Hyperstaticity for Ergonomic Design of a Wrist Exoskeleton (bibtex)
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Bibtex Entry:
  Title                    = {Hyperstaticity for Ergonomic Design of a Wrist Exoskeleton},
  Author                   = {Esmaeili, M and Jarrassé, N and Dailey, W and Burdet, E and Campolo, D},
  Booktitle                = {Proceedings of the 13th International Conference on Rehabilitation Robotics (ICORR)},
  Year                     = {2013},
  Pages                    = {1-6},

  Abstract                 = {Increasing the level of transparency in rehabilitation devices has been one of the main goals in robot-aided neurorehabilitation for the past two decades. This issue is particularly important to robotic structures that mimic the human counterpart's morphology and attach directly to the limb. Problems arise for complex joints such as the human wrist, which cannot be accurately matched with a traditional mechanical joint. In such cases, mechanical differences between human and robotic joint cause hyperstaticity (i.e. overconstraint) which, coupled with kinematic misalignments, leads to uncontrolled force/torque at the joint. This paper focuses on the prono-supination (PS) degree of freedom of the forearm. The overall force and torque in the wrist PS rotation is quantified by means of a wrist robot. A practical solution to avoid hyperstaticity and reduce the level of undesired force/torque in the wrist is presented, which is shown to reduce 75% of the force and 68% of the torque.},
  Category                 = {ACTIS},
  Doi                      = {10.1109/ICORR.2013.6650417},
  File                     = {:http\://www.isir.upmc.fr/files/2013ACTI2841.pdf:PDF;:http\://www.n-jarrasse.fr/publis_medias/2013ACTI2841.jpg:JPG image}
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