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研究生:林弘翊
研究生(外文):Hong-Yi Lin
論文名稱:人體全身震動量測系統與分析
論文名稱(外文):Measurement system and quantitative analysis of total body vibration in humans
指導教授:楊明興楊明興引用關係
指導教授(外文):Ming-Shing Young
學位類別:碩士
校院名稱:國立成功大學
系所名稱:電機工程學系碩博士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2008
畢業學年度:96
語文別:中文
論文頁數:53
中文關鍵詞:全身震動震動量測傳導
外文關鍵詞:whole-Body Vibrationvibration measurementtransmission
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全身震動器已被廣泛地運用在增強肌肉、復健、減肥等不同層面的用途。最近的研究發現,全身震動法(Whole-Body Vibration, WBV)是個有效的復健方法,特別是科學上數據顯示WBV可以用來強化肌肉肌力。過去研究已做了針對於身體表現的全身震動試驗,發現人體震動的傳導與人體肌肉骨骼系統的結構有關,特別是關節勁度(joint stiffness)佔有相當重要的角色,尤其是下肢關節勁度的強弱與其轉換函數特徵,直接影響由腳底傳到身體各部位震動大小與頻率響應。
本研究主要是建立一套震動量測系統,利用加速度計安置在人體各個相關位置,來量測腳底接受不同頻率之全身震動刺激時,身體各相關位置之加速度變化並將其送入電腦,且以軟體來進行分析。
除系統建置之外,本研究為瞭解此震動量測系統的應用性,特就正常成年人與半邊癱瘓之中風病患為對象,初步探討不同頻率之全身震動刺激在正常人下肢與軀幹的傳導反應,並利用RMS值、相關性、傳遞性及對稱性等四個參數做評估。
從實驗數據可看出,利用震動刺激來比較患側肢體與健側肢體傳導之對稱性與差異的情形,觀察中風病患未穿戴副木和穿戴副木後來做比較,可得到踝部加上副木後其震動量明顯降低、相關性不明顯、傳遞性衰減等結果。
In recent years, Whole-Body Vibration have been widely used in strengthen muscle, rehabiltation, reduce weight … etc. Recent research also showed that total body vibration method (WBV) is a valuable therapeutic tools for rehabilitation purpose, especially for muscle strengthening.
Many WBV researches have been conducted, validating that transmission of vibratory wave in human body is related to the structure of musculoskeleton system, particularly stiffness and transfer function of a joint. Both determine the resultant amplitude of spectral response of vibratory wave in the limb segments, as WBV is applied in the foot sole.
The aim of this study was to set up a measurement system of WBV. High-sensitivity accelerometers were placed in specific areas of body to obtain segment vibration across various frequency ranges for further quantitative analysis in PC using custom-made software. In addition to system setup and application, the present study examined transmission of vibratory waves in the lower extremity and trunk of the healthy adults and patients with post-stroke hemiparesis to made assessment with four parameters of RMS, Correlation, Transmission, Symmetric.
Accounting to data from experiment, the comparison between the affected and sound sides of the lower limb before and after wearing an ankle splint on the affected side was made. The results showed that the post-stroke hemiparesis wearing ankle splint will get less vibration, unobvious correlation and diminished transmission.
中文摘要 ................................................ I
Abstract ............................................... II
誌謝 ................................................... IV
目錄 .................................................... V
表目錄 ............................................... VIII
圖目錄 ................................................. IX
第一章
1-1 研究動機 ............................................ 1
1-2 文獻探討 ............................................ 2
1-2-1 震動強化訓練 ...................................... 2
1-2-2 全身震動傳導 ...................................... 3
第二章 系統設計 ......................................... 5
2-1 硬體方面系統架構圖 .................................. 6
2-1-1 電源供應器 ........................................ 6
2-1-2 濾波電路 .......................................... 6
2-1-2-1 高通濾波 ........................................ 8
2-1-2-2 低通濾波 ........................................ 8
2-1-3加速規模組 ......................................... 9
2-2 資料擷取介面 ....................................... 10
2-2-1 差動或非參考源量測系統 ........................... 10
2-2-2 單端接地參考量測系統 ............................. 11
2-2-3 系統的架設 ....................................... 14
2-3 軟體設計及分析 ..................................... 17
2-3-1 軟體及訊號分析架構圖 ............................. 17
2-3-2 訊號的處理 ....................................... 18
2-3-3 訊號處理的程式撰寫 ............................... 20
2-4 分析參數 ........................................... 22
2-4-1 均方根值(rms) .................................... 22
2-4-2 相關性(Correlation) ............................. 23
2-4-3 傳導因素(Transmission Factor) .................... 24
2-4-4 對稱性(Symmetric) ................................ 25
2-4-5 程式碼區塊說明 ................................... 25
2-4-6 數值的呈現 ....................................... 26
第三章 系統的使用及測試 ................................ 27
3-1系統的外觀 .......................................... 27
3-2 加速度計外觀 ....................................... 28
3-3 加速規輸出波形...................................... 29
3-4 使用方向 ........................................... 27
第四章 實驗步驟 ........................................ 30
4-1 副木的簡介 ......................................... 30
4-2 實驗器材及地點 ..................................... 31
4-3 全身震動的操作定義 ................................. 32
4-4 量測條件 ........................................... 34
4-5 實驗的進行 ......................................... 34
第五章 實驗結果與分析 ................................. 36
5-1 正常人分析 ......................................... 37
5-2 中風病人分析 ....................................... 41
第六章 討論 ........................................... 46
第七章 結論 ............................................ 48
第八章 參考文獻 ........................................ 49
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