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    Self-Compensating Angle Estimation Algorithms for Quantitative Evaluation of Gait Kinematics in Physiotherapy

    Access Status
    Fulltext not available
    Embargo Lift Date
    2027-05-19
    Authors
    Siaw, Teck Ung
    Date
    2024
    Supervisor
    Kiing Wong
    Yi Chiew Han
    Type
    Thesis
    Award
    PhD
    
    Metadata
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    Faculty
    Curtin Malaysia
    School
    Curtin Malaysia
    URI
    http://hdl.handle.net/20.500.11937/97831
    Collection
    • Curtin Theses
    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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