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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 | Chin-Hsiung Chuang | en |
dc.contributor.author | 莊欽雄 | zh_TW |
dc.date.accessioned | 2021-06-16T03:49:27Z | - |
dc.date.available | 2017-01-28 | |
dc.date.copyright | 2015-01-28 | |
dc.date.issued | 2015 | |
dc.date.submitted | 2015-01-23 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/55160 | - |
dc.description.abstract | 本研究導入LabVIEW程式開發半自動化監控系統將軟硬體整合為單介面觀測與控制,另改良並聯式電感同步切換開關介面電路 (P-SSHI)架構與發展偵測同步開關時機點的機制,進行陣列式壓電能量擷取系統的功率增幅與功率寬頻的改善。
本論文內容分為LabVIEW程式設計、實驗與數據分析等三部分。LabVIEW程式設計部分以LabVIEW輔助壓電能量擷取系統,使用單介面控制振動和同步開關訊號輸出、振動子訊號顯示與數據的擷取,與傳統的手動調整儀器與手寫紀錄數據相比,減少約50~75%的時間使用率和擁有較高的量測精度。 實驗部分以串聯和並聯陣列式之振動子組合搭配標準電路與P-SSHI電路的架構進行功率增幅與功率寬頻的發展。在功率增幅方面,堆疊三根振動子後功率增加約為單根的三倍效果,且P-SSHI電路對於功率增幅提供不錯的貢獻度。在功率寬頻改善方面,串聯或並聯陣列式標準電路的架構提供近70%的提升效果。另外從實驗中結果得知,無論在功率增幅或功率寬頻改善方面,採用並聯陣列式搭配P-SSHI電路有相當優異的效果,為最佳的設計組合。 數據分析部分以本研究與之前團隊的成果相比較後發現,壓電與介電的等效係數的差異對功率衰減的影響較低,然而力電耦合強度與共振頻差異度對功率衰減的影響大。同是共振頻差異2%的情況,力電耦合偏強的材料之輸出功率有20%衰減,優於力電耦合偏弱的材料之50%衰減。 | zh_TW |
dc.description.abstract | The thesis introduces the Laboratory Virtual Instrumentation Engineering Workbench(LabVIEW) programming to integrate both hardware and software into a single interface for experimental facilitation. It also proposes an improvement on the control circuit of parallel-SSHI (Synchronized Switch Harvesting on Inductor) interface. Both techniques are applied to an array of piezoelectric energy harvesters with purposes on either power boosting or broadband improvement.
The thesis consists of LabVIEW programming, experiment and data analysis. With LabVIEW programming applied to an array system, a single interface is introduced for controlling both signal output and data acquisition of oscillators and SSHI switch signals. As a result, it is found that compared to the traditional experimental framework with handwritten records, 50% to 75% of time can be saved and the accuracy of measurement on output signals is increased too. The proposed framework is applied to the case of the three piezoelectric oscillators connected to the standard or parallel-SSHI interfaces. When the resonance of each oscillator is almost identical, harvested power is almost three times higher than that of a single oscillator. On the other hand, bandwidth is improved for slightly differences in the resonance of each oscillator. The result shows 70% increase of bandwidth in the array system. In particular, the parallel connection of array system attached to the parallel-SSHI interface exhibits the best performance in both power boosting and wideband improvement. Finally, it is found that the deviations in piezoelectric and dielectric material constants of each oscillator have little effect on power reduction. In contrast, the electromechanical coupling factor and the deviations in resonance of each oscillator have crucial impact on the drop in peak power. The results show that under 2% deviation in resonance, there is 20% power reduction in an array system with high electromechanical coupling. However, harvested power is reduced to 50% for a weak electromechanical coupling system. | en |
dc.description.provenance | Made available in DSpace on 2021-06-16T03:49:27Z (GMT). No. of bitstreams: 1 ntu-104-R01543021-1.pdf: 4495953 bytes, checksum: ca8857ddc4e34f4ba1e905e52a0274a7 (MD5) Previous issue date: 2015 | en |
dc.description.tableofcontents | 口試委員會審定書 #
致謝 i 摘要 iii Abstract iv 目錄 v 圖目錄 viii 表目錄 xiv Chapter 1 導論 1 1.1 研究動機 1 1.2 文獻回顧 3 1.3 論文架構 11 Chapter 2 壓電理論 12 2.1 壓電效應 12 2.1.1 正壓電效應 13 2.1.2 逆壓電效應 14 2.2 線性壓電材料之本構方程式 15 2.3 壓電懸臂樑數學模型之建立與等效係數 17 2.3.1 壓電懸臂樑數學模型之建立 17 2.3.2 壓電懸臂樑數學模型之等效係數 22 2.4 單一壓電振動子能量擷取系統之分析 26 2.4.1 單一壓電振動子在標準介面電路之分析 28 2.4.2 單一壓電振動子在能量擷取介面電路(Parallel-SSHI)之分析 32 2.5 多根陣列式壓電振動子能量擷取系統之分析 38 2.5.1 串聯陣列式壓電振動子在介面電路之理論模型與分析 38 2.5.2 並聯陣列式壓電振動子在介面電路之理論模型與分析 44 Chapter 3 LabVIEW功能介紹與設計架構 49 3.1 軟硬體功能介紹與訊號處理 50 3.1.1 軟體功能介紹 50 3.1.2 硬體功能介紹與訊號處理 60 3.2 壓電能量擷取監控與量測系統之設計 64 Chapter 4 壓電能量擷取系統之程式設計與實驗分析 75 4.1 實驗架構與儀器 76 4.1.1 實驗架構 76 4.1.2 實驗儀器 80 4.2 實驗材料參數之定義、等效係數換算流程與採用 85 4.3 陣列式壓電振動子同步開關與開關時機偵測之設計 90 4.3.1 壓電振動子同步開關能量擷取介面電路(P-SSHI)之開關設計 90 4.3.2 陣列式壓電振動子開關時機偵測設計 95 4.4 導入LabVIEW改良實驗流程與傳統實驗流程比較 100 Chapter 5 壓電能量擷取系統在不同介面電路之探討 105 5.1 單根壓電振動子之實驗結果 106 5.2 陣列式壓電振動子於功率增幅(Power Boosting)之探討 109 5.3 陣列式壓電振動子於功率寬頻(Power Bandwidth)之探討 117 5.4 壓電振動子之機電性質差異於功率表現之探討 125 Chapter 6 結論與展望 134 6.1 結論 134 6.2 未來展望 137 參考文獻 138 附錄A 144 附錄B 145 | |
dc.language.iso | zh-TW | |
dc.title | 陣列式壓電能量擷取系統之半自動化人機介面設計 | zh_TW |
dc.title | Design of Multiple Piezoelectric Energy Harvesters System with Semi-automation User Interface | en |
dc.type | Thesis | |
dc.date.schoolyear | 103-1 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 陳瑞琳(Ruey-Lin Chern),黃育熙(Yu-Hsi Huang) | |
dc.subject.keyword | 陣列式壓電振動能量擷取系統,實驗室虛擬儀器工程平台,電感同步切換開關介面電路,功率增幅,寬頻改善, | zh_TW |
dc.subject.keyword | array of piezoelectric energy harvesting system,LabVIEW,synchronized switch harvesting on inductor,power boosting, bandwidth improvement, | en |
dc.relation.page | 147 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2015-01-26 | |
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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