臺灣博碩士論文加值系統

本論文提出一種適用於三相四開關同步磁阻電動機驅動系統之新型預測電流控制。開發適用於三相四開關變頻供電型同步磁阻電動機驅動系統的新型開關切換法則，並加以討論這種方案的可行性與正確性，以提升驅動系統的電流控制能力。進而期望能滿足業界對低成本驅動系統搭載高效能電流控制的需求。三相四開關驅動系統相較於六開關驅動系統能有效減少硬體和軟體開發的成本。在三相四開關同步磁阻電動機驅動系統中，能選擇的開關切換策略有限，一般而言採用磁滯電流控制，其缺點會使變頻器產出較大的電流漣波，為了有效提升其電流追蹤的性能，開發適用於低成本驅動系統的新型開關切換策略是迫切需要的。因此，所提方法是基於定子電流測量和電流變化量，以預測未來的定子電流。最後，使用德州儀器公司所生產的TMS320F2809數位訊號處理器作為控制核心，以執行所提預測電流控制和磁滯電流控制的演算法。實驗結果可作為日後開發新型開關切換策略的參考依據。`

This thesis presents a novel predictive current control for four-switch three-phase inverter-fed synchronous reluctance motor drive systems. We not only develop a new strategy for four-switch three-phase inverter-fed synchronous reluctance motor drive systems, but also discuss the feasibility and correctness of this method so as to improve the ability of the current control of the motor drive system. Furthermore, we expect to meet the industrial requirements of low-cost drive system equipped with high-performance current control. Compared to the six-switch drive system, the four-switch three-phase drive system can effectively reduce the development costs in both hardware and software. For a four-switch three-phase synchronous reluctance motor drive system, its switch strategies that we can choose are few. Generally speaking, the drawback of hysteresis current control is that it has large ripples in the output currents of the inverter. In order to improve the current-tracking performance, the development of the new switching strategy for low-cost drive system is urgently needed. As a result, the proposed method is based on the stator current measurement and the current variation so as to predict the future stator current. A digital signal processor, TMS320F2809, made by Texas Instruments Company, is used to execute the algorithms of the proposed predictive current control and hysteresis current control. Experimental results can be used as a reference for developing a new switching strategy of a four-switch three-phase drive system in the future.

摘要 Ⅰ
Abstract Ⅱ
目次 Ⅲ
圖目次 Ⅴ
表目次 Ⅷ
符號索引 Ⅸ
第一章 緒論 1
1.1研究背景與動機 1
1.2文獻回顧 3
1.3目的與貢獻 5
1.4論文大綱 6
第二章 同步磁阻電動機 7
2.1簡介 7
2.2結構及特性 8
2.3數學模式 9
第三章 新型預測電流控制器 18
3.1簡介 18
3.2基本原理 19
3.3新型預測電流控制器設計 21
第四章 被動式適應性滑動模式速度控制器設計 27
4.1簡介 27
4.2回授被動化 28
4.3適應性回授被動化 29
4.4控制器設計 32
第五章 系統研製 37
5.1簡介 37
5.2硬體電路製作 40
5.2.1變頻器電路 40
5.2.2電流偵測電路 42
5.2.3電流/電壓轉換電路 44
5.2.4類比/數位轉換電路 45
5.2.5數位訊號處理器 46
5.3軟體程式設計 50
第六章 實測結果 54
6.1簡介 54
6.2實測結果 55
第七章 結論與未來展望 96
7.1結論 96
7.2未來展望 96
參考文獻 97

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