTIME,FORMANADVENTUROUSPSYCHOLOGYTHEYOFTENPAYLITTLEATTENTIONTOTHEJOBNEWPROBLEMSANDSITUATIONSTHENACCIDENTSHAPPENEDEASILYFLORID,COMPARINGPSYCHOLOGYSOMEWORKERSALWAYSPROVETHATTHEYARETHEBESTESPECIALLYTHEYCOMPAREWITHTHOSEINTHESAMECONDITION,DOSOMEIMPROPEROWEABILITYINORDERTOHIGHLIGHTTHEMTHOUGHTHEYKNOWTHERISK,DOITINORDERTO“OUTSTANDING“THEMSELVESITISAKINDOFVERYBADPSYCHOLOGYINTHEWORK22PHYSIOLOGICALFACTORSSENSEOF“FATIGUE“FACTOR45SENSEOF“FATIGUE“ISONEOFTHEIMPORTANTFACTORSWHICHCAUSEHUMANERRORITSGENERATIONCANBECLASSIFIEDINTOTWOCATEGORIES,ONEISWHENENGAGINGINWORKTHATDRAB,BORING,TENSION,CONCENTRATION,THEBRAINMAYAPPEARSUPPRESSION,REJECTIONANDPARALYSISCONSCIOUSNESS“FATIGUE“RESPONSETOSAFETYSTUDYANDEDUCATION,REDUCETHESENSEOFSAFETY,THUSCAUSEHUMANERRORPHENOMENONTHEOTHERISTHEHIGHWORKLOAD,SOMEENTERPRISESINORDERTOPURSUITEFFICIENCY,FORMULATEUNREASONABLECONSTRUCTIONPLAN,ALMOSTDON’TARRANGERESTTIME,INTENSITYOFWORKFARBEYONDTHEEMPLOYEES’SCOPE,SOTHATEMPLOYEESAREINHIGHLOADWORKINGCONDITIONSOLONGASTHEEMPLOYEESWORKINSUCHASTATEOFHIGHLOAD,FATIGUECANNOTRESTORED,ITWILLHAVELOWDECREASEDALERTNESSANDSOON,GREATLYINCREASETHEOCCURRENCEOFHUMANERRORDEVICEQUALITATIVEFACTOREMPLOYEESARENOTSUITABLEFORTHEWORKTYPESTHEYTAKEBEFOREWORKING,THEYDON’TTAKECAREERADAPTABILITYEXAMINATIONACCORDINGTOTHETYPESOFWORKINPRACTICALWORK,WORKERSMAYBEINCAPABLEOFTHEJOBHETAKEANDMAKEMISTAKES,WHICHCAUSEACCIDENTSFOREXAMPLE,CONGENITALLIVERCANNOTENGAGEINBLASTINGJOBS,ANDETC,WHENARRANGINGJOBSFORPEOPLEOFFORMATIONOFDISEASES,EMPLOYEESSHOULDAVOIDTHEPOSITIONSWHICHAFFECTTHEIRHEALTHINADDITIONTOCONSIDERTHEIRPHYSICALFACTORS,THEIRPHYSIOLOGICALANDPSYCHOLOGICALFACTORSALSOSHOULDBECONSIDERED,ONLYSYNTHETICALLYCONSIDERALLFACTORS,THEYCANSTAFFPOSSIBLEFORTHEIRWORKBIOLOGICALCLOCKFACTORDUETOTHEROLEOFBIOLOGICALCLOCKPEOPLE’SREFLECTIONANDALERTNESSINTHENIGHTISLOWERTHANINTHEDAYTIME,ANDFATIGUEANDSLEEPINESSMOREEASILYHAPPENEDATNIGHTTHUSWRONGOPERATIONISEASILYHAPPENED,ANDTHENCAUSESACCIDENTS23ENVIRONMENTALFACTORSBADINTERNALENVIRONMENTFACTORSWHENWORKINGINTHEENVIRONMENTOFINTENSITYNOISES,UNVENTILATEDPLACE,BADLIGHTING,THEHIGHTEMPERATUREANDHIGHHUMIDITY,EXPOSURETODUST,POISONANDETC,ITDIFFERENTLYAFFECTSEMPLOYEES’PSYCHOLOGYANDPHYSIOLOGY,MAKESHANDLERSINAGITATED,IRRITABLE,UNSTABLEEMOTION,FIDGETYDEGREEINPROPORTIONTOENVIRONMENTS,EXTREMELYEASYTOCAUSEOPERATINGERRORSANDFURTHERMORECAUSESACCIDENTS

