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題名:利用個人數位助理器的平行埠之生理訊號擷取系統     (22點)
A Portable Signal Acquisition System Using Parallel Port of Personal Digital Assistant
著者:胡威志(Wei-Chih Hu) ;張世雄(Shih-Hsung Chang) ;徐良育(Liang-Yu Shyu)
出版地區:台灣
出版城市:台南市
學科:醫學綜合
關鍵字:生理訊號擷取 ; 串列埠 ; 並列埠 ; ECG ; Compact Flash ; Biosignal ; PDA ; Serial port ; Parallel port ; ECG ; Compact Flash
刊名:Journal of Medical and Biological Engineering
卷期:SU22卷(2002.12)
頁碼:69-79
語言:繁體中文
摘要: 中文摘要PDF ; 英文摘要PDF

本文主要目的在討論利用PDA之並列埠發展行動式生理訊號的擷取系統之方法。訊號的擷取以心電圖(electrocardiogram, ECG)的生理訊號做樣本,以目前最通用也最公開的是CF(CompactFlashTM)的格式做傳輸介面,討論PDA之並列埠在生理訊號擷取應用上的可行性。本系統對取樣頻率的傳輸測試,在無顯示模式狀況下,可達到30K次/秒~35K次/秒的取樣率,其資料傳輸量可達到30Kbyte?35Kbyte,表現並列埠的傳輸速率的應用在單通道的擷取生理訊號上,可容許較高的取樣率;優於串列埠的11Kbyte。在CF介面上其I/O共有2048位址,若以擷取ECG訊號、取樣率?500次/秒?樣本,可達到60?70個通道的同步擷取,可應用在多通道的生理訊號擷取系統。另外可將所取得的生理訊號訊號儲存至PDA,再回存到個人電腦上再加以應用,也可以即時的方式直接將所取得的生理訊號顯示在PDA的螢幕上。本文提供了一個低成本,且高效能的PDA開發在醫學應用方式,利用PDA的特性結合本系統可讓日後醫療器材多了另一方面的應用及發展。
Homecare and telemedicine are becoming important to the people in recent years for the reason of aging population. And, more importantly, some diseases need a long-term trace of vital signal recording. In recent years, Personal Digital Assistant (PDA) is progressively used and accepted for its convenience and portability. For the application of PDA, most of vital sign gathering equipment presently uses the serial port of PDA for interfacing data. However, using serial port as interface of transmission, it may need extra cost and severely limited by it specification at 115Kbps of transmission rate. The bandwidth is insufficient for serious medical application when gathering data at higher speed is needed. To answer this deficiency, using parallel port to acquire vital sign may be one of solution. Comparing the design, specification and definition of parallel port with serial port, it has higher bandwidth for high-speed data translation. In addition, parallel port does not need extra processor for translating data and can directly send gathered data to PDA as executing synchronism. Therefore, for speed and cost, there are a lot of advantages to parallel port. The purpose of this paper is, therefore, discussing the way of using PDA and it's parallel port to develop the acquisition system for vital signal. The testing and demonstration of signal acquisition is ECG signal from a template and human body. And, for a PDA, the most general and popular interface for transmission is CompactFlashTM (CF) card. The result of the discussing system can have 35KB-40KB sampling rate without displaying. And it has storage system for the ECG signal. The stored data at PDA, then, can be transfer to PC for additional application. Besides, the described system can directly acquire vital signal and display on monitor of PDA in real-time. The result of this study provides a methodology for low-cost and high efficient application of PDA in applied medical science. Using characteristic of PDA, the future medical equipment can have an alternative development.


    

本卷期目次
Journal of Medical and Biological Engineering SU22卷 (2002.12)
三級異常咬合孩童之下顎形態學分析/ 劉保興張志涵張宏博
局部膺復體人工植牙型式之應力分析/ 黃恆立張志涵柯慶昌林峻立黃振勳
人工全膝關節周圍組織之臨床磨耗殘屑研究/ 廖峻德陳煌仁楊芳瑄楊文一邱耀慶
電水式碎石機之可調整間距電極棒設計/ 梁勝明顏志成張建成
DICOM轉換介面之設計與實作/ 陳譽仁蕭嘉宏王俊昆黃履州高材
以最佳化量測參數設定來估算都卜勒角度/ 蔡季霖潘同泰江惠華
舌診影像系統在疾病辨識之應用/ 洪國峰廖偉丞翁清松胡威志蘇振隆
利用梯度向量流動態輪廓模型分割人體剖面影像/ 宋晏仁簡詩家陳志成
利用個人數位助理器的平行埠之生理訊號擷取系統/ 胡威志張世雄徐良育
肢體障礙者用中文摩斯碼訓練系統/ 楊正宏莊麗月楊正輝羅錦興
後牙區樹脂黏合牙橋與支台齒界面之有限元素應力分析/ 林峻立李惠娥張志涵張耕華林鼎勝
利用心率變異數評估中醫陰陽體質之研究/ 陳敬修邱創乾宋慶龍張永賢
新型良導絡量測系統之研發/ 王智濃翁清松胡威志張永賢林昭庚
 
   
 
   

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