臺灣博碩士論文加值系統

本論文旨在開發設計一套具錯位容忍之同軸無線電能傳輸系統，適用於軌道運輸載具供電，此研究主要基於大眾運輸系統中，地鐵與捷運之軌道載具之運行皆採用第三接觸軌之集電靴電能傳輸裝置，其中供電穩定度及維護安全向為重要考量。因此，本文提出一套二對一同軸線圈感應架構，輔以兩組高頻換流器同時調整功率輸出，可穩定接收端線圈偏移時產生之耦合變化，兼以具有無線電能傳輸時之錯位容忍能力。本論文首先探討不同補償電路之諧振特性，據以決定符合系統需求之電路架構，同時分析感應線圈間之磁場分布，設計規劃一套具備偏移方位偵測與傳輸功率調變功能之控制策略，有效調整各組傳輸模組功率，並可改善接收端偏移時之傳輸效能。而為驗證本方法之可行性，本論文已建置一套同軸無線電能傳輸硬體平台進行電能傳輸實測，測試結果顯示本系統於負載變動情況下，均能維持穩定電能輸出，而且具有理想傳輸效率，可作為無線充電與軌道載具研發參考。

This thesis aims to develop a coaxial wireless power transfer system with misalignment tolerance capability for rail-guided vehicle charging applications. This study is motivated because the third rail of mass rapid transit (MRT) and subway is often connected to surface-current collector for the receiving of power source, where the power supply stability and safety becomes the major concern. Therefore, this thesis proposes a two-to-one coaxial coil induction architecture aided by two high-frequency inverters in order to ensure that the coupling variation is evenly maintained so as to embed the capability of misalignment tolerance. This thesis starts with the investigation of resonant characteristics under different compensation topologies, by which the suitable circuit configuration is determined. This is followed by the analysis of magnetic field distribution between induction coils, and a control strategy for the power adjustement based on the misalignment detection is meanwhile proposed. This control strategy excels at the power adjustment of each transmission module such that the power transmission efficiency can be improved. To confirm the effectiveness of this proposed method, the thesis completes a hardware platform with different function test. Experimental results indicate that the system maintains a stable power output under load variations with stasfactory transmission efficiency. The achievements gained from this thesis are anticipated useful for research and development of wireless charging and rail transportation studies.

中文摘要 I
英文摘要 II
誌謝 V
目錄 VI
圖目錄 IX
表目錄 XIV
符號目錄 XV
第一章 緒論 1
1-1 研究背景及文獻探討 1
1-2 研究目的及方法 2
1-3 內容大綱 4
第二章 無線電能傳輸電路分析 6
2-1 前言 6
2-2 諧振補償架構電路分析 7
2-2-1 非接觸感應線圈等效電路模型分析 8
2-2-2 SS諧振電路架構分析 9
2-2-3 LCC諧振電路架構分析 15
2-3換流器架構與整流濾波電路分析 20
2-3-1 全橋式換流器 20
2-3-2 全橋開關相移調變控制 20
2-3-3 全橋式換流器與諧振電路之動作分析 23
2-4 整流濾波電路分析 29
第三章 系統軟硬體設計與規劃 30
3-1 前言 30
3-2 感應線圈磁場分析 31
3-3 無線電能傳輸系統主電路架構 39
3-3-1 全橋式換流器 39
3-3-2 系統諧振電路參數設計 40
3-3-3 整流暨濾波電路設計 49
3-4 控制核心及開關驅動電路設計 50
3-4-1 微控制器簡介 50
3-4-2 功率開關驅動電路 51
3-5 控制策略與回授電路設計 54
3-5-1 線圈偏移之變化 54
3-5-2 同軸無線傳輸系統控制策略 57
第四章 系統實驗結果 63
4-1前言 63
4-2 功率開關全橋相移調變測試 64
4-3 全橋換流器輸出測試 65
4-4 功率開關零電壓切換功能測試 67
4-5 諧振電路之測試波形 69
4-5-1 傳輸端諧振電路測試 69
4-5-2 接收端諧振電路測試 75
4-5-3 諧振電路輸出特性測試 77
4-6輸出測試 80
4-7 錯位偵測與控制策略測試 85
第五章 結論與未來研究方向 98
5-1 結論 98
5-2 未來研究方向 99
參考文獻 100

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