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系統識別號 U0002-1407200914292500
中文論文名稱 切換式直流至直流模糊控制電源轉換器之設計與實現
英文論文名稱 Design and Implementation of Fuzzy Controlled Switching DC-DC Converters
校院名稱 淡江大學
系所名稱(中) 電機工程學系碩士班
系所名稱(英) Department of Electrical Engineering
學年度 97
學期 2
出版年 98
研究生中文姓名 宋嘉榮
研究生英文姓名 Chia-Jung Sung
學號 696460020
學位類別 碩士
語文別 中文
口試日期 2009-06-22
論文頁數 99頁
口試委員 指導教授-周永山
委員-翁慶昌
委員-胡國英
委員-練光祐
中文關鍵字 綠色能源  直流至直流電源轉換器  模糊控制  KY電源轉換器 
英文關鍵字 Green energy  DC-DC converter  Fuzzy control  KY converter 
學科別分類 學科別應用科學電機及電子
中文摘要 本篇論文主要針對兩種不同架構及用途的直流至直流電源轉換器來設計其模糊控制器。面臨地球化石能源的日益枯竭以及環保意識的抬頭,綠色能源是目前重要的部分替代方案之一。然而綠色能源係不穩定且輸出功率較小的能源,因此需透過電源轉換系統來穩定其輸出,以供使用。所以本文分別針對大功率的降壓型與升壓型電源轉換器兩種架構,提出其模糊控制器之設計並實現,達到穩定的輸出電壓與效率之提升。其中,在降壓型電源轉換器部分,採取多相並聯技術來使轉換器輸出較大的功率,運用多相模糊控制來調控各相之輸出電壓和電流,以達到穩定輸出電壓及各相一致的輸出電流,防止各相系統元件因電流過大而受損。另一方面,在升壓型電源轉換器中,採用二階KY電源轉換器架構改善傳統升壓型電路的缺點,設計模糊控制器,使其可達到穩定輸出並符合原先訂定的規格。整體上,本論文藉由模糊理論來設計控制器,並以模擬及實作來驗證此設計的可行性。
英文摘要 The main purpose of this thesis is concerned with the design of fuzzy controllers for two different kinds of DC-DC converters. Facing that the fossil fuels are exhausting on the earth and the rising agreement on environmental protection, the green energy source is considered as a part of substitution because it is environmentally-friendly and has less ecological impact than many conventional energy sources. However, the green energy is unstable and low power energy, a DC-DC converter is required to stabilize its output for further use. Therefore, this thesis deals with the design and implementation of fuzzy controllers for buck converters in parallel and boost converters. Concerning the former, a multi-phase interleaved technology is adopted so as to provide higher power output. A fuzzy controller is designed to adjust the output voltage and output current of each phase in order to obtain a stable output voltage and output currents of equal amount, which in turn prevents the circuit elements from damaging by large electric current. On the other hand, we propose a fuzzy controller design for a novel boost converter name as 2nd-order KY converter. The output voltage is stabilized and the prescribed performance specifications are satisfied. In general, the effectiveness of the proposed fuzzy controllers is verified by means of numerical simulation and experiments.
