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

Jo Anne Riess; James J. Abbas

doi:10.1109/7333.948462

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

Jo Anne Riess, James J. Abbas

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

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 language	English (US)
Pages (from-to)	326-330
Number of pages	5
Journal	IEEE Transactions on Neural Systems and Rehabilitation Engineering
Volume	9
Issue number	3
DOIs	https://doi.org/10.1109/7333.948462
State	Published - 2001
Externally published	Yes

Keywords

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

ASJC Scopus subject areas

Internal Medicine
General Neuroscience
Biomedical Engineering

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10.1109/7333.948462

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title = "Adaptive control of cyclic movements as muscles fatigue using functional neuromuscular stimulation",

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.",

keywords = "Adaptive control, Fatigue, Feedforward control, Functional neuromuscular stimulation (FNS), Neural network, Paraplegia",

author = "Riess, {Jo Anne} and Abbas, {James J.}",

note = "Funding Information: Manuscript received July 17, 2000; revised May 10, 2001 and May 30, 2001. This work was supported by the Whitaker Foundation and the Kentucky Spinal Cord and Head Injury Research Trust. J. Riess is with the Center for Biomedical Engineering, University of Kentucky, Lexington, KY 40506-0070 USA (e-mail: jaries0@uky.edu). J. J. Abbas is with the Center for Biomedical Engineering, the Department of Physical Medicine and Rehabilitation, and the Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, KY 40506-0070 USA. Publisher Item Identifier S 1534-4320(01)07304-1.",

year = "2001",

doi = "10.1109/7333.948462",

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AU - Riess, Jo Anne

AU - Abbas, James J.

N1 - Funding Information: Manuscript received July 17, 2000; revised May 10, 2001 and May 30, 2001. This work was supported by the Whitaker Foundation and the Kentucky Spinal Cord and Head Injury Research Trust. J. Riess is with the Center for Biomedical Engineering, University of Kentucky, Lexington, KY 40506-0070 USA (e-mail: jaries0@uky.edu). J. J. Abbas is with the Center for Biomedical Engineering, the Department of Physical Medicine and Rehabilitation, and the Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, KY 40506-0070 USA. Publisher Item Identifier S 1534-4320(01)07304-1.

PY - 2001

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N2 - 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.

AB - 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.

KW - Adaptive control

KW - Fatigue

KW - Feedforward control

KW - Functional neuromuscular stimulation (FNS)

KW - Neural network

KW - Paraplegia

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

Abstract

Keywords

ASJC Scopus subject areas

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