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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 毛紹綱 | |
| dc.contributor.author | Chun-Han Tai | en |
| dc.contributor.author | 戴君翰 | zh_TW |
| dc.date.accessioned | 2021-06-07T23:42:35Z | - |
| dc.date.copyright | 2014-08-13 | |
| dc.date.issued | 2014 | |
| dc.date.submitted | 2014-07-24 | |
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Medina, “Comparative analysis of edge and broadside coupled split ring resonators for metamaterial design-theroy and experiment,” IEEE Trans. Antennas Prop., vol 51, pp. 2572-2581, 2003. [22] M. Gil, J. Bonache, J. G. Garcia, J. Martel, and F. Martin, “Composite right/left-handed metamaterial transmission line based on complementary split-rings resonators and their applications to very wideband and compact filter design,” IEEE Trans. on Microwave Theory and Tech., vol. 55, no. 6, pp. 1296-1304, Jun. 2007. [23] Y. T. Lee, J. S. Lim, C. S. Kim, D. Ahn, and S. W. Nam, “A compact size microstrip spiral resonator and its applications to microwave oscillator,” IEEE Microwave and Wireless Components Lett., vol. 12, no. 10, pp. 375-377, Oct. 2002. [24] M. Palandoken and H. Henke, “Fractal spiral resonator as magnetic metamaterial,” in IEEE Applied Electromagnetics conference, Kolkatta, Dec. 2009, pp. 14-16. [25] B. Wang, K. Teo, T. Nishino, W. Yerazunis, J. Barnwell, and J. Zhang, “Experiments on wireless power transfer with metamaterials”, Appl. Phys. Lett., vol. 98, pp. 254101-1 - 254101-3, Jun. 2011. [26] A. Rajagopalan, A. K. RamRakhyani, D. Schurig, and G. Lazzi, “Improving power transfer efficiency of a short-range telemetry system,” IEEE Trans. on Microwave Theory and Tech., vol. 62, pp. 947-955, Apr. 2014. [27] Y. Zhao and E. Leelarasmee, “Controlling the resonances of indefinite materials for maximizing efficiency in wireless power transfer,” Microwave and Optical Technology Lett., vol. 56, pp. 867-875, Apr. 2014. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/16637 | - |
| dc.description.abstract | 本論文提出應用於13.56MHz無線傳輸之印刷螺旋式線圈。由於傳統線圈放置於金屬平面旁，會有渦電流產生於金屬平面上，使整體的傳輸效率下降。在有金屬平面的情況，由於傳統電磁感應線圈會有很大的渦電流，於是為了降低渦電流，採用了電磁共振的技術來實現。藉由增加一個螺旋共振器，不但可減小渦電流的產生，還能因利用了超穎材料(metamaterial)來提升傳輸效率，從量測結果可得與傳統電磁感應技術的螺旋式線圈相比，傳輸效率會由3.7%提升至31.4%，接著並將結構應用於平移及角度變化，比較結果。而藉著在螺旋共振器上加入單刀四擲開關(SP4T)，可輕易的將偏移的工作頻率調整回13.56MHz而不需要調整匹配電路。這裡利用當金屬導體與線圈間的距離改變，來使工作頻率產生偏移。最後，可比較製作完成之線圈的模擬及量測結果來驗證本論文架構。 | zh_TW |
| dc.description.abstract | This thesis proposes 13.56MHz coil for wireless power transfer application. When the metal plate is placed near the coil, eddy current will be induced on the metal plate to decrease the transmission efficiency. In magnetic induction mechanism, huge eddy current will be induced on metal plate. Magnetic resonance mechanism is proposed to reduce the eddy current. By adding the spiral resonator, it not only reduces the eddy current, but also improves the transmission efficiency by using metamaterial. The measurement result shows that the transmission efficiency will be increased from 3.7% to 31.4% as compared to the traditional magnetic induction coil. Moreover, the lateral and angular misalignment effects of the proposed structure are investigated. By utilizing the SP4T switch on the spiral resonator, the shifted operating frequency can be easily adjusted back to 13.56MHz without any variation on the matching circuit. The distance between coil and metal plate is changed to examine the variation of operating frequency. Finally, the simulated and measured results of fabricated coils are compared to validate the proposed structure. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-07T23:42:35Z (GMT). No. of bitstreams: 1 ntu-103-R01942016-1.pdf: 4158545 bytes, checksum: 6e386dc36350437a712df93439df0201 (MD5) Previous issue date: 2014 | en |
| dc.description.tableofcontents | 口試委員會審定書 i
誌謝 ii 中文摘要 iii ABSTRACT iv 目錄 v 圖目錄 vii 表目錄 ix 第一章 緒論 1 1.1 概論 1 1.2 研究動機 2 1.3 章節介紹 2 第二章 無線傳能與超穎材料相關理論 3 2.1 無線傳能理論簡介 3 2.1.1 電磁感應(Magnetic Induction) 3 2.1.2 電磁共振(Magnetic Resonance) 3 2.1.3 電場耦合(Electric Coupling) 4 2.2 無線傳能重要參數 5 2.3 無線傳能的非理想效應 7 2.3.1 金屬導體的影響 7 2.3.2 集膚效應 10 2.3.3 鄰近效應 11 2.4 超穎材料簡介 11 2.5 螺旋共振器理論與設計 13 2.6 超穎材料驗證分析方法 14 第三章 超穎材料於無線傳能的設計與應用 17 3.1 傳統平面線圈 17 3.2 傳統平面線圈結合超穎材料的設計 22 3.3 模擬及量測結果與比較 25 3.4 線圈角度變化對無線傳能的影響 31 3.5 線圈平移變化對無線傳能的影響 32 3.5.1 陣列形式螺旋共振器的設計 33 第四章 結合單刀四擲開關的線圈設計與應用 38 4.1 單刀四擲開關介紹 38 4.2 結合單刀四擲開關的線圈設計 41 4.3 模擬及量測結果與比較 43 第五章 結論與未來工作 47 參考文獻 48 | |
| dc.language.iso | zh-TW | |
| dc.subject | 電磁共振 | zh_TW |
| dc.subject | 無線傳能 | zh_TW |
| dc.subject | NFC | zh_TW |
| dc.subject | 超穎材料 | zh_TW |
| dc.subject | 無線充電 | zh_TW |
| dc.subject | wireless charging | en |
| dc.subject | NFC | en |
| dc.subject | magnetic resonance | en |
| dc.subject | wireless power transfer | en |
| dc.subject | metamaterial | en |
| dc.title | 使用線圈形式共振器之無線充電系統 | zh_TW |
| dc.title | Wireless Powering System Using Coil-Type Resonators | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 102-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 鄭士康,呂學士 | |
| dc.subject.keyword | 無線傳能,電磁共振,NFC,超穎材料,無線充電, | zh_TW |
| dc.subject.keyword | wireless power transfer,magnetic resonance,NFC,metamaterial,wireless charging, | en |
| dc.relation.page | 51 | |
| dc.rights.note | 未授權 | |
| dc.date.accepted | 2014-07-25 | |
| 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 |
| 顯示於系所單位： | 電信工程學研究所 | |
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| ntu-103-1.pdf 未授權公開取用 | 4.06 MB | Adobe PDF |
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