已閱讀5頁,還剩15頁未讀, 繼續(xù)免費閱讀
版權說明:本文檔由用戶提供并上傳,收益歸屬內容提供方,若內容存在侵權,請進行舉報或認領
文檔簡介
本科生畢業(yè)設計(論文)翻譯資料中文題目:以微型機器人為基礎的自動化顯微操作裝置為微系統(tǒng)裝配英文題目:Amicrobot-basedautomatedmicromanipulationstationforassemblyofmicrosystems1Amicrorobot-basedautomatedmicromanipulationstationforassemblyofmicrosystemsSergejFatikowMirkoBenzAbstract:Thedevelopmentofnewtypesofminiaturizedandmicrorobotswithhuman-likecapabilitiesplayanimportantroleindifferentapplicationtasks.Oneofthemainproblemofpresent-dayresearchis,forexample,toassembleawholemicrosystemfromdifferentmicrocomponents.Thispaperpresentsanautomatedmicromanipulationdesktopstationincludingapiezoelectricallydrivenmicrorobotplacedonthehighly-precisexystageofalightmicroscope,aCCD-cameraasalocalsensorsubsystem,alasersensorunitasaglobalsensorsubsystem,andaPentiumPCequippedadditionallywithanopticalgrabber.Themicrorobothasthreepiezoelectricallydrivenlegsandtwoautonomousmanipulatorsasendeffectors;itcanperformhighly-precisemanipulations(withanaccuracyofupto10nm)andanondestructivetransport(ataspeedofseveralmm/s)ofverysmallobjectsunderamicroscope.Toperformmanipulationsautomatically,acontrolsystem,includingataskplanninglevelandareal-timeexecutionlevel,isbeingdeveloped.(C)1998ElsevierScienceB.V.Allrightsreserved.Keywords:Microrobots;Microassembly;Automateddesktopstation;Assemblyplanning;Piezoactuators1.Introduction:Thereisagrowingneedforminiaturizedandmicrorobotsworldwide.Duetotheenormousbreakthroughsinconventionalroboticsandinthemicrosystemtechnology(MST),everyoneisconvincedthatthedevelopmentofremote-controlledorautonomousmicrorobotswillleadtoimprovementsinmanyareas.Aboveall,positiveresultsareexpectedinmedicine(microsurgery),manufacturing(microassembly,inspectionandmaintenance),biology(manipulationofcells)andtesting/measuringtechnique(VLSI).Medicineisoneoftheapplicationfieldswhichwouldprofitbythemicroroboticsthemost.Theattentionliesonartificialorgans(prosthetics),laparoscopy,implantabledrugdeliverysystems(diagnosisandtherapysystems),telemicrosurgery,etc.Theminimal-invasivesurgerydevelopedintoanimportantfieldofmedicineduringthelastyears.Smallerandmoreflexibleactiveendoscopesareneededinordertoreplacehumanhands,respondtoouterincidents,penetrateintoabodyoravesselthroughnaturalbodilyorificeorasmallincisionby2remotecontrol,wheretheyperformcomplexin-situmeasurementsandmanipulations.Inordertomeettheserequirements,microprocessors,severalsensorsandactuators,alightsourceandpossiblyanimageprocessingunitshouldbeintegratedintoanintelligentendoscope.Biotechnologyrequiresspecialmicrostructuredactivetoolswhichareabletoperformmicromanipulationslikethesortingorreunionofcellsortheinjectionofaforeignbodyintoacellunderamicroscope.Inthegeneresearchandtheenvironmenttechnique(cellsasindicatorsforharmfulsubstances),preciseandgentlemanipulationofsinglecellsarealsorequired.Industryandespeciallymanufacturingandmeasuringtechniquesneedhighlysensitivetestingmethodsinthem-range.Animportanttaskrepresents,forexample,theinspectionofwafers,whereseveralcheckpointshavetobecontactedbyatemperatureorvoltageprobe.Thesameisvalidforinspectionrobotswhichareusedininaccessibleordangerousterraininordertodetectleaksorflawsandmakerepairs(e.g.,inpipelines)。