臺灣博碩士論文加值系統

本文主要目的為探討無感測器直流無刷馬達控制技術，並提出一無感測器控制技術達到變頻器換相之效果。首先，介紹傳統無感測器直流無刷馬達控制技術的原理，並分析運用傳統方法所衍生的議題。其次，透過直流無刷馬達數學模型，分析馬達線電壓以及浮接相電壓過零點之關係，並據此分析結果發展出不需要霍爾元件的無感測器直流無刷馬達控制技術，且具有寬廣調速之優點。最後以PSIM模擬馬達在導通責任週期10％、40％、55％及90％的情況，並比較馬達換相訊號與Hall Sensor訊號比較，確認提出之技術可正確達到換相效果實驗部分則使用Altera場效可程式邏輯閘陣列5CEFA7F31I7N以驗證理論與模擬結果。

The main purpose of this thesis is to investigate the control technique of sensorless BLDC motor drives, and propose a sensorless control for commutation control. Firstly, the traditional sensorless BLDC motor control is introduced, and the problems arising from the traditional methods are analyzed. Secondly, through the mathematical model of brushless DC motor, the relationship of the zero-crossing points between the line voltage and the floating phase voltage is analyzed. The developed sensorless control technique for BLDC motor drives which has the advantages of wide speed range, is developed based on the relationship. Finally, the PSIM is need to simulate motor drives with duty of 10%, 40%, 55% and 90% comparison with the case with Hall Sensor are want to confirm the proposed technique. Experimental results derived from the field programmable logic array and used to confirm the developed theory and simulation results.

目 錄
中文摘要 i
ABSTRACT ii
致謝 iii
目錄 iv
表目錄 v
圖目錄 vi
符號彙編 viii
第一章 緒論 1
1.1研究動機與目的 1
1.2文獻探討 2
1.3論文架構 4
第二章 直流無刷馬達控制及數學模型 5
2.1直流無刷馬達驅動原理 5
2.2直流無刷馬達數學模型 6
2.3脈波寬度調變技術原理 9
第三章 直流無刷馬達驅動器之無感測器技術 12 3.1無感測器直流無刷馬達控制技術 12
3.2速度估測 19
3.3 偵測錯誤分析 23
3.4 PSIM模擬結果 20
第四章 實驗結果 31
4.1實驗系統 31
4.2實驗硬體規格 32
4.3軟體程式流程 35
4.4實驗結果 36
第五章 結論與未來工作方向 40
5.1結論 40
5.2未來工作方向 40
參考文獻 41
附錄 44

參考文獻
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