應用於中風後復健之無線慣性量測系統開發與復健成效量化評估方法研究

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姓名

亓恆毅(Heng-i Chi) 查詢紙本館藏

畢業系所

生物醫學工程研究所

論文名稱

應用於中風後復健之無線慣性量測系統開發與復健成效量化評估方法研究

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摘要(中)

傳統的中風後復健評估方式中，臨床上大多使用例如傅格－梅爾評估量表、沃夫動作功能評量、及坦帕手功能量表等李克特量表，傳統評估量表雖已使用多年且評估結果被各界所接受，但由於評估結果多為治療師主觀認定，故評估給分會因治療師而異，且李克特量表是依級距給分，會因為個案狀況介於兩級距間造成給分無法精確描述個案復健成效的情況。
本研究首先利用九軸慣性感測元件及ZigBee無線傳輸模組，發展一套中風後復健評估使用的無線慣性感測系統；然後基於傳統評估量表的評估原則，從手部動作所量測的慣性感測訊號，提取三個顯示復健成效的客觀量化指標；至於量化指標之權重決定，利用中風病患案例肩屈動作所量測慣性感測訊號，參考沃夫動作功能評量分數，以最小平方法經線性迴歸統計而獲得，進而計算個案的客觀評估分數，作為個案復健成效結果。由指標權重可得知三個量化指標在傳統量表評估準則中所佔的重要程度；又客觀評估分數描述個案復健成效，使中風患者能了解上肢復原程度，增加其持續復健的意願。

摘要(英)

In clinical settings, traditional stroke rehabilitation evaluation methods typically include FMA, WMFT, TEMPA, and other Likert-type assessment scales. Although traditional assessment scales have been used for many years and the evaluation results are accepted widely in various fields, they are scored by occupational therapist subjectively, and the variations of assessment results depend on individual directly. Furthermore, Likert scales give scale scores based on numerical ranges. An individual case’s score between two scales may be inaccurate to describe the rehabilitation result.
In this study, first we employ nine-axis inertial measurement unit and ZigBee wireless transmission module to construct a wireless inertial measurement system for stroke rehabilitation evaluation. Then, we acquire inertial signals from upper extremity and extract three significant indicators reflecting rehabilitation performance during stroke patients’ movement exam, i.e. shoulder flexion. As to the decision on the weightings of three indicators, we relate WMFT scores to the significant indicators of stroke patients’ inertial signals measured from shoulder flexion movement, and employ the least squares method through linear regression. Therefore, an individual rehabilitation performance can be obtained by an objective evaluation score. From the indicator weights, we can realize the significant of the three quantitative indicators in traditional evaluation criteria, and can also describe the rehabilitation performance of each patient objectively. The objectively evaluated scores are able to indicate rehabilitation performance, and to enhance the intention of rehabilitation tasks.

關鍵字(中)

★ 慣性感測
★ ZigBee無線傳輸
★ 復健評估
★ 量化評估量表

關鍵字(英)

★ inertial sensing
★ ZigBee wireless transmission
★ rehabilitation evaluation
★ quantitative assessment scale

論文目次

摘要 V
Abstract VI
誌謝 VII
目錄 VIII
圖目錄 X
表目錄 XIII
第一章　緒論 1
1-1　研究動機 1
1-2　文獻回顧 2
1-3　研究範疇 3
第二章　慣性量測元件及無線傳輸模組理論基礎 4
2-1　慣性感測元件 4
2-1-1　加速規(Accelerometer) 4
2-1-2　陀螺儀(Gyroscope) 7
2-1-3　磁力計(Magnetometer) 8
2-2　感測器誤差模型 10
2-2-1　加速規及陀螺儀 10
2-2-2　磁力計 13
2-3　ZigBee無線傳輸系統 17
2-4　人體上肢評估動作運動學推導 17
2-4-1　上肢關節運動簡介 17
2-4-2　上肢動作運動學推導 18
第三章　慣性訊號量測系統及無線傳輸系統 23
3-1　硬體介紹 23
3-1-1　慣性感測模組－MPU-6050 EVB 23
3-1-2　嵌入式訊號整合控制模組－SIOC 25
3-1-3　無線傳輸模組－XBee 26
3-1-4　感測器外觀 27
3-2　訊號調節 28
3-2-1　通訊協定與資料傳輸實現 28
3-2-2　訊號前處理 32
3-3　顯示元件 40
第四章　中風後復健成效評估系統 42
4-1　實驗設計 42
4-2　傳統評估方法 44
4-3　客觀量化評估方法 45
4-3-1　理想運動分析 45
4-3-2　量化指標 48
4-4　實驗結果與個案討論 52
4-4-1　肘屈 53
4-4-2　肩外展 56
4-5　收案統計 60
第五章　結論與展望 65
參考文獻 66
附錄A 69
附錄B 71

參考文獻

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指導教授

潘敏俊(Min-chun Pan)

審核日期

2013-8-16

推文