Applied Bionics and Biomechanics / 2016 / Article / Tab 7

Research Article

Optical Enhancement of Exoskeleton-Based Estimation of Glenohumeral Angles

Table 7

Contributions of this paper w.r.t. comparable works.

WorkMethodMethod evaluationAccuracy of GH joint angles

[20]IK-based swivel angle estimation() Studied angles: swivel angle plus the shoulder, elbow, and wrist joint angles
() Reference angles: obtained from custom-made inertial MOCAP; homologation-calibration of the readings is not reported
() Movements: compound movements
() Sensitivity analysis: no
Mean RMSE: 4.8 deg. (best-case scenario)

This paperHybrid exoskeleton-optical MOCAP() Studied angles: shoulder angles
() Reference angles: simulated
() Movements: 1-DOF and multi-DOF shoulder movements
() Sensitivity analysis: method accuracy w.r.t. marker position errors produced by marker drift or calibration errors
(a) Mean RMSE: 0.9 deg. (assuming no marker drift or calibration errors)
(b) Mean RMSE: 3.6 deg. (with marker drift or calibration errors up to 20 mm)

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