臺灣博碩士論文加值系統

本文探討薄膜小直流鏈電容變頻器驅動永磁同步電動機系統。首先，研究兩種不同的控制方法，d-q軸電流控制法與正轉矩區間控制法，實現小直流鏈電容變頻器的驅動系統，以便有效提高輸入電源的功率因數。此外，所提的兩種方法可以延伸控速範圍。最後，利用阻尼補償控制來降低輸入電源側電流的諧波量。
為了改善電動機加載性能，本文使用預測型轉速控制器及預測型電流控制器應用於所研製的驅動系統中。實測結果說明預測型控制器具有較比例積分控制器更為優越的性能。
本文中使用數位信號處理器TMS320F2808作為控制核心，達成相關的控制法則，實驗結果驗證本文所提方法的正確性及可行性。

The thesis investigates a small film DC-Link capacitor based inverter driving a permanent magnet synchronous motor. Two control methods, including a d-q current control method and a positive torque region control method, are proposed to realize the small film DC-link capacitor based inverter drive system. The input source power factor is effectively increased. In addition, the adjustable speed range is extended. Finally, a damping compensation control is used to reduce the input current harmonics.
A predictive speed controller and a predictive current controller are used to improve transient responses and load responses. Experimental results show the predictive controllers provide better performance than the PI controllers.
A digital signal processor, TMS320F2808, is used as the control center to execute the relative control algorithms. Experimental results validate the correctness and feasibility of the proposed methods.

摘要 I
Abstract II
目錄 III
圖目錄 VI
表目錄 XI
符號索引 XII
第一章 緒論 1
1.1動機 1
1.2文獻回顧 2
1.3目的 6
1.4大綱 7
第二章 內藏式永磁同步電動機 8
2.1簡介 8
2.2結構及特性 8
2.3數學模型 12
第三章 驅動系統介紹 21
3.1簡介 21
3.2永磁同步電動機驅動系統 23
3.3變頻器的基本原理 24
3.4空間向量脈波寬度調變 28
第四章 薄膜型小直流鏈電容變頻器的驅動方法 32
4.1簡介 32
4.2基本原理 33
4.3 d-q軸電流控制法 38
4.4正轉矩區間控制法 40
4.5阻尼補償控制 45
第五章 控制器設計 53
5.1簡介 53
5.2基本原理 55
5.3預測型速度控制器 58
5.4預測型電流控制器 68
第六章 系統研製 79
6.1簡介 79
6.2硬體電路 81
6.2.1變頻器電路 81
6.2.2閘極驅動電路 82
6.2.3電源電路 82
6.2.4電流偵測電路 83
6.2.5電壓偵測電路 84
6.2.6橋式整流電路 85
6.2.7編碼器電路 86
6.2.8數位訊號處理器 86
6.3軟體程式設計 87
6.3.1主程式 88
6.3.2中斷服務程式 89
第七章 實測結果 91
7.1簡介 91
7.2實測 92
第八章 結論及未來研究方向 128
參考文獻 129

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