無線感測網路於即時結構安全監測系統之研發

The development of Wireless Sensor Network system in structure health monitoring

陳憲廷(Hsien-Ting Chen)

指導教授 ： 林致廷

國立臺灣大學/電機資訊學院/電子工程學研究所/碩士(2010年)

https://doi.org/10.6342/NTU.2010.10547

摘要

隨著科技日新月異，無線傳輸取代傳統有線溝通方式，結合微機電系統、奈米科技的進步，將感測器體積進一步的縮小，輕薄短小的特性使其成為監測公共安全的關鍵性技術之一。因此，在此一研究領域上最為常見的即為目標追蹤及定位的相關研究。然而，對於無線感測器網路技術具有多重感測節點架構出分散於待測區域中，感測並計算出相關待測數據並進行資料融合等方式，因為相關跨應用領域之障礙，使得相關關鍵性技術無法獲得重大的進展在眾多結構安全量測方法之中。本實驗計畫將進行利用本研究團隊已建置完成之無線感測器網路平台模組，配合結構鑑別技術與網型量測技術，針對土木結構形變量測之公共安全關鍵議題進行即時監測整合性系統之開發。
傳統上，大型結構物的監測皆是以人工佈建的方式，量測結構物之振動頻率反算其安全性，然而，相關技術佈建及人工設置成本皆十分昂貴，導致只能針對少數重要或是危險的結構物進行監測，因此，本論文是利用無線感測器網路技術針對土木結構安全監測系統進行研究發展，配合超音波測距技術，發展一低價且具有易於設置及強健資料傳輸特性之即時結構變形監測網路系統。

關鍵字

無線感測網路 ； 結構安全

並列摘要

Because of its feasibility to be integrated into life, the wireless sensor network technology has become an emerging research field recently. On the other hand, the wireless sensor network (WSN) technology is envisioned to be one of the promising methods for the structure health monitoring system because of its low-cost and high-fidelity. Limited by the entry barrier of the domain knowledge, however, this technology has not been widely employed into field applications.
To conquer the barrier mentioned above, in this work, the WSN platform serves as an information monitoring network based on its superiority in collecting spatial data. In detail, a real-time protocol for processing high-frequent position data based on ultrasonic sensing is established. Then the position information can be passed through the reconfigurable WSN network to the data collection center and the structure health monitoring system can be developed. With the accuracy and flexibility, this developed system can be used to acquire the real-time displacement, velocity and acceleration of structures. The system can also monitor structure behavior and take action whenever damage occurs. Moreover, for long term monitoring, the WSN system can be extensively installed in structures because of its low-cost capabilities. Whenever an abnormal change happens, people can response actively for further investigation and repairs immediately.

並列關鍵字

Wireless Sensor Network ； Structural Health Monitoring

參考文獻

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