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簡(jiǎn)介：EFFICIENTPLANNINGOFSUBSTATIONAUTOMATIONSYSTEMCABLESTHANIKESAVANSIVANTHIANDJANPOLANDABBSWITZERLANDLTD,CORPORATERESEARCH,SEGELHOFSTRASSE1K,5405,BADEND¨ATTWIL,AARGAU,SWITZERLANDABSTRACTTHEMANUALSELECTIONANDASSIGNMENTOFAPPROPRIATECABLESTOTHEINTERCONNECTIONSBETWEENTHEDEVICESOFASUBSTATIONAUTOMATIONSYSTEMISAMAJORCOSTFACTORINSUBSTATIONAUTOMATIONSYSTEMDESIGNTHISPAPERDISCUSSESABOUTTHEMODELINGOFTHESUBSTATIONAUTOMATIONSYSTEMCABLEPLANNINGASANINTEGERLINEAROPTIMIZATIONPROBLEMTOGENERATEANEFFICIENTCABLEPLANFORSUBSTATIONAUTOMATIONSYSTEMS1INTRODUCTIONCABLINGBETWEENDIFFERENTDEVICESOFASUBSTATIONAUTOMATIONSYSTEMSASISAMAJORCOSTFACTORINTHESASDESIGNPROCESSUSUALLYCOMPUTERAIDEDDESIGNSOFTWAREISUSEDTOCREATETHEDESIGNTEMPLATESOFSASDEVICESANDTHEIRINTERCONNECTIONSTHEDESIGNTEMPLATESARETHENINSTANTIATEDINASASPROJECTANDTHECABLESAREMANUALLYASSIGNEDTOTHECONNECTIONSTHESELECTIONANDASSIGNMENTOFCABLESTOCONNECTIONSMUSTFOLLOWCERTAINENGINEERINGRULESTHISENGINEERINGPROCESSISUSUALLYTIMECONSUMINGANDCANCAUSEENGINEERINGERRORS,THEREBYINCREASINGTHEENGINEERINGCOSTAPPARENTLY,THESASCABLEPLANNINGISRELATEDTOTHEWELLKNOWNBINPACKINGPROBLEMTHESASCABLEPLANNINGCANBEFORMULATEDASANINTEGERLINEAROPTIMIZATIONPROBLEMWITHTHECABLEENGINEERINGRULESEXPRESSEDASASETOFLINEARCONSTRAINTSANDACOSTOBJECTIVEFORMINIMIZINGTHETOTALCABLECOSTTHISPAPERDESCRIBESTHEFORMULATIONOFSASCABLEPLANNINGPROBLEMASANINTEGERLINEAROPTIMIZATIONPROBLEMANDPRESENTSTHERESULTSFORSOMEREPRESENTATIVETESTCASESTOTHEBESTOFTHEAUTHORS’KNOWLEDGETHEWORKISTHEFIRSTOFTHEKINDTOSTUDYSASCABLEPLANNINGTHEPAPERISORGANIZEDASFOLLOWSSECTION2PRESENTSANOVERVIEWOFTHESASCABLEPLANNINGPROCESSSECTION3EXPRESSESTHESASCABLEPLANNINGPROBLEMASANINTEGERLINEAROPTIMIZATIONPROBLEMTHERESULTSOBTAINEDBYSOLVINGTHEOPTIMIZATIONPROBLEMUSINGSOMESOLVERSISPRESENTEDINSECTION4SECTION5DRAWSSOMECONCLUSIONSOFTHISWORK2SASCABLEPLANNINGTHESASCABLEPLANNINGBEGINSAFTERTHESYSTEMDESIGNPHASEOFASASPROJECTTHESASCABLEPLANNINGISATPRESENTDONEMANUALLYBYCOMPUTERAIDEDDESIGNTACHTERBERGANDJCBECKEDSCPAIOR2011,LNCS6697,PP210–214,2011CSPRINGERVERLAGBERLINHEIDELBERG2011EFFICIENTPLANNINGOFSUBSTATIONAUTOMATIONSYSTEMCABLES211TOTALNUMBEROFCONNECTIONS,ANDK{1,2,3,,M}212TSIVANTHIANDJPOLANDREPRESENTTHESETOFALLCABLETYPES,WHEREMISTHETOTALNUMBEROFCABLETYPESINASUBPROBLEMINACABLEINSTANCE,THERECANBEONEORMORECONNECTIONSANDWEREFERTOTHECONNECTIONWITHLOWESTINDEXAMONGALLCONNECTIONSINTHECABLEINSTANCEASTHELEADERANDTHEOTHERCONNECTIONSASTHEFOLLOWERSTHISIMPLIESTHATALLCONNECTIONSEXCEPTTHEFIRSTCONNECTIONINCCANEITHERBEALEADERORFOLLOWERMOREOVER,BASEDONTHESIGNALRULESASETOFCONNECTIONPAIRSXCANBEDERIVEDWHEREEACHI,?I∈XREPRESENTSTHECONNECTIONSIAND?ITHATMUSTNOTBEASSIGNEDTOTHESAMECABLELETˉCBETHESETOFCONNECTIONPAIRSI,?IWHEREI,?I∈C,I?I,I,?I/∈XWEINTRODUCETHEFOLLOWINGBINARYVARIABLEXI,?I,WHEREI,?I∈ˉC,WHICHWHENTRUEIMPLIESTHATCONNECTIONIISAFOLLOWEROFALEADER?I1CIIWHEREORXII??,,10,SIMILARLY,BASEDONTHECABLERULESASETOFCONNECTIONCABLEPAIRSYCANBEDERIVEDWHEREEACHI,J∈YIMPLIESTHATCABLETYPEJISNOTALLOWEDFORCONNECTIONILETˉKBETHESETOFCONNECTIONCABLEPAIRSI,J,WHEREI∈C,J∈K,I,J/∈YWEINTRODUCETHEFOLLOWINGBINARYVARIABLEYI,J,WHEREI,J∈ˉK,WHICHWHENTRUEIMPLIESTHATTHELEADERIISASSIGNEDTOANINSTANCEOFCABLETYPEJ2_,,,10KJIWHEREORXJI??TABLE1ILLUSTRATESALLBINARYVARIABLESCORRESPONDINGTOTHEEXAMPLESHOWNINFIGURE1FORTHECASEWITHTWOCABLETYPESK1ANDK2ITISASSUMEDTHATCONNECTIONSC1ANDC3CANNOTBEASSIGNEDTOTHESAMECABLEANDK1ISNOTANALLOWEDCABLETYPEFORCONNECTIONC3ASMENTIONEDBEFOREALLCONNECTIONSEXCEPTTHEFIRSTCONNECTION,WHICHMUSTBEALEADER,CANEITHERBEALEADERORFOLLOWERTHISISENSUREDBYTHEFOLLOWINGCONSTRAINT（3）CIYXKJIKJJICIIII?????????,1,,,,,ACONNECTIONWHICHISALEADERINACABLECANNOTBEAFOLLOWEROFALEADERINANOTHERCABLETHISISEXPRESSEDBYTHEFOLLOWINGCONSTRAINT（4）_,,,,,1_CIIXXCIIIIII??????ANIMPLICITCONSTRAINTOFTHECABLEPLANNINGPROBLEMISTHECAPACITYCONSTRAINTWHICHIMPLIESTHATTHENUMBEROFCONNECTIONSASSIGNEDTOACABLEMUSTBELESSTABLE1BINARYVARIABLESCORRESPONDINGTOFIGURE1EXAMPLE

