進階搜尋


 
系統識別號 U0026-0812200915165242
論文名稱(中文) 以末稍血流及心率變異率來評估精神壓力程度之研究
論文名稱(英文) Evaluation of Mental Stress Levels Using the Peripherial Blood Flow and the Heart Rate Variability
校院名稱 成功大學
系所名稱(中) 電機工程學系碩博士班
系所名稱(英) Department of Electrical Engineering
學年度 97
學期 2
出版年 98
研究生(中文) 劉昇奇
研究生(英文) Sheng-Ci Liou
學號 n2696183
學位類別 碩士
語文別 中文
論文頁數 88頁
口試委員 口試委員-李彥杰
指導教授-楊明興
口試委員-廖斌毅
中文關鍵字 LabVIEW  末梢血流  心率變異率  壓力 
英文關鍵字 Mental Stress  Peripheral Blood Flow  Heart Rate Variability  LabVIEW 
學科別分類
中文摘要 在今日這種高速遽變性、高競爭性的大環境下,鮮少有人不被壓力所苦。根據美國醫學學會(American Medical Association, AMA)的估計,約有75%的疾病是由壓力(stress)所引起。因此當一個現代人,學習對於壓力的管理,如預測、避免與減少壓力源,是日常生活中不可或缺的知識。

本研究目的為利用末梢血流(PPG) 與心率變異率(HRV)來評估潛在的心理壓力程度。利用壓力量表將十五位健康的受測者初步分成無壓力族群、中間可疑族群及有壓力族群。實驗結果顯示有壓力的族群有比較高的心率及較高的超低頻變異率(VLF)與較低的第五諧波頻譜,而健康族群在接受刺激後所有的生理參數都可以在十分鐘後恢復到刺激前的程度。
英文摘要 Few people do not suffer from mental stress in this high variant and competitive environment of the present day. About 75% diseases are caused by the mental stress from the American Medical Association (AMA) estimated statistics. Thus, learning how to forecast, avoid and reduce the stress source for the modern people is an indispensable technique in daily life.

The purpose of this study was to evaluate the potential mental stress level using the harmonic spectra of the peripherial blood flow and the heart rate variability (HRV). Fifteen healthy participants were classified into three groups: highly stressed (HS) individuals, moderately stressed (MS) individuals, and healthy controls based on the stress forms. The HS individuals showed higher heart-beat rate, higher VLF (very low-frequency power) values of the HRV and lower 5th (C5) pulse harmonic than the control. The results also showed that all physiological signals of the control recovered to nearly the same values as before the mental stress test over a ten-minute rest.
論文目次 中文摘要 ••••••••••• I
英文摘要 ••••••••••••••• II
致謝 ••••••••••••• III
目錄 •••••••••••• IV
表目錄 •••••••• VIII
圖目錄 •••••••••••• IX
第一章 緒論
1-1 研究動機與目的••••••••••••••••••1
1-2 文獻探討 ••••••••••••••••••••••••••••2
1-2-1 壓力•••••••2
1-2-2 末梢血流•••••••••••••••••3
1-2-3 心率變異率•••••••••••••••••••••4
1-3 章節提要 ••••••••••••••••••••••••••••••••••5
1-4 研究架構與流程••••••••••••••••••••••6
第二章 系統原理
2-1 末梢血流概論•••••••••••••••••••••••••7
2-1-1 生理意義•••••••••••••••••••••••••7
2-1-2 末梢血流波形•••••••••••••••9
2-1-3 測量原理••••••••••••••••••••10
2-2 心電圖概論••••••••••••••••••••••••••••••11
2-2-1 生理意義••••••••••••••••••••••11
2-2-2 心電信號形成原理•••••••••••••••••••••••••••••••11
2-2-3 心電圖波形••••••••••••••••••12
2-2-4 心率變異原理•••••••••••••13
2-2-5 HRV時域分析•••••••••••••14
2-2-6 HRV頻域分析•••••••••••••15
第三章 系統架構與設計
3-1 生理訊號量測方式與量測位置•••••••••••••••••••••••17
3-1-1 末梢血流量測•••••••••••17
3-1-2 心電圖量測•••••••••••••••••••••••••••••••••••••••••19
3-2 生理訊號量測電路••••••••••••••••20
3-2-1 末梢血流量測電路•••••••20
3-2-1-1 感測器•••••••••••••••21
3-2-1-2 前級放大器(Pre-Amplifier) •••••••••••••••••••••••••••••••••••••••22
3-2-1-3 非反相放大器(Non-Inverter Amplifier) •••••••••••••••••••••24
3-2-1-4 低通濾波器(Low-Pass Filter) ••••••••••••••••••••••••••••••••••••25
3-2-1-5 帶拒濾波器(Notch -Filter) ••••••••••••••••••••••••••••••••••••••••26
3-2-2 心電圖量測電路••••••••••••••••••••••••••••••••••••••••26
3-2-2-1 感測器•••••••••••••••27
3-2-2-2 前級放大器•••••••••28
3-2-2-3 低通濾波器(Low-Pass Filter) •••••••••••28
3-2-2-4 高通濾波器(High-Pass Filter) •••••••••29
3-2-2-5 後級放大器•••••••••••30
3-3 電源供應電路•••••••••••••••••••••••••31
3-4 資料擷取卡••••••••31
3-5 資料傳送與分析系統••••••••••32
3-5-1 LabVIEW 軟體簡介••••••32
3-5-2 生理訊號資料擷取與儲存•••••••••••••••••33
3-5-3 末梢血流分析••••••••••34
3-5-4 心電圖之心率變異度分析••••••••••••••••••••••35
第四章 實驗方法與結果
4-1 末梢血流量測電路測試••••••••37
4-2 心電圖量測電路測試••••••••••37
4-3 訊號儲存測試••••••••••••••••••••••••38
4-4 末梢血流訊號量測模組•••••••39
4-5 心電圖訊號量測模組•••••••••••39
4-6 實驗系統架構•••••••••••••••••••••••••••••40
4-6-1 實驗量表介紹•••••••••••41
4-6-2 心理刺激•••••••••••••••••••41
4-7 研究問題•••••••••••••••••••••••••••••••••42
4-8 實驗方法與步驟••••••••••••••••••••42
4-8-1 實驗步驟如下說明•••••••43
4-9 實驗結果••••••••44
4-9-1 研究問題一••••••••••••••••44
4-9-2 研究問題二•••••••••••••••50
4-9-3 研究問題三•••••••••••••••••56
4-9-4 研究問題四••••••••••••••••••61
第五章 討論
5-1 實驗結果討論 ••••••••••••••••••••••68
5-2 系統設計貢獻•••••••••••••••••••••69
5-3 系統問題討論•••••••••••••••••••••69
第六章 結論與未來展望
6-1 系統設計之貢獻••••••••••••••••••71
6-2 未來展望••••••••••••••••••••••••••••••••71
參考文獻••••••••••••72
附錄 A.......................78
附錄 C•••••••••••••••••••79
附錄 D••••••••••••••••••80
附錄 E•••••••••••••••••81
附錄 F ••••••••••••••••83
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