ICRA'09 Paper Abstract

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Paper FrA12.3

Farris, Ryan (Vanderbilt University), Quintero, Hugo (Vanderbilt University), Withrow, Thomas (Vanderbilt University), Goldfarb, Michael (Vanderbilt University)

Design and Simulation of a Joint-Coupled Orthosis for Regulating FES-Aided Gait

Scheduled for presentation during the Regular Sessions "Rehabilitation Robotics - I" (FrA12), Friday, May 15, 2009, 09:10−09:30, Room: 504

2009 IEEE International Conference on Robotics and Automation, May 12 - 17, 2009, Kobe, Japan

This information is tentative and subject to change. Compiled on January 21, 2022

Keywords Rehabilitation Robotics, Medical Robots and Systems, Physical Human-Robot Interaction

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. A dynamic simulation of an SCI individual using the hybrid approach is described, and the results from the simulation are presented that indicate the promise of the JCO approach.

 

 

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