論文目次 目錄
中文摘要............................................................................................................I
英文摘要..........................................................................................................II
目錄.................................................................................................................III
圖目錄.............................................................................................................VI
表目錄.............................................................................................................XI
第一章 緒論................................................................................................-1-
1.1 研究動機與目的.............................................................................-1-
1.2 論文架構.........................................................................................-3-
第二章 電源轉換器之介紹........................................................................-4-
2.1 降壓型電源轉換器介紹.................................................................-4-
2.1.1 傳統型降壓電源轉換器........................................................-4-
2.1.2 大功率降壓電源轉換器........................................................-9-
2.2 升壓型電源轉換器介紹...............................................................-15-
2.2.1 傳統型升壓電源轉換器......................................................-15-
2.2.2 KY電源轉換器推導............................................................-18-
2.2.3 二階KY電源轉換器推導...................................................-22-
第三章 模糊邏輯控制之介紹..................................................................-30-
3.1 模糊系統基本架構.......................................................................-30-
3.2 模糊系統晶片之設計...................................................................-34-
第四章 大功率降壓電源轉換器之設計..................................................-40-
4.1 前言...............................................................................................-40-
4.2 系統規格.......................................................................................-40-
4.3 系統架構.......................................................................................-41-
4.4 模糊控制器之設計.......................................................................-44-
4.4.1 穩壓模糊控制......................................................................-44-
4.4.2 穩壓和均流兼具的模糊控制..............................................-45-
4.4.3 提昇效率的模糊控制..........................................................-48-
4.5 電路模擬結果...............................................................................-51-
4.6 硬體實作結果...............................................................................-67-
4.6.1 使用均流控制之穩態波形量測..........................................-67-
4.6.2 使用均流控制之暫態波形量測..........................................-71-
第五章 二階KY電源轉換器之設計........................................................-74-
5.1 前言...............................................................................................-74-
5.2 系統規格.......................................................................................-74-
5.3 系統架構.......................................................................................-75-
5.4 模糊控制器之設計.......................................................................-77-
5.5 電路模擬結果...............................................................................-80-
5.6 硬體實作結果...............................................................................-84-
5.6.1 1-plus-2D電源轉換器硬體實測.........................................-84-
5.6.2 2-plus-D電源轉換器硬體實測...........................................-89-
第六章 結論與未來研究方向..................................................................-93-
6.1 結論...............................................................................................-93-
6.2 未來研究方向...............................................................................-94-
參考文獻......................................................................................................-95-
圖目錄
圖2.1 降壓型電壓轉換器在連續導通模式下操作.....................................-6-
圖2.2 多模組並聯.......................................................................................-10-
圖2.3 多相交錯並聯...................................................................................-11-
圖2.4 均流技術分類...................................................................................-12-
圖2.5 平均電流法均流匯流排示意圖.......................................................-13-
圖2.6 自動主僕法均流匯流排示意圖.......................................................-14-
圖2.7 升壓型電壓轉換器在連續導通模式下操作...................................-16-
圖2.8 KY電源轉換器................................................................................-19-
圖2.9 KY電壓轉換器在連續導通模式下操作........................................-20-
圖2.10 二階KY電源轉換器.....................................................................-23-
圖2.11 1-plus-2D電源轉換器.....................................................................-24-
圖2.12 2-plus-D電源轉換器.......................................................................-27-
圖3.1 模糊系統基本架構...........................................................................-30-
圖3.2 七個模糊集合之歸屬函數...............................................................-35-
圖3.3 模糊系統晶片內部架構圖...............................................................-36-
圖3.4 FSC接腳圖........................................................................................-37-
圖3.5 FSC波形模擬圖................................................................................-39-
