A Two-Axis Goniometric Sensor for Tracking Finger Motion
AbstractThe study of finger kinematics has developed into an important research area. Various hand tracking systems are currently available; however, they all have limited functionality. Generally, the most commonly adopted sensors are limited to measurements with one degree of freedom, i.e., flexion/extension of fingers. More advanced measurements including finger abduction, adduction, and circumduction are much more difficult to achieve. To overcome these limitations, we propose a two-axis 3D printed optical sensor with a compact configuration for tracking finger motion. Based on Malus’ law, this sensor detects the angular changes by analyzing the attenuation of light transmitted through polarizing film. The sensor consists of two orthogonal axes each containing two pathways. The two readings from each axis are fused using a weighted average approach, enabling a measurement range up to 180
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Wang, L.; Meydan, T.; Williams, P.I. A Two-Axis Goniometric Sensor for Tracking Finger Motion. Sensors 2017, 17, 770.
Wang L, Meydan T, Williams PI. A Two-Axis Goniometric Sensor for Tracking Finger Motion. Sensors. 2017; 17(4):770.Chicago/Turabian Style
Wang, Lefan; Meydan, Turgut; Williams, Paul I. 2017. "A Two-Axis Goniometric Sensor for Tracking Finger Motion." Sensors 17, no. 4: 770.