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研究生:沈廣漢
研究生(外文):Kuang-Han Shen
論文名稱:應用MEMS微感測器於多層穿靶訊號之偵測
論文名稱(外文):Applying High G MEMS Accelerometer for Multi-layer Target Impact Signal Detection
指導教授:鄭泗滄鄭泗滄引用關係
指導教授(外文):Syh-Tsang Jenq
學位類別:碩士
校院名稱:國立成功大學
系所名稱:航空太空工程學系碩博士班
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2005
畢業學年度:93
語文別:中文
論文頁數:98
中文關鍵詞:壓電壓阻溶膠凝膠法多晶矽鋯鈦酸鉛層板落錘試驗機微型懸臂樑感測器衝擊加速度應變計高G值
外文關鍵詞:DynaA/DsensorPZTsol-gelpoly-siliconimpacthigh G
相關次數:
  • 被引用被引用:3
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  • 下載下載:42
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  本研究應用微機電系統(MEMS)製程,製作可量測衝擊加速度之感測器模組。我們利用多晶矽(Poly-silicon)壓阻特性,製作出壓阻式應變計;亦利用溶膠凝膠法(sol-gel)來製作以鋯鈦酸鉛(PZT)為材料之壓電式應變感知器。我們將這兩種感測器製作於矽晶圓上,並將矽晶圓連同感測器裁切下來,安裝於另外製作的基座中,使其具有懸臂樑的性質,成為可用於加速度量測的感測器模組。此模組之尺寸大小為長30mm,寬20mm,高15mm,較過去之設計尺寸更小,量測頻率範圍及加速度值更高,可使我們更進一步觀察到衝頭衝擊靶板的瞬間,衝頭加速度之細微變化。我們將製作完成之感測器模組安裝於衝擊系統中,以量測衝頭在衝擊單或多層靶板時所受之衝擊加速度。本研究中亦成功發展出能夠辨識衝擊訊號及計算衝擊次數之電路,並於雙層靶板衝擊試驗中,確實辨識出衝頭衝擊層板的數目。最後,藉由商用有限元素分析軟體LS-Dyna的輔助分析,可驗證實驗訊號有達到一定的準確性,並可從中了解衝擊時衝頭與靶板間的運動關係。
  Applying the MEMS process, the sensing modulus can be fabricated to measure the acceleration due to impact. We can fabricate poly-silicon strain gauge with piezo-resistive property, and also fabricate PZT with piezo-electric property by sol-gel method. We fabricated both sensors on the silicon wafer, and a cantilever silicon beam with these micro-strain sensors is used to measure the acceleration. The new design is not only smaller than before, but also has high sensing frequency and acceleration. It gives us a better view and more details of the transient behavior of impact. We can use this modulus to measure the impact acceleration signal when the punch impacts a single-layer or multi-layers target boards. In order to establish a system that is able to identify the layer number of target board, we also developed the impacting signal identification circuit and the counting circuit to count the layer number of board. These circuits can identity the signal successfully in double-layer target boards impact test. Finally, we can use commercial numerical analysis software “LS-Dyna” to simulate the impact test as well to verify the accuracy in the experiment, and have the good result.
簽名頁
授權書
誌謝
全文中文摘要
全文英文摘要
各章中文摘要
目錄
表目錄 I
圖目錄 II

第一章 前言
 1-1 研究動機 1
 1-2 文獻回顧 2
 1-3 研究方法 3

第二章 微型感測器模組
 2-1 介紹 5
 2-2 尺寸設計 5
 2-3 含壓阻式感測器之懸臂樑的製作流程 8
 2-4 含壓電式感測器之懸臂樑的製作流程 10
  2-4-1 調配原料:鋯鈦酸鉛(PZT)溶液 11
  2-4-2 壓電式感測器製作流程 12
 2-5 感測器模組之設計與組立 15
 2-6 懸臂樑頻率分析 17
 2-7 加速度與懸臂樑根部應變之轉換 19
 2-8 成本分析 22

第三章 實驗硬體設備建構
 3-1 落錘試驗機改良概要 23
 3-2 衝擊試驗平台之改良 24
 3-3 落錘衝頭及緩衝器之改良 25
 3-4 感測器模組基座之製作 27
 3-5 衝擊多層板訊號識別電路 27
  3-5-1 類比衝擊訊號轉換為數位訊號的A/D電路 27
  3-5-2 計算衝擊層板數目之計數電路 30

第四章 衝擊試驗之結果與討論
 4-1 外界雜訊之分析與排除 35
  4-1-1 電磁閥之干擾 35
  4-1-2 外介其他雜訊干擾 35
  4-1-3 GPIB傳輸線之干擾 36
  4-1-4 儀器接地方式對訊號所造成之影響 36
 4-2 感測器靜態校正 36
 4-3 壓阻式應變計靈敏度之分析 38
 4-4 感測器模組及市售應變計與市售加速規之衝擊訊號比對 39
 4-5 應用微型感測器於單層板訊號量測 42
 4-6 應用微型感測器及識別電路於雙層板訊號辨識 45

第五章 數值模擬分析
 5-1 簡介 48
 5-2 數值模型之建構 48
  5-2-1 衝頭尖端之建構 48
  5-2-2 衝頭柱體部份 49
  5-2-3 衝頭根部部分 49
  5-2-4 感測器模組與轉接座部份 50
  5-2-5 衝擊靶板之建置 50
  5-2-6 材料參數之選擇 51
 5-3 衝擊系統之數值模擬 52

第六章 結論與建議
 6-1 結論 54
 6-2 建議事項 55

附表 58
附圖 62
參考文獻 96
自述 98
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[20] James W. Dally, William F. Riley, Experimental Stress Analysis, McGraw-Hill companies, Inc., Boston, pp.242-249, 1999.

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[22] “LS-DYNA user manual”, version 970, Livermore software Technology Corporation, Livermore, CA, April 2003.

[23] O.C. Zienkiewicz and R. L.Taylor, The Finite Element Method, Volume2:Solid Mechanics, Butterworth-Heinemann, pp356-357, 2000.

[24] William D. Callister, JR., Material Science and Engineering An Introduction, 5th ed., John Wiley & Sons, Inc., p140, 1999.
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