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Digital myoelectric signal processor with adaptive decision boundaries

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Abstract

A control algorithm which uses time varying decision boundaries rather than the time-invariant boundaries used in analogue control units has been implemented Finite time integration is used to obtain an estimate of the muscle contraction level from the rectified surface myoefectric signal both simulated and real. A sequential decision process combined with the time varying decision boundaries allows state changes to be made before the end of an integration period (100 ms) A five-state controller is tested with the sequential decision rule and two fixed-length decision rules

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Author notes

  1. J. L. Bérubé

    Present address: Department de Genie Electrique, Ecole Polytechnique, Montreal, Quebec, Canada

Authors and Affiliations

  1. Bio-Engineering Institute, University of New Brunswick, PO Box 4400, E3B 5A3, Fredericton, New Brunswick, Canada

    J. L. Bérubé

  2. Department of Electrical Engineering, University of New Brunsick, PO Box 4400, E3B 5A3, Fredercton, New Brunswick, Canada

    P. A. Parker & R. E. Gander

  3. Clinical Engineering Department, Dr Everett Chalmers Hospital, PO Box 9000, Fredencton, New Brunswick, Canada

    V. A. Dunfield

Authors
  1. J. L. Bérubé
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  2. P. A. Parker
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  3. R. E. Gander
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  4. V. A. Dunfield
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Bérubé, J.L., Parker, P.A., Gander, R.E. et al. Digital myoelectric signal processor with adaptive decision boundaries. Med. Biol. Eng. Comput. 22, 349–352 (1984). https://doi.org/10.1007/BF02442105

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  • DOI: https://doi.org/10.1007/BF02442105

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