机械手外文文献和文献翻译Word格式.docx
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机械手外文文献和文献翻译Word格式.docx
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Thepresentinventionrelatestoamanipulatorsuchasaminutecomponentassemblyapparatuswhichassemblesaminuteobjectsuchasamicromachinecomponentorunitbyusingamagnifyingobservationdevicesuchasanopticalmicroscope,electronmicroscope,orscanningtunnelingmicroscope,oracompactmanipulatorapparatuswhichperformsdiagnosis,medicaltreatment,research,biologicalproduction,orthelikebyphysicallymanipulating,forexample,minutetissues,cells,orgenesofalivingbodyandaminuteobjectmanipulatingapparatususingthemanipulator.
BACKGROUNDOFTHEINVENTION
Therehavebeenknownatechniqueofcontrollingthepostureofamanipulatingmember(end-effector)byrotatingageneralsizearmusingageneralsizebearingandatechniqueofperforminganecessaryprocessonaminuteworkinaworkingdevicebyrotatinganarmortoolalonganarcuatedguide(see,forexample,JapanesePatentLaid-OpenNo.7-256575).
Inaconventionalapparatuslikethosedescribedabove,ifthedistalendofanend-effectorisnotlocatedontherotationaxisofabearingorarcuatedguide,thedistalendoftheend-effectormovesoutofthevisualfieldordepthoffocusofamicroscopeduetoposturecontroloperation.Thismakesitnecessarytopositionthemicroscopeandthedistalendoftheend-effectoragain.Asdescribedabove,inamanipulatorwhichmanipulatesaminuteobject,whenthepostureoftheend-effectoratthedistalendiscontrolled,themanipulationtargetobjectoftenmovesoutofthevisualfieldofthemicroscope.Inaconventionalmanipulatorhavingthreedegreesofrotationalfreedom,inparticular,sincetherotationaxescorrespondingtotherespectivedegreesoffreedomdonotcoincidewitheachotheranddonotcrossatonepoint,thedistalendoftheend-effectortendstomoveoutofthevisualfieldordepthoffocusofthemicroscopeduetoposturecontroloperation.Insuchacase,themicroscopeandthedistalendoftheend-effectormustbepositionedagain.Thisoperationrequiresalongperiodoftime.
SUMMARYOFTHEINVENTION
Itisanobjectofthepresentinventiontoprovideamanipulatorsuchasacompactmanipulatorapparatuswhichsolvestheaboveproblemsandmanipulatesaminutetargetobject,andaminuteobjectmanipulatingapparatusorthelikeusingthemanipulator.
Inordertoachievetheaboveobject,accordingtothepresentinvention,thereisprovidedamanipulatorcomprising:
amanipulationtargetobjectmanipulatingmemberbeingdrivenandcontrolledbyapluralityoffreerotationaxes;
allthepluralityoffreerotationaxescrossingatonepoint;
and,amanipulationdistalendportionofthemanipulatingmemberbeingplacedneartheintersection.
Accordingtothisarrangement,themanipulatorhasamechanisminwhichapluralityof(typicallythree)freerotationaxescrossatonepoint,andthedistalendportionofamanipulatingmember(end-effector)whichmanipulatesamanipulationtargetobjectisplacedneartheintersection.Withthisstructure,evenif,forexample,thepostureoftheend-effectorischanged,itsdistalendportioncanbemadetoremainwithinthevisualfieldofamicroscope.
Thefollowingembodimentcanbeprovidedonthebasisoftheabovebasicarrangement.
Accordingtoanembodimentofthepresentinvention,themanipulatingmemberisintegrallymountedonasphericalshellmovablemember,themanipulationdistalendportionofthemanipulatingmemberisplacednearthecenterofthesphericalshellmovablemember,thesphericalshellmovablememberisincontactwithavibrationmemberwhichcanvibrate,androtationofthesphericalshellmovablememberaroundthecenterthereofiscontrolledbycontrollingvibrationofthevibrationmember,therebycontrollingapostureofthemanipulatingmember.
Whentherotationofthemovablememberintheformofasphericalshelliscontrolledbycontrollingthevibrationofthevibrationmember,thedistalendportionoftheend-effectorismadetoremainwithinthevisualfieldofthemicroscopeevenifthepostureoftheend-effectorischanged.
Accordingtoanotherembodimentofthepresentinvention,themanipulatorfurthercomprises:
firstrotatingmeansforrotatingafirstrotatingshaftonwhichafirstarmismounted;
secondrotatingmeansforrotatingasecondrotatingshaftwhichismountedonthefirstarmandonwhichasecondarmismounted;
andthirdrotatingmeansforrotatingathirdrotatingshaftwhichismountedonthesecondarmandonwhichathirdarmismounted,whereinthemanipulatingmemberismountedonthethirdrotatingshaft,andthefirst,second,andthirdrotatingshaftspassthroughamanipulationdistalendportionofthemanipulatingmember.
