臺灣博碩士論文加值系統

本文利用高頻訊號注入法於低轉速，實現表面黏著式永磁同步馬達之無感測驅動系統。注入之高頻訊號會造成電動機 軸的阻抗不同，藉由擷取馬達內部固有的凸極性來獲得轉子位置和轉速訊號，調變部分則採用空間向量調變控制的輸出方式，改善傳統選擇電壓向量表無法輸出平順弦波電壓的問題，進而改善馬達運轉時之轉矩漣波等問題，最後利用MATLAB/Simulink以及實驗來驗證其可行性。
本文以dsPIC33FJ128MC708為整個系統的主要核心，並與智慧型功率模組為基礎實現全數位化之無感測永磁同步馬達驅動器，能有效的簡化電路，降低整體驅動系統的開發成本。

The objectiveof this thesis is the implementation of sensorless of driverSureface-Mounted Permanent-Magnet Synchronous Motor(SMPMSM) based on thehigh-frequency signal injection. In SMPMSMS, dueto the flux of the permanent magnet, the stator core around theq-axis winding is saturated. This makes the magnetic saliency inthe motor.This magnetic saliency has the information about therotor position. The high-frequency voltage signal is injected intothe motor in order to detect the magnetic saliency and estimatethe rotor position.Traditional six-voltage-vector is difficult to produce a sinusoidal voltage to PMSM. This thesis usesSpace Vector Pulse Width Modulation (SVPWM) to overcome the problem.Finally,experimental and simulation results confirmed the feasibility of the sensorless controller.
This thesis used a full-digital drive based on intelligent power module and digital signal processor.This drive not only efficiently simplifies the circuit, but also reduces the cost of the system.

摘要 ........................................................................................................................ I
英文摘要 .............................................................................................................. II
誌謝 ...................................................................................................................... II
目錄 ..................................................................................................................... IV
圖目錄 ................................................................................................................. VI
表目錄 ................................................................................................................. IX
符號表 .................................................................................................................. X
第一章 緒論 ......................................................................................................... 1
1.1 前言 ......................................................................................................... 1
1.2 研究動機與目的 .................................................................................... 1
1.3 內容大綱 ................................................................................................. 2
第二章 永磁同步馬達介紹 ................................................................................. 4
2.1 前言. ........................................................................................................ 4
2.2 永磁同步馬達結構特性及運轉原理 ..................................................... 4
2.3 空間向量調變控制 ................................................................................. 6
2.4 永磁同步馬達之數學模式 ................................................................... 13
第三章 永磁同步馬達之無感測驅動器系統設計與規劃 ............................... 23
3.1 前言 ....................................................................................................... 23
3.2 驅動器系統介紹 ................................................................................... 24
3.2.1 電源供應電路 ............................................................................ 26
3.2.2 電源輸入濾波電路 .................................................................... 27
3.2.3 編碼器回授電路 ........................................................................ 28
3.2.4 電流回授電路 ............................................................................ 30
3.2.5 數位訊號微控制器 .................................................................... 32
3.2.6 同步馬達驅動器電路 ................................................................ 33
3.3 軟體設計流程 ....................................................................................... 36
3.3.1 tan-1 建表 .................................................................................... 38
3.3.2 數位濾波器 ................................................................................ 39
第四章 高頻訊號注入法 ................................................................................... 41
4.1 前言 ....................................................................................................... 41
4.2 轉速估測方法 ....................................................................................... 42
4.3 高頻訊號注入法的動作原理與理論推導 ........................................... 44
4.4 高頻訊號頻率與振幅大小的選擇分析 ............................................... 51
第五章 模擬與實驗結果 ................................................................................... 57
5.1 前言 ....................................................................................................... 57
5.2 高頻訊號注入法之模擬結果 ............................................................... 57
5.3 高頻訊號注入法之實驗結果 ............................................................... 66
第六章 結論與展望 ........................................................................................... 75
參考文獻 ............................................................................................................. 76
附錄A ................................................................................................................. 80
作者簡歷 ............................................................................................................. 81

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