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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 舒貽忠(Yi-Chung Shu) | |
dc.contributor.author | Yung-Pang Chang | en |
dc.contributor.author | 張永邦 | zh_TW |
dc.date.accessioned | 2021-06-17T04:24:36Z | - |
dc.date.available | 2018-08-16 | |
dc.date.copyright | 2018-08-16 | |
dc.date.issued | 2018 | |
dc.date.submitted | 2018-08-15 | |
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Smart Materials and Structures, 18: 025009, 2009. [50] 傅泳馨,「微型壓電元件應用於寬頻旋轉系統之研究」,台灣大學工程科學及海洋工程學系研究所碩士論文,2018。 | |
dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/70234 | - |
dc.description.abstract | 本論文主要探討壓電振子在旋轉式磁激振外力下,利用陣列式系統進行壓電能量擷取之研究與探討,試圖改善發電功率的穩定性,降低輸出結果的高低峰值差異。但陣列式壓電振子搭配單整流之標準電路時,在特定頻率範圍時會因為相位關係,而造成電壓相消的問題,且其餘輸部分出功率雖有增大,但結果卻不盡理想,故我們初步認為陣列式系統搭配標準電路在本論文之旋轉模型下不適用。因此,本文採用多整流並聯電路架構,在振子後端各接上一專屬的全橋式整流器,使彼此有互不以影響的特性,成功解決相位問題。且經由電路模擬軟體PSpice與實驗驗證在多整流架構下,其並聯結果會與各別振子之頻率響應相加幾乎重疊。我們進一步利用此結果,將各別振子之功率輸出結果彼此交錯,使波峰與波谷互補,並使用切換方式成功達到在8~14Hz左右頻段之頻率響應的振幅減小約4到5成,達到類直流電的效果,提供穩定電壓源。 | zh_TW |
dc.description.abstract | The thesis investigate the array of piezoelectric energy harvesting under rotational magnetic plucking used for energy harvesting, with an intention to improve the stability of power output and reduce ripples in the output frequency response.The first attempt is to choose the parallel connection of multiple piezoelectric oscillators attached to a single rectifier for overall electrical rectification. However, the result shows the significant power reduction due to serious charge cancellation by the different timing of magnetic plucking.Then, an array of piezoelectric oscillators attached to multiple rectifiers for respective electrical rectification is considered for avoiding phase difference. Through PSPICE circuit simulations and experimental validation, it is found the frequency response of an array with respective electrical rectification is the addition of that of each individual piezoelectric oscillator. Based on this observation, the ripples of power frequency response is expected to be reduced by carefully adjusting the local peak power of one oscillator corresponds to the local valley of power of another oscillator, and vice versa. It is found the experiment exhibits the 40%-50% reduction of ripples by the manipulation of circuit switch within the range of rotational frequency between 8-14 Hz, providing a stable voltage resource. | en |
dc.description.provenance | Made available in DSpace on 2021-06-17T04:24:36Z (GMT). No. of bitstreams: 1 ntu-107-R05543059-1.pdf: 5202259 bytes, checksum: 7481ef2e253e0480160228bb82534131 (MD5) Previous issue date: 2018 | en |
dc.description.tableofcontents | 口試委員會審定書 #
誌謝 i 中文摘要 ii ABSTRACT iii CONTENTS iv LIST OF FIGURES vi LIST OF TABLES ix Chapter 1 緒論 1 1.1 研究動機 1 1.2 文獻回顧 2 1.3 論文架構 5 Chapter 2 壓電理論與模型 6 2.1 壓電效應 6 2.2 懸臂樑壓電振子之數學模型 8 2.2.1 上下壓電層極化方向相反之壓電懸臂樑(雙層串聯組態) 10 2.2.2 上下壓電層極化方向相同之壓電懸臂樑(雙層並聯組態) 12 2.3 壓電振子之等效電路模型 13 2.4 旋轉式懸壁樑壓電振子之理論模型 15 2.4.1 旋轉式磁激振外力 16 2.4.2 統御方程式 18 Chapter 3 陣列式壓電振子之理論模型 23 3.1 單一整流器搭配標準介面電路之壓電能量擷取系統 23 3.1.1 全串聯模型 23 3.1.2 全並聯模型 26 3.2 多整流器搭配標準介面電路之壓電能量擷取系統 28 Chapter 4 實驗量測與結果分析比較 30 4.1 Labview功能介紹 35 4.2 實驗架構與量測 39 4.2.1 磁力 39 4.2.2 壓電能量資料擷取 41 4.3 壓電振子串並聯搭配單整流之實驗結果 46 4.3.1 兩壓電振子共振頻率接近 47 4.3.2 兩壓電振子共振頻率分開 49 4.4 壓電振子搭配多整流器並聯之實驗結果 52 Chapter 5 實驗模擬 30 5.1 Pspice功能介紹 30 5.2 電路模擬 33 Chapter 6 實驗結果優化設計與驗證 61 6.1 線性疊加效果 61 6.2 模擬驗證 63 6.3 多整流並聯壓電振子搭配切換開關之實驗結果 65 Chapter 7 結論與未來展望 68 7.1 結論 68 7.2 未來展望 71 REFERENCE 73 | |
dc.language.iso | zh-TW | |
dc.title | 開發旋轉磁激振外力於陣列式壓電能量擷取之研究 | zh_TW |
dc.title | Application of Rotating Magnetic Plucking to Array of Piezoelectric Energy Harvesting | en |
dc.type | Thesis | |
dc.date.schoolyear | 106-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 黃育熙(Yu-Hsi Huang),林祺皓(Chi-Hao Lin) | |
dc.subject.keyword | 旋轉式磁激振,壓電陣列,多整流壓電陣列,標準電路,頻率響應, | zh_TW |
dc.subject.keyword | rotatory magnetic plucking,Array of piezoelectric oscillators,Array based on respective electric rectification,standard interface circuit,frequency response, | en |
dc.relation.page | 78 | |
dc.identifier.doi | 10.6342/NTU201803432 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2018-08-15 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 應用力學研究所 | zh_TW |
顯示於系所單位: | 應用力學研究所 |
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