臺灣博碩士論文加值系統

生理訊息領域是醫學上非常重要的指標，而其中如何取得生理訊號以及記錄演算甚至警報是科技輔助醫學一大主題之一，其目的在於利用感測元件將生理訊號轉化為常見的電氣信號，例如：電流、電壓，此類可經量測並且追蹤紀錄的電氣信號可以幫助生物資訊、醫療看護以及家庭醫學的研究領域。在過去的研究以及儀器的開發中，已有學者提出理論將此類生理信息轉為電信號並且記錄的案例非常的多，但此類信息的傳輸以及監視控制的重要性往往會被忽略，倘若生理量測儀器可以隨著晶片的製程改進而體積越來越小，小至可以隨身攜帶，那麼只要擁有此類儀器就可以獲得許多生理訊息，例如：呼吸次數、體內含氧量、體內含水量、血糖濃度、心律.…..等，加上控制系統以及警報系統，使得感測元件不再是感測元件，而是可發出警報拯救人命的精密儀器。此外，我們設計並執行的實驗中，採用工業界公開且嚴謹的Modbus通訊協定，此通訊協定最大的優點在於每筆封包在傳輸之後會被循環冗餘計算，提高每筆封包的正確性，減少錯誤警報的發生率，同時支援有線以及無線的傳輸格式，使得在應用方面更加廣泛，本實驗將使用Modbus通訊協定進行資料傳輸，並且使用光體積變化描記的技術來記錄心律，並且在發生心律異常時，由系統發出警報。

The field of physiological information collection is an important indicator in Medical Sciences .Among them ,obtaining physiological signals recording , calculating and even alerting is one of the major themes that technology assisted in medical sciences .The purpose of how to get physiological signals is to use the sensing elements to convert the signals into common electrical signals .Cause of these signal which are easy to be measure , track and log can help bioinformatics and family medicine .In the existing literatures , researches and the development of instruments , there are lots of cases that scholars have proposed that the theory records such physiological information into electrical signals , but such of tracking and control these of important parts are regularly be ignored . Asthe process of the wafer is improved , so that sensor chip being tiny enable to be carried around . As long as they have such instruments , lots of physiological information can be obtained, add the alert system and control system , let the system be a precision instrument which track our body information and alarm if needs . In addition , in the experiments we designed and implemented , using the industry’s open andrigorous Modbus communication protocol , the best of it’s feature is that each package will be calculated by cyclic redundancy after transmission , improving the correctness of data and reducing the incidence of wrong alarms , while supporting wired and wireless transmission formats , the protocol makes the system more widely used . This experiment will use the Modbus protocol for data transmission and using photoplethysmography to tracing heartbeat and alarm accidents by system.

摘要i
Abstractii
目錄iii
表目錄v
圖目錄vi
第一章 緒論1
1.1 前言1
1.2 動機與目的1
1.3 問題陳述3
1.4 方法與貢獻3
1.5 論文架構3
第二章 文獻回顧與相關技術5
2.1 心率感測技術5
2.1.1 光體積變化描記原理8
2.1.2 脈波(Pulse wave)11
2.2 控制系統13
2.3 Modbus通訊協定16
2.3.1 Modbus 的由來16
2.3.2 Modbus與PLC的關係17
2.3.3 Modbus與工業40的關係19
第三章、系統方法與架構21
3.1 系統流程與架構21
3.1.1 嵌入式系統21
3.1.2 Arduino22
3.2 分析方法24
3.2.1 心律感測器峰值偵測24
3.2.2 線性回歸(Linear Regression)24
3.2.3 相關係數(Coefficient of correlation)25
3.3 Modbus Protocol實現27
第四章、實驗結果41
4.1 實驗架構與設備說明41
4.1.1 嵌入式系統41
4.1.2 心律感測器43
4.2 資料來源以及前處理44
4.3 Modbus Memory規劃44
4.4 Modbus CRC驗證46
4.5心率量測實驗與結果46
4.6 Modbus通訊實做56
4.6.1 Modbus Poll 環境安裝 57
4.6.2 Modbus Poll 介面介紹 57
4.6.3 Modbus Poll Data Log63
第五章、結論66
5.1 結論66
5.2 未來展望67
參考文獻68

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