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103 个结果
  • 简介:日本最新研制的“机器人老师”Saya,酷似真人,喜怒哀乐等各种面部表情令学生们惊奇不已,而且她管理起班级来也是有板有眼……

  • 标签: 高中 英语教学 课外阅读 阅读教材
  • 简介:Thispaperpresentsthedesignandprototypeofasmallquadrupedrobotwhosewalkingmotionisrealizedbytwopie-zocompositeactuators.Inthedesign,biomimeticideasareemployedtoobtaintheagilityofmotionsandsustainabilityofaheavyload.Thedesignoftherobotlegsisinspiredbythelegconfigurationofinsects,twojoints(hipandknee)ofthelegenabletwobasicmotions,liftingandstepping.Therobotframeisdesignedtohaveasloperelativetothehorizontalplane,whichmakestherobotmoveforward.Inaddition,theboundinglocomotionofquadrupedanimalsisimplementedintherobot.Experimentsshowthattherobotcancarryanadditionalloadofabout100gandrunwithafairlyhighvelocity.Thequadrupedprototypecanbeanimportantsteptowardsthegoalofbuildinganautonomousmobilerobotactuatedbypiezocompositeactuators.

  • 标签: 四足机器人 耦合运动 驱动器 仿生学
  • 简介:基于本地HSV,图象和对象的形状反对认出的一个方法为机器人追踪被建议。在颜色片断以后,目标的形状的知识被用来认出目标。追踪结果的机器人证明方法的可获得性。

  • 标签: 彩色图象 机器人视觉 视觉跟踪 图象分割
  • 简介:Thispaperthoroughlyinvestigatestheproblemofrobotself-locationbylinecorrespondences.Theoriginalcontributionsarethree-fold:(1)Obtainthenecessaryandsufficientconditiontodeterminelinearlytherobot'sposebytwolinecorrespondences.(2)Showthatifthespacelinesareverticalones,itisimpossibletodeterminelinearlytherobot'sposenomatterhowmanylinecorrespondenceswehave,andtheminimumnumberoflinecorrespondencesis3todetermineuniquely(butnon-linearly)therobot'spose.(3)Showthatifthespacelinesarehorizontalones,theminimumnumberoflinecorrespondencesis3forlineardeterminationand2fornon-lineardeterminationoftherobot'spose.

  • 标签: 机器人 自定位 直线对应法 投影平面法
  • 简介:Forthepurposeofsolvingoptimalcontrolproblemofawall-crawlingmobilerobotworkingonsphericalcontainers,weproposetheHamel'sformalismforPontryaginMaximumPrinciple,whichgivesageneralframeworkfortheoptimalcontrolofamechanicalsystemwithvelocityconstraints,especiallynonholonomicconstraints.Theeffectivenessoftheproposedframeworkisshownbythesimulationsfortheaboveproblem.

  • 标签: Hamel's FORMALISM Optimal control Pontryagin maximum
  • 简介:Thegeneralizedregressionneuralnetwork-onekindofRBFneuralnetwork,ischosentoconstructtheinverse-kinematicsmodelfortheshotcreterobotwhichhasredundantdegree-of–freedom.Theinverse-kinematicsmodeloftheobjectistrainedbythegenerallearningmethod.Inconstructingmodelprocess,differentpartitionmethodsistriedtodividethejointspaceanddifferentdiffusioncoefficientvaluetotraintheneuralnetwork.Theinfluenceofthespreadcoefficienttotheapproachabilityisalsostudied.Thesimulationmethodisadoptedtotesttheperformanceoftheneuralnetwork.Thesimulationresultturnsouttobesatisfactory.

  • 标签: 广义回归神经网络 喷浆机器人 仿真方法 逆运动学模型 RBF神经网络 应用
  • 简介:Acertainnumberofconsiderationsshouldbetakenintoaccountinthedynamiccontrolofrobotmanipulatorsashighlycomplexnon-linearsystems.Inthisarticle,weprovideadetailedpresentationofthemechanicalandelectricalimpli-cationsofrobotsequippedwithDCmotoractuators.Thismodeltakesintoaccountallnon-linearaspectsofthesystem.Then,wedevelopcomputationalalgorithmsforoptimalcontrolbasedondynamicprogramming.Therobot’strajectorymustbepredefined,butperformancecriteriaandconstraintsapplyingtothesystemarenotlimitedandwemayadaptthemfreelytotherobotandthetaskbeingstudied.Asanexample,amanipulatorarmwith3degreesoffreedomisanalyzed.

  • 标签: DYNAMIC PROGRAMMING ROBOT MANIPULATORS OPTIMAL control
  • 简介:用身体部分名词填空:Hello!Everyone.Iamarobot.Ithinkwithmyh__.Iwalkwithmyf__.Ineedn't(不必)washmyf__everyday.Ihavetwobrighte__.Ispeakwithmym__.Ismellwithmyn__.Ilistenwithmye__.Idon'thaveany

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  • 简介:这是一款做工十分精美的解谜类游戏,但是情节与大多数同类游戏不同。以往有关于机器人救援的游戏大都是某地发生灾难,人类的搜救人员无法进入这些危险的地方,所以派出了钢筋铁骨的救援机器人拯救人类安危。但是这款游戏则反其道而行,救援的对象变成了机器人,而玩家需要做的就是利用机智的头脑,控制机器人顺利逃离苦难,拯救机器人于水火之中。

