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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 許聿翔(Yu-Hsiang Hsu) | |
| dc.contributor.author | Po-Chen Liu | en |
| dc.contributor.author | 劉柏辰 | zh_TW |
| dc.date.accessioned | 2021-06-17T04:43:31Z | - |
| dc.date.available | 2020-08-07 | |
| dc.date.copyright | 2018-08-07 | |
| dc.date.issued | 2018 | |
| dc.date.submitted | 2018-08-03 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/70912 | - |
| dc.description.abstract | 本論文旨在開發高靈敏度可撓式壓電感測貼布，以應用於人體肌肉變形之量測。為了達到高靈敏度且具有可撓性之目標，本論文選用聚(偏氟乙烯-三氟乙烯) (poly[(vinylidenefluoride-co-trifluoroethylene]，P(VDF-TrFE))高分子鐵電材料，並使用滾筒收集器的標準靜電紡絲製程，製作出由數條微奈米絲線組成具排列性並可將機械能轉換成電子訊號的壓電絲線束，由於壓電絲線束內部的特殊幾何微結構，這種壓電絲線具有高度可撓性且可應用於高達65%以內的應變，因此，此壓電絲線可做為具有高度可撓性和感測能力之應變感測器。為了提升絲線之機械性質，本研究探討不同的靜電紡絲製程參數對其壓電絲線機械性質的影響，調整滾筒收集器的轉速以改變壓電絲線的排列性及幾何微結構。利用掃描式電子顯微鏡檢視壓電絲線的幾何微結構，證明在不同靜電紡絲製程參數下所製作的壓電絲線具有不同的排列性及樣貌，利用PMMA拉伸系統給予待測絲線定拉伸量，並結合震盪器的四點彎曲測試平台驗證待測絲線的拉伸性質，以結合震盪器的定量拉伸系統驗證待測絲線的耐久度，比較上述實驗結果並選擇使用最佳的靜電紡絲製程參數製作出最佳的高分子壓電絲線，將此絲線結合TPU黏性膜製作出壓電應變感測器，利用結合伺服馬達的拉伸測試平台驗證此感測器的機械及壓電性質，將此感測器貼附於人體皮膚，並驗證此壓電應變感測器成功量測到人體肌肉的變形訊號，包含比目魚肌在小跑步及跳躍時的收縮行為、二頭肌及三頭肌在同心收縮及離心收縮的行為、以及胸腔呼吸過程中的收縮及舒張行為、以及證明可同時記錄心跳的性能。 | zh_TW |
| dc.description.abstract | In this thesis, we develop a strain sensor that can provide a real-time monitoring of dynamic large deformation. In short, a electrospun P(VDF-TrFE) piezoelectric fiber strip composed of multiple nanofibers is used to convert the mechanical force into electronic signals. Due to the geometrical microstructure of electrospun strip, this strain sensor is highly flexible and can be used to measure strain within 65 %. To optimize its performance, piezoelectric strips with different electrospinning parameters are fabricated and studied. Experimental results demonstrated mechanical properties of electrospun strips are highly dependent on electrospinning parameters. Experimental results on durability and the level of large strain measurement are discussed in this thesis. Scanning electron microscope was used to exam geometrical microstructure of electrospun strip. A PMMA clamping system was used to provide for quantitative stretchability test. 4 point bending test device which drive by vibrating shaker were applied to verify the reversibility test. Quantitative tensile test devices which drive by vibrating shaker were applied to verify the durability test. Comparing the experimental outcome and use the optimal electrospinning parameters to fabricate the piezoelectric fiber. The piezoelectric strain sensor is composed of thermoplastic polyurethane (TPU) and piezoelectric fiber bundle. A tensile test platform driven by a servo motor is applied to verify the sensor performance. Finally, the piezoelectric strain sensor is adhered on human body to measure the body movement. It is verified that the developed piezoelectric strain sensor can be used to measure the body movement on human skin for muscle monitoring, including Soleus muscle movement during running and jumping, concentric and eccentric movement of biceps and triceps, chest movement and detection of heart beat. