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Proprioceptive Sonomyographic Control: A novel method of intuitive proportional control of multiple degrees of freedom for upper-extremity amputees

Published on 2018in bioRxiv
· DOI :10.1101/387290
Ananya S. Dhawan (GMU: George Mason University), Biswarup Mukherjee3
Estimated H-index: 3
(GMU: George Mason University)
+ 6 AuthorsSiddhartha Sikdar16
Estimated H-index: 16
(GMU: George Mason University)
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Abstract
Technological advances in multi-articulated prosthetic hands have outpaced the methods available to amputees to intuitively control these devices. Amputees often cite difficulty of use as a key contributing factor for abandoning their prosthesis, creating a pressing need for improved control technology. A major challenge of traditional myoelectric control strategies using surface electromyography electrodes has been the difficulty in achieving intuitive and robust proportional control of multiple degrees of freedom. In this paper, we describe a new control method, proprioceptive sonomyographic control that overcomes several limitations of myoelectric control. In sonomyography, muscle mechanical deformation is sensed using ultrasound, as compared to electrical activation, and therefore the resulting control signals can directly control the position of the end effector. Compared to myoelectric control which controls the velocity of the end-effector device, sonomyographic control is more congruent with residual proprioception in the residual limb. We tested our approach with 5 upper-extremity amputees and able-bodied subjects using a virtual target achievement and holding task. Amputees and able-bodied participants demonstrated the ability to achieve positional control for 5 degrees of freedom with an hour of training. Our results demonstrate the potential of proprioceptive sonomyographic control for intuitive dexterous control of multiarticulated prostheses.
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References60
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#2He Huang (UNC: University of North Carolina at Chapel Hill)H-Index: 21
Last.Nancy Wolk (UNC: University of North Carolina at Chapel Hill)H-Index: 1
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#2Ananya S. Dhawan (GMU: George Mason University)
Last.Siddhartha Sikdar (GMU: George Mason University)H-Index: 16
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#1Elizabeth Tarbox (GMU: George Mason University)H-Index: 1
#2Nima Akhlaghi (GMU: George Mason University)H-Index: 3
Last.Siddhartha Sikdar (GMU: George Mason University)H-Index: 16
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Dec 1, 2016 in EMBC (International Conference of the IEEE Engineering in Medicine and Biology Society)
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Aug 1, 2016 in EMBC (International Conference of the IEEE Engineering in Medicine and Biology Society)
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Last.Siddhartha Sikdar (GMU: George Mason University)H-Index: 16
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#1Sebastian Amsuess (GAU: University of Göttingen)H-Index: 7
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#1Shriniwas Patwardhan (UCSB: University of California, Santa Barbara)
#2Ananya S. Dhawan (GMU: George Mason University)
Last.Siddhartha Sikdar (GMU: George Mason University)H-Index: 16
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