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ID:33485149
大小:2.95 MB
页数:84页
时间:2019-02-26
《基于gmm和柔性铰链的大位移微致动器设计与的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、一p,f-paper.Alltheaboveprovideatheoreticalbasisfordeterminingsn佻tI肛。alparametersofflexiblehinge.Thestaticandmodalanalysisofdisplacementamplifierisimplementedbyfiniteelementmethod.Itsresultshowsthattheamplificationfactor,inputandoutputstiffnessCanberealizedasco
2、nstants,anditsintensionCanmeettheneedswhileamplificationfactoris6.8andinputdisplacementis801arn.Themagnetic-mechanicalcouplingrelationshipofGMMrodisdescribedbypiezomagneticequation.Thedynamiccharacteristicoflargedisplacementmicro—actuatorisanalyzedbyitsdynami
3、cmodelsimulation.Theresultshowsthattime··domainandfrequency--domainperformanceofthedesignedactuatorissuperior.Meanwhile,theanalysisoftherelationshipbetweenitsstructureanddynamiccharacteristicCallprovideabasisforitsdynamicdesignandoptimization.Thetestandexperi
4、mentresearchofthedesignedmicro-actuatorcharacteristicsisimplementedinthispaper,includingmagneticfield,outputdisplacement,stability,displacementamplifierperformance.Theresultshowsthatthethree-dimensionalfiniteelementmodelanditsanalysisofmicro—actuatorviaANSYSi
5、scorrect;theamplifierfactorofdisplacementamplifierstructureviaANSYSisequaltoexperiment;thesteady-stateoutputalsoequaltoexperiment.Keywords:GiantMagnetostrictiveMaterial,FlexibleHinge,Micro—Actuation,DisplacementAmplifier,FiniteElementMethodⅣ“厶武汉理工大学硕士学位论文摘要.目
6、录ABSTRACT第1章绪论。Il1.1课题研究背景⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.11.2超磁致伸缩材料及应用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.31.2.1超磁致伸缩材料简介⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯~31.2.2磁致伸缩的机理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..51.2.3超磁致伸缩材料的物理效应⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.71.2.4超磁致伸缩材料的应用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.71.3课题研究意义及内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
7、⋯⋯⋯⋯⋯⋯⋯⋯⋯111.3.1课题研究意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯111.3.2课题研究内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯1l1.3.3课题来源⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯13第2章大位移微致动器的设计⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯142.1大位移微致动器的总体结构与工作原理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯142.2GMM棒选型⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯152.3线圈的设计⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
8、⋯⋯⋯⋯⋯162.4磁路结构的设计⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯192.5预压机构的设计⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯202.6温控结构的设计⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯212.7位移放大机构的设计⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯222.8本章小结⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯25
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