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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 盧信嘉(Hsin-Chia Lu) | |
dc.contributor.author | Ling-Zhu Lu | en |
dc.contributor.author | 盧伶筑 | zh_TW |
dc.date.accessioned | 2022-11-25T07:30:54Z | - |
dc.date.available | 2023-09-14 | |
dc.date.copyright | 2021-11-06 | |
dc.date.issued | 2021 | |
dc.date.submitted | 2021-09-15 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/82430 | - |
dc.description.abstract | 本論文研究利用於無線供電之特高頻(UHF)頻帶的無線功率傳輸系統,為了激發標籤或無線感應器的電子電路,需維持接收到足夠的功率大小,因此,本論文主要研究為無線傳輸系統中的功率傳輸部分。為了解決單一發射架構收發端會因位移錯位和旋轉錯位造成接收功率不穩定之影響,應用調變和設計的發射架構來實現接收端之平均功率不受旋轉角度影響,並且使其在受到位置錯位的狀況下還能保有一定的平均功率大小。 本論文首先提出二維正交發射架構及更符合實際應用之三維正交發射架構,並採用分時切換調變來達到穩定的能量分佈,即利用開關切換來控制一段時間下只允許一個發射天線導通。後續再提出應用於薄型空間的雙線性極化發射架構來提升具高度的接收點之功率穩定度與簡化架設。根據弗里斯傳輸方程式來預估以上架構整體的平均接收功率穩定度與服務範圍。以接收天線於不同旋轉角度與位置的標準差比較可發現,二維旋轉架構中對稱的發射源擺設相對於非對稱發射源擺設接收功率穩定度能夠改善將近80 %,而三維架構中雙線性極化發射架構之接收穩定度能改善三發射源非對稱架構高達82 %。 實際量測方面可分為三個主要系統,分為前端、中端與後端。前端控制開關來實現分時切換發射之系統。中端由四單元所組成之系統,功能為(1)紅外線偵測啟動量測,由(2)功率偵測器接收天線功率,並由Arduino內部將類比訊號轉換成數位形式的輸出電壓值,和(3)九軸感測模組量測接收天線之旋轉角度,最後由(4)SD卡模組存取與無線收發器模組發送數值。後端則藉無線收發器模組接收數值,並應用調變技術遠端對數據做處理與結果分析,其理論分析與量測結果大致吻合。 | zh_TW |
dc.description.provenance | Made available in DSpace on 2022-11-25T07:30:54Z (GMT). No. of bitstreams: 1 U0001-1409202113222200.pdf: 18346680 bytes, checksum: c704d9957f439de04cf9cff5271781a7 (MD5) Previous issue date: 2021 | en |
dc.description.tableofcontents | 中文摘要 i ABSTRACT ii 目錄 iii 圖目錄 v 表目錄 ix Chapter 1 緒論 1 1.1 研究背景 1 1.2 研究動機與應用情境 3 1.3 文獻回顧 5 1.4 文章貢獻 8 1.5 章節介紹 9 Chapter 2 無線功率系統簡介 11 2.1 收發器系統介紹 11 2.2 收發天線單元 12 2.2.1 半波長偶極天線理論[13] 12 2.2.2 半波長偶極天線模擬 15 2.2.3 貼片天線理論[14] 17 2.2.4 貼片天線模擬與設計 20 2.3 傳輸功率估計 24 2.4 傳輸技術介紹 28 Chapter 3 分時切換之無線功率傳輸系統 30 3.1 二維正交發射旋轉特性分析 30 3.2 二維旋轉特性結果比較 39 3.3 三維正交發射旋轉特性分析 42 3.4 雙線性極化發射於薄型空間特性分析 51 3.5 三維旋轉特性結果比較 56 Chapter 4 量測結果 61 4.1 Arduino量測系統 61 4.2 無線功率傳輸量測 76 4.2.1 量測儀器與環境介紹 76 4.2.2 單一發射量測 84 4.2.3 基於分時切換之二維正交旋轉傳輸量測 84 4.2.4 基於分時切換之三維正交旋轉傳輸量測 86 4.2.5 基於分時切換之雙線性極化模組旋轉傳輸量測 89 4.3 量測結果討論與比較 91 Chapter 5 結論與未來展望 93 參考文獻 96 | |
dc.language.iso | zh-TW | |
dc.title | 應用分時切換技術於正交二維/三維及雙極化薄形空間實現位置變化及旋轉下穩定接收之無線功率傳輸系統 | zh_TW |
dc.title | Time Switching in Orthogonal 2D/3D and Dual-Polarized Thin Space to Achieve Stable Power Reception for Wireless Power Transmission System under Location Variation and Rotation | en |
dc.date.schoolyear | 109-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 邱建文(Hsin-Tsai Liu),陳晏笙(Chih-Yang Tseng),曾昭雄,毛紹綱 | |
dc.subject.keyword | 特高頻頻帶,無線功率傳輸,分時切換調變,正交發射傳輸架構,雙線性極化架構,薄型空間,射頻能量採集系統, | zh_TW |
dc.subject.keyword | ultra high frequency,wireless power transmission,time switching modulation,orthogonal transmission architecture,dual-polarized transmission architecture,thin space,RF energy harvesting system, | en |
dc.relation.page | 97 | |
dc.identifier.doi | 10.6342/NTU202103164 | |
dc.rights.note | 同意授權(全球公開) | |
dc.date.accepted | 2021-09-16 | |
dc.contributor.author-college | 電機資訊學院 | zh_TW |
dc.contributor.author-dept | 電信工程學研究所 | zh_TW |
dc.date.embargo-lift | 2023-09-14 | - |
顯示於系所單位: | 電信工程學研究所 |
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U0001-1409202113222200.pdf | 17.92 MB | Adobe PDF | 檢視/開啟 |
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