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研究生:謝尚廷
研究生(外文):Shang-Ting Hsieh
論文名稱:內藏式永磁同步電機之無差拍直接轉矩控制研究
論文名稱(外文):Research of Deadbeat-Direct Torque Control for Interior Permanent Magnet Synchronous Machines
指導教授:劉志文劉志文引用關係
指導教授(外文):Chih-Wen Liu
口試委員:黃世杰楊俊哲
口試委員(外文):Shi-Jie HuangJun-Zhe Yang
口試日期:2023-07-11
學位類別:碩士
校院名稱:國立臺灣大學
系所名稱:電機工程學系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2023
畢業學年度:111
語文別:中文
論文頁數:70
中文關鍵詞:內藏式永磁同步電機(IPMSM)無差拍直接轉矩控制(DB-DTC)基於空間向量調變技術之直接轉矩控制(SVM-based DTC)定子磁通估測每安培最大轉矩(MTPA)
外文關鍵詞:Interior Permanent Magnet Synchronous Motor (IPMSM)Deadbeat-Direct Torque Control (DB-DTC)Space Vector Modulation-based Direct Torque Control (SVM-based DTC)Stator Flux EstimationMaximum Torque Per Ampere (MTPA)
DOI:10.6342/NTU202302758
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本論文將無差拍控制與基於空間向量調變技術之直接轉矩控制做結合並應用於內藏式永磁同步電機。無差拍直接轉矩控制(Deadbeat-Direct Torque Control, DB-DTC)能夠快速實現轉矩的追蹤和響應,而基於空間向量調變技術能夠改善傳統切換表技術之直接轉矩控制所產生之轉矩和速度漣波,提高了系統的穩定性和性能。由於無差拍控制器容易受參數誤差影響的問題,因此本論文利用結合電流模型與電壓模型之定子磁通及轉矩觀測器進行補償。此外,加入了每安培最大轉矩控制(Maximum Torque Per Ampere, MTPA)對磁通命令作最佳化,可有效減少轉矩漣波,進一步優化內藏式永磁同步電機的控制性能。最後,使用MATLAB/Simulink軟體來建構內藏式永磁同步電機模型與控制策略進行模擬及驗證。
This thesis combines deadbeat control and SVM-based direct torque control and applies them to interior permanent magnet synchronous motors (IPMSM). The Deadbeat-direct torque control (DB-DTC) enables rapid tracking and response of torque, while the implementation of space vector modulation (SVM) techniques significantly reduces the torque and speed ripples generated by conventional direct torque control, thereby enhancing system stability and performance. As the deadbeat controller is vulnerable to parameter inaccuracies, this research uses a hybrid stator flux linkage and torque observer that combines the current model and voltage model for error compensation. Moreover, the inclusion of maximum torque per ampere (MTPA) control optimizes the flux command, effectively reducing torque ripples and further improving the control performance of IPMSM. Finally, the IPMSM model and control strategies are constructed, simulated, and verified using the MATLAB/Simulink software platform.
口試委員會審定書 i
致謝 ii
摘要 iii
ABSTRACT iv
目錄 v
圖目錄 viii
表目錄 xi
第一章 緒論 1
1.1 研究背景與動機 1
1.2 文獻回顧 2
1.3 研究貢獻 3
1.4 章節摘要 4
第二章 永磁同步電機理論與基礎 6
2.1 前言 6
2.2 座標軸轉換系統 6
2.2.1三相座標軸系統與靜止座標軸系統 7
2.2.2同步與靜止座標軸系統 9
2.3 永磁同步電機簡介 10
2.3.1表貼式與內藏式永磁同步電機特性 11
2.4 永磁同步電機之數學模型 11
2.4.1三相座標軸之數學模型 11
2.4.2同步座標軸之數學模型 13
2.5 空間向量脈寬調變 15
2.6 直接轉矩控制理論 20
2.6.1傳統的直接轉矩控制系統 20
2.6.2基於空間向量調變技術的直接轉矩控制系統 21
第三章 無差拍直接轉矩控制策略 26
3.1 前言 26
3.2 無差拍直接轉矩控制 27
3.2.1傳統的無差拍直接轉矩控制系統 27
3.2.2基於定子磁通化簡的無差拍直接轉矩控制系統 30
3.3 混合型定子磁通及轉矩觀測器 32
3.4 每安培最大轉矩控制演算法 33
3.4.1直接轉矩控制系統下的每安培最大轉矩演算法 35
第四章 控制策略模擬與結果 38
4.1 前言 38
4.2 模擬平台與架構 39
4.3 模擬實驗結果 43
4.3.1傳統與基於空間向量調變技術的直接轉矩控制系統 43
4.3.2 無差拍直接轉矩控制系統 45
4.3.3 參數偏移敏感度模擬結果 55
4.3.4直接轉矩控制系統下的每安培最大轉矩模擬 60
第五章 結論與未來展望 63
5.1 結論 63
5.2 未來研究方向 64
參考文獻 65
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