FES-Assisted Walking with Spring Brake Orthosis: Simulation Studies
نویسندگان
چکیده
منابع مشابه
Design of a controlled-brake orthosis for FES-aided gait.
Functional electrical stimulation (FES) is a means of restoring gait to individuals with spinal cord injury, but the performance of most FES-aided gait systems is hampered by the rapid muscle fatigue which results from stimulated muscle contraction and the inadequate control of joint torques necessary to produce desired limb trajectories. The controlled-brake orthosis (CBO) addresses these limi...
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A hybrid system including trunk-hip-knee-anklefoot (THKAFO) orthosis and multi-channel functional electrical stimulation with implanted electrodes has been designed for walking in paraplegia. The THKAFO has been instrumented with commercially available spring wrap clutches at the hips and knees. Clutches provide free movement in extension and allow flexion only when they are disengaged by solen...
متن کاملPerformance improvement of walker-assisted FES-supported paraplegic walking
In this paper we present a method to generate optimal stimulation pattern for walker-assisted paraplegic walking using FES systems. To determine the stimulation patterns, a musculoskeletal model of walker-assisted FES-supported paraplegic walking is introduced. The optimal stimulation patterns are determined through minimizing the trajectory tracking error of the lower body and mechanical energ...
متن کاملOrthosis for barefoot walking.
Introduction Most lower limb orthoses cannot be used without footwear. Occasionally, barefoot walking by patients fitted with orthoses may be necessary due to economic circumstances, to satisfy the dictates of religion, or for other reasons, such as the discomfort of conventional footwear in hot and humid climates. Invariably a boot or shoe is the foundation for an orthosis, with a stirrup rive...
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Pathological tremor is a common neurological movement disorder characterized by involuntary rhythmic oscillation of body parts. Available treatments are often insufficiently effective or are accompanied by severe side effects. This work proposes a lightweight, portable elbow tremor suppression orthosis using an electromagnetic brake (EB) with on-off actuation scheme. The device reduces tremor a...
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ژورنال
عنوان ژورنال: Applied Bionics and Biomechanics
سال: 2011
ISSN: 1176-2322,1754-2103
DOI: 10.1155/2011/350602