Adaptive control of cyclic movements as muscles fatigue using functional neuromuscular stimulation

JoAnne Riess, James Abbas

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

For individuals with spinal cord injuries, functional neuromuscular stimulation (FNS) systems can be used to activate paralyzed muscles in order to restore function, provide exercise, or assist in movement therapy. In previous work, the pattern generator/pattern shaper (PG/PS) adaptive controller was evaluated on subjects with spinal cord injuries and was able to automatically adjust stimulation parameters to account for individual subject differences and system response nonlinearities. In this study, the PG/PS control system was utilized in extended trials. Results indicated that the controller adapted stimulation patterns in an online manner to account for changes in system properties due to fatigue.

Original languageEnglish (US)
Pages (from-to)326-330
Number of pages5
JournalIEEE Transactions on Neural Systems and Rehabilitation Engineering
Volume9
Issue number3
DOIs
StatePublished - 2001
Externally publishedYes

Fingerprint

Muscle Fatigue
Spinal Cord Injuries
Muscle
Fatigue of materials
Controllers
Control nonlinearities
Individuality
Fatigue
Control systems
Muscles
Therapeutics

Keywords

  • Adaptive control
  • Fatigue
  • Feedforward control
  • Functional neuromuscular stimulation (FNS)
  • Neural network
  • Paraplegia

ASJC Scopus subject areas

  • Rehabilitation
  • Biophysics
  • Bioengineering
  • Health Professions(all)

Cite this

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