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研究生:陳漢軒
研究生(外文):Han-Syuan Chen
論文名稱:永磁無刷馬達之多驅動控制研究
論文名稱(外文):Research on A Multi-Driven Brushless Permanent Magnet Motor
指導教授:吳尚德
指導教授(外文):Shang-Teh Wu
學位類別:碩士
校院名稱:國立雲林科技大學
系所名稱:機械工程系碩士班
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2013
畢業學年度:101
語文別:中文
論文頁數:56
中文關鍵詞:永磁無刷馬達多驅動器脈衝寬度調變扭力轉速曲線馬達效率
外文關鍵詞:BLDC motorsmotor efficiencymulti-drivingT-N curvespulse width modulation
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本論文以實作方式探討多驅動器永磁無刷馬達特性。多驅動器並聯繞組設計是將市售四極三相馬達改裝,原本只有一組匝數350線圈分割成三組匝數不等線圈,分別為200匝、100匝、50匝線圈。再使用三組獨立之驅動器控制此三組線圈。藉由一顆單晶片使用脈衝寬度調變改變馬達特性,來獲得更大的扭力輸出以及轉速範圍。

研究中利用馬達驅動晶片製作多驅動控制器,並使用磁粉煞車器做為負載來源,搭配扭力計量測扭力與轉速關係曲線圖,以探討多驅動馬達各檔位劃分,並與一般馬達比較扭力與轉速範圍。

文中研究多驅動馬達與一般馬達之效率。使用超級電容作為定量電源,實測與分析馬達在不同扭力與轉速下之效率。
This thesis investigates the characteristics of a blushless permanent magnet motor with a novel multi-driving circuit. An experimental prototype is built by rewinding the stator of a commercial motor. Each of the three-phase winding is cut into 3 overlapping sections having 200, 100, and 50 turns of coil, respectively. By using three independent drivers with different combination of duty cycles, the motor can be switched to several different characteristics. The reachable range of speed and torque is significantly widened with this design.

An integrated circuit which contains three MOSFET half bridges is used to drive the motor. For the multi-driven motor, three pieces of the driver IC’s are needed. T-N curves of the motor with various combinations of duty cycles are constructed. Efficiency of the multi-driven motor is measured by use of pre-charged super capacitors as the power source. It is found that optimal efficiency can be obtained by setting the ratio of duty cycles for the three drivers to be 4:2:1. Comparisons are also made with a conventional motor.
目 錄
摘要 i
Abstract ii
誌謝 iii
目 錄 iv
表目錄 v
圖目錄 vi
一、 緒論 1
1.1研究動機與目的 1
1.2文獻回顧 2
1.3研究內容與方法 3
1.4論文大綱 4
二、 無刷馬達結構與多驅動器控制 5
2.1馬達結構與驅動控制 5
2.2多驅動器PWM獨立控制之方法與實現 9
三、 馬達性能量測 11
3.1量測儀器與實驗平台 11
3.2超級電容 14
3.3馬達效率量測方法 16
3.4多驅動馬達之最佳Duty cycle比例 17
3.5馬達扭力與轉速關係量測 20
3.6多驅動馬達檔位劃分 23
四、 馬達效率量測分析 24
4.1多驅動馬達之效率量測 25
4.2一般馬達之效率量測 27
4.3多驅動馬達與一般馬達之效率比較 29
4.4多驅動馬達線圈匝數比例之消耗時間探討 31
五、 結論與未來展望 33
5.1結論 33
5.2未來研究 35
參考文獻 36
附錄A 馬達驅動晶片說明 38
附錄B 超級電容之電容值量測 41
附錄C 馬達固定不同負載之消耗時間 42
附錄D 馬達驅動晶片散熱設計 44
附錄E 線圈繞組之感應電動勢量測實驗 46
自傳 49
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