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簡介:第1頁共9頁中文中文74107410字關(guān)于中國自動控制領(lǐng)域發(fā)展的研究關(guān)于中國自動控制領(lǐng)域發(fā)展的研究程代展中國科學(xué)研究院數(shù)學(xué)與系統(tǒng)科學(xué)研究院系統(tǒng)與控制重點實驗室自動控制就是將控制技術(shù)與其他信息技術(shù)融合起來,自主控制工業(yè)過程,減少人為干預(yù)。自動化在社會,經(jīng)濟以及我們的日常生活中發(fā)揮著很重要的作用。控制論也就是自動化理論,是工程與數(shù)學(xué)交叉的一個學(xué)科分支,旨在監(jiān)測動態(tài)系統(tǒng)的運行。在工業(yè)制造自動化及其設(shè)備方面,中國有著悠久的歷史。近些年,中國在自動控制理論方面取得了長足進步,提出了許多新理論和新工程技術(shù),滿足了工業(yè),農(nóng)業(yè),國防以及社會的其他方面的需求。現(xiàn)代科學(xué)例如復(fù)雜性,系統(tǒng)多樣性,量子技術(shù)等,均發(fā)現(xiàn)其與控制學(xué)科的緊密聯(lián)系。另一方面,控制論本身還有許多尚未解決的需要更加深入研究的基礎(chǔ)性問題。本文旨在回顧中國在這些方面所取得發(fā)展和進步以及展望其未來的發(fā)展方向。關(guān)鍵字控制理論,高科技方向,當(dāng)代科學(xué),基礎(chǔ)性問題1對中國的控制論的簡要概述對中國的控制論的簡要概述自動化技術(shù)是社會生產(chǎn)力的一個關(guān)鍵因素。自動控制技術(shù)在工業(yè),國防以及能源供應(yīng),通信,交通運輸,工業(yè)制造,航空航天,導(dǎo)彈以及火箭導(dǎo)航等方面的發(fā)展上扮演著不可或缺的角色。一個國家的自動化程度體現(xiàn)著該國工業(yè)和國防的發(fā)展水平。自動控制系統(tǒng)可以簡述為一種含有某些可以辨識其行為元件的設(shè)備。由于執(zhí)行機構(gòu)能夠自主的進行控制行為,設(shè)備和進程也被稱為是自動化的。一個典型的案例是18世紀(jì)80年代由瓦特發(fā)明的浮力球控制器,通過檢測水龍頭的流量來調(diào)節(jié)進水閥的開關(guān)量。在5000多年的文明史上,作為四大文明古國之一,中國擁有不計其數(shù)的發(fā)明創(chuàng)造,當(dāng)然其中包含了大量的自動化器件和設(shè)備。其中,有用來檢測地震的地動儀(公元前139年─公元前78年),能夠自動識別南方的指第3頁共9頁就是直到20世紀(jì)90年代,控制論才被作為一個新的學(xué)科建立起來。當(dāng)然,在控制論中依舊有許多有待探討和違背解決的問題。但是控制論研究的主體方向已經(jīng)漸漸發(fā)生了改變。越來越多的注意力被聚焦在了高科技主導(dǎo)的控制論問題上。與純粹的數(shù)學(xué)運算相異的是,控制論根源于工程應(yīng)用領(lǐng)域,旨在研究解決實際的應(yīng)用問題。如果沒有工程應(yīng)用的背景和目的,那么控制論也將失去其存在的意義和價值與此同時,在許多高新技術(shù)領(lǐng)域,也出現(xiàn)了許多亟待解決的控制問題,這就向系統(tǒng)和控制領(lǐng)域的科學(xué)研究人員提出了新的挑戰(zhàn)。作為一門學(xué)科,概念越是寬泛,那么人們對其所獲成果的期望值也就越低將普通的控制論應(yīng)用于具有特殊性的高科技上,可能會產(chǎn)生更多型的問題和結(jié)果。作者已經(jīng)在相關(guān)的文獻里闡釋了他的觀點,本文中,我們會給出更多的高科技所要求的細節(jié),也許這正是針對控制論及其應(yīng)用所主要研究的課題。21網(wǎng)絡(luò)交互式控制系統(tǒng)當(dāng)今社會,網(wǎng)絡(luò)已經(jīng)成為我們?nèi)粘I畹囊粋€重要方面,也是先進技術(shù)發(fā)展的一個重要部分。得益于互聯(lián)網(wǎng),我們可以方便快捷的進行信息交互。網(wǎng)絡(luò)傳感器亦或是擁有一定計算存儲能力的執(zhí)行機構(gòu)節(jié)點,都可以遠程控制復(fù)雜的動態(tài)系統(tǒng)。與網(wǎng)絡(luò)交互系統(tǒng)緊密相關(guān)的是兩大基本控制問題,網(wǎng)絡(luò)的控制和網(wǎng)絡(luò)交互系統(tǒng)的控制。網(wǎng)絡(luò)互連有其特殊的問題,比如網(wǎng)絡(luò)擁堵,數(shù)據(jù)包丟失以及用于確定某些信息的數(shù)據(jù)延遲。為了確保大型網(wǎng)絡(luò)的工作效率,像互聯(lián)網(wǎng),對其進行故障監(jiān)測是個不小的挑戰(zhàn)。一個網(wǎng)絡(luò)交互控制系統(tǒng)是由一系列的動態(tài)單元構(gòu)成的。這些單元通過一個重要的交互網(wǎng)絡(luò)進行信息交換,以此達到操作和行為的協(xié)調(diào)性。網(wǎng)絡(luò)交互式控制系統(tǒng)的研究集中在以下幾個方面1系統(tǒng)模型的建立既然一個交互式控制系統(tǒng)是由傳感器,執(zhí)行元件和控制器構(gòu)成的,那么我們就有必要建立一個何時的模型來研究實際系統(tǒng)的動態(tài)性能和可控性。2控制器的分析和設(shè)計正是由于交互式控制系統(tǒng)有著自身獨特的特點如交互性,遲后性以及隨意性,所以設(shè)計此類型的控制系統(tǒng)時,在考慮如上特點時,就有必要建立新的分析模型和新的控制方案。3
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上傳時間:2024-03-16
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簡介:此文檔是畢業(yè)設(shè)計外文翻譯成品(含英文原文中文翻譯),無需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題AREVIEWONTHEAPPLICATIONSOFPROGRAMMABLELOGICCONTROLLERSPLCS外文作者EPHREMRYANALPHONSUS,MOHAMMADOMARABDULLAH文獻出處RENEWABLEANDSUSTAINABLEENERGYREVIEWS6020191185–1205如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文4996單詞,31840字符字符就是印刷符,中文8000漢字。(如果字?jǐn)?shù)多了,可自行刪減,大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進行翻譯的。)AREVIEWONTHEAPPLICATIONSOFPROGRAMMABLELOGICCONTROLLERSPLCSABSTRACTASTHENEEDOFAUTOMATIONINCREASESSIGNIFICANTLY,ACONTROLSYSTEMNEEDSTOBEEASILYPROGRAMMABLE,FLEXIBLE,RELIABLE,ROBUSTANDCOSTEFFECTIVEINTHISPAPERAREVIEWONTHEAPPLICATIONOFPROGRAMMABLELOGICCONTROLLERPLCINOURCURRENTMARKETISDISCUSSEDINVESTIGATIONSONTHEAPPLICATIONSOFPLCSINENERGYRESEARCH,ENGINEERINGSTUDIES,INDUSTRIALCONTROLAPPLICATIONSANDMONITORINGOFPLANTSAREREVIEWEDINTHISPAPERPLCSDOHAVEITSOWNLIMITATIONS,BUTFINDINGSINDICATETHATPLCSHAVEMOREADVANTAGESTHANLIMITATIONSTHISPAPERCONCLUDESTHATPLCSCANBEUSEDFORANYAPPLICATIONSWHETHERITISOFSIMPLEORCOMPLICATEDCONTROLSYSTEMKEYWORDSPLC;ENERGYSYSTEMS;INDUSTRIALCONTROL;MONITORING1INTRODUCTIONPROGRAMMABLELOGICCONTROLLERSPLCARECOMPUTERBASED,SOLIDSTATE,SINGLEPROCESSORDEVICESTHATEMULATETHEBEHAVIOROFANELECTRICLADDERDIAGRAM1CAPABLEOFCONTROLLINGMANYTYPESOFINDUSTRIALEQUIPMENTANDENTIREAUTOMATEDSYSTEMS2PLCSAREUSUALLYAMAINPARTOFAUTOMATICSYSTEMSININDUSTRY3THEYAREVERYEFFICIENTANDRELIABLEINAPPLICATIONSINVOLVINGSEQUENTIALCONTROLANDTHESYNCHRONIZATIONOFPROCESSESANDAUXILIARYELEMENTSINTHEMANUFACTURING,CHEMICALITMUSTPROVIDEFLEXIBILITYBYIMPLEMENTINGCIRCUITMODIFICATIONSQUICKLYANDEASILYTHROUGHSOFTWARECHANGESITMUSTBEDESIGNEDTOUSEAPROGRAMMINGLANGUAGEINLADDERDIAGRAMFORMALREADYFAMILIARTOTECHNICIANSANDELECTRICIANSITMUSTALLOWFIELDWIRINGTOBETERMINATEDONINPUT/OUTPUTTERMINALSOFTHECONTROLLERGMUSEDTHISLISTOFSPECIFICATIONSWHENITSOLICITEDINTERESTEDCOMPANIESTODEVELOPADEVICETHATMETITSDESIGNREQUIREMENTSDICKMORLEYCONCEIVEDTHEFIRSTPROGRAMMABLECONTROLLERONJANUARY1,196814WHENHISCOMPANY,GOULDMODICONCOMPANYDEVELOPEDTHEFIRSTPLC2,11,14,THEFIRSTMODEL084PLCWASINSTALLEDATTHEOLDSMOBILEDIVISIONOFGENERALMOTORSCORPORATIONANDTHELANDISCOMPANYINLANDIS,PENNSYLVANIATHEFIRSTPLCWASLARGEANDEXPENSIVETHEYWERECAPABLEOFONOFFCONTROLONLY,WHICHLIMITEDTHEIRAPPLICATIONSTOOPERATIONSTHATREQUIREDREPETITIVEMOVEMENTSINNOVATIONSANDIMPROVEMENTSINMICROPROCESSORTECHNOLOGYANDSOFTWAREPROGRAMMINGTECHNIQUESHAVEADDEDMOREFEATURESANDCAPABILITIESTOTHEPLCTHISENHANCEMENTSENABLETHEPLCTOPERFORMMORECOMPLEXMOTIONANDPROCESSCONTROLAPPLICATIONS,ANDWITHGREATERSPEEDPRESENTLY,MORETHANADOZENMANUFACTURERSPRODUCEPLCS,TABLE1MOSTOFTHESECOMPANIESMAKESEVERALMODELSTHATVARYINSIZE,COSTANDSOPHISTICATIONTOMEETTHENEEDSOFSPECIFICAPPLICATIONS
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上傳時間:2024-03-11
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大?。?1.03(MB)
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簡介:1STRATEGIESFORAUTOMATEDMAINTENANCEOFBELTCONVEYORSYSTEMSPROFDRIRGABRIELLODEWIJKS1DELFTUNIVERSITYOFTECHNOLOGY,THENETHERLANDSSUMMARYTHISPAPERDISCUSSESAUTOMATIONOFMAINTENANCEOFBELTCONVEYORSYSTEMS,INPARTICULAROFIDLERROLLSAUTOMATIONOFMAINTENANCEISAPROMISINGALTERNATIVEFOROUTSOURCINGMAINTENANCE,INPARTICULARWHENLOOKINGATTHEEFFICIENCY,ACCURACY,ANDCOSTSINORDERTOOPTIMISEMAINTENANCEEFFORTS,THECONCEPTOFINTELLIGENTMAINTENANCEISINTRODUCEDTHEPOWEREDMAINTENANCETROLLEYTHATCANTRAVELAUTONOMOUSLYOVERTHESTRUCTUREOFABELTCONVEYORISADAPTEDASAPLATFORMOFTHEMAINTENANCESYSTEMONTHISTROLLEY,DATAACQUISITIONEQUIPMENTFORVIBRATIONANALYSISISINSTALLEDDATAMININGCANBEDONEEITHERONBOARDOFTHETROLLEYORINACENTRALCOMPUTERDEPENDINGONTHEMAINTENANCESTRATEGYTHEOPTIMUMMAINTENANCESTRATEGYISDETERMINEDBYALOGISTICSIMULATIONMODELTHATACCOUNTSFORTHELAYOUTOFTHEBELTCONVEYORITSELFANDTHEACCURACYOFTHEINFORMATIONONTHEREMAININGLIFETIMEOFITSCOMPONENTS1INTRODUCTIONTODAYMOREANDMORECOMPANIESOUTSOURCEMAINTENANCEINANATTEMPTTOBALANCETHEBUDGETANDREDUCETHENUMBEROFPERMANENTSTAFFMEMBERSOUTSOURCINGMAINTENANCEHOWEVERONLYWORKSIFTHECOMPANYTHATTAKESOVERMAINTENANCEEMPLOYSWELLTRAINEDANDEXPERIENCEDPERSONNELTHATSTAYSONASPECIFICJOBFORACONSIDERABLETIMEUNFORTUNATELY,REALITYISDIFFERENTANDMANYCOMPANIESHAVEPOOREXPERIENCESWITHEXTERNALCOMPANIESPERFORMINGMAINTENANCEINGENERAL,MAINTENANCEONBELTCONVEYORSYSTEMSCANBEDIVIDEDINTOINSPECTIONORCONDITIONMONITORINGOFTHETOTALSYSTEMANDREPLACEMENTAND/ORREPARATIONINSHORTSERVICINGOFITSCOMPONENTSMOSTPROBLEMSEXPERIENCEDWITHOUTSOURCEMENTOFMAINTENANCEAREASSOCIATEDWITHTHEINSPECTIONORCONDITIONMONITORINGOFASYSTEMITISNOTTRIVIALTOACCESSTHESTATUSOFSOMETIMESMOVINGCOMPONENTSOFABELTCONVEYORTHESAMEEXPERIENCEDPERSONSHOULDTHEREFORECARRYOUTINSPECTIONSONAREGULARBASISTOOVERCOMEOPERATIONALPROBLEMSCAUSEDBYALACKOFEXPERIENCEOFEXTERNALMAINTENANCEPERSONNEL,