臺灣博碩士論文加值系統

本論文主要以數位訊號處理器DSP (Digital Signal Processor)進行感應電動機間接向量控制之滑差與無量測器速度之估測。內容以改良式的滑差頻率估測法為研究主軸；將以定子電壓及定子電流來求取滑差頻率並以此估測值為基礎來作轉速之估算。
實驗系統係以德國dSPACE公司生產之TMS320C31 DS1102 DSP整合型發展系統作為感應馬達控制介面，由變頻器驅動馬達並以霍爾檢測器及編碼、解碼器電路將電流及轉速迴授；在間接式向量控制架構下將傳統與改良之的滑差估測法之響應進行比較驗證。由實作的結果顯示後者所估測之滑差頻率值較精確且其轉速響應亦較佳；另以定子電壓及電流來作無量測器轉子轉速之估算，將一併在論文

This thesis primarily investigates DSP(Digital Signal Processor) based slip and sensorless speed estimation for indirect flux-oriented control of induction motor. Issues will focus on an improving method which estimates slip frequency by stator voltage and current. Besides, the frequency will use to rotor speed estimation.
The TMS320C31 DS1102 DSP single chip development interface system produced by dSPACE company is applied to induction motor control. PWM inverter is used to drive induction motor, current and rotor speed feedback system is Hall sensor and encoder. Under indirect vector control structure, we will compare responses between classical and improving slip estimation methods. The results show the latter method can obtain more accurate slip frequency, and the speed responses are also better . Besides, sensorless speed estimation by using stator voltages and currents will be discussed in the thesis.

目 錄
誌 謝…………………………………………………………………ii
中文摘要…………………………………………………………………iii
英文摘要…………………………………………………………………iv
目 錄………………………………………………………………… v
符號索引…………………………………………………………………vii
圖 錄………………………………………………………………ix
表 錄…………………………………………………………………xii
1.緒論……………………………………………………………………1
1.1.研究動機……………………………………………………………1
1.2.研究方法……………………………………………………………2
1.3.內容大綱……………………………………………………………2
2.感應馬達向量控制理論………………………………………………4
2.1.簡介…………………………………………………………………4
2.2.感應馬達的動態數學模型………………………………………4
2.3.磁場導向控制理論………………………………………………10
2.3.1.直接向量控制…………………………………………………11
2.3.2.間接向量控制…………………………………………………12
2.4.感應馬達之轉子磁通模型………………………………………13
2.4.1.由轉子轉速及定子電流組成之轉子磁通模型……………13
2.4.2.由轉子轉速、定子電壓及定子電流組成之轉子磁通模型…15
3.滑差與轉速估測理論…………………………………………………17
3.1.簡介………………………………………………………………17
3.2.滑差估測法則……………………………………………………18
3.2.1.傳統滑差估測法………………………………………………18
3.2.2.使用定子電壓、定子電流之滑差估測法……………………20
3.3.轉速估測法則……………………………………………………22
3.3.1.由轉子角度估測轉速之方法…………………………………22
3.3.2.由定子電壓、電流估測轉速之方法與模擬結果…..………22
4.dSPACE DS1102 DSP整合型發展系統……………………………36
4.1.簡介……………………………………….………………………36
4.2. DS1102 Controller Board…………………………………………36
4.2.1.DS1102整體架構………………………………...……………36
4.2.2.TMS320C31 DSP………………………………………………38
4.2.3.AD與DA子系統………………………...…………………39
4.2.4.增量型編碼系統(Incremental encoder subsystem) …………40
4.3. 即時追蹤模組及參數線上調整面板…………………………42
5. DSP-based感應馬達實體測試………………………………………45
5.1.實驗系統…………………………………………………………45
5.2.軟硬體整合………………………………………………………48
5.3.馬達規格及參數…………………………………………….……49
5.4.轉速與滑差頻率響應之實體測試……..………………………50
5.5.分析與討論……………………………………………………50
6. 結論與未來發展方向…………………………………………………57
參考文獻…………………………………………………………………58
自傳………………………………………………………………………61

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