Validation Testing of Multiple IMUs as Sensors of Joint Angles

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CASEY-UNDERGRADUATERESEARCHOPTIONTHESIS-2021.pdf (7.31 MB)
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Casey, Ryan T.
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Wallace H. Coulter Department of Biomedical Engineering
The joint Georgia Tech and Emory department was established in 1997
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Undergraduate Scholarship
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http://hdl.handle.net/1853/66263
Abstract
Hip flexion angles were measured on a subject for both walking and sprinting trials using two different IMUs: Microstrain’s IMU and Adafruit’s BNO055 IMU. These measurements were compared against measurements simultaneously gathered by a Vicon motion capture system. For the walking trials, the overall RMSE for the Microstrain IMU was 24.82° and the overall RMSE for the BNO IMU was 29.53°. For the sprinting trials, the overall RMSE, phase shift, and shifted RMSE of the Microstrain IMU were 13.51°, 0.0284 seconds, and 13.55°, respectively. Likewise, for the BNO IMU, the overall RMSE, phase shift, and shifted RMSE were 16.48°, 0.0489 seconds, and 15.15°, respectively.
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2021-12
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Undergraduate Thesis
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