圖3.6 MATLAB中FUZZY TOOLBOX之數值運算................................-39-
圖4.1 模糊控制型四相並聯電源系統架構圖...........................................-43-
圖4.2 穩壓和均流兼具的模糊控制器(第k相模糊控制器) ....................-45-
圖4.3 Ve之歸屬函數....................................................................................-46-
圖4.4 ike之歸屬函數 ...............................................................-46-
圖4.5 Fk之模糊單點值 ...........................................................-46-
圖4.6 提昇效率之Fk模糊單點值 ..........................................-49-
圖4.7 模糊控制器的架構圖.......................................................................-49-
圖4.8 模糊控制型四相並聯電源系統之架構圖.......................................-50-
圖4.9 理想均流...........................................................................................-53-
圖4.10 理想均流暫態.................................................................................-54-
圖4.11 理想均流穩態.................................................................................-54-
圖4.12 無均流控制(電流誤差5%)............................................................-55-
圖4.13 無均流控制暫態(電流誤差5%)....................................................-56-
圖4.14 無均流控制穩態(電流誤差5%)....................................................-56-
圖4.15 無均流控制(穩定電壓5V誤差0.2%)...........................................-57-
圖4.16 受均流控制(電流誤差0.026%).....................................................-58-
圖4.17 受均流控制暫態(電流誤差0.026%).............................................-58-
圖4.18 受均流控制穩態(電流誤差0.026%).............................................-59-
圖4.19 受均流控制(穩定電壓5V誤差0.2%)..........................................-59-
圖4.20 無均流控制(電流誤差27%)..........................................................-60-
圖4.21 無均流控制穩態(電流誤差27%)..................................................-61-
圖4.22 受均流控制(電流誤差1.35%).......................................................-61-
圖4.23 受均流控制穩態(電流誤差1.35%)...............................................-62-
圖4.24 負載變動無均流(電流誤差18%)..................................................-63-
圖4.25 負載變動均流(電流誤差0.73%)...................................................-63-
圖4.26 負載變動穩壓(穩定電壓5V誤差0.2%)......................................-64-
圖4.27 均流前提下,效率為81.22%........................................................-65-
圖4.28 近似均流前提下(電流誤差4%),效率為81.25%.......................-65-
圖4.29 近似均流前提下(電流誤差8%),效率為81.31%.......................-66-
圖4.30 近似均流前提下(電流誤差10%),效率為81.46%.....................-66-
圖4.31 半載平均電流輸出波形(3.75A /相) .............................................-68-
圖4.32 重載平均電流輸出波形(7.5A /相) ...............................................-68-
圖4.33 系統輸出電壓.................................................................................-69-
圖4.34 系統輸出電壓之漣波.....................................................................-69-
圖4.35 系統於滿載之啟動輸出電壓.........................................................-71-
圖4.36 系統於滿載之啟動四相電流.........................................................-72-
圖4.37 負載變動半載(15A)至滿載(30A) .............................................-73-
圖4.38 負載變動滿載(30A)至半載(15A) .............................................-73-
圖5.1 二階KY電源轉換器完整架構圖...................................................-76-
圖5.2 模糊控制器架構...............................................................................-77-
圖5.3 前件部E之歸屬函數.......................................................................-78-
圖5.4 前件部DE之歸屬函數....................................................................-78-
圖5.5 後件部U之歸屬函數......................................................................-78-
圖5.6 二階KY電源轉換器之Simulink架構圖(1-plus-2D) ...................-81-
圖5.7 1-plus-2D電源轉換器於0.002s負載由100% => 0%....................-82-
圖5.8 1-plus-2D電源轉換器於0.003s負載由0% => 100%....................-83-
圖5.9 2-plus-D電源轉換器於0.002s負載由100% => 0%......................-83-
圖5.10 2-plus-D電源轉換器於0.003s負載由0% => 100%....................-84-
圖5.11 1-plus-2D系統於無載之穩態輸出電壓.........................................-85-
圖5.12 1-plus-2D系統於半載之穩態輸出電壓.........................................-86-
圖5.13 1-plus-2D系統於滿載之穩態輸出電壓.........................................-86-
圖5.14 1-plus-2D系統輸出電壓23V..........................................................-87-
圖5.15 1-plus-2D系統於負載變動響應無載(0A)切換至滿載(2A) .........-88-
圖5.16 1-plus-2D系統於負載變動響應滿載(2A)切換至無載(0A) .........-88-
圖5.17 2-plus-D系統於無載之穩態輸出電壓...........................................-89-
圖 5.18 2-plus-D系統於半載之穩態輸出電壓...........................................-90-
圖 5.19 2-plus-D系統於滿載之穩態輸出電壓...........................................-90-
圖 5.20 2-plus-D系統輸出電壓28V...........................................................-91-
圖 5.21 2-plus-D系統於負載變動響應無載(0A)切換至滿載(2A) ..........-92-
圖 5.22 2-plus-D系統於負載變動響應滿載(2A)切換至無載(0A) ..........-92-
表目錄
表2.1 均流匯流排型式優缺點比較...........................................................-15-
表3.1 FSC接腳功能描述............................................................................-38-
表4.1 系統規格...........................................................................................-41-
表4.2 穩壓控制模糊規則庫.......................................................................-44-
表4.3 穩壓兼均流系統規則庫...................................................................-48-
表4.4 系統於不同負載下各相輸出電流之均流誤差率...........................-70-
表5.1 系統規格...........................................................................................-74-
表5.2 二階KY電源轉換器之模糊規則庫...............................................-80-
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