臺灣博碩士論文加值系統

本文旨在研製矩陣轉換器驅動交流電動機控速系統。文中首先說明永磁同步電動機和感應電動機的結構、特性及數學模式，其次提出新型的矩陣轉換器切換策略，以期減小矩陣轉換器切換時所產生的電流漣波，進而改善以矩陣轉換器驅動電動機之低速下的性能。最後，以一個16位元數位信號處理器TMS320LF2407A和一個高複雜度可程式化邏輯元件XC95288XL達成所有的電流及速度控制，使得硬體電路大為簡化，完成了全數位化控制系統。相關的分析並以實測加以驗證，實測結果說明本文所提出的相關法則確實可行，且具有良好的暫態、加載性能及寬廣控速範圍。

This thesis proposes the design and implementation of AC motor speed control systems driven by a matrix converter. First, the structure, characteristics and mathematical model of the permanent magnet synchronous motor and induction motor are discussed. In order to reduce the current ripple generated by the matrix converter, a novel switching strategy has been proposed. As a result, the performance of the drive system at low speed has been improved. All the control loops, including current loop and speed loop are implemented by a 16-bit TMS320LF2407A digital signal processor and a complex programmable logic device XC95288XL. Thus, the hardware circuit is very simple. A fully digital control system is achieved. The theoretical analysis can be validated by experimental results, which show that the proposed method is feasible and the drive system has good transient and load disturbance responses, and a wide adjustable speed range.

中文摘要 I
英文摘要 II
目錄 III
圖目錄 VI
表目錄 X
符號說明 XI
第一章 緒論 1
1.1 動機 1
1.2 文獻回顧 4
1.3 研究目的 6
1.4 大綱 8
第二章 永磁同步電動機 9
2.1 簡介 9
2.2 結構及特性 9
2.3 數學模式 11
2.4 控制方法 13
第三章 感應電動機 16
3.1 簡介 16
3.2 結構及特性 16
3.3 數學模式 18
3.4 控制方法 20
第四章 矩陣轉換器 22
4.1 簡介 22
4.2 電路架構 24
4.2.1 主電路 24
4.2.2 換相電路 25
4.3 切換原理 29
4.3.1 直接轉換型 32
4.3.2 間接轉換型 35
第五章 新型切換策略 39
5.1 簡介 39
5.2 電流調制之新型切換策略 39
5.3 輸入電壓選擇方法 46
第六章 系統設計及製作 49
6.1 簡介 49
6.2 硬體電路設計 50
6.2.1 主電路 50
6.2.2 驅動級電路 53
6.2.3 緩衝級電路 55
6.2.4 電源電路 55
6.2.5 感測電路 57
6.2.6 數位信號處理器 59
6.2.7 高複雜度可程式化邏輯元件 60
6.3 軟體程式設計 62
6.3.1 主程式 63
6.3.2 中斷服務程式 64
6.3.3 CPLD程式設計 65
6.4 停電復歸對策 66
6.4.1 硬體結構 66
6.4.2 實現流程 67
第七章 實測結果 68
7.1 簡介 68
7.2 實測結果 70
7.2.1 電流調制實測波形 70
7.2.2 永磁同步電動機驅動系統實測 85
7.2.3 感應電動機驅動系統實測 97
7.2.4 停電復歸相關實測 109
7.2.5 實際硬體照片 112
第八章 結論與建議 116
參考文獻 117
作者簡介 124

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