跳到主要內容

簡易檢索 / 詳目顯示

回結果列表
研究生： 劉維旻
Wei-min Liu
論文名稱： 無線感測心電圖量測系統設計與應用
Design of wireless electrocardiogram system andits applications
指導教授： 李柏磊
Po-Lei Lee
口試委員:
學位類別： 碩士
Master
系所名稱： 資訊電機學院 - 電機工程學系
Department of Electrical Engineering
畢業學年度： 96
語文別： 中文
論文頁數： 86
中文關鍵詞： 藍芽無線 、心電圖
外文關鍵詞： wireless, electrocardiogram(ECG), Bluetooth
相關次數： 點閱：8  下載：0 
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

    • 根據行政院衛生署所做的調查發現，歷年因為心血管疾病而死亡的人
    數始終居高不下，而心電圖在判讀心血管疾病方面扮演著重要的角色，因
    此設計能即時且連續紀錄並監控心電圖的系統便是本研究主要的目的。
    本論文即在建立無線感測心電圖量測系統，電路可分為傳送端與接收
    端兩個部份。傳送端電路主要是得到心電訊號，並由微處理器控制藍芽將
    訊號發送出去，而接收端電路主要是將藍芽所收到的資料重建出來。
    傳送端電路為本篇論文重點。爲了使得到的心電圖清晰且易於辨識，
    我們由人體收集到心電訊號後，會將心電訊號放大至適合做訊號處理的範
    圍，之後便利用濾波器濾除雜訊，經過上述動作之後所觀察到的心電訊號
    即相當與標準的心電訊號。最後為了驗證放大電路的效能，會讓系統量測
    腦波訊號。
    最後驗證接收端電路所收到的訊號是否為傳送端電路傳送的訊號，我
    們將示波器同時連接至傳送端電路與接收端電路，觀察並比較兩筆資料的
    出現時間與波形，實驗結果發現系統確實能夠及時且連續的監測心電訊
    號。

    According to the survey taken by the Department of Healthy in Taiwan, the
    cardiovascular disease has been noticed because of its second rank in the top
    ten causes of death. Since dangerous heart attack is always coming in
    unexpected situation, one low-cost system which is suitable for monitoring a
    patient’s heart status in his daily life is needed. This research aims to design a
    wireless electrocardiogram (ECG) recording system for continuously
    monitoring and tracking the heart status of a patient. The wireless ECG
    contains multiple circuit stages, including instrument amplifier, bandpass filter
    and transmission-reception stages.
    The main contribution of the proposed study is that we have developed a
    high-sensitive ECG system and construct its wireless communication via
    Bluetooth channel. The technique, Bluetooth, has been created as a single
    digital wireless protocol, capable of connecting multiple devices and
    overcoming issues arising from synchronization of these devices. Bluetooth
    provides a way to connect and exchange information between universal
    devices. The bluetooth communication is controlled by a dsPIC
    microprocessor. ECG signals are digitized, encoded and transmitted in 2.4
    GHz by Bluetooth chipset. The data are received by a corresponding receiving
    Bluetooth chipset and ECG data are reconstructed by another dsPIC
    microprocessor.
    The currently developed system can achieve real-time ECG signals
    transmission above 200 Hz sampling rate. The reconstructed ECG signals were
    validated by the comparison of the original ECG signals and the reconstructed
    one. Future work will implement the proposed system in monitoring other
    bio-electrical signals, such as electroculargram (EOG), electromyogram (EMG)
    and electroencephalogram (EEG).

    中文摘要................................................................................................................I 英文摘要.............................................................................................................. II 誌謝.................................................................................................................... III 圖目錄.................................................................................................................VI 表目錄.................................................................................................................. X 第一章 序論......................................................................................................... 1 1.1 研究動機與目的......................................................................................................................................... 1 1.2 文獻回顧..................................................................................................................................................... 2 1.3 論文架構..................................................................................................................................................... 5 第二章 系統與硬體簡介................................................................................. 6 2.1 系統架構 ................................................................................................................................................ 6 2.2 心電圖......................................................................................................................................................... 7 2.3 藍芽........................................................................................................................................................... 12 2.4 硬體介紹................................................................................................................................................... 13 第三章 電路理論推導....................................................................................... 18 3.1 功能介紹................................................................................................................................................... 18 3.2 放大電路................................................................................................................................................... 21 3.2.1 運算放大器差動放大電路理論........................................................................................................ 21 3.2.2 儀表放大器電路理論........................................................................................................................ 22 3.2.3 實際量測結果................................................................................................................................... 24 3.3 低通濾波器............................................................................................................................................... 25 3.3.1 Sallen-Key 低通濾波器電路理論..................................................................................................... 26 3.3.2 實際電路........................................................................................................................................... 28 3.4 高通濾波器............................................................................................................................................... 32 3.4.1 Sallen-Key 高通濾波器電路理論..................................................................................................... 32 3.4.2 實際電路........................................................................................................................................... 33 3.5 陷波濾波器............................................................................................................................................... 37 3.5.1 雙T陷波濾波器電路理論................................................................................................................. 38 3.5.2 Delyiannis-Friend電路理論................................................................................................................ 40 3.5.3 陷波濾波器電路比較........................................................................................................................ 42 3.6 準位提升及振幅調整電路........................................................................................................................ 47 第四章 實驗結果............................................................................................... 50 4.1 放大電路實際頻率響應............................................................................................................................ 50 4.2 低通濾波器實際頻率響應........................................................................................................................ 51 4.3 高通濾波器實際頻率響應........................................................................................................................ 52 4.4 陷波濾波器實際頻率響應........................................................................................................................ 54 4.5 準位提升電路實際結果............................................................................................................................ 55 4.6 微處理器類比數位轉換結果.................................................................................................................... 56 4.7 系統實際測試........................................................................................................................................... 59 第五章 結論與未來展望................................................................................... 68 5.1 結論........................................................................................................................................................... 68 5.2 未來展望................................................................................................................................................... 69