THEINSPECTIONOFBELTCONVEYORCOMPONENTSCANBEAUTOMATEDINTHISWAYKNOWLEDGEOFFOREXAMPLEWEARRATESANDREPLACEMENTSCHEDULESCANBEBUILTUPINADATABASESYSTEMTHEEXTERNALMAINTENANCECREWTHENCANBEUSEDTOREPLACETHEWORNOFFCOPYRIGHTISVESTEDWITHIMHCCOPYRIGHTISVESTEDWITHIMHC3MAINTENANCESYSTEMTHATENABLESMAINTENANCEAUTOMATIONINTELLIGENCEHEREISDEFINEDASTHEABILITYTOMAKEDECISIONSBASEDONINFORMATIONGATHEREDTHROUGHSENSORSINTHEEQUIPMENTORPROVIDEDBYTHECONTROLSYSTEMOFTHETOTALTRANSPORTSYSTEMAPPLIEDTOBELTCONVEYORSYSTEMSTHEINFORMATIONGATHEREDFROMASYSTEMISINFORMATIONONTHELIFEEXPECTANCYOFINDIVIDUALCOMPONENTSASFOREXAMPLEIDLERROLLSTHISINFORMATIONLEADSTOADECISIONEITHERTOINSPECTACERTAINIDLERSTATIONANDITSROLLSMOREFREQUENTLYORTOCHANGEAROLLFORANEWROLLREPAIRINGINFACTHEREMEANSCHANGINGONEROLLFORANOTHERWHETHERORNOTAROLLCANBEREPAIREDANDTHEEFFECTOFTHATONTHEBELTCONVEYOR’SPERFORMANCEISOUTSIDETHESCOPEOFTHISSTUDYTHEMAINISSUEINTHISSTUDYISTHEQUESTIONHOWANAUTOMATEDINSPECTIONSTRATEGYISAFFECTEDBYTHEACCURACYOFTHEDATAACQUIREDINTHEORYTHEREARETWOOUTERLIMITSINPREDICTIVEMAINTENANCETHEFIRSTISTHATNOACCURATEINFORMATIONOFTHEROLLSISAVAILABLEATALL,BASICALLYMEANINGTHATANASSESSMENTOFTHEREMAININGLIFETIMEISMADEPURELYONTHEBASISOFHISTORICALDATAPROVIDEDBYTHEROLLORBEARINGMANUFACTURERSPREDICTIVEMAINTENANCEBASEDONSTATISTICSTHESECONDISTHATDURINGINSPECTIONVERYACCURATEINFORMATIONONTHESTATUSOFROLLSISGENERATEDENABLINGANACCURATEASSESSMENTOFTHEREMAININGLIFETIMEOFANINDIVIDUALROLLPREDICTIVEMAINTENANCEBASEDONDATAALOGISTICSIMULATIONMODELISMADETODETERMINETHEEFFECTOFTHEACCURACYOFDATAACQUIREDONAUTOMATEDINSPECTIONSTRATEGIESTHISMODELISDISCUSSEDINSECTION53EXISTINGINSPECTIONSYSTEMSONEPROBLEMFACEDWITHINSPECTIONORCONDITIONMONITORINGOFCOMPONENTSOFBELTCONVEYORS,INCLUDINGTHEBELT,PULLEYSANDIDLERROLLS,ISTHATTHEYROTATESINCETHECONDITIONOFCOMPONENTSLIKEROLLSANDPULLEYSCANONLYBEASSESSEDWHENTHEYAREROTATING,ONLYCONDITIONMONITORINGSYSTEMSBASEDONVIBRATIONANALYSISORACOUSTICALMONITORINGCANBEUSEDTHEOPPOSITEHOLDSFORTHEBELTTHEBELT’SCONDITIONCANONLYBEINSPECTEDWHENTHEBELTCONVEYORSYSTEMISNOTOPERATINGEITHERWAY,ANINSPECTORHASTOWALKTHEFULLLENGTHOFTHECONVEYORTOINSPECTITSCOMPONENTSANASSOCIATEDPROBLEMISTHATPULLEYSMAYBEFARAPARTFROMEACHOTHERORTHATTHECONVEYORHASAGREATLENGTHTOEASEINSPECTIONINTHESECASESAPOWEREDMAINTENANCETROLLEYCANBEUSEDFORINSPECTIONPURPOSESTHECONCEPTOFAPOWEREDMAINTENANCETROLLEYISNOTNEWANEARLYEXAMPLEOFAMAINTENANCETROLLEYUSEDONABELTCONVEYORSYSTEMWASTHETROLLEYUSEDONTHE100KMPHOSBOUCRAAOVERLANDSYSTEMBUILTBYKRUPPINTHE70TIESTOTRANSPORTRAWPHOSPHATEACROSSADISTANCEOF100KMFROMINSIDETHEWESTSAHARAACROSSADESERTOFSTONESTOTHELOADINGPOINTONTHECOASTTHISLONGDISTANCECONVEYORSYSTEM,CONSISTINGOFBELTSYSTEMSWITHCENTREDISTANCESOF68TO117KM,APPLIEDAMAINTENANCETROLLEYCONCEPT
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上傳時間:2024-03-13
頁數(shù): 18
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簡介:本文是中英對照畢業(yè)設(shè)計論文外文文獻翻譯,下載后無需調(diào)整復(fù)雜的格式直接可用一輩子也就一次的事文獻作者引用出處信息KEVINMORAN,MARIOLINARESVA′SQUEZ,CARLOSBERNALCA′RDENAS,CHRISTOPHERVENDOME,ANDDENYSPOSHYVANYK,AUTOMATICALLYDISCOVERING,REPORTINGANDREPRODUCINGANDROIDAPPLICATIONCRASHES,2018IEEEINTERNATIONALCONFERENCEONSOFTWARETESTING,VERIFICATIONANDVALIDATIONICST如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文5721單詞,37485字符字符就是印刷符,中文9904漢字。(如果字?jǐn)?shù)多了,可自行刪減,大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進行翻譯的。)AUTOMATICALLYDISCOVERING,REPORTINGANDREPRODUCINGANDROIDAPPLICATIONCRASHESABSTRACTMOBILEDEVELOPERSFACEUNIQUECHALLENGESWHENDETECTINGANDREPORTINGCRASHESINAPPSDUETOTHEIRPREVAILINGGUIEVENTDRIVENNATUREANDADDITIONALSOURCESOFINPUTSEG,SENSORREADINGSTOSUPPORTDEVELOPERSINTHESETASKS,WEINTRODUCEANOVEL,AUTOMATEDAPPROACHCALLEDCRASHSCOPETHISTOOLEXPLORESAGIVENANDROIDAPPUSINGSYSTEMATICINPUTGENERATION,ACCORDINGTOSEVERALSTRATEGIESINFORMEDBYSTATICANDDYNAMICANALYSES,WITHTHEINTRINSICGOALOFTRIGGERINGCRASHESWHENACRASHISDETECTED,CRASHSCOPEGENERATESANAUGMENTEDCRASHREPORTCONTAININGSCREENSHOTS,DETAILEDCRASHREPRODUCTIONSTEPS,THECAPTUREDEXCEPTIONSTACKTRACE,ANDAFULLYREPLAYABLESCRIPTTHATAUTOMATICALLYREPRODUCESTHECRASHONATARGETDEVICESWEEVALUATEDCRASHSCOPE’SEFFECTIVENESSINDISCOVERINGCRASHESASCOMPAREDTOFIVESTATEOFTHEARTANDROIDINPUTGENERATIONTOOLSON61APPLICATIONSTHERESULTSDEMONSTRATETHATCRASHSCOPEPERFORMSABOUTASWELLASCURRENTTOOLSFORDETECTINGCRASHESANDPROVIDESMOREDETAILEDFAULTINFORMATIONADDITIONALLY,INASTUDYANALYZINGEIGHTREALWORLDANDROIDAPPCRASHES,WEFOUNDTHATCRASHSCOPE’SREPORTSAREEASILYREADABLEANDALLOWFORRELIABLEREPRODUCTIONOFCRASHESBYPRESENTINGMOREEXPLICITINFORMATIONTHANHUMANWRITTENREPORTSIINTRODUCTIONCONTINUEDGROWTHINTHEMOBILEHARDWAREANDAPPLICATIONMARKETPLACEISBEINGDRIVENBYALANDSCAPEWHEREUSERSTENDTOPREFERMOBILESMARTDEVICESANDAPPSFORTASKSOFCONTEXTUALFEATURES,SUCHASTHEORIENTATIONOFTHEDEVICE,WIRELESSINTERFACES,ANDSENSORSWESPECIFICALLYTAILOREDTHESEFEATURESTOTESTTHECOMMONCAUSESOFAPPCRASHESASIDENTIFIEDBYPREVIOUSSTUDIES26,45,79DURINGEXECUTION,CRASHSCOPECAPTURESDETAILEDINFORMATIONABOUTTHESUBJECTAPP,SUCHASTHEINPUTSSENTTOTHEDEVICE,SCREENSHOTSANDGUIINFORMATION,EXCEPTIONS,ANDCRASHINFORMATIONTHISINFORMATIONISTHENTRANSLATEDINTODETAILEDCRASHREPORTSANDREPLAYABLESCRIPTS,FORANYENCOUNTEREDCRASHTHISPAPERMAKESTHEFOLLOWINGNOTEWORTHYCONTRIBUTIONS1WEDESIGNANDIMPLEMENTAPRACTICALANDAUTOMATICAPPROACHFORDISCOVERING,REPORTING,ANDREPRODUCINGANDROIDAPPLICATIONCRASHES,CALLEDCRASHSCOPETOTHEBESTOFTHEAUTHOR’SKNOWLEDGE,THISISTHEFIRSTAPPROACHTHATISABLETOGENERATEEXPRESSIVE,DETAILEDCRASHREPORTSFORMOBILEAPPS,INCLUDINGSCREENSHOTSANDAUGMENTEDNLREPRODUCTIONSTEPS,INACOMPLETELYAUTOMATICFASHIONCRASHSCOPEISALSOONEOFTHEONLYAVAILABLEFULLYAUTOMATEDANDROIDTESTINGAPPROACHESTHATISPRACTICALFROMADEVELOPERS’PERSPECTIVE,REQUIRINGNOINSTRUMENTATIONOFTHESUBJECTAPPSOROSOURAPPROACHBUILDSUPONPRIORRESEARCHINAUTOMATEDINPUTGENERATIONFORMOBILEAPPS,ANDIMPLEMENTSSEVERALEXPLORATIONSTRATEGIES,INFORMEDBYLIGHTWEIGHTSTATICANALYSISTHATAREABLETOEFFECTIVELYDETECTCRASHESANDEXCEPTIONS2WEPERFORMADETAILEDEVALUATIONOFTHECRASHDETECTIONABILITIESOFCRASHSCOPEON61ANDROIDAPPSASCOMPAREDTOFIVESTATEOFTHEARTANDROIDINPUTGENERATIONTOOLSDYNODROID53,GUIRIPPER17,PUMA36,A3E20,ANDMONKEY7OURRESULTSSHOWTHATCRASHSCOPEPERFORMSNEARLYASWELLASCURRENTTOOLSINTERMSOFDETECTINGCRASHES,WHILEAUTOMATICALLYGENERATINGDETAILEDREPORTSANDREPLAYABLESCRIPTS3WEDESIGNANDCARRYOUTAUSERSTUDYEVALUATINGTHEREPRODUCIBILITYANDREADABILITYOFOURAUTOMATICALLYGENERATEDBUGREPORTSTHROUGHCOMPARISONTOHUMANWRITTENCRASHREPORTSFOREIGHTOPENSOURCEAPPSTHERESULTSINDICATETHATCRASHSCOPEREPORTSOFFERMOREDETAIL,WHILEBEINGATLEASTASUSEFULASTHEHUMANWRITTENREPORTS4WEMAKEOUREXPERIMENTALDATASETANDCRASHREPORTSAVAILABLEINOURONLINEAPPENDIX58IIRELATEDWORKMOTIVATIONINTHISSECTION,WEOVERVIEWTHECURRENTLANDSCAPEOFAUTOMATEDTESTINGANDINPUT
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上傳時間:2024-03-12
頁數(shù): 33
大?。?0.49(MB)
