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研究生:陳建甫
研究生(外文):Jian-Fu Chen
論文名稱:具有線上參數調整之混合型預測電流模式控制功率因數修正器的研製
論文名稱(外文):Design and Implementation of Hybrid Predictive Current-Mode Controlled PFC with On-Line Parameter Tuning
指導教授:陳文輝陳文輝引用關係賴炎生
指導教授(外文):Wen-Hui ChenYen-Shin Lai
口試委員:何恭旻歐勝源賴炎生潘晴財
口試日期:2016-07-16
學位類別:碩士
校院名稱:國立臺北科技大學
系所名稱:自動化科技研究所
學門:工程學門
學類:機械工程學類
論文種類:學術論文
畢業學年度:104
語文別:中文
中文關鍵詞:功率因數修正器線上參數調整混合型預測電流模式控制數位控制
外文關鍵詞:Power Factor CorrectorOn-Line Parameter TuningHybrid Predictive Current-Mode ControlDigital Control
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本文提出一種具有線上參數調整之混合型預測電流模式控制功率因數修正器,以解決混合型預測電流模式控制功率因數修正器因其製造公差、負載電流、磁場強度及溫度等因素,造成電感器電感值的變異所引起的預測責任週期誤差與模式切換點錯誤等問題。本文將分析轉換器的電感變異造成的預測責任週期誤差以及導通模式控制切換點錯誤等問題;利用取樣電流與回授電壓,線上即時計算電感值,並據此修正預測之責任週期。
所研製的功率因數修正器的規格包含輸出功率760 W、輸入電壓100 V/60Hz、輸出電壓380 VDC、切換頻率65 kHz。以數位訊號控制器TMS320F28335為控制核心所得到的實驗結果證明本文提出具有線上參數調整之混合型預測電流模式控制的功率因數修正器,確實可以解決因為電感值變異所引起的預測責任週期誤差與模式切換點錯誤等問題,並且在輕載及中載條件下,提升混合型預測電流模式控制功率因數修正器的功率因數。
The objective of this thesis is to present a new hybrid predictive current-mode control for power factor corrector with on-line parameter tuning. The proposed method can effectively solve the problems caused by inductance variation due to manufacturing tolerances, load current, magnetic intensity and temperature etc. for the power factor corrector with hybrid predictive current-mode control. The inductance variation may result in the predicted duty error and mode switching error. Analysis of predicted duty error and mode switching error contributed by the inductance variation for hybrid predictive current-mode control will be presented. The mode switching error and duty error will deteriorate the power rating and reduce the efficiency. An on-line inductance tuning method for the power factor corrector with hybrid predictive current-mode control will be proposed in this thesis. And this tuned parameter is used to correct the predicted duty error.
The specifications of the converter include: input voltage 100 V/60 Hz, output voltage 380 VDC, output power 760 W, switching frequency 65 kHz. The control software is developed and verified using a microprocessor, TMS320F28335. Details of the controller design, simulation and experimental results are presented to fully support the theoretical analysis and it will be followed by the proposed on-line inductance tuning method for the power factor corrector with hybrid predictive current-mode control. The corrected parameter derived by on-line tuning method is used to correct the predicted duty error and improve the power factor among light load condition.
摘 要 i
ABSTRACT ii
誌 謝 iv
目 錄 v
圖目錄 vii
表目錄 ix
第一章 緒論 1
1.1 研究動機與背景 1
1.2 研究目的 5
1.3 論文綱要 6
第二章 功率因數修正器原理與簡介 7
2.1 功率因數定義 7
2.2 功率因數修正器 11
2.2.1 功率因數修正器之架構與動作原理 11
2.2.2 功率因數修正器之數學模型 16
第三章 混合型預測電流模式控制與線上參數調整 22
3.1 功率因數修正器控制模式 22
3.2 混合型預測電流模式控制法 24
3.2.1 連續電流導通模式 25
3.2.2 不連續電流導通模式 27
3.2.3 混合導通模式切換 29
3.3 責任週期與模式切換之錯誤分析 31
3.4 線上參數調整之設計 33
第四章 程式設計 35
4.1 數位訊號處理器架構 35
4.2 系統之數位控制架構 37
4.3 峰值電流取樣之設計 40
4.4 程式設計流程圖 44
第五章 模擬與實驗結果 45
5.1 系統模擬 45
5.2 系統規格 51
5.3 實驗波形 52
第六章 結論與未來展望 58
6.1 結論 58
6.2 未來研究建議與展望 58
參考文獻 59
附錄 62
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