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研究生:林欽祥
研究生(外文):Lin Chin Hsiang
論文名稱:三相感應電動機向量控制法與直接轉矩控制法結合無轉速量測器控制系統之比較
論文名稱(外文):A Comparison of Field-Oriented and Direct Torque Control Methods for Induction Motors with a Speed-Sensorless Module
指導教授:蘇武昌
學位類別:碩士
校院名稱:國立中興大學
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:2004
畢業學年度:92
語文別:中文
論文頁數:90
中文關鍵詞:三相感應電動機場導向控制法直接轉矩控制法
外文關鍵詞:induction motorfield-oriented controldirect torque control
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感應電動機是工業界中提供機械動力的主要來源,因為它具備了成本低、堅固耐用及維修保養容易等特性。磁場導向控制法及直接轉矩控制法是現今交流伺服控制器常用的兩種控制法,近年來為了降低裝置速度感測器的成本及提高系統的可靠度,相關文獻均致力於無感測器伺服系統的研究。
本論文利用Matlab/Simulink模擬磁場導向控制法及直接轉矩控制法的動態特性、馬達參數變動的影響及控制架構原理分析,並利用感應電動機動態dq軸模型推導估測轉子轉速的方程式,並比較磁場導向控制法及直接轉矩控制法結合轉速估測器時馬達轉速、電磁轉矩、定子電流及馬達磁通的響應。

Induction motors are the most common sources of mechanical power in industry. These machines are very economical, rugged, and low maintenance. The field-oriented control (FOC) and direct torque control (DTC) are the two most common control schemes for modern ac machine drives . Recently big efforts have been made to eliminate the machine shaft sensor and thus to reduce the cost of the drive and increase the reliability.
This paper presents the comparisons of control strategies, dynamic performance, effects of the parameter variation, speed estimation techniques and infer rotor speed by the dynamic dq equivalent circuits of induction motor. Furthermore, it discuss both schemes combine the speed estimator .The study is done by simulation using the Matlab/Simulink .

目 錄
中文摘要...................................................i
英文摘要..................................................ii
致謝.....................................................iii
目錄......................................................iv
圖表目錄.................................................vii
符號說明...................................................x
第一章 緒論................................................1
1.1 前言...............................................1
1.2 研究動機...........................................1
1.3 本文大綱...........................................2
第二章 感應電動機數學模型.................................4
2.1 前言...............................................4
2.2 空間向量(space vector)的定義.................... 5
2.3 感應電動機數學模型.................................8
第三章 磁場導向控制法.....................................10
3.1 前言..............................................10
3.2 磁場導向控制法的類別..............................11
3.3 磁場導向控制控制法的原理.........................13
3.4 磁場導向控制法之架構.............................16
3.5 比例-積分速度控制器設計..........................18
3.6 電流控制型脈波寬度調變原理.......................21
3.7 電壓空間向量調變.................................22
3.8 間接轉子磁場導向控制系統Matlab/Simulink系統模組
建立.............................................23
第四章 直接轉矩控制法.....................................30
4.1 前言.............................................30
4.2 DTC的原理及控制架構..............................30
4.3 DTC控制方塊圖演算法..............................33
4.4 電壓空間向量調變.................................34
4.5 定子磁通空間區間判讀法...........................36
4.6 定子磁通及電磁轉矩磁滯控制器原理.................38
4.7 直接轉矩控制電壓向量切換表.......................40
第五章 感應電動機轉速估測.................................43
5.1前言..............................................43
5.2轉速估測技術探討..................................43
5.3由感應電動機兩軸等效電路圖推導轉子轉速............45
第六章 電腦模擬與比較.....................................49
6.1前言..............................................49
6.2 FOC與DTC之比較...................................49
6.2.1基本控制特性之比較..........................49
6.2.2 FOC及DTC動態特性比較.......................51
6.2.3參數變動靈敏度比較..........................56
6.2.4實現系統複雜度比較..........................62
6.3 FOC與DTC結合速度估測器控制效能比較.............. 62
第七章 結論與建議........................................ 70
7.1結論............................................. 70
7.2建議............................................. 72
參考文獻................................................. 73

參考文獻
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[2] Bose , B . K, Modern Power Electronics and AC Drives,Prentice Hall,New Jersey,
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Matlab/Simulink,Prentic Hall,1997.
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