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研究生: 廖振佑
Chen-Yu Liao
論文名稱: 無線感測器平台原理與實作
Principle and Implementation of Wireless Sensor Platform
指導教授: 邱炳樟
Bin-Chang Chieu
口試委員: 徐敬文
Ching-Wen Hsue
王秀仁
Show-Ran Wang
學位類別: 碩士
Master
系所名稱: 電資學院 - 電子工程系
Department of Electronic and Computer Engineering
論文出版年: 2015
畢業學年度: 103
語文別: 中文
論文頁數: 51
中文關鍵詞: 濕度感測器加速度感測器焦電式紅外線感測器
外文關鍵詞: Humidity sensor, PIR
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現今半導體技術進展的關係使得相關電子零組件的體積得以縮減,運作功耗也逐漸的降低,為能有效的在移動式裝置有限的電力來源運作及提供感測資料,並將資訊統合成有用的資訊,在此提出適合搭載所有感測器的平台,並選擇低功耗元件降低系統的工作電流。
系統架構將會以感測器、微處理器及藍芽4.0模組組成,相同平台上配合不同的感測器及演算法及韌體的調整可以實現控溫器、計步器、人員移動偵測等功能。
為測試平台的多樣性,將會以三種代表性的感測器進行設計及測試,濕度感測器(Humidity)將會以長時間收集環境數據的架構及運作設計,加速度感測器(Accelerometer)會以測試平台收集數據並進行演算法分析的動態模式,焦電式紅外線感測器(PIR)除了測試平台收集數據並演算分析之外,並進行非常規感測器介面的設計及研究其接取方式,使平台能夠適應未來多樣化的感測器讀取介面。
測量平台為了有效進行相關物理量的測量,將會以RF方式進行測量數據及分析結果的傳送,在此選擇手機為遠端資料收集及分析的裝置,便於量測及分析的目的,期望以單一測量平台達到多種感測器的應用,並隨著研究過程不斷調整至最佳化。


With the progressing high technology of semiconductor, the size of electrical components is significantly reduced and the consumption of power is also getting lower and lower. For low power measurable/ wearable device, we usually encounter the following problems. One is the size of measurable/ wearable device is too large, it is not comfortable for people to wear and the other is the shortage of battery life. In order to solve these problems; the platform must be reduced size of PCB and more powerful efficiency
The systematic architecture of this platform includes Sensor& Micro Controller & Bluetooth 4.0. By means of adjusting the firmware and algorithm, the platform could complete many applications such as thermostat, pedometer and motion detection. All of these can be completed by the same system platform to achieve the beneficial result.
In order to show the diversities of this platform, we use three kinds of sensors to evaluate. Humidity sensor is for the test of long-time measurement; Accelerometer is used to build algorithm of pedometer for speed measurement and PIR motion sensor is used to build algorithm of motion detection. All of these are designed to adjust to the diversities of future access interface.
For gathering the physical data more efficiently, we use RF to transmit the data and analyze result. What’s more, we use mobile device to gather and analyze the remote data. For the time being, most sensor platforms are designed for single function, and our target is to design single hardware platform which is of multi-functional smart platform. With the progressing of research, the features will be fine-tuned and revised to achieve better performance.

摘要I AbstractII 目錄III 圖目錄V 表目錄VII 表目錄VII 第一章緒論1 1.1前言1 1.2研究動機1 1.3文獻回顧1 1.4論文架構2 第二章感測系統原理與架構3 2.1感測系統平台3 2.1.1系統簡介3 2.1.2系統架構說明3 2.1.2.1感測系統端3 2.1.2.2手機端4 2.2感測器工作原理及硬體運作4 2.2.1濕度感測器4 2.2.1.1濕度感測器原理4 2.2.1.2濕度感測器規格5 2.2.2三軸加速度感測器6 2.2.2.1加速度感測器原理6 2.2.2.2加速度感測器規格7 2.2.3焦電式紅外線移動感測器9 2.2.3.1焦電式紅外線感測器原理9 2.2.3.2焦電式紅外線感測器規格9 2.2.3.3透鏡規格10 2.3系統微處理器10 2.3.1微處理器工作頻率11 2.3.2微處理器工作電壓12 2.3.3微處理器封裝尺寸12 2.3.4後處理器界面13 2.4無線傳輸模組13 2.4.1無線傳輸模組規格14 2.5手機端應用程式16 2.6感測系統工作模式16 2.6.1待機狀態16 2.6.2擷取資料17 2.6.3資料傳送18 2.6.4演算法分析19 2.6.4.1濕度信號分析19 2.6.4.2加速度信號分析19 2.6.4.3紅外線移動信號分析21 2.7感測及實驗平台23 2.7.1電路方塊圖23 2.7.2電路圖24 2.7.3硬體實驗平台30 第三章信號處理方法33 3.1濕度信號量測33 3.2加速度信號量測34 3.3紅外線移動信號量測35 第四章實驗結果與分析37 4.1濕度量測結果37 4.2步行偵測量測結果38 4.3紅外線移動偵測結果41 第五章結論與建議44 5.1實驗結論44 5.1.1溫/濕度感測器實驗結論44 5.1.2加速度感測器實驗結論44 5.1.3焦電式紅外線感測器實驗結論44 5.2建議45 5.2.1溫/濕度感測器應用建議45 5.2.2加速度感測器應用建議45 5.2.3焦電式紅外線感測器應用建議45 5.2.4感測系統平台應用建議46 第六章未來與展望47 參考文獻50

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