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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
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dc.contributor.advisor | 李世光,張培仁 | |
dc.contributor.author | Yi-Hung Liu | en |
dc.contributor.author | 劉怡宏 | zh_TW |
dc.date.accessioned | 2021-06-15T05:57:12Z | - |
dc.date.available | 2013-08-20 | |
dc.date.copyright | 2010-08-20 | |
dc.date.issued | 2010 | |
dc.date.submitted | 2010-08-17 | |
dc.identifier.citation | [1] A.D.A.M. Inc. http://www.adam.com
[2] Core Orthopaedic Medical Center http://www.coreorthopaedic.com [3] A. Ahlbom, A. Green, L. Kheifets, D. Savitz, A. Swerdlow, 'Epidemiology of Health Effects of Radiofrequency Exposure', Environmental Medicine, vol. 112, no. 17, pp. 1741-1754, 2004 [4] V. Kumar, RP. Vats, PP. Pathak, 'Harmful effects of 41 and 202 MHz radiations on some body parts and tissues', Indian Journal of Biochemistry and Biophysics, vol. 45, no. 4, pp. 265-274, 2008 [5] NS. Shenck, JA. Paradiso, 'Energy scavenging with shoe-mounted piezoelectrics', IEEE Micro, pp. 30-42, May/June 2001 [6] S. Priya, 'Modeling of electric energy harvesting using piezoelectric windmill', Applied Physics Letters, vol. 87, no. 184101, 2005 [7] Y. Ke, T. Kuo, J. Li, 'A New-Style Slotted-Cymbal Transducer with Large Displacement and High Energy Transmission', IEEE Trans. on Ultrasonics, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 51, no. 9, September 2004 [8] SN. Suzuki, M. Ishihara, Y. Kobayashi, T. Katane, O, Saito, K. Kobayashi, 'Fundamental Development of Ultrasonic Information Transmission System for Wearable Devices', Japanese Journal of Applied Physics, vol. 48, no. 7, article no. 07GF05, Part2 Special Issue, 2009 [9] Y. Zhu, SOR. Moheimani, MR. Yuce, 'Ultrasonic Energy Transmission and Conversion Using a 2-D MEMS Resonator,' IEEE Electron Device Letters, vol. 31, no. 4, pp. 374-376, 2010 [10] SN. Suzuki, S. Kimura, T. Katane, H. Saotome, O. Saito, K. Kobayashi, 'Power and Interactive Information Transmission to Implanted Medical Device Using Ultrasonic', Japanese Journal of Applied Physics, vol. 41 (2002) pp. 3600–3603 [11] M. Kiani, M. Ghovanloo, 'An RFID-Based Closed-Loop Wireless Power Transmission System for Biomedical Applications', IEEE Transactions on Circuits and Systems—II: Express Briefs, vol. 57, no. 4, April 2010 [12] D. Hwang, ES. Kim, 'Micromachined Acoustic-Wave Liquid Ejector', Journal of Microelectromechenical Systems, vol. 10, no. 3, pp. 442-449, 2001 [13] H. Yu, JW. Kwon, ES. Kim, 'Microfluidic Mixer and Transporter Based on PZT Self-Focusing Acoustic Transducers', Journal of Microelectromechanical Systems, vol. 15, no. 4, August 2006 [14] H. Wang, D. Xing, L. Xiang, 'Photoacoustic imaging using an ultrasonic Fresnel zone plate transducer', Journal of Physics D: Applied Physics, vol. 41, no. 095111, 2008 [15] G. Yin, D. Xing, S. Yang, 'Dynamic monitoring of blood oxygen saturation in vivo using double-ring photoacoustic sensor', Journal of Applied Physics, vol. 106, no. 013109, 2009 [16] GK. Ottman, HF. Hofmann, AC. Bhatt, GA. Lesieutre, 