    【1】行政院衛生署：國人主要死因統計資料。http://www.doh.gov.tw
    【2】九十七年第五週內政統計通報(96 年底我國戶籍登記人口結構分析)。
    http://www.moi.gov.tw/stat/
    【3】R. Fensli, E. Gunnarson, and O. Hejlesen, “A Wireless ECG System for
    Continuous Event Recording and Communication to a Clinical Alarm
    Station” , Proceedings of the 26th Annual International Conference of
    the IEEE EMBS, San Francisco, CA, USA, September 1-5, 2004.
    【4】Emil Jovanov, Aleksandar Milenkovic, Chris Otto and Piet C de Groen.,
    "A wireless body area network of intelligent motion sensors for computer
    assisted physical rehabilitation", Journal of NeuroEngineering and
    Rehabilitation Vol. 2, pp. 1~10, 2005.
    【5】Wheeler, A, “Commercial Applications of Wireless Sensor Networks
    Using ZigBee”, Communication Magazine, IEEE, Vol. 45,
    pp70~77,2007.
    【6】Joseph J. Carr and John M. Brown, Introduction To Biomedical
    Equipment Technology, 2th edition, Englewood Cliffs, New Jersey,
    1993.
    【7】Joseph J. Carr and John M. Brown, Introduction To Biomedical
    Equipment Technology, 3th edition, Englewood Cliffs, New Jersey,
    1993.
    【8】C. Li, C. Zheng, and C. Tai, “Detection of ECG Characteristic Points Using
    Wavelet Transforms,” IEEE Transactions on Biomedical Engineering, ,
    vol. 42, no.1, pp. 21-28, 1995.
    【9】達楷生醫科技股份有限公司"基本心電圖圖例簡介",2006.
    http://www.biosensetek.com/
    【10】Arthur C. Guyton , “Human physiology and mechanisms of disease” ,
    5th edition, W.B Saunders Company Philadelphia Pennsylvania,1992
    【11】Eric P. Widmaier, Hershel Raff, Kevin T. Strang, and Eric Widmaier,
    “Human Physiology” , McGraw-Hill Book Company,2003
    【12】Regional Base Hospital for Southeastern Ontario, Acquiring a 12 Lead
    Electrocardiogram.
    http://www.kingstonbasehospital.ca/uploads/documents/CME-20061204-Acquirin
    g_a_1.pdf
    【13】Norhashimah Mohd Saad, Abdul Rahim Abdullah, and Yin Fen Low,
    “Detection of Heart Blocks in ECG Signals by Spectrum and
    Time-Frequency Analysis” , Student Conference on Research and
    Development (SCOReD 2006), Shah Alam, Selangor, MALAYSIA,
    27-28 June, 2006.
    【14】曾煜棋，潘孟鉉，林致宇，無線區域及個人網路-隨意及感測器網
    路之技術與應用，加樺國際，台北市，2006。
    【15】Microchip company " dsPIC30F4013 Data Sheet",2007.
    http://ww1.microchip.com/downloads/en/DeviceDoc/70135E.pdf
    【16】Intersil company" AD7541 Data Sheet",1997.
    http://pdf1.alldatasheet.com/datasheet-pdf/view/177772/INTERSIL/AD
    7541.html
    【17】C. Li, C. Zheng, and C. Tai, “Detection of ECG Characteristic Points
    Using Wavelet Transforms,” IEEE Transactions on Biomedical
    Engineering, , vol. 42, no.1, pp. 21-28, 1995.
    【18】J. S. Sahambi, “Using Wavelet Transform for ECG Characterization,”
    IEEE Eng Med Biol Mag, pp. 77-83,1997.
    【19】Kitchin, Charles and Lewis Counts, A Designer''s Guide to
    Instrumentation Amplifiers, Second Edition, Analog Device.
    http://www.analog.com/UploadedFiles/Associated_Docs/404380967COMPLETE_IN_AMP_GUIDE.pdf
    【20】Texas Instruments" INA128 Data Sheet",1995.
    http://pdf1.alldatasheet.com/datasheet-pdf/view/56683/BURR-BROWN/
    INA128.html
    【21】許鴻義，心電圖訊號量測系統之製作與分析，國立雲林科技大學，
    碩士論文，2003。
    【22】蔡錦福，運算放大器原理與應用，全華書局，1991。
    【23】謝竣傑，多頻相位編碼之閃光視覺誘發電位驅動大腦人機介面，國
    立中央大學，碩士論文，2007。

    QR CODE
    :::