Self-Compensating Angle Estimation Algorithms for Quantitative Evaluation of Gait Kinematics in Physiotherapy
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Fulltext not available
Embargo Lift Date
2027-05-19
Date
2024Supervisor
Kiing Wong
Yi Chiew Han
Type
Thesis
Award
PhD
Metadata
Show full item recordFaculty
Curtin Malaysia
School
Curtin Malaysia
Collection
Abstract
This thesis presents the “easyWearable Gait Monitor,” an IMU-based system with a low-cost microcontroller for physiotherapy tracking. It incorporates proposed algorithms, including a novel gyroscope-based flexion/extension angle estimation with 99.2% CORR, and an accelerometer-based vertical offset correction method with 96.4% CORR. A yaw-tilt correction method with 97.8% accuracy to overcome sensor misplacement for global abduction/adduction angle estimation is also proposed. All algorithms are validated against a low-cost marker-based MoCap system with low RMSE of 0.83°.
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