請用此 Handle URI 來引用此文件：
http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/80785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 | Rou-Yu Chen | en |
| dc.contributor.author | 陳柔妤 | zh_TW |
| dc.date.accessioned | 2022-11-24T03:16:31Z | - |
| dc.date.available | 2021-11-05 | |
| dc.date.available | 2022-11-24T03:16:31Z | - |
| dc.date.copyright | 2021-11-05 | |
| dc.date.issued | 2021 | |
| dc.date.submitted | 2021-10-12 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/80785 | - |
| dc.description.abstract | 本論文研究旨在探討電荷抵銷效應對高模態時壓電能量擷取的影響。首先，懸臂樑受到振動產生應變，高模態會改變彎曲應變的分佈，產生的反曲點稱之為應變節點，其發生於第二模態以上的高模態，第一模態不會產生應變節點。若將壓電層直接分佈於應變節點上，系統之等效力電耦合係數的值會變小，導致輸出功率降低。為了驗證電荷抵銷效應，使用不同長度比例之兩段式壓電片懸臂樑的模型，進行研究。理論推導使用懸臂樑之分佈參數法，模擬驗證使用有限元素模擬軟體COMSOL Multiphysics。為避免電荷抵銷，將兩段式壓電片懸臂樑搭配電路正接與反接，實驗結果與預期結果相符，在第一模態時，電路反接的輸出功率趨近於0，而在第二模態，若兩段式壓電片分佈比例接近應變節點的位置，或是與應變節點相符時，電路反接的輸出功率會明顯增加，反之，若兩段式壓電片的分佈比例偏離應變節點，則電路反接提升輸出功率的效果會下降。 | zh_TW |
| dc.description.provenance | Made available in DSpace on 2022-11-24T03:16:31Z (GMT). No. of bitstreams: 1 U0001-0810202111040700.pdf: 6437558 bytes, checksum: dfd89abc4e0d6e81b6e91e37cb389647 (MD5) Previous issue date: 2021 | en |
| dc.description.tableofcontents | 誌謝 i 中文摘要 ii ABSTRACT iii 目錄 iv 圖目錄 vi 表目錄 viii 第一章 緒論 1 1.1 研究動機 1 1.2 文獻回顧 2 1.3 論文架構 6 第二章 壓電模型與理論 7 2.1 壓電效應 7 2.1.1 正壓電效應 7 2.1.2 逆壓電效應 8 2.2 壓電材料組成律 9 2.3 壓電懸臂樑之數學理論 11 2.3.1 雙層串聯壓電懸臂樑 12 2.3.2 雙層並聯壓電懸臂樑 18 2.3.3 單層壓電懸臂樑 21 2.4 交流分析 24 2.5 兩段式壓電片懸臂樑之數學理論 26 2.5.1 兩段式壓電片懸臂樑之力學方程式 27 2.5.2 兩段式壓電片懸臂樑之電學方程式 28 2.6 兩段式壓電片懸臂樑之交流分析 30 2.7 應變節點 32 第三章 有限元素模型建立 34 3.1 模型設定概述 34 3.2 雙層串聯壓電懸臂樑模型 35 3.3 單層壓電懸臂樑模型 36 3.4 兩段式壓電片懸臂樑模型 37 3.5 實際操作介面 38 第四章 兩段式壓電片懸臂樑之實驗設立 42 4.1 實驗架構 42 4.2 實驗儀器 43 4.3 實驗流程 48 第五章 結果與討論 50 5.1 模擬驗證 50 5.2 兩段式壓電片懸臂樑實驗與理論分析 54 5.2.1 電荷抵銷 54 5.2.2 兩段式壓電片懸臂樑之實驗結果 58 5.2.3 兩段式壓電片懸臂樑之理論結果 75 5.2.4 兩段式壓電片懸臂樑之多整流實驗 82 第六章 結論與未來展望 85 6.1 結論 85 6.2 未來展望 87 參考文獻 88 | |
| dc.language.iso | zh-TW | |
| dc.subject | 壓電能量擷取 | zh_TW |
| dc.subject | 應變節點 | zh_TW |
| dc.subject | 分段式壓電層 | zh_TW |
| dc.subject | 電荷抵銷 | zh_TW |
| dc.subject | 高模態激振 | zh_TW |
| dc.subject | 電路反接 | zh_TW |
| dc.subject | Higher Resonant Mode Excitation | en |
| dc.subject | Strain Node | en |
| dc.subject | Segmented Piezoelectric Layers | en |
| dc.subject | Reverse Electric Connection | en |
| dc.subject | Piezoelectric Energy Harvesting | en |
| dc.subject | Charge Cancellation | en |
| dc.title | 電荷抵消效應對兩段式壓電片懸臂樑的能量擷取影響 | zh_TW |
| dc.title | The Effect of Charge Cancellation on Harvesting Energy from a Cantilever Beam with Two Segmented Piezoelectrics | en |
| dc.date.schoolyear | 109-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 陳志鴻(Hsin-Tsai Liu),林哲宇(Chih-Yang Tseng) | |
| dc.subject.keyword | 電荷抵銷,高模態激振,壓電能量擷取,電路反接,分段式壓電層,應變節點, | zh_TW |
| dc.subject.keyword | Charge Cancellation,Higher Resonant Mode Excitation,Piezoelectric Energy Harvesting,Reverse Electric Connection,Segmented Piezoelectric Layers,Strain Node, | en |
| dc.relation.page | 94 | |
| dc.identifier.doi | 10.6342/NTU202103616 | |
| dc.rights.note | 同意授權(限校園內公開) | |
| dc.date.accepted | 2021-10-14 | |
| 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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