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博碩士論文 etd-0628106-215434 詳細資訊
Title page for etd-0628106-215434
論文名稱
Title
數位信號處理器為基礎之切換式磁阻電動機驅動系統研製
Development of Digital Signal Processor Based Drive System for Switched Reluctance Motor
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
110
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2006-06-13
繳交日期
Date of Submission
2006-06-28
關鍵字
Keywords
切換式磁阻電動機、數位信號處理器、電動機驅動系統
Switched Reluctance Motor, Motor drive system, Digital Signal Processor
統計
Statistics
本論文已被瀏覽 5686 次,被下載 3416
The thesis/dissertation has been browsed 5686 times, has been downloaded 3416 times.
中文摘要
切換式磁阻電動機具有低成本、高效率、高穩定性、控速範圍廣及啟動轉矩大之優點,然而由於其結構上為雙凸極型式,造成非線性電感之特性,使得輸出轉矩於控制上具有高度非線性。
本文使用德州儀器所製造的數位信號處理器TMS320F240作為控制晶片,其具有完整的週邊介面能力,內建之PWM模組能依據使用者所設定的相關暫存器,自動產生PWM信號,可大量簡化硬體電路的設計。本文建構完整的驅動系統,採用比例積分控制之速度及電流閉迴路控制架構,其控制策略皆以軟體程式規劃完成,依其控制理論完成實體製作,於模擬與實測結果中驗證理論之分析,可使得電動機的輸出轉矩能更平順、速度響應更快速。
Abstract
The switched reluctance motor has the advantages of the low production cost, high operating efficiency, high stability, and high start torque. It can deliver a wide speed range, and therefore make it very attractive to the engineers and researchers. The double salient structure of SRM result in a non-linear stator inductance, so the output reluctance torque has a highly non-linear behavior.
A digital signal processor based drive system for SRM is developed and implemented in this thesis using the TI TMS320F240 DSP system which is with universal peripheral interface circuits. The built-in pulse width modulation(PWM) module of the DSP system can auto-generate PWM output signal by setting the relative registers to simplify the hardware design. This research built a complete drive system for SRM, both the closed-loop velocity controller and current compensator were designed according to the proportional-integral(PI) control mechanism, and all schemes were coded in the DSP program. Simulation and experiment results demonstrate that the proposed drive system makes reluctance torque output very smoothly with a preferable velocity response.
目次 Table of Contents
摘要.Ⅰ
Abstract.Ⅱ
目錄.Ⅲ
圖目錄.Ⅵ
表目錄.Ⅹ
第一章 緒論.1
1.1 研究背景及動機.1
1.2 文獻回顧.2
1.3 論文內容概述.4
第二章 切換式磁阻電動機之模型與控制原理.5
2.1 切換式磁阻電動機之結構.5
2.2 切換式磁阻電動機之動作原理.11
2.2.1 轉矩產生.11
2.2.2 轉動原理.12
2.3 切換式磁阻電動機之數學模式.13
2.3.1 電壓方程式.13
2.3.2 轉矩方程式.16
2.3.3 機械方程式.20
2.4 切換式磁阻電動機之控制原理.20
2.5 切換式磁阻電動機功率換流器之介紹.21
第三章 切換式磁阻電動機驅動系統.27
3.1 直流電源供應電路.28
3.2 驅動級電路.31
3.3 功率換流器電路.32
3.4 電流回授電路.36
3.5 轉子位置檢測電路.38
3.6 控制介面電路.41
第四章 數位控制軟體規劃.43
4.1 發展系統介紹.43
4.2 TMS320F240簡介.44
4.3 TMS320F240架構介紹.45
4.3.1 中央處理器.46
4.3.2 記憶體結構.47
4.3.3 事件管理者模組.49
4.4 系統軟體規劃.53
4.4.1 主程式架構.54
4.4.2 速度控制器.57
4.4.3 電流控制器.58
4.4.4 實際轉速估測.59
4.4.5 換相判斷機制.60
第五章 模擬與實驗結果.62
5.1 模擬系統建構.62
5.2 模擬結果.64
5.3 實驗系統硬體架構介紹.70
5.4 開迴路信號測試.71
5.4.1 脈波寬度調變信號測試.71
5.4.2 轉子位置檢測信號測試.74
5.5 閉迴路控制實測.78
5.6 多段式速度響應實測.86
第六章 結論與未來研究方向.90
6.1 結論.90
6.2 未來研究方向.90
參考文獻.92
附錄.96
參考文獻 References
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