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Active Tremor Estimation and Suppression in Human Elbow Joint

[+] Author Affiliations
Behzad Taheri, David Case, Edmond Richer

Southern Methodist University, Dallas, TX

Paper No. DSCC2011-6185, pp. 115-120; 6 pages
doi:10.1115/DSCC2011-6185
From:
  • ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control
  • ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control, Volume 2
  • Arlington, Virginia, USA, October 31–November 2, 2011
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 978-0-7918-5476-1
  • Copyright © 2011 by ASME

abstract

A new control algorithm was developed for tremor estimation and suppression in a second order linear model of the human elbow joint. An adaptive method developed to estimate a simple harmonic disturbance was generalized for tremorous motion with spectral composition similar to the clinical reports for action tremor. Numerical simulations showed the ability of proposed controller to reduce tremor amplitude without generating significant resistance against voluntary motion of the arm. The designed algorithm can be used in an upper-limb orthosis to suppress debilitating tremorous motion of the arm.

Copyright © 2011 by ASME
Topics: Human elbow

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