簡(jiǎn)介：FEEDBACKCONTROLFORCANCELINGMECHANICALVIBRATIONS反饋控制消除機(jī)械振動(dòng)反饋控制消除機(jī)械振動(dòng)摘要線性二次高斯（LQG）控制被用于主動(dòng)取消振動(dòng)。通過加速度的測(cè)量來(lái)控制振動(dòng)電機(jī)的虛擬量。終端控制器是一個(gè)經(jīng)過修改的LQG設(shè)計(jì)，它被用于設(shè)計(jì)和制定一種增強(qiáng)型的振動(dòng)電機(jī)。這篇文章介紹了機(jī)械振動(dòng)電機(jī)的建模和參數(shù)辨識(shí)，控制器性能規(guī)格的發(fā)展，LQG控制器的設(shè)計(jì)和實(shí)驗(yàn)測(cè)試所產(chǎn)生的控制系統(tǒng)。振動(dòng)電機(jī)的建模是以理論推導(dǎo)和實(shí)驗(yàn)數(shù)據(jù)的收集為基礎(chǔ)的?？刂破鞯囊?guī)范性發(fā)展主要是在使用兩種不同傳遞函數(shù)返回率的頻域范疇?？刂破鞯脑O(shè)計(jì)采用的是連續(xù)時(shí)間的LQG算法。該控制器是作為一個(gè)帶有運(yùn)算放大器的模擬電路來(lái)使用。在實(shí)驗(yàn)測(cè)試中，一些閉環(huán)系統(tǒng)的穩(wěn)定性問題被發(fā)現(xiàn)，并就這些問題提出了一種解釋。一、引言一、引言本文介紹了一種反饋控制系統(tǒng)的設(shè)計(jì)，該系統(tǒng)可用于消除一個(gè)物體表面的機(jī)械振動(dòng)。振動(dòng)的消除是通過振動(dòng)電機(jī)對(duì)物體表面施加一個(gè)交替的作用力來(lái)實(shí)現(xiàn)的。這種方法被渴望用于減少各種物體的震動(dòng)，這些物體可以是家用電器和汽車乃至飛機(jī)和高速列車1，2，3。降低機(jī)械振動(dòng)使用戶的舒適和安全得到了改善，而且通過減少磨損使產(chǎn)品的可靠性和耐用性都得到了提高。作為這一設(shè)計(jì)項(xiàng)目的一部分，需要進(jìn)行四項(xiàng)任務(wù)。首先，確定商用振動(dòng)電機(jī)的屬性和數(shù)學(xué)模型是必要的，這種電機(jī)在過去經(jīng)常被用于消除振動(dòng)。第二項(xiàng)任務(wù)就是制定一套系統(tǒng)的性能規(guī)格，以用于控制器的設(shè)計(jì)。第三項(xiàng)任務(wù)是利用反饋控制技術(shù)設(shè)計(jì)一個(gè)控制器，從運(yùn)動(dòng)傳感器接收到輸入信號(hào)后，該控制器將對(duì)電機(jī)輸出一個(gè)控制信號(hào)來(lái)抵消振動(dòng)。和線性二次高斯（LQG）技術(shù)都被進(jìn)行?H了研究。終端控制器是一個(gè)經(jīng)過修改的LQG設(shè)計(jì)，它被用于設(shè)計(jì)一種增強(qiáng)型的振動(dòng)電機(jī)。第四個(gè)任務(wù)是模擬電路控制器的執(zhí)行和測(cè)試閉環(huán)系統(tǒng)。前三個(gè)任務(wù)在本文中進(jìn)行介紹。隨著對(duì)一些實(shí)驗(yàn)結(jié)果的解釋，介紹了控制器執(zhí)行和完全系統(tǒng)測(cè)試的結(jié)果。二、建模和辨識(shí)二、建模和辨識(shí)振動(dòng)消除系統(tǒng)的主要組成部分是一個(gè)振動(dòng)電機(jī)。這個(gè)電機(jī)將被附在任何一個(gè)需要消除表面振動(dòng)的物體表面。在電機(jī)的外殼安裝一個(gè)加速計(jì)來(lái)檢測(cè)物體的振動(dòng)。電機(jī)外殼的加速度可以被感應(yīng)，而電機(jī)通過被控制產(chǎn)生自身振動(dòng)這樣一種方式來(lái)消除那些來(lái)自外部的干擾。消除振動(dòng)通過消力電機(jī)完成。那也就是數(shù)，他能實(shí)現(xiàn)的價(jià)值遠(yuǎn)遠(yuǎn)高于開環(huán)質(zhì)量。這個(gè)虛擬的質(zhì)量也有一個(gè)與之相關(guān)的相位角，所以加速度并不是完全與干擾力在同一個(gè)相位。虛質(zhì)量以為單位，GK它代表從干擾輸入信號(hào)到輸出信號(hào)的傳遞函數(shù)的幅度大小。WYAA參數(shù)辨識(shí)參數(shù)辨識(shí)進(jìn)行試驗(yàn)以確定兩個(gè)物塊、彈簧和阻尼值、電機(jī)強(qiáng)度的作用。首先，電機(jī)放置在一個(gè)厚的而且高度兼容的海綿中，使它從工作臺(tái)上孤立出來(lái)，近似成為一個(gè)自由的部署空間。通過觀察源頻率改變時(shí)的負(fù)載電壓，發(fā)現(xiàn)阻抗最大值出現(xiàn)在頻率為時(shí)。諧振頻率是HZ60（1）,/1202121MMMMMSRMKWRRR?????下一步，電機(jī)放置在實(shí)驗(yàn)室的長(zhǎng)凳上，使有效地連接到臺(tái)式物體上，在這種1M情況下的質(zhì)量非常大。由于質(zhì)量很大，的質(zhì)量接近于。