Encyclopedia of Computational Neuroscience

Living Edition
| Editors: Dieter Jaeger, Ranu Jung

A Model of the Intermittent Control Strategy for Stabilizing Human Quiet Stance

  • Taishin NomuraEmail author
  • Yasuyuki Suzuki
  • Pietro G. Morasso
Living reference work entry
DOI: https://doi.org/10.1007/978-1-4614-7320-6_100698-1
  • 51 Downloads

Synonyms

Definition

The intermittent time-delayed feedback control is a model of neural strategy for stabilizing human upright stance. It exploits two types of instability of the human postural control system. One is the instability of purely mechanical, passive dynamics of the inverted pendulum-like human body in the absence of the active feedback control, due to the fact that intrinsic, i.e., passive, ankle stiffness is insufficient for stabilizing the upright posture, whereby the upright posture is characterized by a saddle-type unstable equilibrium with stable and unstable manifolds. The second is a delay-induced unstable oscillation in the system of the inverted pendulum with an active feedback controller with a large signal transmission delay. In the intermittent control model, the instability is compensated by switching between those two unstable dynamics in an appropriate state-dependent...

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References

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2020

Authors and Affiliations

  • Taishin Nomura
    • 1
    Email author
  • Yasuyuki Suzuki
    • 1
  • Pietro G. Morasso
    • 2
  1. 1.Graduate School of Engineering ScienceOsaka UniversityOsakaJapan
  2. 2.Center for Human TechnologiesIstituto Italiano di TecnologiaGenoaItaly

Section editors and affiliations

  • John Milton
    • 1
  1. 1.W.M. Keck Science CenterThe Claremont CollegesClaremontUSA