研究生: |
林暐力 Wei-Li Lin |
---|---|
論文名稱: |
低成本三軸加速規應用於橋梁安全監測可行性之評估 The feasibility of using low-cost accelerometer in bridge health monitoring |
指導教授: |
謝佑明
Yu-Ming Hsieh 廖國偉 Kuo-Wei Liao |
口試委員: |
廖國偉
Kuo-Wei Liao 謝佑明 Yu-Ming Hsieh 楊亦東 Yi-Tung Yang |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 營建工程系 Department of Civil and Construction Engineering |
論文出版年: | 2018 |
畢業學年度: | 106 |
語文別: | 中文 |
論文頁數: | 113 |
中文關鍵詞: | 物聯網 、橋梁監測 、三軸加速規 、無線通訊技術 、橋梁自然振動頻率 、降伏地表加速度 |
外文關鍵詞: | Arduino |
相關次數: | 點閱:267 下載:2 |
分享至: |
查詢本校圖書館目錄 查詢臺灣博碩士論文知識加值系統 勘誤回報 |
國內橋梁數量眾多,若對所有橋梁進行詳細檢測評估,需要投入大量人力成本與資金。常見的橋梁檢查方法是使用臺灣地區橋梁維護管理系統TBMS-D.E.R.&U.,而以頻率為基礎之檢測則有微震法、移動式量測法等。因使用目視檢測評估法,不僅需要出動大量人力,也因檢測人員不同,導致誤差甚大的可能發生;若改用量測頻率來檢測,所使用的儀器(如速度計或加速度計)其價格通常非常昂貴,增加橋梁維護的成本。
本研究主要核心為運用微控制器Arduino連接三軸加速規感測器,透過ZigBee無線技術,能直接連線溝通架設於橋梁上的其它警示燈設備。對於數據採集,我們使用SD卡紀錄感測器所量測到的數值,並且更進一步的在Arduino開發板上進行分析運算量測橋梁頻率,以取代使用電腦分析的高成本執行,本研究硬體成本盡量壓低在3000新台幣以內,盼能有效降低監測成本。
There are many bridges in Taiwan. The cost of inspection and safety evaluation process is expensive. In general, one of bridge detection methods is to use Taiwan Bridge Maintenance Management System, “TBMS-D.E.R. & U. “. This method is a visual inspection evaluation process and is operated by human, possibly, resulting in many errors. Alternatively, frequency-based method such as ambient vibration method is also available. If frequency-based method is adopted, the cost of bridge maintenance may increase.
One of the main ideas of this research is to use Arduino microcontroller connecting to accelerometer. By utilizing the Zigbee wireless technology, it will activate the warning light equipment, which is setting on the bridge, if the measured ground acceleration is greater than the yielding acceleration. In addition, if the reduction of bridge frequency derived from the measured accelearions, which is recorded using SD card, the waring system will be activated as well. The cost of the developed module is about NTD 3000, which significantly reduces expense.
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