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-17T04:43:31Z (GMT). No. of bitstreams: 1 ntu-107-R05543016-1.pdf: 10614741 bytes, checksum: 19bb116a6abedd0f470e269f619da578 (MD5) Previous issue date: 2018 | en |
| dc.description.tableofcontents | 誌謝 i
中文摘要 iii Abstract iv 目錄 vi 圖目錄 ix 表目錄 xix 第1章 緒論 1 1.1 研究背景與動機 1 1.1.1 壓電及壓阻式可撓感測器 4 1.1.2 壓力、剪力及應變式可撓感測器 5 1.1.3 感測器之應用 8 1.2 研究目標 10 1.3 論文架構 12 第2章 壓電材料 13 2.1 壓電材料介紹 13 2.1.1 壓電效應簡介及壓電材料 13 2.1.2 壓電效應、焦電效應及鐵電效應 14 2.1.3 壓電材料種類 19 2.1.4 壓電組成方程式 20 2.2 高分子鐵電材料 24 2.2.1 PVDF 24 2.2.2 P(VDF-TrFE) 26 第3章 壓電絲線製程及原理 27 3.1 靜電紡絲 27 3.1.1 研究背景 27 3.1.2 靜電紡絲架設及各式收集器 28 3.1.3 靜電紡絲機械及環境參數 33 3.2 退火與極化製程 35 3.2.1 退火 35 3.2.2 極化 36 第4章 研究方法與實驗架設 39 4.1 靜電紡絲 39 4.1.1 靜電紡絲實驗架設及控制變數 39 4.1.2 靜電紡絲實驗之操作變數 42 4.1.3 靜電紡絲後處理 42 4.2 P(VDF-TrFE)絲線性質測試 43 4.2.1 絲線表面形貌及排列性 43 4.2.2 絲線抗拉性質之實驗架設 46 4.2.3 四點彎曲訊號量測之實驗架設 46 4.2.4 絲線耐久度測試之實驗架設 48 4.3 P(VDF-TrFE)應變感測器 49 4.3.1 感測器元件 49 4.3.2 感測器製程 49 4.3.3 感測器之性質量測 53 4.3.4 感測器理論之推導 62 第5章 實驗結果與討論 69 5.1 P(VDF-TrFE)絲線性質 69 5.1.1 絲線表面形貌及排列性 69 5.1.2 絲線抗拉性質 73 5.1.3 絲線耐久度測試 81 5.2 P(VDF-TrFE)感測器之性質量測 91 5.2.1 實時應變及應力量測圖 92 5.2.2 實時應變、應力及訊號量測圖 92 5.2.3 應力及訊號關係圖 96 5.3 P(VDF-TrFE)感測器應用於人體肌肉量測 99 5.3.1 人體肌肉最大拉伸量測試 99 5.3.2 感測器應用於肌肉變形量測 101 第6章 結論及未來展望 119 6.1 結論 119 6.2 未來展望 119 附錄 121 參考文獻 126 | |
| dc.language.iso | zh-TW | |
| dc.subject | 呼吸心跳量測 | zh_TW |
| dc.subject | 肌肉量測 | zh_TW |
| dc.subject | 可撓式感測器 | zh_TW |
| dc.subject | 靜電紡絲 | zh_TW |
| dc.subject | 聚(偏氟乙烯-三氟乙烯) | zh_TW |
| dc.subject | 壓電材料 | zh_TW |
| dc.subject | P(VDF-TrFE) | en |
| dc.subject | piezoelectric material | en |
| dc.subject | detection of heart beat | en |
| dc.subject | body movement measurement | en |
| dc.subject | flexible sensor | en |
| dc.subject | electrospinning | en |
| dc.title | 可應用於人體肌肉量測的可撓式壓電感測貼布之開發 | zh_TW |
| dc.title | Development of a Flexible Piezoelectric-Textile-Sensor for Human Muscle Measurements | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 106-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 李世光(Chih-Kung Lee),林致廷(Chih-Ting Lin),湯文慈(Wen-Tzu Tang) | |
| dc.subject.keyword | 壓電材料,聚(偏氟乙烯-三氟乙烯),靜電紡絲,可撓式感測器,肌肉量測,呼吸心跳量測, | zh_TW |
| dc.subject.keyword | piezoelectric material,P(VDF-TrFE),electrospinning,flexible sensor,body movement measurement,detection of heart beat, | en |
| dc.relation.page | 132 | |
| dc.identifier.doi | 10.6342/NTU201802273 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2018-08-03 | |
| 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 | |
文件中的檔案：
| 檔案 | 大小 | 格式 | |
|---|---|---|---|
| ntu-107-1.pdf 未授權公開取用 | 10.37 MB | Adobe PDF |
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