TheadoptionofMST-relateddevelopmentsbytheindustryhasalreadydemonstratedwhichkindofproblemsoccurwiththemassproductionofmicrosystems.Thesesystemsusuallyconsistofmicrocomponentsofdifferentmaterialswhichareproducedwithvariousmicrotechniques;thisleadstooneorseveralverypreciseassemblystep(s)oftheindividualcomponents.Theassemblyofmicrosystems,i.e.,thenon-destructibletransport,precisemanipulationorexactpositioningofmicrocomponentsisbecomingoneofthemostimportantapplicationsinmicrorobotics.2.Manipulationofmicroobjects:Theavailabilityofhighlypreciseassemblyprocesseswillmakeiteasiertoeconomicallyrealizeoperablemicrosystems.Inordertoefficientlyproducemicrosystemsandcomponentsinlotsizesorbymass-productiontechniques,itisabsolutelynecessarytointroduceflexible,automated,preciseandfastmicroassemblystations.Differentconceptsarebeingfollowedtodomicromanipulationforparticularclassesofapplication.Purelymanualmicromanipulationisthemostoftenusedmethodtoday.Inmedicineandbiologicalresearch,itisusedexclusively.Eveninindustry,microassemblytasksareveryoftencarriedoutbyspeciallytrainedtechnicians,who,forexample,prepositionassemblypartsusingscrewsandsprings,thenpositionthepartswithtinyhammersandtweezers,andfinallyfastentheminthedesiredposition.However,withincreasingcomponentminiaturization,thetolerancesbecomesmallerandsmaller,andthecapabilitiesofthehumanhandarenolongeradequate.3Theapplicationofpartiallyautomaticmicromanipulationsystemsofconventionalsize,whichareteleoperated;thereby,thehandmotionsofthehumanoperatoraretranslatedintofiner3Dmotionsforthemanipulatorsofthemanipulationsystembymeansofajoystickormouse.Here,thedexterityofthehumanhandissupportedbysophisticatedtechniques.However,thefundamentalproblemoftheresolutionofthefinemotionandofthespeedremain,sincethemotionofthetoolisadirectimitationofthatoftheoperatorshand.TheuseofautomatedmultifunctionalmicromanipulationdesktopstationssupportedbyminiaturizedflexiblerobotswhichemployMST-specificdirect-driveprinciples.Theserobotscouldbemobileandareableperformmanipulationsindifferentworkareas.Thetransportandmicromanipulationunitsperformingtheassemblymaybeintegratedontoonechip.Asopposedtotheaforementionedmicromanipulationtechnique,thereisnodirectconnectionbetweentheoperatorshandsandtherobot.Theassemblystepsmaybecarriedoutwiththehelpofclosedloopcontrolalgorithms.Thehumanassignsalltaskstominiaturizedassemblymechanismsand,bydoingso,triestocompensateforhislimitedmicromanipulationcapabilities.Manymicrorobotscanbeactiveatthesametimeinadesktopstation.Theuseofmanyflexiblenanorobotsystemswhichsolvethemanipulationtasksinclosecooperation.Here,therobotsizeiscomparabletothatofthemanipulatedobject.Thisconceptcouldbebasedonthehumanbehavior,butitsrealizationliesinthedistantfuture.Ingeneral,manipulationsvaryfromanapplicationtoanother.However,approximatelythesameoperationsequencesareusedineverycase.Theyare:grip,transport,position,release,adjust,fixinplaceandprocessingstepslikecutting,soldering,gluing,removalofimpurities,etc.Inordertobeabletocarryouttheseoperations,correspondingtoolsareneeded,suchasmicroknives,microneedlestoaffixobjects,microdosingjetsforgluing,microlaserdevicesforsoldering,weldingorcutting,differ
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內容里面會有圖紙預覽,若沒有圖紙預覽就沒有圖紙。
- 4. 未經權益所有人同意不得將文件中的內容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內容本身不做任何修改或編輯,并不能對任何下載內容負責。
- 6. 下載文件中如有侵權或不適當內容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 2026年東方國際集裝箱(連云港)有限公司招聘備考題庫及完整答案詳解1套
- 2026年安徽老年開放大學兼職教師招聘備考題庫及完整答案詳解1套
- 2026年南昌大學附屬眼科醫(yī)院高層次人才招聘9人備考題庫及完整答案詳解1套
- 2026年寧波市教育局直屬學校教師招聘58人備考題庫及答案詳解參考
- 2026年佛山市陳村鎮(zhèn)民族路幼兒園臨聘教師招聘備考題庫及一套答案詳解
- 2026年蘭州中川機場招聘備考題庫及1套參考答案詳解
- 2026年山西晉中理工學院春季招聘備考題庫及1套完整答案詳解
- 2026年吉安市人才資源開發(fā)服務有限公司招聘備考題庫完整答案詳解
- 2026年威海智慧谷職業(yè)中等專業(yè)學校有限公司公開招聘工作人員備考題庫完整答案詳解
- 2026年中國人民財產保險股份有限公司海南省分公司招聘備考題庫帶答案詳解
- 開曼群島公司法2024版中文譯本(含2024年修訂主要內容)
- 貴陽市普通中學2023-2024學年度高一第一學期數(shù)學期末監(jiān)測考試試卷
- 湘教 八下 數(shù)學 第2章《平行四邊形的判定》課件
- 骨科技能操作流程及評分標準
- 控制區(qū)人員通行證件考試1附有答案
- 2016-2023年北京財貿職業(yè)學院高職單招(英語/數(shù)學/語文)筆試歷年參考題庫含答案解析
- 《思想道德與法治》
- 滬教版生物科學八年級上冊重點知識點總結
- 汽車美容裝潢工(四級)職業(yè)資格考試題庫-下(判斷題匯總)
- 焊縫的圖示法
- 2020年云南省中考英語試卷真題及答案詳解(含作文范文)
評論
0/150
提交評論