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簡介:INTJADVMANUFTECHNOLDOI101007/S0017000605057ORIGINALARTICLEHUICHAOSHANGYOUPINGCHENWENYONGYUZUDEZHOUONLINEAUTODETECTIONMETHODANDSYSTEMOFPRESSWORKQUALITYRECEIVED1SEPTEMBER2005/ACCEPTED25OCTOBER2005/PUBLISHEDONLINE11APRIL2006SPRINGERVERLAGLONDONLIMITED2006ABSTRACTANONLINEAUTODETECTIONMETHODANDSYSTEMOFPRESSWORKQUALITYISSTUDIEDINTHISPAPERANEVALUATIONCRITERIONFORREALTIMEGATHEREDIMAGESOFMULTICOLORPRINTINGISPROPOSEDINTEGRATEDDESIGNINGANDOPTIMIZINGMAKEITTRANSPARENTTHEKEYFACTORSINFLUENCINGTHEREALTIMEPERFORMANCEOFADETECTIONALGORITHMASUBSPACEBASEDREGISTRATIONALGORITHMTHATACCELERATEDTHESEARCHSPEEDISPRESENTED,ANDTHEDYNAMICREFRESHINGOFAREFERENCEIMAGEAVOIDEDTHECUMULATIVEDEPARTUREANDIMPROVEDTHEREGISTRATIONPRECISIONTOOBTAINTHEPOSITIONANDGEOMETRICCHARACTERISTICSOFVARIOUSDEFECTSINREALTIME,AMETHODOFTHRESHOLDINGBYCLUSTERANDLINEBYLINESCANNINGOFADYNAMICARRAYISPROPOSEDTOEXTRACTANDMERGEDEFECTSFINALLY,GEOMETRICCHARACTERISTICSANDSTATISTICSPARAMETERSAREADOPTEDTOCLASSIFYANDIDENTIFYTHEMASSIVEDEFECTS,DISCRETEDOTSDEFECTS,ANDLINEARDEFECTSAMOTIONIMAGEACQUISITIONSYSTEMANDDISTRIBUTEDCOMPUTERPROCESSINGSYSTEMAREDESIGNEDEXPERIMENTALSTUDYANDPRACTICALRUNNINGINDICATESTHATDEFECTSINCLUDINGSTRIA,SPLASHINK,BLOWBY,FOREIGNBODIES,ETCCOULDBEDETECTED,DISPLAYED,STORED,ANDWARNEDINREALTIMETHEDETECTIONSPEEDREACHED250M/MINANDTHEPRECISIONREACHED0375MMINTHERUNNINGDIRECTIONAND015MMINTHECROSSINGDIRECTIONKEYWORDSONLINEDETECTIONAUTOMATICDETECTIONPRESSWORKQUALITYIMAGEPROCESSING1INTRODUCTIONBYTHEINTEGRATIONOFDESIGNINGANDPROCESSINGCONTROLINFORMATION,MACHINEVISIONSYSTEMSCOULDOBTAINVASTAMOUNTSOFINFORMATIONQUICKLYANDEASILYTHEREFORE,MACHINEVISIONTECHNOLOGYHASBEENRECEIVINGALOTOFATTENTIONRECENTLYASANINSPECTIONMETHOD,ANDHASBEENAPPLIEDINALLKINDSOFINDUSTRYINSPECTIONPROCESSES,SUCHASPOSTBONDING1,DEFECTSOFSTEELSURFACES2,FABRICINSPECTION3,FAULTOFWATERBOTTLES4,COINSDETECTION5,ETCTHEONLINEDETECTIONOFPRESSWORKFALLSINTOTHEAPPLICATIONOFMACHINEVISIONINTHEINDUSTRYDETECTIONDOMAINTHECUSTOMDETECTIONMETHODSTOPRESSWORKINCLUDEMANUALRECHECKINGAFTERPRESSWORK,NAKEDEYEOBSERVATIONONLINE,MONITORINGTHROUGHMONITORPROCESSESANDRANDOMINSPECTION,ETC,ANDHAVETHEDISADVANTAGESTHATINCLUDESEVEREWASTEOFROUGHMATERIAL,VISUALFATIGUE,RANDOMINSPECTIONUNABLETOGUARANTEETHEOVERALLQUALITY,ANDSOONWITHTHEDEVELOPINGOFPRESSTECHNOLOGY,THEINCREASINGOFPRESSSPEED,ANDTHECOMPLEXITYOFDATAANDINFORMATION,THEMANUALMODESOFPRINTINGQUALITYCONTROLHAVEALREADYBECOMEUNFITFORTHEPRACTICEDEMANDOFTHEPRESSINDUSTRYTOGUARANTEETHEPRINTINGQUALITYOFPRESSWORKOVERALLANDRAISETHEPRODUCTIONRATE,ITISESSENTIALTOPERFORMREALTIMEONLINEQUALITYDETECTIONFORPRESSWORKINRECENTYEARS,THEWIDEAPPLICATIONOFHIGHSPEEDCCDINDUSTRIALCAMERATECHNOLOGYANDHIGHPERFORMANCEMICROCOMPUTERSHAVEPROVIDEDBETTERHARDWAREPERFORMANCESFORTHEREALIZINGOFREALTIMEONLINEQUALITYDETECTION6THESTUDYOFHIGHREALTIMEPERFORMANCEALGORITHMSANDTHERESEARCHOFONLINEAUTOMATICDETECTIONSYSTEMSTOPRESSWORKHAVEBEENPRESENTEDTOCOPEWITHTHECUSTOMERDEMANDTHEDRIVINGFORCEBEHINDTHESEMACHINEVISIONSYSTEMSISTHE20–40REDUCTIONINPRINTWASTE,ANDTHESYSTEMSALLOWPRESSESTOOPERATEATHIGHSPEEDANDALSOENABLEPACKAGEPRINTERSTOMEETTHEPRODUCTIVITYREQUIREMENTSNECESSARYTOENSURELASTINGCUSTOMERSATISFACTION7APPLICATIONSPECIFICMACHINEVISIONSYSTEMSORVIDEOINSPECTIONSYSTEMSDEVELOPEDFORTHEPRINTINGINDUSTRY,LIKEALLMACHINEVISIONPRODUCTS,CAPTUREANIMAGEFROMEITHERANAREACAMERAORALINEARARRAYTHEIMAGESAREDIGITIZEDANDMANIPULATEDINVARIOUSWAYS,DEPENDINGONTHESPECIFICNICHEAPPLICATIONSTHATTHESYSTEMISDESIGNEDHCSHANGYPCHENWYYUZDZHOUROOM107,D8ENGINEERINGRESEARCHCENTEROFNUMERICALCONTROLSYSTEM,SCHOOLOFMECHANICALSCIENCEANDENGINEERING,HUAZHONGUNIVERSITYOFSCIENCEANDTECHNOLOGY,430074WUHAN,HUBEI,PEOPLE’SREPUBLICOFCHINAEMAILSH_HC126COMTEL862787541482332007756–765TOSATISFYTHISREQUIREMENT,ANOPTICSYSTEMTHATCOULDIMPLEMENTHIGHSPEEDIMAGEACQUISITIONSHOULDBEDESIGNEDTHEOPTICSYSTEMOFIMAGEACQUISITIONISCOMPOSEDOFACAMERA,LENS,ILLUMINATIONSYSTEM,ETCATR33LINESCANCAMERAOFTHEDALSACORPORATIONISADOPTEDINTHEDETECTIONSYSTEMTHEPIXELNUMBERPERLINEIS2,048ANDITSLINERATEISEQUALTO11KHZ,WHICHFULFILSTHEDEMANDSOFTHEIMAGEACQUISITIONSYSTEMFORHIGHSPEEDMOTIONTARGETSTHREEHIGHPERFORMANCELINESCANSENSORS3CCDCOLLECTHIGHQUALITYIMAGEINFORMATIONFROMTHEPRISMANDPASSESITTOTHEINTEGRATEDSIGNALPROCESSINGCIRCUITS,ANDTHISALLOWSTHECAMERATOADAPTTOVARIATIONSINTHEINTENSITYANDSPECTRAOFTHEUTILIZEDLIGHTSOURCETHELENSADOPTEDINTHESYSTEMISANIKON50MMNORMALLENS,WHICHHASTHEMERITSOFLESSDISTORTION,HIGHREDUCTIONPERFORMANCE,HIGHSUITABILITYTOVARIOUSPOLARIZINGSCREENSTOMAKEITEASYTOCONTROLTHEDIRECTIONOFTHERAYSENTERINGTHELENS,ANDALARGEAPERTURE,WHICHCANFULFILLTHEDEMANDOFAHIGHSPEEDSHUTTERINRELATIONTOTHELIGHTQUANTITYINTHECONDITIONSOFHIGHSPEEDMOVEMENTTHEDESIGNOFTHEILLUMINATIONSYSTEMISANIMPORTANTELEMENTOFMACHINEVISIONSYSTEMDESIGNTHEILLUMINATIONSYSTEMOFANACQUISITIONDEVICESHOULDENSURETHATTHEGATHEREDIMAGEHASLESSDISTORTION,LESSDEFORMATION,NOAPPARENTCOLORCAST,ANDNOREFLECTHALATIONANDGLAREONONEHAND,BUTITSHOULDALSOENSURETHATTHEACQUIREDIMAGEHASFLORIDCOLOR,DISTINCTDETAILS,UNIFORMITYOFINTENSITY,ETCONTHEOTHERHANDBYTHECONSIDERATIONOFTHESPECTRUM,COLORTEMPERATURERANGE,LIFE,COST,ANDCOMPLEXITYOFDIFFERENTLIGHTSOURCES,AFLUORESCENCELAMPWITHACOLORTEMPERATUREOF6500KISADOPTEDINOURSYSTEMLIGHTPATHDESIGNDETERMINESTHEPERFORMANCEOFTHEILLUMINATIONSYSTEMINTHEDESIGNPROCESSINGOFTHELIGHTPATH,THELENSVIEWFIELD,DISTANCEBETWEENTHEILLUMINATIONSYSTEMANDTHEACQUISITIONTARGET,SURFACECONDITIONOFTHEACQUISITIONTARGET,ANDTHEIMAGINGOBJECTIVELENSAREALLELEMENTSTHATNEEDTOBECONSIDEREDINOUREXPERIMENT,THELENS’FOCALDISTANCEIS50MM,THEFIELDANGLEIS46°,THEVERTICALDISTANCEBETWEENTHELIGHTSOURCEANDPRESSWORKIS40MM,ANDTHEACQUISITIONTARGETISTHEWEBCOLORPRESSWORKTHELIGHTSOURCEISMOUNTEDINBETWEENTHECAMERAGROUPANDTHEACQUISITIONTARGETITHASENCLOSEDSTRUCTUREANDSHOULDBESETASNEARASPOSSIBLETOTHEACQUISITIONTARGETSOASTOMAKETHEBESTEFFORTTOSUPPRESSTHEINTERFERENCEOFAMBIENTLIGHTATTHESAMETIME,AHIGHFREQUENCYFLUORESCENCELAMPBALLASTISDESIGNEDTOGUARANTEETHATTHEGATHEREDIMAGEHASUNIFORMINTENSITYANDNOFLASHINGFIGURE2ISADIAGRAMMATICSKETCHOFTHEENCLOSEDLIGHTSOURCEFOURSTRIPLAMPSAREDIVIDEDINTOTWOEUDIPLEURALGROUPS,UPPERANDLOWERPARTOFTHELIGHTEMITTEDFROMUPPERSTRIPLAMPEXPOSESONTHEPRESSWORKSURFACETHROUGHTHELIGHTTRANSMISSIONGLASSDIRECTLYANOTHERPARTEXPOSESONTHEPRESSWORKSURFACETHROUGHTHELIGHTREFLECTIONPLATEINDIRECTLYTOENHANCETHELUMINOUSINTENSITYTHELIGHTEMITTEDFROMTHELOWERSTRIPLAMPCANNOTEXPOSEONTHEPRESSWORKSURFACEDIRECTLY,BUTEXPOSESONTHEPRESSWORKSURFACETHROUGHTHESCATTEREDREFLECTIONPLATETHESCATTEREDREFLECTIONLIGHTCOULDNOTONLYENHANCETHELUMINOUSINTENSITY,BUTITISALSOABLETOSOFTENTHELIGHTEXPOSEDONTHEPRESSWORKSURFACEANDELIMINATEGLARETHEWHOLELIGHTPATHFORMSALINEARLIGHTSOURCE,WHOSEDIRECTIONISPARALLELTOTHEAXIALLINEOFTHEPRESSROLLANDWHOSEILLUMINATEDRANGEISALINEARAREANEARTHEMIDDLELINEOFTHEPRESSROLLSURFACETHEREISASLITINTHETOPMIDDLEOFTHELIGHTSOURCETHATISMADEUPBYAPAIROFPARALLELBAFFLEPLATESTHEIMAGEOFTHEILLUMINATEDAREAENTERSTHECAMERALENSTHROUGHTHESLITTOREALIZETHESCANOFTHEPRESSWORKIMAGETHESETUPANDPOSITIONOFTHECAMERAISANIMPORTANTELEMENTOFTHELIGHTPATHDESIGNALSO,ANDTHISFUNCTIONISHOSTCOMPUTERSLAVECOMPUTER1SLAVECOMPUTER2CAMERA2CAMERA1PHOTOELECTRICENCODERLIGHTSOURCEPRESSWORKALARM1ROLLOPERATINGCONSOLEALARM2NETWORKHUBFIG1STRUCTUREOFTHEDETECTIONSYSTEMANDTHERELATIONSHIPBETWEENCOMPONENTSUPSTRIPLAMPLENSSLITGLASSDOWNSTRIPBAFFLEPLATEREFLECTIONPLATEDISPERSIONPLATELIGHTBARRIERROLLFIG2SCHEMATICDIAGRAMOFTHELIGHTPATHOFTHELIGHTSOURCE758
下載積分: 10 賞幣
上傳時間:2024-03-13
頁數(shù): 10
大?。?0.22(MB)
