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研究生(外文):Chen-Yu Wang
論文名稱(外文):Monitoring Head and Spine Posture of Smartphone Users Based on Wearable Devices
外文關鍵詞:Text NeckNeck AngleSpine PostureInertial Measurement UnitsSmartphone
  • 被引用被引用:2
  • 點閱點閱:311
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  • 收藏至我的研究室書目清單書目收藏:0
近年來智慧型手機對大眾的影響甚鉅,不僅手機持有率上大幅上升,民眾使用智慧型手機的時間也大幅增加,日常生活中「低頭族」隨處可見。然而多數人使用智慧型手機的不良姿勢容易導致肩、頸和背部相關的痠痛與疾病。因此本研究藉由在頭部與背部放置數個慣性感測器,藉以量測胸椎和頸椎角度。同時也提出了 “姿勢監測演算法”,利用慣性感測器量取之角度監測使用者的姿勢。並希望未來能將其實際應用在手機上,達到監測不良姿勢與提醒的效用。
In recent decade, smartphone has a great influence on human’s life. Smartphone ownership grows at a skyrocketing speed, and people spending more and more time on using smartphone every day. But the poor posture and overusing of smartphone can easily cause neck pain. There’s also a new term called ‘text neck’, which means bending neck forward for a long period of time or too frequently. There’s several study shows that neck flexion leads to neck pain. In this paper, we propose a wearable device and a posture monitoring algorithm, based on the inertial measurement units mounted on top of the head and upper back. By this, we can monitor user’s neck and spine posture. In the future, we look forward to implement the system on smartphone, in order to monitor posture in daily life.
In the first experiment, we will discuss about the relationship between phone tilting angle and neck and spine posture. Unexpectedly, we found out that phone tilting angle has no correlation with single user’s neck angle and thoracic angle. In the next experiment, we evaluate our algorithm between IMU and Vicon data. Moreover, we discover some important conclusions. For example, the height of the smartphone is the major factor affecting human posture. Otherwise, neck angle has relation with thoracic angle, which means bending head forward can affect thoracic angle.
口試委員會審訂書 i
誌謝 ii
中文摘要 iii
Chapter 1 Introduction 1
Chapter 2 Related Work 4
2.1 Monitoring Spine Posture 4
2.2 Measurement of Neck Angle 5
Chapter 3 System Overview 7
3.1 Hardware Device 7
3.1.1 Inertial Measurement Units Specification and Validation 7
3.1.2 Orientation Measurement Algorithm 8
3.2 Design of Wearable Device 9
3.3 Posture Monitoring Algorithm 12
Chapter 4 Relationship between Phone Tilting Angle and Neck and Spine Posture 14
4.1 Design of Experiment 1 14
4.2 Results 16
Chapter 5 Evaluation of Posture Monitoring Algorithm 24
5.1 Design of Experiment 2 24
5.2 Results 27
Chapter 6 Conclusion and Future Work 32
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