Acceleration feedback improves balancing against reflex delay.

  title={Acceleration feedback improves balancing against reflex delay.},
  author={Tam{\'a}s Insperger and John Milton and G{\'a}bor St{\'e}p{\'a}n},
  journal={Journal of the Royal Society, Interface},
  volume={10 79},
A model for human postural balance is considered in which the time-delayed feedback depends on position, velocity and acceleration (proportional-derivative-acceleration (PDA) feedback). It is shown that a PDA controller is equivalent to a predictive controller, in which the prediction is based on the most recent information of the state, but the control input is not involved into the prediction. A PDA controller is superior to the corresponding proportional-derivative controller in the sense… CONTINUE READING
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Stick balancing , falls , and dragon kings

  • JL Cabrera, JG Milton
  • Eur . Phys . J . Spec . Topics
  • 2012

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