  • 标签: 搜救人员 水火之中 ROBOT 1-2-1 方向键 移动范围
  • 简介:你知道吗?随着现代科技的发展,一些奶农可以利用机器人系统为奶牛挤奶,这样,不但减少:了劳动量,而且还能增加牛奶产量,使他们的生活变得更加轻松。

  • 标签: 高中 英语 课外阅读 教材
  • 简介:Inthispaper,itintroducedthemechanicalstructuredesignofthemultifunctionalwalkingrehabilitationrobot.WeusedtheSolidWorkstodesignandassembletherehabilitationrobot,andoptimizedtherehabilitationrobotbasedonergonomics.Theresultshowsthatthemultifunctionalwalkingrehabilitationrobothasthecharacteristicsofcompletefunctions,convenientoperation,compactstructureandsoon.Itcanmeettherequirementsofmedicalcareequipment,andeffectivelycompletethenursingworkofpatients.

  • 标签: 康复机器人 总体设计 多功能 SOLIDWORKS 机械结构设计 人机工程学
  • 简介:Theresearchonunderwatership-hullcleaningrobotwasconductedonthepurposeofrealizingtheautomationofcleaningunderwatershiphullsothatservicelifeofshipwillbeprolongedandshipspeedwillraised.Moreover,fuelconsumptionandtheworkintensityofdiverswillbereduced.Inthispaper,thecurrentsituationandthelatesttechnologyinChinaandabroadwereanalyzed;meanwhile,thetypicalcharacteristicsoftheunderwatercleaningrobotwereintroduced.Accordingtotheworkprincipleoftheunderwatercleaningrobot,theemphasiswasputontheanalysisandstudyofpermanent-magneticabsorption,magneticwheel,airproofandanticorrosion,underwatercleaningequipmentandcontrolsystem.Therobotiseasyinrotationandsimpleincontrol.

  • 标签: 船舶保养 清洁机器人 双杆控制 水下船体 轮式移动装置
  • 简介:我们在场为为在结构上设计免费步法的一个方法能够表现的对称的四足动物机器人静态地稳定,在不规则的地面上的全向的走。机器人的虚拟模型被构造,一个控制算法被在一些战略地点使用虚拟部件建议。当维持走的速度时,慎重底的控制器能产生腿迁移的灵活序列,并且基于exteroceptive地面侧面的集成数据为动人的腿选择最佳立脚点。模拟结果被介绍在适应不明确的地面显示出步法的效率和系统的稳定性。

  • 标签: 四足机器人 步态规划 智能控制 不规则地形 静态稳定 控制算法
  • 简介:Awheeledmobilemechanismwithapassiveand/oractivelinkagemechanismforroughterrainenvironmentisdevelopedandevaluated.Thewheeledmobilemechanismwhichhashighmobilityinroughterrainneedssophisticatedsystemtoadaptvariousenvironments.Wefocusonthedevelopmentofaswitchingcontrollersystemforwheeledmobilerobotsinroughterrain.Thissystemconsistsoftwosub-systems:anenvironmentrecognitionsystemusinglinkanglesandanadaptivecontrolsystem.Intheen-vironmentrecognitionsystem,weintroduceaSelf-OrganizingMap(SOM)forclusteringlinkangles.Intheadaptivecontrol-lers,weintroduceneuralnetworkstocalculatetheinversemodelofthewheeledmobilerobot.Theenvironmentrecognitionsystemcanrecognizetheenvironmentinwhichtherobottravels,andtheadjustablecon-trollersaretunedbyexperimentalresultsforeachenvironment.Thedualsub-systemswitchingcontrollersystemisexperi-mentallyevaluated.Thesystemrecognizesitsenvironmentandadaptsbyswitchingtheadjustablecontrollers.Thissystemdemonstratessuperiorperformancetoawell-tunedsinglePIDcontroller.

  • 标签: 粗糙地形 移动机器人 神经网络 编辑技术
  • 简介:Whilemuchattentionhasbeengiventobio-roboticsinrecentyears,notmuchofthishasbeengiventothechallengingsubjectoflocomotioninslipperyconditions.Thisstudybeginstorectifythisbyproposingabiomimeticapproachtogeneratingthefrictionrequiredtogivesufficientpropulsiveforceonaslipperysubstrate.Wetookinspirationfromasuccessfulbiologicalsolution-thatofapplyinghair-likestructurestothepropulsiveappendages,similartothesetaefoundinnereidpolychaeteslivinginmuddyhabitats.Webeganbyexaminingthemorphologyandthemeanlocomotionparametersofoneofthemostcommonnereids:Nereisdiversicolor.Followingthisstudy,wedesignedandfabricatedaroboticsystemwithappendagesimitatingthebiologicalshapefoundintheworm.Aflexiblecontrolsystemwasdevelopedtoallowmostofthelocomotionparametersobservedintherealwormtobeappliedtotherobot.Experimentsonthreedifferentnaturalsubstratesrangingfromfinesandtogravelshowedthat,whereasaplateattachedtotheappendagegeneratedmostthrustonasmallparticlesubstrate,abundleofartificialsetaeattachedtotheappendagegeneratedmostthrustonalargeparticlesubstrate.Onalltypesofsubstratetested,anappendagewithoutanyattachmentdidsignificantlyworsethanonewith.Thissuggeststhathair-likestructurescanbeadvantageous.

  • 标签: 仿生学 机器人技术 运动控制 光滑环境 摩擦力