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研究生: 張鈞翔
Chang, Chun-Hsiang
論文名稱: 由無線通道狀態資訊商模型理論到量化人體手部動作
From WiFi CSI-Ratio Model Theory to Quantifying Hand Motions
指導教授: 林啟倫
Lin, Chi-Lun
學位類別: 碩士
Master
系所名稱: 工學院 - 機械工程學系
Department of Mechanical Engineering
論文出版年: 2024
畢業學年度: 112
語文別: 中文
論文頁數: 74
中文關鍵詞: Wi-Fi感測技術 、通道狀態資訊 、巴金森氏症 、手指拍打
外文關鍵詞: wireless sensor network, Channel State Information, Parkinson's Disease, hand movement
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  • 巴金森氏症是繼阿茲海默症之後,盛行率第二高的神經退化性疾病。其中手部症狀會影響患者的精細動作,並導致其心理壓力及社交障礙。而在MDS-UPDRS量表中以手部敲擊測試評估患者的運動功能和手部精細動作的速度與靈活性。而過往的文獻也提到手部敲擊測試有助於早期診斷巴金森氏症,因此也對手部的動作距離、動作速度等各項物理參數進行量化並分析。然而以無線感測技術對巴金森氏症手部運動症狀量化的研究仍寥寥無幾。
    本研究透過通道狀態資訊商模型開啟以相位進行巴金森氏症患者手指拍打測試的手指距離量化方式,目標為穩定的偵測手指拍打動做的動作時長、動作次數及手指開合距離,以鐵板實驗模擬手指拍打運動情況並探討空間中通道狀態資訊的變化模式。在視距為2公尺,動作距離視距1公尺時,平均動作次數準確率可達99.44%,平均動作方向正確率達98.33%,平均手指輕敲動作時長準確率達89.27%,平均手指開合距離準確率達82.45%。
    研究的目的是希望能在臨床或居家的環境中實現無接觸且高效的病情評估方法,為醫療健康監測領域提供新的技術支持,以此增進巴金森氏症病患的健康福祉。

    Second only to Alzheimer's in prevalence, Parkinson's disease is a progressive neurodegenerative disorder that primarily affects fine motor skills in the hands, leading to psychological stress and social impairment. The MDS-UPDRS scale includes a hand tapping test to evaluate motor functions and the dexterity and speed of hand movements. Previous studies have indicated that this test is instrumental in the early diagnosis of Parkinson's by quantifying physical parameters such as movement distance and speed. However, research on quantifying Parkinson's hand motion symptoms using wireless sensing technology remains limited. This study introduces a novel method using Channel State Information (CSI) phase models to quantify the distance of finger tapping motions in Parkinson's patients. The aim is to stably detect the duration, frequency, and amplitude of finger tapping movements. Using a steel plate simulation to mimic finger tapping, the study observes changes in CSI within a space. The results demonstrate high accuracy rates at a 2-meter line-of-sight distance, with 99.44% accuracy for average motion frequency, 98.33% accuracy for motion direction, 89.27% accuracy for tapping duration, and 82.45% accuracy for finger opening and closing distances.
    The objective of this research is to develop a non-contact, efficient assessment method that can be implemented in clinical or home settings, thereby providing new technical support in the medical monitoring field with the aim of enhancing the wellbeing of Parkinson's patients.

    摘要 ii Extended Abstract iii 誌謝 xvi 目錄 xvii 表目錄 xx 圖目錄 xxi 第一章 緒論 1 1.1 研究背景 1 1.1.1 巴金森氏症簡介 1 1.1.2 巴金森氏症的診斷與治療 1 1.1.3 評估與追蹤巴金森氏症病情的挑戰 3 1.2 無線感測技術用於動作量化與分析簡介 4 1.3 研究目的 . 5 第二章 文獻回顧 6 2.1 巴金森氏症輔助評估技術文獻回顧 6 2.2 基於通道狀態資訊感測技術文獻回顧 7 2.3 基於通道狀態資訊之微小動作分析文獻搜索策略 8 第三章 研究方法 12 3.1 通道狀態資訊 12 3.2 菲涅耳場模型 13 3.3 通道狀態資訊商模型 14 3.4 訊號前處理 15 3.4.1 通道狀態資訊商 15 3.4.2 帶通濾波器 16 3.4.3 主成分分析 17 3.4.4 訊號平滑化 17 3.5 動作量化原理 18 3.5.1 次數及頻率估計 19 3.5.2 距離估計 20 3.6 驗證工具 21 第四章 實驗方法 23 4.1 實驗設備與設定 23 4.2 單鐵板位移實驗 24 4.3 小型鐵板旋轉運動實驗 25 4.4 雙鐵板開合運動實驗 25 4.5 手指拍打運動實驗 26 4.5.1 LoS及Action point距離測試 27 4.5.2 對於不同人體測試 27 4.6 誤差計算方式 27 第五章 實驗結果 29 5.1 單鐵板位移實驗結果 29 5.2 小型鐵板旋轉運動實驗結果 31 5.3 雙鐵板開合運動實驗結果 33 5.4 手指拍打運動實驗結果 34 5.4.1 LoS及Action point距離測試結果 34 5.4.2 對於不同人體測試 35 第六章 討論 38 6.1 單鐵板位移實驗結果 38 6.2 雙鐵板開合運動實驗 40 6.3 手指拍打運動實驗結果 40 6.4 限制 42 第七章 結論與未來研究方向 44 7.1 研究結論 44 7.2 未來研究方向 44 參考文獻 47

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