臺灣博碩士論文加值系統

本文提出無刷直流馬達(BLDC)偵測反電動勢的架構，發展結合類比與數位控制的無感測控制技術。控制核心採用Microchip公司所生產之單晶片PIC16F877，作為無感測控制IC，並且整合無感測控制技術及馬達驅動功率模組設計之關鍵技術。在馬達靜止時偵測轉子之初始位置，依啟動程序使馬達以較低的開環速度運轉，隨後加速到某一特定的轉速值；當反電動勢大小足以提供無感測演算法正確的估測轉子位置時，即切換至無感測驅動模式，不需要額外的位置感測器，可降低成本。實驗結果驗證所提出方法之可行性。

In this paper, a brushless DC (BLDC) motor is studied. We propose the detecting phase back-EMF sensorless controller architecture. This architecture combines analog hybrid digital-control and a control technology without sensor on brushless DC motor. Design of BLDC motor control of sensorless IC, brushless DC motor control is implemented by using Microchip Company PIC16F877 single-chip. In this study, we integrate key technologies including sensorless control technology, motor control chip design and motor drive power modules. The stationary position of rotor is first detected, and then the motor is accelerated until the back electromotive force is large enough. After this accelerating, the position of motor is estimated correctly in sensorless mode. In this method, no position sensors are required. Therefore the cost is reduced. Experimental results verify the feasibility of the proposed methods.

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．．．．．．．．．．．．．．．．．．．．．．．．．x
表目錄．．．．．．．．．．．．．．．．．．．．．．．．xiv
符號索引．．．．．．．．．．．．．．．．．．．．．．．．xv

第一章　緒論 ．．．．．．．．．．．．．．．．．．．．．．1
1.1 前言．．．．．．．．．．．．．．．．．．．．1
1.2 研究動機與目的．．．．．．．．．．．．．．．2
1.3 文獻回顧．．．．．．．．．．．．．．．．．．3
1.4 研究的步驟．．．．．．．．．．．．．．．．．7
1.5系統架構．．．．．．．．．．．．．．．．．．8
1.6 內容大綱．．．．．．．．．．．．．．．．．．9
1.7 本文特點與貢獻．．．．．．．．．．．．．．．10
第二章　無刷直流馬達控制原理．．．．．．．．．．．．．11
2.1無刷直流馬達基本介紹．．．．．．．．．．．．11
2.2無刷直流馬達數學模型．．．．．．．．．．．．11
2.3馬達驅動方式．．．．．．．．．．．．．．．．14
2.4六步方波控制驅動方式．．．．．．．．．．．．15
2.5霍爾元件換相原理．．．．．．．．．．．．．．24
第三章　無感測控制策略．．．．．．．．．．．．．．．．．28
3.1量測馬達反電動勢．．．．．．．．．．．．．．28
3.2反電動勢估測法．．．．．．．．．．．．．．．31
3.3無感控制啟動策略．．．．．．．．．．．．．．32
3.4靜止起動邏輯．．．．．．．．．．．．．．．．34
第四章　無感測速度控制系統．．．．．．．．．．．．．．．37
4.1 無感測換相原理分析．．．．．．．．．．．．．37
4.2 電壓脈波寬度調變．．．．．．．．．．．．．．38
4.3 轉速控制．．．．．．．．．．．．．．．．．．42
第五章　實驗結果與討論．．．．．．．．．．．．．．．．．44
5.1 MPLAB IDE整合式開發環境．．．．．．．．．．44
5.2 PIC16F877控制核心介紹．．．．．．．．．．．45
5.3 硬體建構與整合．．．．．．．．．．．．．．．49
5.3.1驅動電路．．．．．．．．．．．．．．．51
5.3.2無感測器電路．．．．．．．．．．．．．．54
5.4 程式流程．．．．．．．．．．．．．．．．．．55
5.5 裝感測器之驅動實驗結果分析．．．．．．．．．66
5.6 無感測驅動器實驗結果分析．．．．．．．．．．71
第六章　結論與未來展望．．．．．．．．．．．．．．．．．75
6.1 結論．．．．．．．．．．．．．．．．．．．．75
6.2 未來展望．．．．．．．．．．．．．．．．．．75
參考文獻．．．．．．．．．．．．．．．．．．．．．．．．77
附錄A．．．．．．．．．．．．．．．．．．．．．．．．．85
附錄B．．．．．．．．．．．．．．．．．．．．．．．．．98
附錄C．．．．．．．．．．．．．．．．．．．．．．．．．103

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