臺灣博碩士論文加值系統

近年來，隨著家電產品功能多樣化的趨勢，業界發展出同時具備家用果汁機及蔬果料理機之多功能食物調理機，以符合整體空間、成本與調速性能之考量。目前市面上食物調理機大多採用感應馬達、串激馬達為動力源，但分別有許多缺點有待改善。其中，由於此兩類馬達在製造商低成本的考量下，並無驅動器之設計，因此馬達調速性能較差。而磁阻馬達能在不增加成本的情況下，搭配驅動IC電路，並加入控制機制以提昇馬達的調速性能。然而，在磁阻馬達相關文獻之中，極少探討於食物調理機之應用及規格，故本論文將針對此應用場合，擬定磁阻馬達規格及控制策略，並針對馬達本體、驅動器以及控制策略進行整合之設計。
本論文首先分析食物調理機之特性與各類磁阻馬達之優缺點，並以一三相磁阻馬達進行整體開發。此外，本論文針對磁阻馬達定轉子之幾何尺寸進行設計，並估測其電氣及機械參數，以作為控制器設計之依據。再者，依照食物調理機不同規格下之特性，提出各種功能之控制策略。最後，由於一般在磁阻馬達特性量測時，需要連續改變激磁角度，以獲得相對應之特性曲線，並決定最佳領先角，過程相當耗時。故本文提出一快速計算最小領先角度的方式，以界定激磁角度範圍，有助於減少馬達特性量測時所需的時間。

With the tendency to the products in domestic application, the multi-function food processors which contain the function of juicers and vegetable processors are developed in the recent years. Induction and universal motors are often used in food processors due to the low manufacturing cost. However, they have the difficulty in speed range control without drivers. In order to improve it, switched reluctance motors with drivers are applied because of the variable speed control at the same cost.
In this thesis, the specifications and control strategies are established for switched reluctance motors in food processors. A three-phase switched reluctance motor is geometrically designed to meet the specifications. Moreover, mechanical and electrical parameters of the switched reluctance motor are measured for the control strategy design. Finally, due to the time-consuming measurements of motor characteristics, this thesis proposes a method for fast calculation of the minimum advanced angle for switched reluctance motors to reduce the repeated measurements. Overall, this thesis provides a good reference for switched reluctance motors with the application in food processors.

中文摘要……………………………………………………I
英文摘要……………………………………………………III
致謝...………………………………………………………………V
目錄…………………………………………………………………VI
表目錄…………………………………………………………………IX
圖目錄…………………………………………………………………X
符號表…………………………………………………………………XIV
第一章 緒論………………………………………………………1
1.1 研究背景及動機………………………………………1
1.2 性能指標……………………………………………7
1.3 文獻回顧……………………………………………9
1.4 論文架構……………………………………………12
第二章 單相與雙相激磁之磁阻馬達比較…………………………14
2.1 馬達相數挑選…………………………………………16
2.2 單相激磁式SRM………………………………………………16
2.2.1 電感特性…………………………………………………16
2.2.2功率級架構………………………………………………20
2.3雙相激磁式馬達介紹……………………………………………22
2.3.1 雙極性………….…………………………………………23
2.3.2 單極性……………………………………………………26
2.4單相激磁與雙相激磁比較…….………………………………29
第三章 磁阻馬達設計準則及數學模型建立………………………33
3.1磁阻馬達設計準則……………………………………33
3.2數學模型建立…………………………………………36
3.2.1電氣方程式………………………………………………36
3.2.2機電耦合方程式……………………………………………37
3.3繞線匝數設計…………………………………………………40
3.4馬達參數估測…………………………………………………….41
3.4.1電阻………………………………………………………41
3.4.2電感…………………………………………………………41
3.4.3轉動慣量…………………………………………………42
3.4.4黏滯係數……………………………………………………43
3.5電感波形線性化…………………………………………………44
第四章 控制器設計及控制策略擬定………………………………46
4.1 SRM驅動方式…………………………………………………46
4.1.1 電壓脈衝驅動………………………………………………46
4.1.2 電流控制驅動………………………………………………48
4.2電流迴路…………………………………………………50
4.3 速度迴路………………………………………………………52
4.4 SRM領先角度設計………………………………………53
4.5 SRM調速方式介紹……………………………………………56
第五章 系統架構與實驗結果………………………………………59
5.1 實驗系統架構 ………………………………………………59
5.1.1微處理器……………………………………………………62
5.1.2功率模組…………………………………………………63
5.1.3位置感測器…………………………………………………63
5.2實驗一:領先角度設計驗證………………………………………65
5.3實驗二:定轉速運轉………………………………………………72
5.4實驗三:馬達堵轉保護…………………………………………77
5.5結論…………………………………………………………77
第六章 總結與未來研究建議………………………………………79
6.1 總結…………………………………………………………79
6.2 未來研究建議…………………………………………………79
參考文獻………………………………………………………………81
自述……………………………………………………………………85

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