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研究生: 趙冠庭
Chao, Kuan-Ting
論文名稱: 物聯網輔助智能化無線氣體感測系統之研究
Study on IoT-aided intelligent wireless gas sensing system
指導教授: 陳俊達
Chen, Chun-Ta
鄧敦建
Teng, Tun-Chien
學位類別: 碩士
Master
系所名稱: 機電工程學系
Department of Mechatronic Engineering
論文出版年: 2016
畢業學年度: 104
語文別: 中文
論文頁數: 83
中文關鍵詞: 物聯網無線感測網路氣體感測
英文關鍵詞: Internet of Things, Wireless Sensing Internet, Gas Sensing
DOI URL: https://doi.org/10.6345/NTNU202203894
論文種類: 學術論文
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  • 本論文主要目的是運用DSC系統(Devices Smartphone Central Processing System, DSC)建立物聯網環境下之無線氣體感測網路,使之成為具有可偵測並識別不明氣體之智能化移動無線氣體感測網路。文中探討無線遙控(Wireless remote control)自動分析和資料傳輸之動力取樣裝置(Isokinetic sampling equipment)技術,並利用可攜帶式裝置進行無線傳輸,達到遠端操控及傳輸之技巧。在微電路部分主要整合不同氣體感測器之感測電路及通訊介面、微控器(Microcontroller unit, MCU)與無線傳輸晶片的溝通技術、手持裝置之數據傳輸及監控技術以及聯網通訊介面設計之遠距控制等,以實現物聯網環境下無線感測網路輔助智能化氣體感測。本文顯示利用無線遙控及動力取樣資料傳輸的方法,可實現具無人化(Unmanned)無線傳輸功能之監測站及物聯網相關之軟硬體測試分析。

    In this thesis, a wireless gas sensing network is established under the environment of the internet of things based on the device smartphone central processing system (DSC), such that it can serve as an intelligent mobile wireless measurement network for the detection and identification of unknown gases. Moreover, the wireless remote control for an automatic analysis and an isokinetic sampling equipment for the data transmission are discussed; thus, a mobile device is employed for the wireless transmission to achieve the remote manipulation and transmission. In the microcircuit, the sensing circuit and the communication interface for the different gas sensors are integrated to the microcontroller, wireless transmission chip, the handheld device for a data transmission, the monitoring technology and the communication interface to the network to fulfill the IoT-aided intelligent wireless gas sensing system. Finally, the experiments demonstrate that the designed wireless remote control and the power sampling data transmission technique can be used to implement an unmanned station with a wireless transmission function and the hardware/ software test analyses for the internet of things.

    摘要 i Abstract ii 誌謝 iii 目錄 iv 圖目錄 vi 表目錄 x 第一章 緒論 1 1.1 研究背景 1 1.2文獻回顧 2 1.3 研究目的 8 1.4 研究方法與步驟 9 1.5 論文架構 10 第二章 傳輸協定 11 2.1 無線通訊傳輸協定 11 2.1.1 行動無線協定 12 2.1.2 Wi-Fi協定 14 2.1.3 BLE 4.0 協定 16 2.2 感測器傳輸協定 18 2.2.1 I2C協定 18 2.2.2 SPI協定 20 2.2.3 UART協定 21 第三章 無線遠端氣體偵測機構設計 22 3.1氣體偵測盒設計 22 3.2氣體艙體設計 27 第四章 無線遠端氣體監測系統設計及分析 29 4.1 DSC系統 29 4.1.1 控制器 30 4.1.2 感測模組 36 4.2 APP程式設計 38 4.3 中央處理系統 42 第五章 氣體感測架構 45 5.1 氣體感測原理 45 5.1.1 非分散式紅外線光譜儀 NDIR 45 5.1.2 電化學 46 5.1.3 光離子化 PID 47 5.2 氣體感測電路設計 48 5.3 氣體感測實驗與校正 50 第六章 無線氣體偵測實驗之資料收集與分析 59 6.1 氣體偵測實驗流程 59 6.2 室內氣體量測實驗 ─ 定額氣體濃度 60 6.3 室外氣體量測實驗 ─ 單一偵測盒 67 6.3.1 屏東恆春出火氣體量測實驗 68 6.3.2 高雄燕巢烏山頂泥火山氣體量測實驗 71 6.4 室外氣體量測實驗 ─ 兩個偵測盒 74 6.5 無線氣體量測實驗分析與總結 77 第七章 結論 79 參考文獻 80

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