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研究生:吳書瑋
研究生(外文):Shu-Wei Wu
論文名稱:具模糊滑動模式控制器之無感測器感應馬達V/f控制系統設計
論文名稱(外文):Design of a Fuzzy Sliding-Mode Controller for Sensorless V/f Controlled Induction Motor
指導教授:蘇仲清
學位類別:碩士
校院名稱:清雲科技大學
系所名稱:電機工程所
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:2011
畢業學年度:99
語文別:中文
論文頁數:75
中文關鍵詞:模糊控制滑動模式控制V/f控制無感測器
外文關鍵詞:fuzzy controlsliding-mode controlV/f controlsensorless
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本文提出一具有模糊滑動模式控制器的無感測器V/f控制演算法以控制感應馬達的轉速。首先,根據頻率命令及定子回授電流,可推導出馬達在各種頻率命令下所需之定子電壓。其次,為降低傳統開迴路定V/f控制系統的穩態誤差,本文應用估測理論估測出馬達轉速並加以回授以實現感應馬達的無感測器閉迴路V/f控制。另外,本文也設計一模糊滑動模式控制器以降低系統對馬達參數變動及外部擾動的靈敏性。
為驗證所提方法之效能,首先,利用MATLAB/Simulink 軟體去模擬驗證本文所提方法的可行性,接著以德州儀器公司所生產的TMS320LF2407A eZdsp數位訊號處理器為運算核心,來實現整體的馬達控制系統。由模擬和實驗結果證明不管在無載或加載情況下,其結果顯示出本文所提方法在穩態響應與動態特性上均有良好之性能表現。


This thesis proposes a sensorless V/f control algorithm which includes a fuzzy sling-mode controller for the speed control of induction motor. The stator voltage under various frequency command of the motor is derived based on applied frequency and stator currents of the motor. To reduce the steady-state error of the motor, state estimation theorem is used to estimate the rotor speed for the implementation of sensorless V/f control. Furthermore, a fuzzy sliding-mode controller is designed to enhance the insensitivity to motor parameter changes and external perturbations.
To verify the effectiveness of the proposed method, A simulation verification work is done by MATLAB/Simulink software. Then, a digital signal processor(eZdsp TMS320- LF2407A) based experimental system is developed testing the performances of the drive system. From the simulation and experimental results show that good steady and transient response, both in no-load and loading conditions, are obtained by the proposed method.


中文摘要i
英文摘要ii
誌謝iii
目錄iv
表目錄vii
圖目錄viii
符號說明xi
第一章 緒論1
1.1 研究動機與背景1
1.2 研究目的2
1.3 文獻回顧3
1.4 論文架構4
第二章 感應馬達數學模型與變頻器調變原理6
2.1 簡介6
2.2 座標轉換7
2.2.1 as-bs-cs與d-q座標轉換7
2.2.2 二維座標轉換11
2.3 感應馬達數學模型12
2.4 變頻器14
2.4.1三相方波變頻器14
2.4.2正弦脈寬調變15
2.4.3電壓空間向量脈寬調變17
第三章 無感測感應馬達之定V/f控制22
3.1 簡介22
3.2 定V/f控制方法22
3.3 定子電壓補償24
3.4 轉速估測27
3.4.1轉子磁通估測法27
3.4.2定子磁通估測法29
第四章 模糊滑動模式控制器之設計30
4.1 簡介30
4.2 模糊控制器31
4.2.1 模糊化31
4.2.2 模糊規則庫33
4.2.3模糊推論引擎33
4.2.4 解模糊化34
4.3 滑動模式控制35
4.3.1 順滑模態設計36
4.3.2 積分型滑動模式控制37
第五章 電腦模擬40
第六章 硬體製作與實驗結果46
6.1 簡介46
6.2 TMS320LF2407A介紹46
6.2.1 CPU介紹49
6.2.2 通用I/O埠介紹49
6.2.3 事件管理者介紹49
6.2.4 三相PWM控制原理52
6.2.5 數位/類比轉換(AD/DA)53
6.3 硬體製作54
6.3.1 過電流保護電路58
6.3.2 電流回授訊號電路58
6.3.3 功率晶體驅動電路59
6.4撰寫程式流程60
6.5實驗結62
第七章 結論與未來展望70
7.1結論70
7.2未來工作70
參考文獻71
附錄74
簡歷75


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