博碩士論文 945301002 詳細資訊


姓名 王琨信(Kun-Hsin Wang)  查詢紙本館藏   畢業系所 電機工程學系在職專班
論文名稱 脈波寬度調變於非接觸式資料傳輸技術之研究
(Study on Pulse Width Modulation for Contact-less Data Transmission Technique)
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摘要(中) 本論文旨在建立脈波寬度調變(Pulse Width Modulation)信號,於非接觸式感應耦合傳輸通道特性的估計方法。首先從理論推導到出PWM信號的工作週期錯誤(Duty Cycle Error)與感應耦合傳輸通道的接收頻帶寬(Receiver Bandwidth)之關係,同時也推導到出非接觸式感應耦合傳輸系統之轉移函數(Transfer Function)。因不同接收頻帶寬可估計出PWM信號不同的工作週期錯誤(Duty Cycle Error),由工作週期錯誤估計出解析度(Resolution),進而利用解析度得到資料傳輸率(Data Rate)。文中除了完成相關理論之推導,並同時進行應用與電腦模擬,藉由MATLAB/Simulink來驗證本論文理論的正確性,由應用與模擬驗證的結果可知,本論文提出之估計方式具有可行性。
摘要(英) This thesis aims at setting up Pulse Width Modulation (PWM) signal for the characteristic calculation method of the communication channel in the coupling of contact-less induction. At first, derive to theory from the relationship of the PWM Duty Cycle Error and the communication channel receive bandwidth of the induction coupling structure. At the same time, derive to the transfer function of the contact-less induction coupling transmission system. Because different receives bandwidth can calculate different Duty Cycle Error of the PWM signal, and then calculation Resolution with Duty Cycle Error, utilize Resolution to get Data Rate. Except finish the deriving of relevant theories in the article, furthermore proceed the application and simulation with the computer, verification the exactitude of the theory of this thesis with MATLAB/Simulink. The result of simulation and application that can know the calculation method in which this thesis puts forward has feasibility.
關鍵字(中) ★ 感應耦合
★ 脈波寬度調變
★ 工作週期錯誤
關鍵字(英) ★ PWM
★ Duty Cycle Error
★ coupling
論文目次 摘要 i
Abstract ii
誌謝 iii
目 錄 iv
圖表目錄 viii
第一章 緒論 1
1-1 前言 1
1-2 研究動機與目的 2
1-3 論文架構 3
第二章 非接觸式傳輸基本架構 4
2-1 說明 4
2-1-1 非接觸式傳輸基本架構 5
2-1-2 非接觸式傳輸基本架構方塊 6
2-2 資料源編碼 7
2-2-1 脈波振幅調變(PAM) 8
2-2-2 脈波寬度調變(PWM) 8
2-2-3 脈波位置調變(PPM) 9
2-2-4 脈波編碼調變(PCM) 11
2-3 脈波調變頻域分析 13
2-3-1 脈波串傅立葉級數表示式 13
2-3-2 脈波調變頻域分析 14
2-4 資料調變 21
2-4-1 幅移鍵控調變ASK 21
2-4-2 頻移鍵控調FSK 22
2-4-3 相移鍵控調PSK 23
2-5 數位調變頻域分析 24
2-5-1 BASK傅立葉級數表示式 24
2-5-2 BFSK 傅立葉級數表示式 25
2-5-3 BPSK 傅立葉級數表示式 26
2-5-4 數位調變頻域圖示 27
2-6 諧振電路 32
2-6-1 諧振電路架構 32
2-6-2 諧振電路初級側分析 34
2-6-3 諧振電路次級側分析 37
第三章 非接觸式資料傳輸技術分析 41
3-1 資料源編碼技術選擇 41
3-2 資料調變技術選擇 42
3-2-1 電路的複雜程度 43
3-2-2 頻寬利用效率 45
3-2-3 抗雜訊能力 50
3-3 諧振電路架構選擇 51
3-4 PWM-PSK信號於非接觸式資料傳輸架構 52
3-4-1 PWM調變信號與感應耦合通道接收頻帶寬之關係 52
3-4-2 非接觸式感應耦合通道轉移函數 58
第四章 模擬與分析 63
4-1 說明 63
4-2 PWM信號工作週期錯誤與SNR 64
4-3 應用工作原理 66
4-3-1 頻帶寬估計 66
4-3-2 資料傳輸率與解析度估計 67
4-4 應用 69
4-4-1 元件值選擇及計算 69
4-4-2 應用 71
4-4-3 不同k值之應用 75
4-5 討論 81
4-5-1 不同k值之討論 81
4-5-2 接收頻寬與工作週期錯誤之討論 83
第五章 結論及建議 86
5-1 結論 86
5-2 建議 87
參考文獻 88
附錄一 91
附錄二 97
附錄三 99
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指導教授 薛木添(Muh-Tian Shiue) 審核日期 2011-6-20
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