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姓名 王建翔(Cheng-Shieng Wang) 查詢紙本館藏 畢業系所 土木工程學系 論文名稱 利用時間區段轉換原理之遠距非接觸式位移量測技術
(A Remote Laser Displacement Measurement System by the Time Interval Transform Technique)相關論文 檔案 [Endnote RIS 格式] [Bibtex 格式] [相關文章] [文章引用] [完整記錄] [館藏目錄] [檢視] [下載]
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摘要(中) 結構物之變形量測在健康診斷中是非常重要的工作,在結構物快速診斷的需求下,遠距非接觸式之動態光學量測方法,便具備其便利性及需求性,但其具有一定之困難度。本研究發展出一新式之非接觸式結構物位移量測儀器,其基本原理是利用結構物變形前後感測元件所激發之訊號中將其變形前後之時間間距變化轉換成位移的差異,而其中原理只是求解其三角幾何關係即可建立出時間間距與位移之關係方程式。相較於傳統量測儀器,本研究雷射位移量測儀器之數據處理快速,節省了計算與測量的時間,且因前置作業方便快速,可縮短封橋時間避免民怨並有效率的量測到結構物變形。而目前開發階段透過實驗室中對H 型鋼梁的靜、動態撓度變形量測實驗,証明本研究所開發之量測系統具有相當好的發展性。
摘要(英) It is an important and essential work to measure the deformation of the structure on health diagnosis. The far distance and noncontact optical measuring methods are convenient and popular because of structure fast diagnosis, but with some difficulty. This research developed a new type of noncontact structure displacement measurement system. The fundamental theorem of it is to transform the time interval variation of signals from ptical sensing instrument to a corresponding displacement variation. The key work of it is solving the triangle geometric relationship to formulate the relation between time interval and displacement. The laser displacement measurement system developed in this research has fast data processing algorithm so it can be more efficient compared with traditional measurement systems. Laboratory and field test results demonstrate that the remote laser displacement measurement system is quite accurate and efficient for structure condition evaluation.
關鍵字(中) ★ 撓度
★ 變形
★ 動態結構物健康診斷
★ 非破壞檢測
★ 非接觸式
★ 雷射關鍵字(英) ★ non-contact
★ nondestructive evaluation
★ health diagnosis
★ laser
★ deflection
★ deformation論文目次 摘要..................................................... I
ABSTRACT ............................................... II
誌謝 .................................................. III
目錄 ................................................... IV
表目錄 .................................................. V
圖目錄 ................................................. VI
第一章 緒論 ..............................................1
1.1 研究動機 ..........................................1
1.2 研究目標 ..........................................2
1.3 論文架構 ..........................................2
第二章 文獻回顧 ..........................................3
第三章 雷射變位量測系統原理 ............................ 17
第四章 雷射變位量測系統製作與驗證 ...................... 23
4.1 儀器元件 ........................................ 23
4.2 實驗試體 ........................................ 33
4.3 功能實驗驗証 .................................... 35
4.4 實驗撓度值成果比較 .............................. 36
4.5 問題討論 ........................................ 38
4.6 系統特點 ........................................ 70
第五章 宜蘭泰雅大橋現地載重試驗量測成果 ................ 72
5.1 泰雅大橋背景、現況 .............................. 72
5.2 現地載重實驗規畫 ................................ 74
5.3 量測實驗結果 .................................... 76
5.4 現地載重試驗結論 ................................ 79
第六章 結論與建議 ...................................... 80
參考文獻 ............................................... 83
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指導教授 王仲宇(Chung-Yue Wang) 審核日期 2010-7-26 推文 facebook plurk twitter funp google live udn HD myshare reddit netvibes friend youpush delicious baidu 網路書籤 Google bookmarks del.icio.us hemidemi myshare