Control of a powered prosthetic device via a pinch gesture interface

Oguz Yetkin; Kristi Wallace; Joseph D. Sanford; Dan O. Popa

doi:10.1117/12.2177449

18 June 2015 Control of a powered prosthetic device via a pinch gesture interface

Oguz Yetkin, Kristi Wallace, Joseph D. Sanford, Dan O. Popa

Author Affiliations +

Proceedings Volume 9494, Next-Generation Robotics II; and Machine Intelligence and Bio-inspired Computation: Theory and Applications IX; 94940I (2015) https://doi.org/10.1117/12.2177449
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

A novel system is presented to control a powered prosthetic device using a gesture tracking system worn on a user’s sound hand in order to detect different grasp patterns. Experiments are presented with two different gesture tracking systems: one comprised of Conductive Thimbles worn on each finger (Conductive Thimble system), and another comprised of a glove which leaves the fingers free (Conductive Glove system). Timing tests were performed on the selection and execution of two grasp patterns using the Conductive Thimble system and the iPhone app provided by the manufacturer. A modified Box and Blocks test was performed using Conductive Glove system and the iPhone app provided by Touch Bionics. The best prosthetic device performance is reported with the developed Conductive Glove system in this test. Results show that these low encumbrance gesture-based wearable systems for selecting grasp patterns may provide a viable alternative to EMG and other prosthetic control modalities, especially for new prosthetic users who are not trained in using EMG signals.

Citation Download Citation

Oguz Yetkin, Kristi Wallace, Joseph D. Sanford, and Dan O. Popa "Control of a powered prosthetic device via a pinch gesture interface", Proc. SPIE 9494, Next-Generation Robotics II; and Machine Intelligence and Bio-inspired Computation: Theory and Applications IX, 94940I (18 June 2015); https://doi.org/10.1117/12.2177449

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