'Adaptive Piezoelectric Energy Harvesting Circuit for Wireless, Remote Power Supply', IEEE Transactions on Power Electronics, vol. 17, no. 5, September 2002 [17] A. Tabesh, L. Frechhette, 'A Low-Power Stand-Alone Adaptive Circuit for Harvesting Energy from a Piezoelectric Micropower Generator', IEEE Transactions on Industrial Electronics, vol. 57, no. 3, pp. 840-849, 2010 [18] 汪建民等,陶瓷技術手冊,台北市;中華民國產業科技發展協進會,1999 [19] BM. Lempriere, Ultrasound and Elastic Waves: Frequently Asked Questions, ACADEMIC PRESS, 2002 [20] EP. Papadakis, Ultrasonic Instruments and Devices, ACADEMIC PRESS, 1999 [21] The Fresnel lens set, http://www.bhlens.com/ [22] The Barranjoey Lighthouse, http://www.lighthouse.net.au/lights/nsw/Barrenjoey/Barrenjoey.htm [23] Nike Hindsight Concept Riding Glasses, http://www.geek-news.net/2008/10/nike-hindsight-concept-riding-glasses.html [24] 廖伯霖,壓電超聲波能源轉換器的電彈性理論,國立臺灣大學碩士論文,2008 [25] K. Uchino, Piezoelectric Actuators and Ultrasonic Motors, Kluwer Academic Publishers, 1997 [26] D. Royer, E. Dieulesaint, Elastic Waves in Solids – Free and Guided Propagaion, Springer-Verlag Berlin Heidelberg New York, 2000 | |
dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/47378 | - |
dc.description.abstract | 近年來隨著微機電系統持續的發展進步以及對生醫技術產業這方面的發光發熱,這兩個領域相互整合的重要性也逐漸受到重視,無論是對體內外的疾病醫療或是被動式的量測監控,生醫產業與微機電系統之間的關係更是密不可分。然而目前體內植入式的量測晶片或醫療元件大部分僅以電池做為電源的供應來源,並不適合長時間的使用,故在本研究中提出了一個超聲波能量傳輸的架構,由體外將超聲波能源經由人體組織傳遞到體內,藉由壓電能源轉換器轉換成電能以供儲存及利用。本論文以壓電超聲波能量傳輸開始,利用鋯鈦酸鉛(PbZrTiO3, PZT)作為壓電換能器主體,加上以洋菜凍模擬人體組織,建立出一套壓電超聲波能量傳輸的量測系統,之後並對壓電換能器的電極加上菲涅爾半波帶(Fresnel half-wave band, FHWB)設計的改良,使得量測效果更佳。目前量測結果使用FHWB電極設計作改良之換能器在10mm的傳遞距離下其能量增益提升約5dB,並由實驗結果可明顯看出無論在軸向(傳遞方向)以及其垂直平面上皆有聚焦的效應產生。而後端電路輸出方面目前可獲得大於15mW的能量輸出,且利用蕭特基二極體的橋式電路並搭配適當的負載電阻,能將整流電路的能量損失減少至1.6mW以下。 | zh_TW |
dc.description.abstract | In recent years, there are many works focus on the improvement of the Biological technology. Furthermore, the integration of MEMS and Biological technology get more and more attentions in many research laboratories. Nowadays the implant biochips or medical facilities in micro scale are driven by batteries, which are not suitable for long-time use. In this study, the author constructs a piezoelectric ultrasonic power transmission system which can transmit power through the human body, the improvement can not only provide the power for long-time use but also for real-time use to many sensors. In this study, the author begins on clarifying the piezoelectric system and then integrated with the transmission theory for the ultrasonic power. PZT is chosen as the piezoelectric layer due to its high piezoelectric coefficient (d33), and agar plays the role of the human body. Fresnel half-wave band (FHWB) is introduced to be an improvement method for the power transmission efficiency, and there is a 5dB improvement observed from the modified design. A rectifier circuit makes the output power much useful, and the energy loss is less than 1.6mW for the circuit by using optimal load resistance. | en |
