线性马达的原理与应用

54MotorTechnologyLab.,TamkangUniversity線性馬達(LinearMotors)55MotorTechnologyLab.,TamkangUniversityLinearDrivesAir/HydraulicCylinderBeltLinearMotorBallscrewRack&PinionNoBacklashNoWearHighSpeedHighPrecisionHighDynamicUnlimitedTravelSmoothMotionMulti-HeadsOperationLowPartCount線性馬達優點LinearMotion56MotorTechnologyLab.,TamkangUniversity線性馬達種類NSSNSSSN線性步進馬達鐵心式線性伺服馬達線性感應馬達無鐵心式線性伺服馬達57MotorTechnologyLab.,TamkangUniversity線性步進馬達動作原理1)2)3)4)/4/4/4AB+-動子定子AB+-AB+-AB+-磁鐵58MotorTechnologyLab.,TamkangUniversity線性步進馬達基本模組(a)(b)(c)直線式旋轉式平面式59MotorTechnologyLab.,TamkangUniversity直線式線性步進馬達1.5mLMPAforBOSCH,Germany60MotorTechnologyLab.,TamkangUniversity直線式線性步進馬達定子動子壓縮空氣入口61MotorTechnologyLab.,TamkangUniversity線性步進馬達定子凹槽62MotorTechnologyLab.,TamkangUniversity旋轉式線性步進馬達63MotorTechnologyLab.,TamkangUniversity平面式線性步進馬達LMSP,TOKYOELECTRONTravel:640x640mmAccuracy:+/-0.002mmVelocity:1m/sYaw:2arcsec10mmSettling:100ms64MotorTechnologyLab.,TamkangUniversity直線式之變化L-TypeU-TypeO-Type65MotorTechnologyLab.,TamkangUniversity各式之組合直線式旋轉式平面式66MotorTechnologyLab.,TamkangUniversity結合直線與旋轉式步進馬達之XYTable67MotorTechnologyLab.,TamkangUniversity雙動子線性步進馬達直線式平面式68MotorTechnologyLab.,TamkangUniversity平面式雙動子馬達典型應用例:晶圓檢測機，PCB/LCD檢測機，PCB飛針檢測機，雷射切割機69MotorTechnologyLab.,TamkangUniversity線性永磁交流馬達(線性伺服馬達)(LinearPMSMMotor)70MotorTechnologyLab.,TamkangUniversity鐵心式線性伺服馬達原理NSSNSNNS•通常繞線部份為動子,磁鐵部份為定子•需要光學尺回授做伺服控制•有顯著的CoggingForce移動導磁鐵心71MotorTechnologyLab.,TamkangUniversity鐵心式線性伺服馬達形式*FromLinearSynchronousMotors,byG.GierasandZ.Piech單側式管狀馬達–外線圈雙側式管狀馬達–內線圈72MotorTechnologyLab.,TamkangUniversity鐵心式伺服馬達磁鐵動子光學尺73MotorTechnologyLab.,TamkangUniversity雙動子鐵心式伺服馬達74MotorTechnologyLab.,TamkangUniversity線性伺服馬達XY平台75MotorTechnologyLab.,TamkangUniversityPCBDrillingMachines應用76MotorTechnologyLab.,TamkangUniversityPCBDrillingMachines馬達77MotorTechnologyLab.,TamkangUniversity無鐵心式線性伺服馬達原理•定子由磁鐵排列而成,通常雙側式•動子由不導磁材料構成(如塑膠),繞線粘在材料上•氣隙較大,推力較小,但CoggingForce很小動子定子SNSNSSNNNSSNSNSSNNNS78MotorTechnologyLab.,TamkangUniversity無鐵心式線性伺服馬達磁鐵動子79MotorTechnologyLab.,TamkangUniversity無鐵心與有鐵心馬達組成的XYTable無鐵心馬達有鐵心馬達80MotorTechnologyLab.,TamkangUniversity雙動子無鐵心伺服馬達81MotorTechnologyLab.,TamkangUniversityWaferRobot應用82MotorTechnologyLab.,TamkangUniversity無鐵心伺服馬達組成的XYGantry(龍門式平台)83MotorTechnologyLab.,TamkangUniversityXYZGantry84MotorTechnologyLab.,TamkangUniversity管狀線性伺服馬達(LinMot)*From馬達技術實驗室(MotorTechnologyLab.)86MotorTechnologyLab.,TamkangUniversity目前的研究•磁力軸承與軸流式pump設計•軸向磁通馬達設計與應用•開關磁阻馬達自軸承(Self-bearing)控制•開關磁阻馬達震動抑制策略•開關磁阻馬達pump87MotorTechnologyLab.,TamkangUniversityrotorimpellerBerlinIncorI,BerlinHeartAG,GermanyMagneticallyLevitatedAxialFlowBloodPump88MotorTechnologyLab.,TamkangUniversity轉子葉片由輪殼往外設計為實心結構，葉片容易製造與安裝，但airgap較大轉子為空心結構，葉片由輪殼往內的設計，airgap較小，馬達效率與磁力軸承的可靠度較高OuterandInnerImpellerDesignouterimpellerinnerimpeller89MotorTechnologyLab.,TamkangUniversityringpermanentmagnetselectromagneticactuatorrotorimpeller(notshown)motor單軸磁力軸承控制之AxialFlowPump設計(InnerImpeller)fluidflow2組環形磁鐵(PassiveRadialBearing)提供轉子徑向平衡力1組環型電磁鐵(ActiveThrustBearing)提供轉子軸向力控制軸向位移90MotorTechnologyLab.,TamkangUniversityPrototypeBLDCHallsensorsfluidflowelectromagneticactuatorringpermanentmagnets91MotorTechnologyLab.,TamkangUniversity實驗室設計之BLDCMotor定子線圈92MotorTechnologyLab.,TamkangUniversity輪椅電動機車電動腳踏車WheelMotorApplications93MotorTechnologyLab.,TamkangUniversitymagnetsbearingstatorrotor3相48極軸向磁通車輪馬達設計94MotorTechnologyLab.,TamkangUniversity實驗室設計之WheelMotor定子轉子95MotorTechnologyLab.,TamkangUniversity實驗室設計製作之12/8極SRM定子轉子96MotorTechnologyLab.,TamkangUniversity12極驅動器實驗平台實驗系統97MotorTechnologyLab.,TamkangUniversity6/4極SRM因為SRM之轉子必需為凸極結構,若能將轉子設計成近似葉片之形狀,則轉子不只可導引磁場,亦可用來推動流體98MotorTechnologyLab.,TamkangUniversity60o同一極設計修正:•定子分成3段,極線圈在每一段上皆分配一極,極與極之間相差60o•扭轉轉子成大約45o斜角,使其近似泵浦葉片99MotorTechnologyLab.,TamkangUniversityAxialFlowPump機構及流體方向bearingimpeller(rotor)statorbearingtubefluidflow100MotorTechnologyLab.,TamkangUniversity實驗室設計之SRMMotor-Pump定子流體入口轉子101MotorTechnologyLab.,TamkangUniversity結語102MotorTechnologyLab.,TamkangUniversity與馬達相關的生涯規劃•專業知識–控制理論、電子電路、微處理機、程式設計技巧、馬達技術•將來可做什麼樣的工作？馬達控制、馬達設計、伺服控制、機電整合、自動化工程、冷凍空調機控制...•成功的工作態度-敬業精神、企圖心