Knee flexion/extension angle estimation using UWB radios
Gait analysis and the construction of a dynamic body model are important not only for biomechanical research, but also for characterizing diseases that affect mobility. Typically, the occurrence of gait abnormalities is due to pain, abnormal range of motion, etc.. Knee joint angle is an ind...
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| 主要作者: | |
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| 其他作者: | |
| 格式: | Final Year Project |
| 語言: | English |
| 出版: |
2013
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| 主題: | |
| 在線閱讀: | http://hdl.handle.net/10356/52623 |
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| 機構: | Nanyang Technological University |
| 語言: | English |
| 總結: | Gait analysis and the construction of a dynamic body model are important not only
for biomechanical research, but also for characterizing diseases that affect mobility.
Typically, the occurrence of gait abnormalities is due to pain, abnormal range of
motion, etc.. Knee joint angle is an index, which can be used to evaluate the effect of
intrinsic and extrinsic factors on the risk of tripping or other potential disease. This
report explores the use of Ultra-Wideband (UWB) to measure the knee joint angle.
In this report, the student will explain some basic concepts on UWB and also provide
some explanation of the experimental process of this project. The student will
demonstrate how the use of peak to peak detection of UWB can also measure the
joint angles during dynamic movements.
The pulse wave captured during the experiment was believed to be similar to
Gaussian pulse wave and its derivatives. Hence it is believed that the wave form
undergoes differentiation every time it passes through an antenna and when moving
in free space.
The experimental results will show that using UWB is highly accurate to measure
joint angles and maybe even better than the goniometer which will be explain further
in the report. |
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