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簡介:本文是中英雙語對照畢業(yè)設(shè)計論文外文文獻翻譯,下載之后無需調(diào)整復(fù)雜的格式直接可用一輩子也就一次的事外文標(biāo)題EXPLOITINGBLUETOOTHONANDROIDMOBILEDEVICESFORHOMESECURITYAPPLICATION外文作者KAKATAMMADHANRAYAPAREDDY,MRVASHOK,PRAVIKUMAR文獻出處INTERNATIONALJOURNALOFVLSISYSTEMDESIGNANDCOMMUNICATIONSYSTEM,VOL3,ISSUE10,2019如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文2961單詞,18812字符字符就是印刷符,中文4751漢字。(如果字?jǐn)?shù)多了,可自行刪減,大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進行翻譯的。)EXPLOITINGBLUETOOTHONANDROIDMOBILEDEVICESFORHOMESECURITYAPPLICATIONABSTRACTTHEREMOTEAPPLIANCESCONTROLSYSTEMBASEDONTHEANDROIDSMARTPHONEGUIISDESIGNEDONANDROIDSMARTPHONEAUSERLOGSINTOTHESMARTANDROIDPHONEINTERFACE,ANDCLICKSTHEBUTTONSGENTLYTOSENDMESSAGECOMMANDSFROMTHEGUIWHICHWILLBETRANSMITTEDTOHOMEINFORMATIONCENTERTHROUGHTHEGSMNETWORKTHENTHEAVRATMEGAPROCESSORRECOGNIZESTHESPECIFIEDCOMMAND,ANDCONTROLSTHEHOMEAPPLIANCESWITCHESINTHEWIRELESSRADIOFREQUENCYMANNERTOACHIEVEREMOTECONTROLOFAPPLIANCESULTIMATELYTHISSEMINARFOCUSESONTHEDESIGNOFANDROIDTERMINAL,THECOMMUNICATIONBETWEENPICANDGSMMODULE,THEREALIZATIONOFTHEWIRELESSMODULEDEVICE’SDRIVER,THEDIFFICULTYINSUPPLYINGTHEAPPROPRIATELOWVOLTAGEDCFORMCUANDWIRELESSMODULEJUSTBYASINGLELIVEWIRETHEUSERSCANMANIPULATEAPPLIANCESANYTIME,ANYWHERE,LETTINGOURHOUSESBECOMEMOREANDMOREAUTOMATEDANDINTELLIGENTTHEREARESOMEPROBLEMSINTHEPCMONITORTERMINAL,SUCHASITSGREATBULK,INCONVENIENCETOCARRY,HIGHCOST,LIMITEDMONITORINGRANGEANDSOONTHEREFORE,IT’SAGOODCHOICETODESIGNATERMINALBASEDONPHONEIINTRODUCTIONWITHTHEDEVELOPMENTOFTECHNOLOGYANDTHECONTINUOUSIMPROVEMENTOFPEOPLESOFTECHNOLOGY,ASSISTANTPROJECTSCANBEDEVELOPEDTOOVERCOMETHEIRDIFFICULTIESSMARTHOMESCANALSOBEUSEDTOSUPPORTDISABLEDPEOPLE,PROVIDINGSAFE,SECUREANDEMPOWERINGENVIRONMENTSTHESYSTEMCANALLOWTHEUSERTOCONTROLMANYFEATURESORAUTOMATETHEMTHEENVIRONMENTCANALSOBEMONITOREDBYTHESMARTHOMESYSTEMTOENSURESAFETYANDALERTPEOPLEWHENTHEREISSOMEDANGEROUSSITUATIONTHEUSERSCANMANIPULATEAPPLIANCESANYTIME,ANYWHERE,LETTINGOURHOUSESBECOMEMOREANDMOREAUTOMATEDANDINTELLIGENTATPRESENT,THEPCISUSEDASTHEREMOTECONTROLTERMINALFORMOSTHOMECONTROLSYSTEMSHOWEVER,THEREARESOMEPROBLEMSINTHEPCMONITORTERMINAL,SUCHASITSGREATBULK,INCONVENIENCETOCARRY,HIGHCOST,ANDLIMITEDMONITORINGRANGEANDSOONTHEREFORE,IT’SAGOODCHOICETODESIGNATERMINALBASEDONPHONEIISYSTEMARCHITECTUREASYSTEMOVERVIEWTHESYSTEMISCOMPOSEDOFANDROIDMOBILETERMINAL,GSMNETWORK,HOMEINFORMATIONCENTERANDWIRELESSSWITCHANDTHEARCHITECTUREOFTHESYSTEMISSHOWNINFIG1ATANYMOMENTTHEGUIINPHONEALLOWSTHEUSERTOMANUALLYCONTROLANYOFAPPLICATIONSINTHEROOMFIRSTOFALL,THEACTIONLISTENERSHOULDBESETFOREACHBUTTONWHICHWILLBECLICKEDTOSENDMESSAGECOMMANDVIATHEGSMNETWORKAFTERREADINGANDPARSINGTHECOMMANDS,PICPROCESSORCONTROLSTHEWIRELESSMODULETOSENDTHEADDRESSANDDATACODESTOACHIEVEREMOTECONTROLOFAPPLIANCESULTIMATELY
下載積分: 10 賞幣
上傳時間:2024-03-15
頁數(shù): 23
大?。?0.37(MB)
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簡介:此文檔是畢業(yè)設(shè)計外文翻譯成品(含英文原文中文翻譯),無需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題DESIGNANDCONTROLOFAHIGHPERFORMANCESCARATYPEROBOTICARMWITHROTARYHYDRAULICACTUATORS外文作者MIGARAHLIYANAGE,NICHOLASKROUGLICOFANDRAYMONDGOSINE文獻出處2019CANADIANCONFERENCEONELECTRICALANDCOMPUTERENGINEERING如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文3502單詞,20544字符字符就是印刷符,中文5161漢字。(如果字?jǐn)?shù)多了,可自行刪減,大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進行翻譯的。)DESIGNANDCONTROLOFAHIGHPERFORMANCESCARATYPEROBOTICARMWITHROTARYHYDRAULICACTUATORSABSTRACTTHISSTUDYPROPOSESASELECTIVECOMPLIANTASSEMBLYROBOTICARMSCARAWITHTWOREVOLUTEJOINTSFORPOULTRYDEBONINGTHEJOINTSOFTHEARMAREBASEDONTWOHIGHPERFORMANCEROTARYTYPEHYDRAULICACTUATORSTHESEACTUATORSAREOPERATEDBYSERVOVALVES,WHICHCONTROLHYDRAULICFLUIDFLOWANDDIRECTIONAPIDBASEDINDEPENDENTJOINTCONTROLSYSTEMISCONSIDEREDFORCONTROLLINGTHEPOSITIONOFEACHJOINTTHESYSTEMWASMODELLEDUSINGTHEMATLABSIMULINKTOOLBOXTHESIMULATIONRESULTSSHOWTHATTHEARMWASCAPABLEOFCOVERINGAWORKENVELOPEOF09MX09M,REACHINGCONTROLLEDVELOCITIESOFUPTO75M/SWITHANAVERAGEOF58M/SOBTAININGSUCHHIGHSPEEDSANDTORQUESWOULDBEADIFFICULTTASKWITHELECTRICALACTUATORSOFTHECAPACITYASTHEHYDRAULICCOUNTERPARTSCONSIDEREDHEREINDEXTERMSHYDRAULICROTARYACTUATORS,PIDCONTROL,SCARAARM,POULTRYDEBONING1INTRODUCTIONTRANSPORTSUPTO100PIECESOFPOULTRYPARTSPERMINUTEATASPEEDOF04M/SBEFORETHEPARTSREACHTHECUTTINGBLADE,ITSIMAGEISTAKENBYAXRAYCAMERAACOMPUTERWILLANALYZETHEIMAGEANDGENERATETHEDESIREDPOSITIONCOORDINATEPOSITIONX,Y,ZOFTHEBONETHISSTUDYPROPOSESASELECTIVECOMPLIANTASSEMBLYROBOTARMSCARAWITHTWOREVOLUTELINKSTOPOSITIONTHECUTTINGBLADEASSEMBLYWHICHINCLUDESANADDITIONALPRISMATICLINKFORDEBONINGTHETWOREVOLUTELINKSOFTHISROBOTARECONTROLLEDBYROTARYVAINSERVOHYDRAULICACTUATORSDIRECTLYFIXEDTOTHEJOINTSIEDIRECTDRIVETHECONTROLSYSTEMSOFTHETWOACTUATORSTHENPERFORMSPRECISEPOSITIONINGOFTHECUTTINGBLADEASSEMBLYTHEMOTIONGENERATEDBYTHISARMHASTOBEFAST,ACCURATE,SMOOTH,ANDNONOSCILLATORYAFTERTHEBLADEISMOVEDTOTHEDESIREDX,YPOSITIONINTHEHORIZONTALPLANE,ANACTUATORFIXEDTOTHEPRISMATICJOINTWILLBEACTIVATEDINTHEZDIRECTIONINORDERTOREMOVETHEBONETHEENDEFFECTORISCAPABLEOFCOVERINGANAREAOFAPPROXIMATELY09MX09MINTHISSTUDYWEPROPOSEAMODELFORTHEOPERATIONANDCONTROLOFASCARAROBOTWITHDOUBLEVANEROTARYTYPESERVOHYDRAULICACTUATORSTHEPROPOSEDSYSTEMWASSIMULATEDANDTHEPERFORMANCEWASEVALUATEDTHISPAPERWILLALSODEMONSTRATEITSCAPABILITYFORHIGHSPEEDPRECISIONCONTROLOFTHEENDEFFECTORITISALSOINTENDEDTOJUSTIFYWHYHYDRAULICSWERESELECTED,ALTHOUGHELECTRICALMOTORSARECOMMONLYUSEDININDUSTRYTODAYBASEDONSIMULATIONRESULTSWEESTIMATETHEDISPLACEMENTCOEFFICIENTORVOLUMEOFTHEROTARYHYDRAULICACTUATORREQUIREDFORTHISPURPOSEASUITABLEDESIGNFORTHEACTUATORISPROPOSEDNEXTFINALLY,ADESIGNOFTHECOMPLETESCARAARMWITHITSCOMPONENTSISPRESENTEDTHISPAPERISORGANIZEDASFOLLOWSABRIEFINTRODUCTIONANDANINSIGHTTOTHERESEARCHTOPICISPRESENTEDINSECTION1INSECTION2,THETHEORYANDMETHODOLOGYUSEDINMODELLINGTHESYSTEMAREPRESENTEDTHERESULTSOFTHESIMULATEDSYSTEMFORTHESCARAARMAREPRESENTEDNEXTSECTIONINSECTION4,THEDETAILSOFTHEACTUATORDESIGNANDTHESCARAARMASSEMBLYAREPRESENTEDINSECTION5,THECONCLUSIONSANDAVENUESFORFUTUREWORKAREGIVEN2PROBLEMFORMULATIONANDTHEDYNAMICMODELTHEPROPOSEDSCARATYPEROBOTICARMCONSISTSWITHTHREEDEGREESOFFREEDOMDOFHYDRAULICTYPEROTARYACTUATORSAREFITTEDTOTHETWOROTARYJOINTSOFTHEROBOTICARMTOPRODUCETHEHORIZONTALANGULARMOVEMENTXYPLANE
下載積分: 10 賞幣
上傳時間:2024-03-16
頁數(shù): 27
大小: 0.81(MB)
子文件數(shù):
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簡介:AUTOMATEDPLCSOFTWAREGENERATIONBASEDONSTANDARDIZEDDIGITALPROCESSINFORMATIONMARTINBERGERT,CHRISTIANDIEDRICHMAGDEBURGUNIVERSITYINSTITUTEOFAUTOMATIONTECHNOLOGYIFATMAGDEBURG/GERMANYUNIMAGDEBURGBERGERTDAIMLERCHRYSLERCOMJENSKIEFER,THOMASB?RDAIMLERCHRYSLERRESEARCHTECHNOLOGYFUNCTIONANDPRODUCTIONMODELINGGR/EPFULM/GERMANYJENSKIEFERDAIMLERCHRYSLERCOMABSTRACTINORDERTOMEETTHEVARIOUSCHALLENGESINTHEAUTOMOTIVEINDUSTRY,NEWANDINTEGRATEDMETHODOLOGIESFORPRODUCTIONPLANNINGANDRAMPUPPROCESSESAREREQUIREDTHUS,ACONCEPTFORAUTOMATEDPLCSOFTWAREGENERATIONBASEDONSTANDARDIZEDDIGITALPROCESSINFORMATIONISINTRODUCEDWITHTHESPECIALFOCUSONTHENEEDSOFTHEBODYSHOPINTHEAUTOMOTIVEINDUSTRYTHEFOUNDATIONFORPLCSOFTWAREGENERATIONISADIGITALPROCESSPLANTHATDESCRIBESTHEPRODUCTIONSTEPSINAGRAPHICALWAYFORTHESPECIALNEEDSOFPLCSOFTWAREGENERATIONNEWPROCESSELEMENTSANDATTRIBUTESAREINTRODUCEDSOTHEPROCESSPLANCONTAINSTHESTEPWISESPECIALIZATIONOFALLNECESSARYINFORMATIONFORAPLCPROGRAMTHISPAPERADDITIONALLYPRESENTSASPECIFICATIONEXTENDINGTHEDIGITALPROCESSINFORMATIONWITHRESOURCESPECIFICPLCFUNCTIONBLOCKS1INTRODUCTIONDUETOTHEINCREASINGCOMPETITIONFORKEYMARKETSHARES,CARMANUFACTURERSAREENGAGEDINANINNOVATIONRACECHARACTERIZEDBYASOARINGNUMBEROFPRODUCTVARIANTSINPARALLEL,THEINNOVATIONANDMODELCYCLESARECONSTANTLYDECREASEDTHESEINTENSIFIEDCOMPETITIVECONDITIONSINEVITABLYLEADTOHIGHERCOMPLEXITYBOTHINOVERALLPRODUCTIONPLANNINGANDINRAMPUPPROCESSESMOREOVER,THETIMEFORTHEFUTUREACCOMPLISHMENTOFPRODUCTIONENGINEERINGPROJECTSHASBEENCUTTOTHEBONETODAY,THEACTIVITIESINTHEPRODUCTIONPLANNINGPROCESSMECHANICALDESIGN,ELECTRICALDESIGN,CONTROLENGINEERINGAREACCOMPLISHEDINAMOSTSEQUENTIALWAYESPECIALLYTHETASKSOFTHECONTROLENGINEERINGDONOTBEGINBEFORETHEMECHANICALDESIGNISNEARLYCOMPLETEDINADDITIONTOTHATTHEREISADEEPGAPBETWEENMECHANICALDESIGNANDCONTROLENGINEERINGTHISPHENOMENONISSHOWNESPECIALLYINDIFFERENTWORKINGMETHODOLOGIES,TOOLS,ANDINTHEUSEOFDIFFERENT,DEPARTMENTSPECIFICTERMSTHERESULTSOFTHESEDEPARTMENTSPECIFICDIFFERENCESINEVITABLYLEADTOLOSSOFINFORMATION,REPEATEDMANUALINPUTS,ADDITIONALLYITERATIONLOOPSASWELLASHIGHTIMEPRESSUREFORTHEPLCPROJECTPLCPROGRAMMABLELOGICCONTROLLERINORDERTOCOPEWITHTHESECHALLENGESNEWPLANNINGMETHODOLOGIESARENECESSARYTOENCOURAGESIMULTANEOUSENGINEERINGASONEIMPORTANTCONTRIBUTION,ANEWMETHODOLOGYFORAUTOMATEDPLCSOFTWAREGENERATIONISINTRODUCEDINTHISPAPERTOGIVEANOVERVIEW,THEPAPERSTARTSWITHASHORTDESCRIPTIONOFIMPORTANTANDREPRESENTATIVEAPPROACHESREGARDINGTHISTOPICBASEDONTHEIDENTIFIEDADVANTAGESANDDISADVANTAGESOFTHEEXISTINGAPPROACHES,REQUIREMENTSTOWARDSANEWANDINTEGRATEDMETHODOLOGYFORAUTOMATEDPLCSOFTWAREGENERATIONAREDESCRIBEDAFTERASHORTINTRODUCTIONOFTHECONCEPTOFDIGITALFACTORY,THENEWMETHODOLOGYFULFILLINGTHEMENTIONEDREQUIREMENTSISPRESENTEDTHESEVERALSTEPSFROMTHEDIGITALPROCESSPLANTOANIEC611313CONFORMPLCPROGRAMAREDESCRIBEDFINALLY,THEPRACTICALAPPLICABILITYOFTHENEWMETHODOLOGYISSHOWNUSINGADAPTEDANDENHANCEDCOMMERCIALSOFTWARETOOLS2EXISTINGAPPROACHESFORAUTOMATEDPLCSOFTWAREGENERATIONINTHEFOLLOWINGSECTIONSDIFFERENTREPRESENTATIVEAPPROACHESFORAUTOMATEDPLCSOFTWAREGENERATIONAREPRESENTEDMOREOVER,THECONCEPTSPECIFICADVANTAGESANDDISADVANTAGESAREWORKEDOUT21DFGPROJECTDISPADISTRIBUTEDPROCESSAUTOMATIONWITHINTHERESEARCHPROJECTDISPAANOBJECTORIENTEDMETHODOLOGYWASDEVELOPEDTHATALLOWSTHEGENERATIONOFEXECUTABLEPLCSOFTWARECODEBASEDONANABSTRACT,SYSTEMNEUTRALMODEL1THISMODELISDEVELOPEDWITHANEXTENSIONOFTHEFORMALDESCRIPTIONLANGUAGEUMLUMLUNIFIEDMODELINGLANGUAGETHATWASADAPTEDTOTHESPECIALREQUIREMENTSOFCONTROLENGINEERINGBYTHEUSEOFUMLAMODULARANDSTRUCTUREDMODELDEVELOPINGISGUARANTEEDTOSUPPORTACCELERATEDANDTRANSPARENTENGINEERINGPROCESSESSTANDARDIZEDANDREUSABLESOFTWARECOMPONENTSARE1424408261/07/2000?2007IEEE35226EVALUATIONINTHEPREVIOUSSECTIONSDIFFERENTAPPROACHESFORTHEAUTOMATEDPLCSOFTWAREGENERATIONWEREPRESENTEDTHESEAPPROACHESBASEONDIFFERENTASSUMPTIONS,METHODOLOGIESANDITTOOLSREGARDINGAPOTENTIALUSEINTHEPLANNINGPROCESSOFMANUFACTURINGCELLS,ALLTHESEAPPROACHESHAVETHEIRSPECIFICADVANTAGESANDDISADVANTAGESWHICHARECOMPAREDINTABLE1CONCEPTADVANTAGESDISADVANTAGESDISPAUMLOBJECTORIENTEDMODELINGBYUSEOFUMLGENERATIONOFSTANDSFCCODENOINTEGRATIONINPLANNINGPROCESSADDITIONALDEVELOPMENTOFTHEUMLMODELANDSOFTWARETRANSLATORNOBIDIRECTIONALDATAEXCHANGEPOSSIBLEPETRINETSIPNFORMALANDFLEXIBLEDESCRIPTIONLANGUAGEAUTOMATEDVERIFICATIONOFTHE“PLCMODEL”POSSIBLESUPPORTOFPLCEXCHANGEFORMATRELATEDTOPLCOPENNOINTEGRATIONINPLANNINGPROCESSADDITIONALDEVELOPMENTOFTHESIPNLIMITEDPLCSOFTWAREGENERATIONGENERATIONOFILCODEONLYOSMERSINTEGRATIONINPLANNINGPROCESSGRAPHICALVISUALPLCPROGRAMMINGADDITIONALITTOOLANDSOFTWARETRANSLATORNECESSARYGENERATIONOFILCODEONLYNOBIDIRECTIONALDATAEXCHANGEPOSSIBLEMODALEINTEGRATIONINPLANNINGPROCESSUSEOFEXISTINGDIGITALPLANNINGINFORMATIONBASEDONCOMMERCIALSOFTWARETOOLSDPEGENERATIONOFSFCCODEONLYGENERATIONOFSIMPLIFIEDANDLIMITEDSEQUENTIALFUNCTIONCHARTSBASEDONNONSTANDARDIZEDEXCHANGEFORMATRDFHUGEMANUALEFFORTFORREWORKINGPROCESSSIMULATECOMMISSIONINGINTEGRATIONINPLANNINGPROCESSUSEOFEXISTINGDIGITALPLANNINGINFORMATIONBASEDONCOMMERCIALSOFTWARETOOLSGENERATIONOFSFCCODEONLYGENERATIONOFSIMPLIFIEDANDLIMITEDSEQUENTIALFUNCTIONCHARTSNOOPENSYSTEMINTERFACES,ONLYCONNECTIONTOSTEP7SIEMENSNOBIDIRECTIONALDATAEXCHANGEPOSSIBLETABLE1EXISTINGAPPROACHESCOMPARINGTHEDIFFERENTCONCEPTSITISNOTABLETHATTHEACADEMICAPPROACHESALLHAVEWELLSTRUCTUREDANDFLEXIBLEBASISCONCEPTSBYTHEUSEOFFORMALDESCRIPTIONLANGUAGESUML,SIPNBUTFORPRACTICALUSETHEYARENOTSUITABLEBECAUSEOFTHEDEMONSTRATEDDISADVANTAGESADDITIONALMODELS,SPECIFICSOFTWARETRANSLATORSETCAREVERSEDVIEWISGIVENBYTHEPRACTICALCONCEPTSTHESEAPPROACHESBASEONCOMMERCIALITPLANNINGTOOLS,BUTTHEYHAVEPROBLEMSWITHTOOLSPECIFICINFLEXIBILITY,OPENPROGRAMMINGINTERFACESAREMISSINGTHISLEADSTOSIMPLIFIEDANDFUNCTIONALLIMITEDPLCPROGRAMSASWELLASTOHUGEMANUALREWORKINGEFFORTFORTHESESOFTWAREPROGRAMSUNTILNOWAPRACTICABLEANDECONOMICALSOLUTIONDOESNOTEXIST3REQUIREMENTSFORPLCSOFTWAREGENERATIONBASEDONTHEDESCRIBEDDISADVANTAGESINTHEPREVIOUSSECTION,AFEWREQUIREMENTSRESULTTOWARDSANEWCONCEPTFORAUTOMATEDPLCSOFTWAREGENERATIONTHESEREQUIREMENTSREFERTOTHEMETHODOLOGYASWELLASTOTHEUSEDITTOOLSINDETAIL,THESEREQUIREMENTSARENOLITTLEADDITIONALAFFORDFORECONOMYANDGENERALUSERACCEPTANCEITISESSENTIALTHATANEWMETHODOLOGYCAUSESASLESSASPOSSIBLEADDITIONALEFFORTDURINGTHEPLANNINGPROCESSUSINGEXISTINGPLANNINGRESULTSTOAVOIDREPEATEDMANUALDATAINPUTSANDLOSSOFINFORMATIONDURINGTHETRANSFEROFPLANNINGRESULTSFROMONEPLANNINGTOOLTOANOTHERONE,STANDARDIZEDINTERFACESBETWEENTHETOOLSANDDATAEXCHANGEFORMATSARENECESSARYUPDATEFUNCTIONFORPROCESSCHANGESDURINGRAMPUPANDPRODUCTIONPROCESSES,PROCESSCHANGESAREOFTENNECESSARY,EGFORTHEINTEGRATIONOFNEWPRODUCTVARIANTSSOITISESSENTIALTHATTHESECHANGESCANBEINTEGRATEDINTHEPLCPROGRAMSDURINGTHERUNNINGPRODUCTIONPROCESSGENERATIONOFPLCSOFTWAREACCORDINGTOIEC611313THEAUTOMATICALLYGENERATEDPLCCODEHASTOFULFILLALLRESTRICTIONSFROMTHEIEC611313TOBEPORTABLEINTHEDIFFERENTCOMMERCIALPLCPROGRAMMINGTOOLSMAINTAINABLEPLCPROGRAMCODEITISNECESSARYTOGENERATEPLCCODEINAREADABLEANDUNDERSTANDABLEFORMATSOTHATLATERCHANGESINTHESOFTWARECODEAREPOSSIBLETHEREFORETHEGRAPHICALLANGUAGESSFCORFBDFBDFUNCTIONBLOCKDIAGRAMAREMUCHMORESUITABLETHANTHECRYPTICLANGUAGEILBIDIRECTIONALDATAEXCHANGEFORPRACTICALAPPLICABILITYOFAUTOMATEDPLCSOFTWAREGENERATIONITISNECESSARYTORETRANSFERCHANGESINTHEPLCPROGRAMSDURINGTHERAMPUPANDPRODUCTIONPROCESSESINTHEPLANNINGTOOLSONLYTHUS,THECONSISTENCYOFDATAISGUARANTEED354
下載積分: 10 賞幣
上傳時間:2024-03-13
頁數(shù): 8
大?。?0.39(MB)
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簡介:此文檔是畢業(yè)設(shè)計外文翻譯成品(含英文原文中文翻譯),無需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題DESIGNANDIMPLEMENTATIONONWORKFLOWBASEDMOBILEOFFICEAUTOMATION外文作者QIANZHANG,QINGQINGZHANGANDYUNZEWANG文獻出處APPLIEDMECHANICSANDMATERIALSVOLS5565622018PP61196122如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文1924單詞,12021字符字符就是印刷符,中文3061漢字。DESIGNANDIMPLEMENTATIONONWORKFLOWBASEDMOBILEOFFICEAUTOMATIONQIANZHANG,QINGQINGZHANGANDYUNZEWANGKEYWORDSOFFICEAUTOMATIONWORKFLOWWORKFLOWMANAGEMENTSYSTEMMOBILEDEVICESIOSABSTRACTOAOFFICEAUTOMATION,OAHASBEENDEVELOPEDRAPIDLYINTHE1970SANDINTRODUCEDINTOCHINAINTHE1990S,ITHASENTEREDTHEHIGHSPEEDDEVELOPMENTSTAGEWITHTHERAPIDDEVELOPMENTOFMOBILEINTERNETTECHNOLOGY,ITWILLBEATRENDTOAPPLYSUCHAHIGHTECHTOOFFICEAUTOMATIONMEANTIME,THEREHASINTRODUCEDTHEWORKFLOWDEVELOPMENTAPPROACHTODEVELOPMENTINTHEOVERALLSYSTEMIMPLEMENTATIONTHISTHESISPRESENTSSTRATEGYONDESIGNANDIMPLEMENTATIONONWORKFLOWBASEDMOBILEOFFICEAUTOMATIONWITHTHERAPIDDEVELOPMENTOFMOBILEINTERNETTECHNOLOGY,ITWILLBEATRENDTOAPPLYSUCHAHIGHTECHTOOFFICEAUTOMATIONMEANTIME,THEREHASINTRODUCEDTHEWORKFLOWDEVELOPMENTAPPROACHTODEVELOPMENTINTHEOVERALLSYSTEMIMPLEMENTATIONTHISTHESISPRESENTSSTRATEGYONDESIGNANDIMPLEMENTATIONONWORKFLOWBASEDONMOBILEOFFICEAUTOMATIONINTRODUCTIONTHECONCEPTOFWORKFLOWWORKFLOWORIGINATEDINTHEFIELDOFPRODUCTIONMANAGEMENTANDOFFICEAUTOMATION,ITSESSENCEISTHEWORKFLOWWORKORGANIZATIONACCORDINGTOCERTAINRULESOFLOGICANDTASKS,IMPLEMENTATION,ANDPUTTHECOMPUTERINTHISLOGICANDRULESWITHCERTAINMATHEMATICALMODELSDESIGNEDANDCONSTRUCTEDANDITSCALCULATIONSBACKGROUNDSOFGENERALAPPLICATIONWORKFLOWIMPLEMENTATIONARETHEUSEOFCOMPUTERSINORDERTOACHIEVEABUSINESSOBJECTIVE,AMONGANUMBEROFPARTICIPANTS,ACCORDINGTOPREDETERMINEDRULESAUTOMATICALLYPASSEDDOCUMENTS,INFORMATIONORTASKSSIMPLYPUT,BUSINESSPROCESSESCANBESEENASARIVER,THEWORKFLOWISINACCORDANCEWITHCERTAINRULESFORMUTUALCONVERGENCEPROCESSINGBUSINESSACTIVITIESTHEENTIREBUSINESSPROCESSCANBEREGARDEDASARIVER,WHICHFLOWINGTHROUGHTHERIVERISTHEWORKFLOWPARTOFAWORKFLOWBELONGCOMPUTERSUPPORTEDCOOPERATIVEWORKCOMPUTERSUPPORTEDCOOPERATIVEWORK,CSCWTHEPURPOSEOFWORKFLOWMANAGEMENTSYSTEMISTOACHIEVETHEMANAGEMENTPROCESSAUTOMATION,ISRESPONSIBLEFORTHEIMPLEMENTATIONOFWORKFLOWMANAGEMENTWORKFLOWMANAGEMENTSYSTEM,ISTHEORDEROFBUSINESSPROCESSESTOWORKOUTTHERULESOFABSTRACTIONTOSEPARATETHELOGICANDPROCESSESSPECIFICWORKORGANIZATIONDESIGNEDTOASSISTINTHEENTERPRISEMANAGEMENTSYSTEM,WORKFLOW,DEVELOPERSCANPROGRAMINTERFACEANDPROTOCOLPROCESSINGSYSTEMACCORDINGTODEVELOPAMOREFLEXIBLESYSTEMWHENEVENTUALLYCHANGEBUSINESSPROCESSES,USERSDONOTNEEDTOREDEVELOPTHETRANSACTIONPROCESSINGSYSTEM,THEYCANCHANGETHEIRWORKFLOWANALYSISDEMANDFORMOBILEOFFICESOFTWARESYSTEMSDURINGDEVELOPMENTOFFICESOFTWARESYSTEMS,PROGRAMMERSMUSTBESTRICTLYBUSINESSPROCESSESANDCORPORATEOFFICE,CONSISTENTWITHTHEDESIGNANDDEVELOPMENTREQUIREMENTSACCORDINGTOTHEACTUALNEEDSOFUSERS,INACCORDANCEWITHTHEOVERALLPLANNING,CONSTRUCTION,SUPPORTTHEPRINCIPLEOFDEVELOPMENTDEVELOPMENTOFSOFTWARESYSTEMSREQUIRESACERTAINPERIOD,ATEACHSTEPOFTHECYCLE,THEYSHOULDENSURETHEQUALITYOFTHEDEVELOPERREQUIREDTOUSEAVARIETYOFPRODUCTIVITYTOOLS,EACH6120MECHATRONICSENGINEERING,COMPUTINGANDINFORMATIONTECHNOLOGYOFFICEAUTOMATIONINFORMATIONSYSTEMISIMPLEMENTEDINTHESAMEENTERPRISEINFORMATIONPLATFORMFILES,OTHERASPECTSOFPERSONNEL,INFORMATIONTRANSMISSIONANDINTEGRATEDMANAGEMENTINORDERTOAVOIDTHEELIMINATIONOFINTERNALCOMMUNICATIONSTOSHAREINFORMATIONBETWEENCOMPANIESANDEMPLOYEES,BETWEENSUPERIORSANDSUBORDINATES,COLLABORATIVEOFFICEITSMAINPURPOSEISTOIMPROVETHEENTERPRISEMANAGEMENTLEVELANDIMPROVESTAFFEFFICIENCYASTHEULTIMATEGOALIOSBASEDSYSTEMDESIGNEXPERIENCEDEVELOPINGOFFICEAUTOMATIONSYSTEM,WESHOULDFOLLOWTHEFOLLOWINGDESIGNPRINCIPLES1DESIGNEDTOMEETTHENEEDSOFMOBILEDEVICEAPPLICATIONS2MEMORY,MINIMIZINGTHEUSEOFNETWORKRESOURCES,OPTIMIZATION3DESIGN,ASDIRECTSUPPORTFORAPPLICATIONDEVELOPMENTUSINGIOSTECHNOLOGIESANDPROPRIETARYTECHNOLOGY4USINGALAYEREDARCHITECTURE,DESIGNFULLYDECOUPLEDSUPPORTSOMETECHNOLOGYUPGRADES,FUNCTIONALANDEASYTOEXPAND5ONTHEEFFICIENCYANDPERFORMANCEGUARANTEE,YOUCANUSETHIRDPARTYDEVELOPMENTKITSIOS6SOFTWARESECURITYISNOTLESSTHANTHEORIGINALBUSINESSSYSTEM7THEPRINCIPLEOFCONSISTENCYUSEREXPERIENCECONSISTENCY,CONSISTENCYSHOULDFOCUSONTHEUSERINTERFACELEVEL,FLOW,METHODSOFOPERATION,PAGELAYOUTEXPERIENCETHROUGHPRACTICALRESEARCHINSCHOOLSFOUNDTHATSCHOOLSWANTTOUNDERSTANDTHEDIFFERENTEMPLOYEESAFTERLOGGINGSYSTEM,FORTHEINFORMATIONCONTENTOFTHEIROWNAUTHORITYATAGLANCE,INCLUDINGTHEIROWNBUSINESSPROCESSESTOBETREATED,WORK,ANDPUBLICRELEASEOFINFORMATION,SOTHATWECANLETSTAFFINITIATIVETOUNDERSTAND,DEALWITHTHEIROWNWORK,ITISREASONABLETOARRANGETHEVARIOUSPARTSOFTHEIROWNWORKINGHOURSWITHTHERAPIDDEVELOPMENTOFNETWORKTECHNOLOGY,IOSBASEDOFFICESYSTEMSCANMAKELEADERSANYWHERECANHANDLEAVARIETYOFDOCUMENTSTOSIGN,CANEFFICIENTLYHANDLEAVARIETYOFROUTINEHELPEDLEADTHECOMPLEXWORKUSINGREASONABLEWORKFLOWMANUALTRANSMISSIONCANMAXIMIZESAVINGSTIMEOVERALLSYSTEMDESIGNPROCESSIOSSOFTWARERUNNINGONTHESYSTEMPLATFORM,HOSTEDONMOBILEDEVICES,INCLUDINGMOBILEPHONESANDTABLETSSOFTWAREDESIGNGOALSOASYSTEMIMPLEMENTEDONTHEPARTOFIOSSOFTWAREFEATURES,FUNCTIONALITYANDUSERINTERFACEDESI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下載積分: 10 賞幣
上傳時間:2024-03-17
頁數(shù): 10
大?。?0.29(MB)
子文件數(shù):
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簡介:此文檔是畢業(yè)設(shè)計外文翻譯成品(含英文原文中文翻譯),無需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題FEASIBILITYANDIMPORTANCEOFANAUTOMATICCONTROLLERFORSOLARHOTWATERSYSTEM外文作者MRHASAN,ARAHMAN,AAZAD文獻出處IEEEGLOBALHUMANITARIANTECHNOLOGYCONFERENCE,2011如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文3702單詞,22013字符,中文5262漢字。FEASIBILITYANDIMPORTANCEOFANAUTOMATICCONTROLLERFORSOLARHOTWATERSYSTEMMRHASAN,ARAHMAN,AAZADABSTRACTBEINGADEVELOPINGCOUNTRY,BANGLADESHHASAVERYPOORCONDITIONINTERMSOFGENERATINGELECTRICITYALONGSIDE,NATURALRESOURCESLIKEFUELANDCOALAREINLIMITEDAMOUNTANDWILLNOTBEABLETOSUSTAINFOREVERASARESULT,SUSTAINABLEENERGYISSTARTINGTOGAINITSPOPULARITYINBANGLADESHBEINGAGEOGRAPHICALLYSUITABLECOUNTRYFORHARVESTING,SOLARENERGYCANBEAPRIMESOURCEOFGENERATINGELECTRICITYINBANGLADESHINAGREENWAYGENERATINGELECTRICITYINCOMMERCIALSCALEUSINGSOLARPANELSCANTAKEAFEWYEARSBECAUSEOFTHEPANELSBEINGVERYEXPENSIVEBUTANOTHERWAYTOUTILIZETHISENERGYISBYUSINGITTOHEATUPWATERHOSPITALS,INDUSTRIES,HOUSEHOLDS–ANYKINDOFINFRASTRUCTUREREQUIRESHOTWATERANDALOTOFELECTRICITYANDGASISBEINGUSEDUPFORTHATKEEPINGTHATINMIND,THISPROJECTFORDEVELOPINGANAUTOMATICSOLARHOTWATERSYSTEMWASCOMMENCEDANDCOMPLETEDSOLARHOTWATERSYSTEMSAREALSOGROWINGINBANGLADESHBUTTHEAUTOMATICCONTROLLERTHATWEHAVEDEVELOPEDISANEWCONCEPTHERETHECONTROLLERMAKESTHESYSTEMUSERFRIENDLY,REQUIRESLESSINTERACTIONWITHHUMANSANDPROVIDESUNINTERRUPTEDHOTWATERWITHLEASTMAINTENANCESOLARHOTWATERSYSTEMAMONGTHEUSERTOMOREEXTENDTHEREAREVARIOUSCONTROLLERS4567891011ALREADYINTHEMARKETBUTNOTINBANGLADESHTHOSECONTROLLERSAREMAINLYFORAUTOMATIONININDUSTRIESBECAUSEOFTHEIRCOMPLEXITYBASEDONPROGRAMMABLELOGICCONTROLLERPLCANDPROPORTIONALINTEGRALDERIVATEPIDCONTROLLER,THESECONTROLLERSARENOTFORTECHNICALLYUNSOUNDPEOPLEBESIDES,THEREPLACEMENTFORSUCHCONTROLLERSISVERYEXPENSIVETABLEIAMMOUNTOFISOLATIONPERMONTHMONTHISOLATIONJULY409AUGUST402SEPTEMBER395OCTOBER443NOVEMBER437DECEMBER407JANUARY429JANUARY518MARCH596APRIL583MAY528JUNE449THEMOTIVEOFTHISPROJECTWASTODEVELOPTHECONTROLLERINSUCHAWAYTHATITCANBEUSEDFORBOTHINDUSTRIALANDDOMESTICPURPOSETHEUSERINTERFACEOFTHECONTROLLERHASBEENMADEASUSERFRIENDLYASPOSSIBLEALLTHECOMPONENTSOFTHECONTROLLERSAREEASILYAVAILABLEINTHECOUNTRYANDHENCELARGESCALEPRODUCTIONOFITISALSOPOSSIBLE,THUSSAVINGHUGEAMOUNTOFMONEYREQUIREDFOREXPORTINGTHECONTROLLERSFROMABROAD
下載積分: 10 賞幣
上傳時間:2024-03-15
頁數(shù): 29
大?。?0.18(MB)
子文件數(shù):
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簡介:此文檔是畢業(yè)設(shè)計外文翻譯成品(含英文原文中文翻譯),無需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題THEVARIABLEFREQUENCYANDSPEEDREGULATIONCONSTANTPRESSUREWATERSUPPLYSYSTEMBASEDONPLCANDFUZZYCONTROL外文作者PENGXIAOHONG,XIAOLAISHENG,MOZHI,LIUGUODONG文獻出處2018INTERNATIONALCONFERENCEONMEASURINGTECHNOLOGYANDMECHATRONICSAUTOMATION如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文2684單詞,16878字符字符就是印刷符,中文4000漢字。(如果字?jǐn)?shù)多了,可自行刪減,大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進行翻譯的。)