dc.description.provenance | Made available in DSpace on 2021-06-15T05:57:12Z (GMT). No. of bitstreams: 1 ntu-99-R97543007-1.pdf: 1282247 bytes, checksum: 9f1a1945c1aa62d2bbb02ef2f146249f (MD5) Previous issue date: 2010 | en |
dc.description.tableofcontents | 謝誌……………………………………………………………….………………….. i
摘要………………………………………………………………………………...... iv Abstract………………………………………………………………………………. v 目錄………………………………………………………………………………….. vi 圖目錄……………………………………………………………………………….. ix 表目錄………………………………………………………………………………. xii 第一章 序論……………………………………………………………………….. 1 1.1 研究動機…………………………………………………………………. 1 1.2 文獻回顧………………………………………………………………... 2 1.2.1 能量擷取&傳輸…………………………………………………. 2 1.2.2 能量聚焦………………………………………………………… 6 1.2.3 整流電路………………………………………………………… 6 1.3 論文架構………………………………………………………………... 8 第二章 壓電超聲波能量傳輸理論……………………………………………… 9 2.1 壓電理論………………………………………………………………... 9 2.1.1 壓電效應………………………………………………………… 9 2.1.2 壓電材料………………………………………………………… 10 2.1.3 壓電方程式……………………………………………………… 12 2.2 壓電超聲波換能器………………………………………....................... 14 2.2.1 徑向訊號強度分布……………………………………………… 16 2.2.2 軸向訊號強度分布……………………………………………… 18 第三章 菲涅爾半波帶 (FHWB)電極設計………………………........................ 22 3.1 菲涅爾透鏡 (Fresnel lens)………………………………....................... 22 3.2 聚焦電極圖樣……………………………………………....................... 25 第四章 實驗架構…………………………………………………........................ 28 4.1 壓電換能器………………………………………………....................... 28 4.2 傳輸介質…………………………………………………....................... 31 4.3 整流與儲存電路…………………………………………....................... 31 4.4 量測方法…………………………………………………....................... 35 第五章 實驗結果與分析…………………………………………........................ 37 5.1 換能器尺寸影響………………………………………………………... 37 5.2 壓電換能器能量分布…………………………………………………... 38 5.2.1 徑向訊號強度分布…………………………………........................ 38 5.2.2 軸向訊號強度分布…………………………………........................ 38 5.3 使用FHWB電極設計之壓電換能器能量增益……………………….. 39 5.3.1 徑向訊號強度分布…………………………………........................ 39 5.3.2 軸向訊號強度分布…………………………………........................ 41 5.4 整流電路能量損失……………………………………………………... 42 5.4.1 負載電阻100Ω…………………………………............................. 42 5.4.2 負載電阻2.1kΩ…………………………………............................ 44 第六章 結論與未來展望…………………………………………........................ 46 6.1 結論………………………………………………………....................... 46 6.2 未來展望…………………………………………………....................... 46 參考文獻……………………………………………………………....................... 48 附錄A 結晶體點群性質………………………………………………………… 51 附錄B 機電耦合因數k與品質因數Q…………………………………………… 53 附錄C 貝索函數(Bessel function)及相關推導…………………………………. 56 附錄D 黃光微影製程參數……………………………………………………… 58 附錄E 整流電路後端負載最佳化推導…………………………………………. 60 | |
dc.language.iso | zh-TW | |
dc.title | 利用菲涅爾透鏡設計提升植入式壓電超聲波能量傳輸器效率之研究 | zh_TW |
dc.title | Transmission efficiency enhancement by Fresnel lens design for an implanted piezoelectric ultrasonic power transmitter | en |
dc.type | Thesis | |
dc.date.schoolyear | 98-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 胡毓忠,吳文中 | |
dc.subject.keyword | 超聲波,壓電換能器,PZT,FHWB,蕭特基二極體, | zh_TW |
dc.subject.keyword | Ultrasonic,Piezoelectric transducer,PZT,FHWB., | en |
dc.relation.page | 62 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2010-08-18 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 工程科學及海洋工程學研究所 | zh_TW |
顯示於系所單位: | 工程科學及海洋工程學系 |
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