Closing the loop between body compensations and upper-limb prosthetic movements: a feasibility study (bibtex)
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Bibtex Entry:
@Article{2021ACLI4881,
  author      = {Legrand, Mathilde and Jarrassé, Nathanael and de Montalivet, Etienne and Richer, Florian and Morel, Guillaume},
  title       = {{Closing the loop between body compensations and upper-limb prosthetic movements: a feasibility study}},
  journal     = {{IEEE Transactions on Medical Robotics and Bionics}},
  year        = {2021},
  volume      = {3},
  pages       = {230-240},
  month       = Jan,
  abstract    = {To control the robotic joints of an upper limb prosthesis, most existing approaches rely on decoding the user motor intention from electrophysiological signals produced by the subject, and then executing the desired movement. This suffers from important limitations and requires extended training, particularly when a large number of prosthetic joints have to be controlled. Even when they master the control of their prosthesis, many amputees underuse the prosthetic mobility to the benefit of compensatory body movements, whose generation is less expensive and more natural from a cognitive point of view. Indeed, with an arm prosthesis, hand movements result from a combination of human and robotic joint motions. We propose in this paper to use these compensatory motions as an error signal to servo the robotic controller. This approach thus creates a coupling between body compensations and prosthetic movements. To study the feasibility of such a coupling, the concept is tested with ten able-bodied subjects wearing an emulated elbow prosthesis and one congenital arm amputee. The results validate the concept, which allows naive subjects to control the prosthetic joint with no or very short training period.
},
  category    = {ACLI},
  crac        = {n},
  doi         = {10.1109/TMRB.2020.3048251},
  file        = {:http\://www.isir.upmc.fr/files/2021ACLI4881.pdf:PDF;:http\://www.n-jarrasse.fr/publis_medias/2021ACLI4881.jpg:JPG image;:http\://www.n-jarrasse.fr/publis_medias/2021ACLI4881.mp4:URL},
  hal         = {y},
  hal_id      = {hal-03099461},
  hal_version = {v1},
  issue       = {1},
  publisher   = {{IEEE}},
}
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