Inaddition,inordertoachievetheaboveobject,accordingtothepresentinvention,thereisprovidedaminuteobjectmanipulatingapparatuscomprising:
amanipulatorcomprisingamanipulationtargetobjectmanipulatingmemberbeingdrivenandcontrolledbyapluralityoffreerotationaxes,allthepluralityoffreerotationaxescrossingatonepoint,andamanipulationdistalendportionofthemanipulatingmemberbeingplacedneartheintersection;
amagnifyingobservationdeviceformagnifyingobservationofthemanipulationtargetobjectandthemanipulationdistalendportionofthemanipulatingmember;
andaremotecontrollerforremotelycontrollingthemanipulator.
Thisapparatusalsomakesthemostoftheadvantagesoftheabovemanipulator.Inaddition,forexample,themanipulatorcanbeplacedontheuppersideofamanipulationtargetobject,andthemagnifyingobservationdevicecanbeplacedonthelowersideofthemanipulationtargetobject.
Otherfeaturesandadvantagesofthepresentinventionwillbeapparentfromthefollowingdescriptiontakeninconjunctionwiththeaccompanyingdrawings,inwhichlikereferencecharactersdesignatethesameorsimilarpartsthroughoutthefiguresthereof.
DETAILEDDESCRIPTIONOFTHEPREFERREDEMBODIMENTS
Preferredembodimentsofthepresentinventionwillnowbedescribedindetailinaccordancewiththeaccompanyingdrawings.
FirstEmbodiment
ThefirstembodimentofthepresentinventionwillbedescribedfirstwithreferencetoFIGS.1and2Ato2D.Thisembodimentusesamechanisminwhichalltheaxescorrespondingtothreedegreesofrotationalfreedomcrossatonepoint.Inthissystem,thecenterofthedistalendmanipulatingportionofanend-effectorisplacednearthecenterofthesphericalrotatingmemberofavibrationactuatorhavingthreedegreesoffreedomliketheonedisclosedinJapanesePatentLaid-OpenNo.11-220891.Insuchavibrationactuator,rotationaxescanbearbitrarilyset.Sincealltherotationaxespassthroughthecenterofasphericalrotatingmember,asimplesystemwithhighrigiditycanbeformedbyusingthisactuator.Asasensorforfeedingbackthepositionandvelocityofthesphericalrotatingmember,atwo-dimensionalpositionsensorusingadetectionprinciplelikethatdisclosedinJapanesePatentLaid-OpenNo.10-65882issuitablyused.Thissensorirradiatesasphericalsurfacewithlightemittedfromanirradiationsourcebasedontheopticalmousesystemortheliketoformanirradiationpatternconstitutedbyahigh-luminanceregionandarelativelylow-luminanceregioncorrespondingtotheminuteshapeofthesphericalsurface.Movementinformationisthenobtainedbyusingthemovementoftheirradiationpatternbasedontherelativemovementbetweenthesphericalsurfaceandthesensor.
FIG.1isaviewwhichismostindicativeofthemainpartofthisembodiment.Referencenumerals20-1,20-2,and20-3denotethefirst,second,andthirdelasticmembervibrationelementsofamultipledegree-of-freedomvibrationactuator,respectively;
and1-1and1-2,piezoelectricceramicswhichgeneratebendingvibrationsandlongitudinalvibrations,respectively.Eachvibrationelement20isfixed/supportedonaframe(notshown)withanarmportion(see1#x2013;
2#x2032;
inFIG.6)extendingfromanelectrodeplateportionforapiezoelectricceramicintheradialdirection.Thedrivingprincipleandarrangementofthemultipledegree-of-freedomvibrationactuatorwillbedescribedindetaillater.
Referencenumeral2denotesamovablememberintheformofasphericalshellwhosesphericalsurfacecomesintocontactwiththevibrationelement20-1.Inthisembodiment,onlyaportionofthemovablemember2isasphericalsurface,whichcomesintocontactwiththevibrationelement20-1.Themechanismofdrivingcontrolwillbedescribedlater.Referencenumeral3denotesamicro-handwhichisintegrallymountedonthemountportionofthelowerportionofthemovablemember2intheformofasphericalshell.Themicro-hand3hasmanipulationfunctionssuchasafunctionofgraspingorreleasingaminuteobjectsuchasacellandafunctionofperformingaprocesssuchasformingaholeinaminuteobjectorcuttingit.Themicro-hand3isplacednearthecenterofthesphericalsurfaceofthemovablemember2.Referencenumeral4denotesavesselinwhichaminuteobjectsuchasacellisstored.Thevessel4ismadeofatransparentmaterialsuchasglass.Aliquidsuchasphysiologicalsalinesolutionisoftencontainedinthevessel4.Referencenumeral5denotesanX-YorX-Y-Zstagewhichcanadjusttherelativepositionbetweenthemicro-hand3andaminuteobjectasamanipulationtargetobjectbyadjustingthepositionofthevessel4onthestage;
and6,amagnifyingobservationdevicesuchasamicroscope,whichmagnifiesimagesofthemanipulatio
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