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系統識別號 U0026-2308201314053100
論文名稱(中文) 基於ZigBee無線網路技術傳輸之心電圖即時監測系統
論文名稱(英文) A ZigBee-based Wireless Real-Time ECG Monitoring System
校院名稱 成功大學
系所名稱(中) 資訊工程學系碩博士班
系所名稱(英) Institute of Computer Science and Information Engineering
學年度 101
學期 2
出版年 102
研究生(中文) 蘇怡青
研究生(英文) Yi-Ching Su
學號 p76991175
學位類別 碩士
語文別 中文
論文頁數 34頁
口試委員 指導教授-張大緯
口試委員-楊中平
口試委員-梁勝富
口試委員-藍崑展
口試委員-蕭富仁
中文關鍵字 無線近身網路  心電圖  Z-Stack  分時多工存取  時間同步 
英文關鍵字 Wireless body area network (WBAN)  Electrocardiography (ECG)  Z-Stack  TDMA  Time synchronization 
學科別分類
中文摘要 ECG是經常被醫院用來做為監控受測者生命跡象的一項生理訊號。而連續的生理訊號監控若非自動化系統對醫院人力而言是個很大的負擔,我們的系統提供了一套可靠的自動監控系統,可長時間監控受測者的ECG生理訊號。支援多位受測者同時監控,且受測者能夠隨時加入或是離開該系統。監控者可透過一套方便的圖形化使用者介面即時診斷受測者,且此介面有提供心跳頻率偵測功能,當發現不正常心律時可立刻警示監控者。生理訊號是透過符合IEEE 802.15.4規範的無線網路傳輸。為了能支援多人,本系統在Z-Stack上實作了分時多工存取(TDMA)協定。並且透過一個可靠且簡便的時間同步方法調整傳送端與接收端的時間,省下了計算不同傳送端與接收端之間的運算過程。
我們提出的系統已證明在有受設測者頻繁的動態加入或移除時依然能保持98%以上的資料完整率,且系統在低干擾環境下可達到99%以上的資料完整率,而在高干擾環境下也有94%以上的資料完整率。
英文摘要 Electrocardiography (ECG) is often used as a surveillance subject's vital signs of a physiological signal in hospital. It is a big burden for hospital manpower if a continuous monitoring system of physiological signals is not an automated system. Our system provides a reliable automatic monitoring system, which can monitor the subjects’ ECG for a long time. The proposed system supports multiple subjects and subjects were able to join or remove the system at any time. Monitors can diagnose subjects by a convenient graphic user interface (GUI) in real-time. The GUI could detection the heart rate. When the heart rate is abnormal, the GUI will alert the monitors immediately. Physiological signals are transmitted wirelessly via IEEE 802.15.4 communication technology. In order to support multiple subjects, our system implemented a time division multiple access protocol on Z-Stack. Moreover, we adjust the transmitter and receiver’s clock by a reliable and simple time synchronization method. This method saves the cost of computing between transmitters and receiver.
The proposed system was proved to achieve more than 98% received data integrity when there are subjects join and remove system rapidly. The system could achieve more than 99% received data integrity in low interferences environment and more than 94% received data integrity in high interferences environment.
論文目次 CHAPTER 1.INTRODUCTION...1
CHAPTER 2.RELATED WORK...4
CHAPTER 3.DESIGN AND IMPLEMENTATION...6
3.1概論...6
3.2硬體架構...7
3.2.1微處理器模組...7
3.2.2傳感器模組...9
3.3軟體架構...10
3.3.1系統概論...10
3.3.2通訊協定...10
3.3.3重傳機制...13
3.3.4時間同步...13
3.3.5使用者介面...14
3.4系統流程...15
CHAPTER 4.PERFORMANCE EVALUATION...19
4.1真實環境實驗...19
4.1.1實驗設置...19
4.1.2實驗結果...20
4.1.3實驗討論...21
4.2重傳機制驗證...23
4.3動態加入與移除機制...25
4.3.1實驗設置...25
4.3.2實驗結果...25
4.3.3動態加入平均耗時...25
4.4時間同步...27
CHAPTER 5.DISCUSSION...29
CHAPTER 6.CONCLUSION AND FUTURE WORK...30
REFERENCES...32
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