THEVARIABLEFREQUENCYANDSPEEDREGULATIONCONSTANTPRESSUREWATERSUPPLYSYSTEMBASEDONPLCANDFUZZYCONTROLABSTRACTFORSOLVINGTHEPROBLEMOFPOORQUALITYANDWASTEOFELECTRICENERGYCOURSEDBYWATERSUPPLYMODEOFAHIGHWATERTOWERANDADIRECTWATERPUMP,INTRODUCEACONSTANTPRESSURESUPPLYWATERSYSTEM,WHICHADOPTSEMBEDDEDFUZZYCONTROLTECHNOLOGY,USINGPLCANDFREQUENCYCONVENERASITSCOREWHENTHESYSTEMRUNS,WATERPRESSUREOFTHEPIPEISINPUTTEDINTOTHEPLCFROMTERMINALX0THROUGHPRESSURETRANSMITTERCOMPARINGTHEVALUEOFMEASUREDPRESSUREWITHITSSETVALUE,PLCCONTROLSTHEWORKFREQUENCYOFTHEFREQUENCYCONVERTERBYTHEOUTPUTSIGNALONFUZZYCALCULATIONINORDERTOCONTROLROTATIONSPEEDOFWATERPUMPANDADJUSTWATERPRESSUREOFTHEPIPETHEREALTIMECONTROLPERFORMANCETOTHEWATERPRESSUREOFWATERSUPPLYSYSTEMDESIGNEDINTHISPAPERWASPROVEDTOBEALLRIGHTACCORDINGTOTHEEXPERIMENTATIONVALIDATEDTHEHARDWAREMODULEISSTEADYGOINGANDRELIABLE,ANDTHEFUZZYCONTROLLERISPROPERANDVALIDANDCANGUARANTEETHEBETTERSTABILITYOFWATERPRESSUREKEYWORDSFUZZYCONTROLPLCVARIABLEFREQUENCYANDSPEEDREGULATIONACHIEVEFUZZYLOGICCONTROLTABLEBYFUZZYREASONINGACCORDINGTOTHERULETABLEMADEBYOPERATINGEXPERIENCEINTHECOURSEOFREALTIMECONTROL,THESYSTEMTRANSFORMSINPUTSIGNALOFPRESSUREDETECTEDINREALTIMEINTOOUTPUTBYSEEKINGFUZZYLOGICCONTROLTABLE,ANDTHENWEOBTAINAPRECISEOUTPUTBYFUZZYDECISIONMAKINGATLAST,THESYSTEMCOMPLETESTHEWHOLEPROCESSOFFUZZYLOGICCONTROLFORCONSTANTWATERPRESSUREBYCONTROLLINGTHEFREQUENCYOFMOTORACCORDINGTOTHEPRECISEOUTPUTAFTERALOTOFTEST,WEHAVEPROVEDTHATTHECONSTANTPRESSUREWATERSUPPLYSYSTEMDESIGNEDINTHISPAPERHASAGOODPERFORMANCEOFREALTIMECONTROLANDITSHARDWAREMODULESWORKSTABLYANDRELIABLYTHEADAPTIVEFUZZYCONTROLLERDESIGNEDHEREISALSOCORRECTANDEFFECTIVEFORGUARANTEEINGTHESTABILITYOFTHEWATERPRESSUREONPIPELINEANDITISREALLYABETTERCONTROLSYSTEMIISYSTEMCONTROLSCHEMEATHEPRINCIPLEOFSYSTEMCONTROLTHREEPUMPSRUNINPARALLELINTHESYSTEMPLCHASAPERIODICREALTIMEDETECTIONONAGIVENPRESSUREANDACTUALPRESSUREONPIPENETWORK,ANDTHEIRVALUESAREPUTINTOPLCFUZZYCONTROLLERCOMPUTESTHEIRDEVIATIONEANDCHANGESINTHERATEOFDEVIATIONEOUTPUTCONTROLSIGNALSFROMTHEFUZZYCONTROLALGORITHMAREGAINED,WHICHARESENTTOCONVERTERTHROUGHANALOGOUTPUTMODULETOADJUSTTHEPUMPMOTORPOWERSUPPLYVOLTAGEANDFREQUENCYWHENTHEREISTHESMALLAMOUNTOFWATER,ONEPUMPHASASTABLEOPERATIONUNDERTHECONTROLOFAFREQUENCYCONVERTERWHENTHEAMOUNTOFWATERISSOMUCHTHATWATERPUMPWHICHRUNSATFULLSPEEDCANNOTGUARANTEETHESTABLEPRESSUREONTHEPIPENETWORK,LOWERLIMITPRESSURESIGNALONPLCANDTHEHIGHSPEEDSIGNALONCONVERTERWASDETECTEDBYPLCATTHESAMETIMEPLCTRANSFORMSTHEFIRSTPUMPFROMVARIABLEFREQUENCYSTATETOWORKFREQUENCYSTATEINORDERTOKEEPPRESSURECONTINUITY,WHILEANOTHERPUMPWHICHISSTARTEDBYFREQUENCYCONVERTERBEGINSTORUNINORDERTOKEEPSTABLEPRESSUREBYINCREASINGTHEVOLUMEOFTHEWATERSUPPLYNETWORKIFTHEOPERATIONOFTHETWOPUMPSCANNOTMEETTHEREQUIREMENTSOFTHEPRESSURE,THEPUMPWHICHISWORKINGINVARIABLEFREQUENCYSTATEISTRANSFORMEDTOWORKFREQUENCYSTATE,ANDANOTHERPUMPWILLBESTARTEDWHENTHEWATERCONSUMPTIONREDUCES,THESIGNALWHICHSHOWSTHATTHEFREQUENCYCONVERTERWORKSATTHEMINIMUMSPEEDISEFFECTIVEATTHISTIMEIFTHEPRESSUREUPPERLIMITSIGNALISSTILLBEING,PLCWILLSTOPTHEFIRSTPUMPWHICHWORKSATWORKFREQUENCYSTATETOREDUCETHEAMOUNTOFWATERWHENTHETWOSIGNALSARESTILLBEING,PLCSTOPSTHESECONDPUMPWHICHWORKSATWORKFREQUENCYSTATE,UNTILTHELASTPUMPSUPPLIESWATERBYFREQUENCYCONVERTER
下載積分: 10 賞幣
上傳時間:2024-03-17
頁數(shù): 17
大?。?0.17(MB)
子文件數(shù):
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簡介:此文檔是畢業(yè)設(shè)計外文翻譯成品(含英文原文中文翻譯),無需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題DESIGNOFAHYDRAULICBENDINGMACHINE外文作者STEVEHANKEL,MARSHALLBEGEL文獻出處GENERALTECHNICALREPORTGTR,2018如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文3292單詞,19509字符字符就是印刷符,中文5165漢字。(如果字?jǐn)?shù)多了,可自行刪減,大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進行翻譯的。)DESIGNOFAHYDRAULICBENDINGMACHINEABSTRACTTOKEEPPACEWITHCUSTOMERDEMANDSWHILEPHASINGOUTOLDANDUNSERVICEABLETESTEQUIPMENT,THESTAFFOFTHEENGINEERINGMECHANICSLABORATORYEMLATTHEUSDAFORESTSERVICE,FORESTPRODUCTSLABORATORY,DESIGNEDANDASSEMBLEDAHYDRAULICBENDINGTESTMACHINETHEEMLBUILTTHISMACHINETOTESTDIMENSIONLUMBER,NOMINAL2INTHICKANDUPTO12INDEEP,ATSPANSUPTO20FTANDLOADSUPTO20,000LBFTHEHYDRAULICBENDINGTESTMACHINEWASBUILTUSINGPARTSOFA100,000LBFCOMPRESSIONTESTFRAMEADDEDCOMPONENTSINCLUDEDW12BY65STEELBEAMSSTEELTUBESECTIONS,LSECTIONS,ANDTHREADEDRODSFORBEAMATTACHMENTIBEAMSPACERPLATESWOODBLOCKBEAMENDSUPPORTSA4INBORE,10INSTROKEHYDRAULICCYLINDERWITH38,000LBFCAPACITYSTEELPLATESFORCYLINDERREINFORCEMENTANDTWOPIVOTINGFOURPOINTLOADHEADASSEMBLIESECCENTRICLOADSTHATMIGHTOCCURDURINGATESTWILLNOTYIELDTHEPOSITIONINGSCREWSOFTHEMACHINEHEADOROTHERWISEAFFECTTESTRESULTSKEYWORDSHYDRAULICBENDINGMACHINE,DIMENSIONLUMBER,WOODTESTINGMACHINETHEPRIMARYPURPOSEOFTHEBENDINGMACHINEISTOTESTLONGSPANDIMENSIONLUMBERNOMINAL2BY4INTO2BY12IN,UPTO20FTINLENGTHATEXPECTEDLOADSLESSTHAN10,000LBANDDEFLECTIONSLESSTHAN6INTWOMACHINESTHATHAVEBEENUSEDBYTHEEMLFORBENDINGTESTSARETHE160,000LBFREIHLEMACHINEPURCHASEDIN1969ANDTHE25,000LBFBOXTESTMACHINEPURCHASEDIN1937THESEMACHINESAREOFQUESTIONABLERELIABILITYANDREPAIRABILITYBECAUSEOFTHEIRAGEAMACHINETHATISCAPABLEOFTESTINGLONGSPANDIMENSIONLUMBERISNOTCURRENTLYINPRODUCTIONANDWOULDHAVETOBECUSTOMMADEATGREATEXPENSETHEREFORE,WECHOSETOMODIFYA100,000LBFCOMPRESSIONTESTFRAMEWITHAMOTORDRIVENMOVABLEHEADBOX,WHICHWASDONATEDTOEMLMANYPARTSOFTHETESTFRAMEWEREREMOVED,LEAVINGTHESTEELFEET,SLAB,HEADBOXPOSITIONINGSCREWS,ANDHEADBOXPARTSTHATWEREADDEDTOCOMPLETETHEBENDINGTESTMACHINEINCLUDEDTWOWIDEFLANGEBEAMS,BEAMATTACHMENTHARDWARE,BEAMSPACERPLATES,BEAMENDSUPPORTS,AHYDRAULICCYLINDER,CYLINDERREINFORCEMENTHARDWARE,ANDTWOFOURPOINTLOADHEADASSEMBLIESDESIGNCONSIDERATIONSFORTHESECOMPONENTSAREPRESENTEDINTHISPAPERALTHOUGHTHE100,000LBFCOMPRESSIONFORCECAPACITYOFTHEORIGINALFRAMEDESIGNISMUCHGREATERTHANTHELOADSWEENCOUNTERDURINGBENDINGTESTS,WEDISCUSSTHEEFFECTSOFECCENTRICLOADSTHATAREMORELIKELYTOOCCURINBENDINGTESTSTHANINTHECOMPRESSIONTESTSFORWHICHTHEFRAMEWASDESIGNED
下載積分: 10 賞幣
上傳時間:2024-03-16
頁數(shù): 24
大?。?0.73(MB)
子文件數(shù):
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簡介:WWWSCICHINACOMINFOSCICHINACOMADVANCESINAUTOMATIONANDCONTROLRESEARCHINCHINACHENGDAIZHANKEYLABORATORYOFSYSTEMSANDCONTROL,ACADEMYOFMATHEMATICSTHESOUTHPOINTCHARIOT250–330AD,WHICHISABLETOAUTOMATICALLYPOINTTOAFIXEDDIRECTIONWHENRECEIVEDFEBRUARY16,2009ACCEPTEDSEPTEMBER22,2009DOI101007/S1143200901982SUPPORTEDPARTLYBYTHENATIONALNATURALSCIENCEFOUNDATIONOFCHINAGRANTNOS60674022,60736022,60821091CITATIONCHENGDZADVANCESINAUTOMATIONANDCONTROLRESEARCHINCHINASCICHINASERFINFSCI,2009,52111954–1963,DOI101007/S1143200901982ORACTUATORNODESWITHCOMPUTATIONALCAPABILITIESCANCONTROLCOMPLEXDYNAMICSYSTEMSREMOTELYTHEREARETWOFUNDAMENTALCONTROLPROBLEMSASSOCIATEDWITHNETWORKSYSTEMS,THECONTROLOFNETWORKS,ANDTHECONTROLOFNETWORKEDSYSTEMSNETWORKSHAVESOMEUNIQUEPROBLEMSSUCHASNETWORKCONGESTION7,DATAPACKETDROPOUT,ANDTRANSMISSIONDELAY8TONAMEAFEWTOENSUREEFFICIENCYOFALARGEORHUGENETWORK,SUCHASTHEINTERNET,FAULTDETECTIONISALSOAVERYCHALLENGINGPROBLEM9ANETWORKEDCONTROLSYSTEMNCSCONSISTSOFASETOFDYNAMICALUNITSTHATINTERACTOVERASIGNALEXCHANGENETWORKFORITSCOORDINATEDOPERATIONANDBEHAVIORRESEARCHESONNCSFOCUSONTHEFOLLOWINGTOPICS1SYSTEMMODELINGSINCEANNCSUSUALLYCONSISTSOFSENSORS,ACTUATORS,ANDCONTROLS,APROPERMODELISNECESSARYTODESCRIBEITSDYNAMICSANDCONTROL102ANALYSISANDCONTROLDESIGNASTHENETWORKEDCONTROLSYSTEMSHAVESOMEUNIQUECHARACTERIZATIONSSUCHASHYBRIDITY,DELAYANDRANDOMNESS,NEWANALYZINGMETHODSANDNEWCONTROLTECHNIQUESAREREQUIREDFORCONTROLLINGSUCHSYSTEMS11,123FAILUREINSPECTIONINFAULTDETECTION,CERTAINATTENTIONHASTOBEPAIDTOTHENETWORK’SSPECIALPROPERTIES134EXPERIMENTALANDSIMULATIONSTUDIESUNLIKEAMECHANICALSYSTEM,THEDYNAMICSOFANETWORKEDSYSTEMCANHARDLYBEDESCRIBEDBYADIFFERENTIALORDIFFERENCEEQUATIONEXPERIMENTANDSIMULATIONARETHUSEMERGINGASEFFECTIVETOOLSFORDEALINGWITHNETWORKEDSYSTEMSBENCHMARKPROBLEMSANDSOFTWARETOOLSHAVEYETTOBEDEVELOPEDFORTHESTUDYANDCONTROLDESIGNOFSUCHSYSTEMSTHEREARESOMEINDUSTRIALNETWORKEDCONTROLSYSTEMSSUCHASPOWERSYSTEMS,TRANSPORTATIONSYSTEMS,COMMUNICATIONSYSTEMS,WHICHHAVEBEENSTUDIEDFORQUITEALONGTIMEBUTONLYFROMTHEVERYENDOFLASTCENTURY,PEOPLESTARTEDTOINVESTIGATETHESESYSTEMSFROMAVIEWPOINTOFNCSNEWPERSPECTIVEMAYBRINGBREAKTHROUGHPROCESSINTHENEARFUTURENETWORKCONTROLISACROSSDISCIPLINE,ACHALLENGINGANDPROMISINGRESEARCHFIELD22INTELLIGENTROBOTSIN1970SAND1980S,THEADVENTOFCOMPUTERCONTROLLEDROBOTSANDTHEFIELDOFROBOTICSBECAMEAFERTILEGROUNDFORRESEARCHINCOMPUTERSCIENCEANDMECHANICALENGINEERING,WHICHSTIMULATEDTHEINVESTIGATIONOFRELATEDCONTROLTECHNIQUESSINCETHEN,THECONTROLOFROBOTSBECOMESANACTIVEBRANCHOFCONTROLTHEORYINTHEPAST20YEARSORSO,RESEARCHESONTECHNIQUESANDPRODUCTSOFROBOTSINCHINAHAVEACHIEVEDASIGNIFICANTPROGRESSSERIESOFINDUSTRIALROBOTSHAVEBEENPRODUCEDCHINAHASABIGDEMANDFORTHEROBOTSOFSTAMPING,WELDING,ANDASSEMBLINGONCARPRODUCTIONLINESPILOTLESSAIRCRAFTUNDERWATERROBOTSANDVARIOUSINTELLIGENTROBOTSSOMEIMPORTANTRESEARCHTOPICSINCLUDE1STATEESTIMATEOFROBOTS142TRACKINGCONTROL153USINGINTELLIGENTCONTROLTECHNIQUESFORROBOTCONTROLUNDERCOMPLEXENVIRONMENTS16,ANDMANYOTHERSTHEREARESOMEMORECHALLENGINGPROBLEMSFORFURTHERSTUDIES,SUCHASMIXEDINITIATIVESYSTEMSANDHUMANINTERFACESCONTROLUSINGHIGHDATARATESENSORSANDSERVICEANDMEDICALROBOTICS,TONAMEAFEW23GUIDANCEOFMISSILES,AIRCRAFT,ANDSATELLITESINAEROSPACE,CONTROLHASBEENAVITALTECHNOLOGYINTHEPASTCENTURYITISFAIRTOSAYTHATONEOFTHEMOSTSUCCESSFULAPPLICATIONSOFMODERNCONTROLTHEORYISTHECONTROLOFSATELLITESTHESPACEPROGRAMINCHINAWASINITIATEDSOONAFTERTHEFOUNDINGOFTHEPEOPLE’SREPUBLICOFCHINATHEFIRSTCHINESEMISSILEWASBUILTIN1958,ANDTHEFIRSTCHINESESATELLITE,DONGFANGHONG1WASLAUNCHEDINTOITSORBITIN1970CHINABECAMETHEFIFTHCOUNTRYINTHEWORLDTOLAUNCHASATELLITEINTOSPACETHEMANNEDSPACEPROGRAMWASINAUGURATEDIN1992,ANDTHEFIRSTCHINESEASTRONAUTWASLAUNCHEDINTOSPACEBYSHENZHOU5IN2003CHINAISTHETHIRDCOUNTRYTHATISCAPABLEOFSENDINGAHUMANINTOSPACEONITSOWN,AFTERTHESOVIETUNIONANDTHEUNITEDSTATESCHINALAUNCHEDTHECHANG’E1LUNAREXPLORATIONSATELLITEIN2007ITWASSAIDUNOFFICIALLYTHATCHINAHADALSOCARRIEDOUTASUCCESSFULANTISATELLITEMISSILETESTIN2007GUIDANCENAVIGATIONCONTROLINCLUDESPOSITION,SPEED,ANDATTITUDECONTROLITPLAYSAFUNDAMENTALROLEINMANIPULATINGMISSILESANDSATELLITESMANY1956CHENGDZSCICHINASERFINFSCI|NOV2009|VOL52|NO11|19541963
下載積分: 10 賞幣
上傳時間:2024-03-14
頁數(shù): 10
大?。?0.37(MB)
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簡介:此文檔是畢業(yè)設(shè)計外文翻譯成品(含英文原文中文翻譯),無需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題DESIGNOFWATERTEMPERATURECONTROLSYSTEMBASEDONSINGLECHIPMICROCOMPUTER外文作者HANHONGTAN,QIYANYAN文獻出處IOPCONFSERIESMATERIALSSCIENCEANDENGINEERING,2017如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文2641單詞,16420字符字符就是印刷符,中文3858漢字。DESIGNOFWATERTEMPERATURECONTROLSYSTEMBASEDONSINGLECHIPMICROCOMPUTERABSTRACTINTHISPAPER,WEMAINLYINTRODUCEAMULTIFUNCTIONWATERTEMPERATURECONTROLLERDESIGNEDWITH51SINGLECHIPMICROCOMPUTERTHISCONTROLLERHASAUTOMATICANDMANUALWATER,SETTHEWATERTEMPERATURE,REALTIMEDISPLAYOFWATERANDTEMPERATUREANDALARMFUNCTION,ANDHASASIMPLESTRUCTURE,HIGHRELIABILITY,LOWCOSTTHECURRENTWATERTEMPERATURECONTROLLERONTHEMARKETBASICALLYUSEBIMETALTEMPERATURECONTROL,TEMPERATURECONTROLACCURACYISLOW,POORRELIABILITY,ASINGLEFUNCTIONWITHTHEDEVELOPMENTOFMICROELECTRONICSTECHNOLOGY,MONOLITHICMICROPROCESSORFUNCTIONISINCREASING,THEPRICEISLOW,INALLASPECTSOFWIDELYUSEDINTHEWATERTEMPERATURECONTROLLERINTHEAPPLICATIONOFSINGLECHIP,WITHASIMPLEDESIGN,HIGHRELIABILITY,EASYTOEXPANDTHEADVANTAGESOFTHEFUNCTIONISBASEDONTHEAPPEALBACKGROUND,SOTHISPAPERFOCUSESONTHETEMPERATURECONTROLLERINTHECIRCUMSTANCESWILLMAKETHEEFFECTOFCLASSROOMTEACHINGGREATLYREDUCED3DESIGNTHISPAPERINTRODUCESAMULTIFUNCTIONWATERTEMPERATURECONTROLLERDESIGNEDWITH51SINGLECHIPMICROCOMPUTERWITHAUTOMATICANDMANUALWATERSUPPLY,SETWATERTEMPERATURE,REALTIMEDISPLAYWATERQUANTITYANDTEMPERATUREANDALARMFUNCTION,ANDHASTHECHARACTERISTICSOFSIMPLESTRUCTURE,HIGHRELIABILITYANDLOWCOSTTHECURRENTWATERTEMPERATURECONTROLLERONTHEMARKETBASICALLYUSEBIMETALTEMPERATURECONTROL,TEMPERATURECONTROLACCURACYISLOW,POORRELIABILITY,ASINGLEFUNCTIONWITHTHEDEVELOPMENTOFMICROELECTRONICSTECHNOLOGY,MONOLITHICMICROPROCESSORFUNCTIONISINCREASING,THEPRICEISLOW,INALLASPECTSOFWIDELYUSEDINTHEWATERTEMPERATURECONTROLLERINTHEAPPLICATIONOFSINGLECHIP,WITHASIMPLEDESIGN,HIGHRELIABILITY,EASYTOEXPANDTHEADVANTAGESOFTHEFUNCTIONWATERTEMPERATURECONTROLLERMAINLYTOACHIEVETHECONTROLOFWATERTEMPERATURE,ANDTOMEETTHEINDIVIDUALNEEDSOFDIFFERENTUSERSSOAMORECOMPLETECONTROLLERSHOULDHAVETHEFOLLOWINGFUNCTIONSWATERTEMPERATUREMEASUREMENTANDDISPLAYWATERMEASUREMENTANDDISPLAYUSERSETTINGSSUCHASWATERTEMPERATURESETTINGS,TIMINGSETTINGS,ETCONTHEHEATINGTUBECONTROLFUNCTIONSOMEFUNCTIONKEYSSUCHASREGULARAUTOMATICWATER,CONSTANTTEMPERATURECONTROL,MANUALLYADDWATER,MANUALHEATING,ETCTHEFLOWCHARTOFTHECONCRETEDESIGNSCHEMEISSHOWNINFIG1
下載積分: 10 賞幣
上傳時間:2024-03-16
頁數(shù): 16
大小: 0.19(MB)
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簡介:此文檔是畢業(yè)設(shè)計外文翻譯成品(含英文原文中文翻譯),無需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題BASEDONSINGLECHIPMICROCOMPUTERHEATINGTEMPERATUREAUTOMATICCONTROLSYSTEM外文作者DEYONGLIU,HONGSONG,ZHIQIANGKONG文獻出處ADVANCEDMATERIALSRESEARCHVOLS5915932019PP16641668如覺得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文2423單詞,15149字符,中文3704漢字。BASEDONSINGLECHIPMICROCOMPUTERHEATINGTEMPERATUREAUTOMATICCONTROLSYSTEMKEYWORDSAD590,ADC0809,AT89C51,CD4511ABSTRACTTHETEMPERATURECONTROLISONEOFTHEMOSTCOMMONCONTROLSYSTEM,WITHTHEDEVELOPMENTOFTHESENSINGTECHNOLOGY,NEWSINGLEBUSDIGITALTEMPERATURESENSORTOACHIEVEFASTERDEVELOPMENTOFTHETESTANDCONTROLOFTHETEMPERATURETHESYSTEMISATEMPERATURESENSORAD590TOACQUISITIONANALOGSIGNALS,AFTERADC0809CONVERTEDINTODIGITALSIGNALSTO89C51SINGLECHIPPROCESSING,SOASTOACHIEVETHECOLLECTIONOFTEMPERATURE,ANDTHENTHROUGHTHECD4511DRIVESEVENSECTIONSLEDDISPLAYTHESYSTEMCANCONTROLOFTEMPERATURE,THROUGHTHEKEYBOARDFORTEMPERATUREOFADDORSUBTRACTSETTINGS,IFDETECTIONTEMPERATUREISMORETHANSETTEMPERATURE,STOPHEATING,IFDETECTIONTEMPERATUREISBELOWTHESETTEMPERATURE,STARTHEATINGTHESYSTEMOFDESIGNANDWIRINGARESIMPLE,EASYEXTENSION,COSTEFFECTIVE,VOLUMEISSMALL,COMPACTSTRUCTURE,STRONGANTIINTERFERENCEABILITYFIG1SYSTEMSTRUCTURETHESYSTEMHARDWARECIRCUITDIAGRAMTHEMAINCONTROLCIRCUITMCS51ISAN8BITSCPU,128BDATASTORAGE,4KBPROGRAMMEMORY,FIVEINTERRUPTSOURCE,ANDTWO16BITTIMERS/COUNTER,ONESERIALPORT,FOURPARALLEL8BITI/OANDTWENTYONESPECIALFUNCTIONOFREGISTERSTHEMOSTBASICCIRCUITOFTHESINGLECHIPMICROCOMPUTERISABLETOMAKESCMNORMALSTARTANDWORKOFTHECIRCUITS,INCLUDINGPOWERVCCTERMINATION5VVOLTAGE,VSSGROUNDEDDUETOTHELOWELECTRICPINSEAATORDINARYTIMESISTOVISITPIECEOFEXTERNALSTORAGE,THESYSTEMDOESNOTNEEDTOEXPANDOUTSIDEOFMEMORY,SOITNEEDTOMAINTAINAHIGHLEVEL,CONNECTTHEPOWERSUPPLYVOLTAGE5VTHECLOCKCIRCUITMCS51INTERNALHAVEONEFORAREVERSEPHASEOFHIGHPOWERGAINOSCILLATORAMPLIFIER,THEHIGHPOWERGAINREVERSEPHASEOFTHEAMPLIFIERINPUTFORCHIPXTAL1PIN,THEOUTPUTFORCHIPXTAL2PINTHETWOPINSJUMPERQUARTZOSCILLATORANDFINETUNECAPACITANCETRANSISTOR,THEYFORMASTABLEOFSELFEXCITEDOSCILLATORCIRCUITOFCAPACITANCEC1ANDC2TYPICALUSUALLYCHOOSETOABOUT30PF,THEOSCILLATIONOFTHECRYSTALSUSUALLYBETWEEN12MHZFREQUENCYAND12MHZTHEHIGHERTHECRYSTALFREQUENCY,THESYSTEMCLOCKFREQUENCYISHIGHER,THERUNNINGSPEEDOFSINGLECHIPMICROCOMPUTERALSOMOREQUICKLYMCS51OFTENCHOOSECONCUSSION6MHZOR12MHZFREQUENCYOFQUARTZCRYSTAL,THECONTROLSYSTEMCHOICE12MHZRESETCIRCUITMCS51RESETBYEXTERNALRESETCIRCUITTOREALIZE,RESETCIRCUITOFSINGLECHIPPROCESSORISINITIALIZEDOPERATION,MAKESCMINITSINITIALSTATEONELEVELRESETTHROUGHTHERESISTANCEANDPOWERSUPPLYTHERST5VCONNECTEDTOFULFILLWHENQUARTZCRYSTALFREQUENCYFOR12MHZ,RESETCIRCUITPARAMETERSFOR1UFELECTROLYTICCAPACITORSAND10K?RESISTANCETHEDISTRIBUTIONOFI/OTHESYSTEMNEEDSINPUTANDOUTPUTOFTHESINGLECHIP
下載積分: 10 賞幣
上傳時間:2024-03-16
頁數(shù): 17
大?。?0.67(MB)
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