有了這個(gè)設(shè)1M1MRM2M置，阻抗最大值的出現(xiàn)轉(zhuǎn)移到51HZ，所以（2）SRMKW/10222???整個(gè)電機(jī)的質(zhì)量為。假定懸掛的質(zhì)量可以忽略不計(jì)，根KGMM331121??據(jù)上述關(guān)系可以得到以下值,,KGM93701?KGM39402?MNK/100544??。通過的加速度的書面計(jì)算，來(lái)確定電機(jī)強(qiáng)度和粘性阻尼系數(shù)。1MSD（3）212122122221MMKSMMDSMMSFSMSFKDSSMSACDM????????是干擾力，是控制力。假定干擾力有一個(gè)零值，那么下面的大小關(guān)SFDSFC系會(huì)在高頻時(shí)保持。（4）,212111MMDSMIAMSIARWCMCMRR??????????在這里。CCISF??頻率響應(yīng)程度經(jīng)過了實(shí)驗(yàn)測(cè)定。公式（4）中和的數(shù)值為SD。//318,/973SMNDANS??BB狀態(tài)空間模型狀態(tài)空間模型通過上一節(jié)對(duì)測(cè)量方式的描述，對(duì)狀態(tài)空間模型將作如下定義的位置1M

簡(jiǎn)介：FRANKGJENNINGSTHEPROSPECTFORTHE“BOOK“ASANEDUCATIONALMEDIUM1ITISNOPROPHECYTOSAYTHATTHEBOOKWILLALWAYSBEWITHUSITISSIMPLYASTATEMENTOFLOWGRADEPHYSICALFACT,USEFULBUTTRIVIALTHEBOOKISNOTTOBEDEFENDED,BUTUSEDITSMAJORTECHNOLOGICALVIRTUEISITSSIMPLICITYOFCONSTRUCTIONAND,EXCEPTINITSGARGANTUANFORMSUCHASELEPHANTFOLIO,ITISHIGHLYPORTABLEITISIMPORTANTTOMAKETHEDISTINCTIONSUGGESTEDBYALBERTSZENTGYORGYIBETWEENBOOKSTHATHOLDINFORMATIONANDBOOKSTHATUSEINFORMATIONTHATIS,BETWEENBOOKSTHATAREREPOSITORIESANDBOOKSTHATAREEXPOSITORIESTHEFORMERAREUSEDTORELIEVETHEMINDFROMSELFCLUTTER,THELATTERTOAIDTHEMINDINREACHINGBEYONDACURRENTCONDITIONTHEDIFFERENCECANALSOBEEXPRESSEDASBETWEENTHEPOSITIONOFTHEARTISANANDTHEARTISTITISTHISDISTINCTION,HOWEVER,WHICHCAUSESAGREATDEALOFTROUBLE,ANDTHEBOOKISHOARDEDANDCHERISHEDASATREASUREITISEASYTOLEARNTOREADITISALOWGRADESKILLTHATCANBETAUGHTTOALLBUTTHEMOSTSEVERELYBRAINDAMAGEDBUTTOUSEREADINGTOOSOONANDTODEPENDUPONITTOOHEAVILYINTHEPROCESSESOFEDUCATIONISTOBLUNTAGOODTOOLBYINEXPERTUSEFIFTYYEARSAGOALFREDNORTHWHITEHEADWARNEDAMERELYWELLINFORMEDMANISTHEMOSTUSELES3BOREONGODSEARTHTEACHERSANDLIBRARIANSKNOWTHISTRUTHINTHEIRFRANKGYENNINGSISDIRECTOROFCOLLEGERELATIONS,TEACHERSCOLLEGE,COLUMBIAUNIVERSITY,UNITEDSTATES198MARROW,ANDIFTHEYAREUNEASYBEFORETECHNOLOGYSOPENHANDEDADVANCE,ITISBECAUSETHEYWILLNOTALLOWINFORMATIONTOBEMISTAKENFORWISDOMITISTHISIMPULSETHATIMPELLEDGORDONNRAY,INHISAMERICANLIBRARYASSOCIATIONADDRESSINNEWYORKINJULYI965ASREPORTEDINPUBLISHERSWEEKLY,I8JULYI965TOASSERTTHATTHEPROFESSIONWOULDBEILLADVISEDTOTURNFROMTHEEDUCATIONOFLIBRARIANSTOTHEMANUFACTUREOFINFORMATIONRETRIEVERSANDTHETRAININGOFSERVITORSINSYSTEMSANALYSISHECOMPLAINEDABOUTTHELONGOBSERVEDLACKOFFELLOWFEELINGBETWEENLIBRARIANSANDFACULTYMEMBERS,WHOOUGHTTOBEUNITEDASHESAIDINTHECOMMONWORLDOFLEARNINGRAYTOLDHISAUDIENCEINNEWYORKYOUSHOULDNOTONLYBELIBRARIANSBUTBOOKMENMAKEITEVIDENTTHATYOURINTERESTISINBOOKSTHEMSELVESASWELLASPROCEDURESFORMAKINGTHEMAVAILABLE,THATYOUAREBOOKMENFIRST,ANDADMINISTRATORS,TECHNICIANS,ANDEFFICIENCYEXPERTSSECONDRAYARGUEDTHATACOMPELLINGCASECANSTILLBEMADEFORTHEBOOKASTHEBESTSOURCEOFINFORMATIONONCEONEGOESBEYONDTHEBROAD,ELEMENTARYVIEWOFASUBJECT,THEOPPORTUNITIESITHISPAPERWASWRITTENFORTOIMPROVELEARNINGANEVALUATIONOFLNSTRUCTIONALTECHNOLOGY,PREPAREDBYTHECOMMISSIONONINSTRUCTIONALTECHNOLOGYEDITEDBYSIDNEYGTICKTONWITHTHESTAFFOFTHEACADEMYFOREDUCATIONALDEVELOPMENTINC,NEWYORKANDITDOESNOTWORRYTOOMUCHABOUTHURTBOOKSANDSCARREDFURNITURECLEVELANDSBRANCHLIBRARIESARECOMMUNITYCULTURECENTRESNOTMERELYPLACESWHEREGENTEELBOOKREVIEWTALKSAREGIVENONRAINYAFTERNOONS,BUTEXCITINGANDVITALPLACESWHERETHEVOTERREGISTRATIONDRIVESARELOCATED,WHEREISSUESOFHOUSINGARENOTONLYDISCUSSED,BUTWHEREPLANSFORIMPROVEMENTAREWORKEDUPANDPOSSIBLYEVENIMPLEMENTEDINTHEWORSTOFTHESLUMSTHEREISABRANCHTHATISNOTEVENCALLEDALIBRARYITISKNOWNASTHETREASUREHOUSEFORCHILDRENTHERETHECHIEFLIBRARIAN,MIRACLEOFMIRACLES,ISTHECHILDRENSLIBRARIANEVERYTHINGABOUTTHEPLACEISTHEREFORTHECHILDTHEFURNITURE,THEDECORATION,THEREADINGMATERIALSAREALLAIMEDATTHECHILDWHOISCULTURALLYDEPRIVEDTHEREARETUNNELSANDOTHERSECRETPASSAGES,AMUSEMENTDEVICES,GAMEAREASEVERYTHINGISPLOTTEDTOSEDUCETHECHILDRENINTOTHEBUILDINGANDMAKETHEMFEELCOMFORTABLEINTHESURROUNDINGANDSOCLEVELANDLEADSALLBIGCITIESINTHEUNITEDSTATESINTHENUMBEROFBOOKSBORROWEDNOTONLYBYCHILDRENBUTBYADULTSTHISISNOTTOSUGGESTTHATTHEUPLIFTINGOFTHEPOORSHOULDBETHELIBRARYSONLYCONCERNYETOURSISTHEFIRSTSOCIETYINHUMANHISTORYINWHICHTHEPOORAREAHELPLESSMINORITYTHEREFORE,ONEMUSTMEASURETHEEFFICACYOFOURENTERPRISESBYOURCAPACITYTOMAKEAHEALTHYDIFFERENCEINTHELIVESOFTHELEASTADVANTAGEDOFOURCITIZENSTHEWORLDATLARGEISUNDERGOINGGREATANDFUNDAMENTALCHANGESWEUSETHEWORDEXPLOSIONTOCHARACTERIZEMANYOFTHEMEVENWHENWEREALIYMEANCRISISTHECRISISINVALUES,THERISINGTIDEOFEXPECTATIONS,THEPOPULATIONEXPLOSION,THECULTURALEXPLOSIONTHEREISEVENAN