磁滯剎車研究與分析｜國立清華大學博碩士論文庫

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研究生：	楊錦峰 Jing-Fong Yang
論文名稱：	磁滯剎車研究與分析 A Study on the Hysteresis Brake
指導教授：	宋震國博士 Dr. Cheng-Kuo Sung
口試委員:
學位類別：	碩士 Master
系所名稱：	工學院 - 動力機械工程學系 Department of Power Mechanical Engineering
論文出版年：	2000
畢業學年度：	88
語文別：	中文
論文頁數：	89
中文關鍵詞：	磁滯剎車、定力矩、張力控制
外文關鍵詞：	Hysteresis brake, constant torque, torque control
相關次數：	點閱：1 下載：0
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本研究試著將磁滯模型理論應用於實際的成品設計上，目的在於設計一磁滯剎車器，利用其定力矩及寬廣的操作轉速特性，以應用於多種需要定力矩的場合，如紡織綿線定張力的設定、線切割鋼線張力的控制，又由於磁滯剎車並無磁粉及接觸摩耗情形，故可使用於高清淨度的場合，如食品及藥品包裝。本論文將先介紹磁滯剎車之背景及應用情形，接著提出磁滯剎車器之設計流程。文中主要是以Ansoft/Maxwell 套裝軟體分析磁滯剎車的磁場分佈，接著利用Jiles及Atherton (JA)磁滯模型模擬磁滯材料的磁滯曲線，進而計算制動力矩。利用此一流程可以分析各型磁滯剎車器的制動性能，及研究各操作狀態下磁滯狀況及制動力矩的變化，進一步可設計出最佳磁滯剎車之結構外型，最後建立實驗設備及磁滯剎車器，以驗證本論文理論及電腦模擬的的正確性。研究結果顯示本論文理論與實驗值之趨勢相同，分析之各項參數與實驗值亦相當接近。除外，本研究亦發展一改良設計之永磁式磁滯剎車器，希望能更容易被應用於半導體製程設備等，需要高真空與高潔淨度的環境。

This research employs the hysteresis model in the design of a hysteresis brake. Hysteresis brakes possess the advantages of constant brake torque and broad operating speed range, therefore, they can be applied to the applications of constant torque requirement. The FEM software Ansoft/Maxwell is utilized to analyze the magnetic field distribution of the hysteresis brake. The Jiles and Atherton (JA) hysteresis model is adopted to model the hysteresis loops of magnetic materials. The brake torque is then calculated from the results of field analysis and JA model. Experimental equipment is established to verify the correctness of the proposed analysis method and numerical simulation. Furthermore, a creative design of permanent-magnet hysteresis brake is developed, which can be applied to high vacuum and clean environments.

摘    要.......................................................I
Abstract......................................................II

誌    謝.....................................................III

目    錄......................................................IV

圖 目 錄.....................................................VII

表 目 錄.......................................................X

第一章 緒論....................................................1

1.1  研究背景..................................................1

1-2  文獻回顧..................................................6

1-3  研究主題..................................................8

第二章 基本理論分析...........................................10

2.1  磁滯原理介紹.............................................10

2.2  磁滯剎車之磁路分析.......................................11

2.2.1  旋轉型磁滯剎車之磁路分析...............................12

2.2.2  線型磁滯剎車之磁路分析.................................15

2.3  磁滯模型(Magnetic hysteresis model)......................17

2.4  磁滯制動力數學模式.......................................26

2.4.1  旋轉型磁滯剎車.........................................26

2.4.2  線型磁滯剎車...........................................28

2.5  輸入電流與磁滯制動力之關係式.............................30

第三章 磁滯剎車之設計原理.....................................32

3.1  設計原則.................................................32

3.1.1  磁滯環材料之選用.......................................32

3.1.2  磁路設計...............................................34

3.1.3  結構設計...............................................35

3.1.4  電磁式及永磁式磁滯剎車比較.............................35

3.2  設計流程.................................................38

第四章 磁滯剎車電腦模擬分析...................................41

4.1 單極對電磁式磁滯剎車模擬分析..............................41

4.1.1  等效磁路的模擬.........................................41

4.1.2  JA磁滯模型模擬磁滯曲線.................................43

4.1.3  輸入電流與制動力模擬...................................45

4.2 多極對電磁式磁滯剎車模擬分析..............................46

4.2.1  有限元素軟體Ansoft/Maxwell模擬磁場.....................46

4.2.2  JA磁滯模型模擬磁滯曲線.................................51

4.2.3  齒數、電流與制動力模擬.................................52

4.3 多極對永磁式磁滯剎車模擬分析..............................54

4.3.1  有限元素軟體Ansoft/Maxwell 模擬磁場....................55

4.3.2  JA磁滯模型模擬磁滯曲線.................................59

4.3.3  磁鐵長度、齒數與制動力矩分析...........................60

4.4 結論......................................................61

第五章  實驗系統與結果討論....................................64

5.1  實驗設備.................................................64

5.1.1  實驗系統零組件.........................................67

5.1.2  實驗量測及資料處理：...................................68

5-2  實驗流程與方法...........................................69

5-3    實驗結果...............................................71

5.3.1 單極對磁滯剎車電流與制動力矩關係........................71

5.3.2 多極對磁滯剎車..........................................71

5-4    結果討論...............................................74

第六章 結論...................................................76

參考文獻......................................................78

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