Title:
Cyber Human Interaction: A Control Systems/Robotics Perspective on Functional Electrical Stimulation
Cyber Human Interaction: A Control Systems/Robotics Perspective on Functional Electrical Stimulation
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Author(s)
Dixon, Warren
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Abstract
Application of an electric field across
skeletal muscle causes muscle contractions that produce limb movement. Clinicians have long
prescribed electrical stimulation as a means to strengthen muscle; however, clinicians have had a
growing interest in electrical stimulation to evoke coordinated limb motions for functional tasks such
as cycling. Motivation for such a cybernetic system includes advanced rehabilitative outcomes (i.e.,
neuroplasticity and restoration of function) for individuals with neurological disorders. A challenge to
developing these outcomes is that muscle activation dynamics are uncertain and nonlinear, and the
dynamics of limb motion also require the coordinated switching among multiple muscle groups.
Moreover, artificial stimulation of the muscle is highly inefficient, leading to rapid muscle fatigue,
which can limit the therapeutic outcomes. This talk focuses on how perspectives from and advances
in robotics/automation/control systems can be used to overcome these challenges. Underlying
theories and experimental results for various closed-loop electrical stimulation methods will be
described, including recent advances in cybernetic cycling where a robotic bicycle is combined with
an electrically stimulated person to facilitate various rehabilitative objectives.
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Date Issued
2017-10-04
Extent
64:19 minutes
Resource Type
Moving Image
Resource Subtype
Lecture