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研究生:莊杰霖
研究生(外文):Chieh-Lin Chuang
論文名稱:降低永磁線性同步馬達頓動力之分析與驗證
論文名稱(外文):Analysis and Verification of the Reduction of Detent Force in a Permanent-Magnet Linear Synchronous Motor
指導教授:陳盛基陳盛基引用關係
指導教授(外文):Seng-Chi Chen
學位類別:碩士
校院名稱:大葉大學
系所名稱:電機工程學系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2007
畢業學年度:95
語文別:中文
論文頁數:98
中文關鍵詞:永磁線性同步馬達頓動力有限元素分析端部效應永久磁鐵
外文關鍵詞:linear permanent magnet synchronous motordetent forcefinite element method analysisend-effectpermanent magnet
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  • 收藏至我的研究室書目清單書目收藏:0
工廠自動化與線性運動控制系統促使永磁線性同步馬達的蓬勃發展。永磁線性同步馬達的優點在於高速、高動態響應及直接驅動。但是,永磁線性同步馬達因端部效應及永久磁鐵與齒槽間的相互作用產生頓動力,頓動力通常會引起我們不想要的振動及噪音。尤其在低速時將對系統造成不利的影響。
本研究分析頓動力並提出四種降低永磁線性同步馬達頓動力的技術。包括:在動子鐵心增加齒靴,並縮小槽口寬度、調整永久磁鐵寬度、選擇適當的動子鐵心長度、修改永久磁鐵表面形狀等。並使用有限元素分析軟體(Ansoft Maxwell-2D)進行模擬,再就所得之模擬結果分析討論,並依此結果設計一組較小頓動力之線性馬達。
最後,我們建立一套頓動力量測機構,實際量測永磁線性同步馬達的頓動力。由實測數據顯示與模擬結果吻合,驗證分析流程的正確性。
Linear permanent magnet synchronous motors have advantages of high speed, high dynamic response and direct drive. And hence they have been gradually applied for factory automation and numerical motion control systems. However, the detent force in linear permanent magnet synchronous motors due to the end-effect and the interaction between the permanent magnet and the armature teeth generally causes the undesired vibration and noise. Particularly, the detent force may cause an adverse disturbance for the system at low speeds.
This study analyzes the detent force in a linear permanent magnet synchronous motor and proposes four detent force minimization techniques, which include adding shoes in the armature teeth, decreasing slot width, modulating the permanent magnet width, choosing the suitable armature length, and modifying the permanent magnet surface shape etc. We discuss the simulation results by finite element method using the Ansoft Maxwell-2D software. Then according to the results a linear motor with lower detent force is designed.
Finally, a detent force measuring device is established to measure the detent force of linear permanent magnet synchronous motor. The measured data together with the simulation results verify the accuracy of the analysis process.
封面內頁
簽名頁
授權書.........................iii
中文摘要........................iv
英文摘要........................v
誌謝..........................vi
目錄..........................vii
圖目錄.........................ix
表目錄.........................xiii

第一章 緒論......................1
1.1 研究動機及目的..................1
1.2 文獻回顧.....................2
1.3 研究步驟與論文架構................3
第二章 線性馬達...................6
2.1 線性馬達簡介...................6
2.2 線性馬達分類...................8
2.3 端部效應.....................10
第三章 永磁線性同步馬達之分析............12
3.1 永磁線性同步馬達原型介紹.............12
3.2 永磁線性同步馬達規格與性能分析..........15
3.2.1 磁鐵材料與磁導係數...............15
3.2.2 線圈繞組分佈與電阻值..............17
3.2.3 馬達電感值...................20
3.2.4 氣隙磁通密度..................24
3.2.5 馬達推力與推力常數...............28
3.2.6 馬達反電勢波形與反電動常數...........33
3.2.7 馬達常數....................35
3.3永磁線性同步馬達頓動力波形分析...........36
第四章 有限元素分析法.................40
4.1 有限元素分析法之基本概念..............40
4.2 材料特性......................44
4.3 網格密度的影響...................46
4.4 馬達原型有限元素模擬分析結果............48
第五章 降低永磁線性同步馬達頓動力之方法........55
5.1 改變動子槽型....................57
5.2 改變磁鐵尺寸....................64
5.3 改變動子長度....................66
5.4 改變磁鐵表面形狀..................70
5.5 最佳參數組合....................73
第六章 永磁線性同步馬達原型頓動力量測.........76
6.1 永磁線性同步馬達原型頓動力量測系統.........76
6.2 永磁線性同步馬達原型頓動力之量測與比較.......80
第七章 結論......................85
參考文獻........................87
符號說明........................93
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