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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Farris, R.J. Quintero, H.A. Withrow, T.J. Goldfarb, M. |
| Copyright Year | 2009 |
| Description | Author affiliation: Vanderbilt University, Nashville, TN 37235 USA (Farris, R.J.; Quintero, H.A.; Withrow, T.J.; Goldfarb, M.) |
| Abstract | A hybrid functional electrical stimulation (FES)/orthosis system is being developed which combines two channels of (surface-electrode-based) electrical stimulation with a computer-controlled orthosis for the purpose of restoring gait to spinal cord injured (SCI) individuals (albeit with a stability aid, such as a walker). The orthosis is an energetically passive, controllable device which 1) unidirectionally couples hip to knee flexion; 2) aids hip and knee flexion with a spring assist; and 3) incorporates sensors and modulated friction brakes, which are used in conjunction with electrical stimulation for the feedback control of joint (and therefore limb) trajectories. This paper describes the hybrid FES approach and the design of the joint coupled orthosis. Preliminary experiments are presented which test the joint coupling concept and assess the extent of quadriceps fatigue imposed by the bias spring and joint coupling. |
| Starting Page | 246 |
| Ending Page | 252 |
| File Size | 1325172 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781424437887 |
| ISSN | 19457898 |
| DOI | 10.1109/ICORR.2009.5209623 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-06-23 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Knee Spinal cord Stability Friction Electrical stimulation Feedback control Neuromuscular stimulation Springs Hip Testing |
| Content Type | Text |
| Resource Type | Article |
| Subject | Rehabilitation Control and Systems Engineering Electrical and Electronic Engineering |
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