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Sun Feb 20 12:38:52 EST 2011

Squirrels & robot control

Squirrels use very fast balancing corrections.  Why is this?  Some
possibly relevant issues:

  - Fast corrections (high acceleration) are relatively independent of
    gravity.  I.e. this is a "pulse compensation" as compared to a
    continuous control process.

  - They have litte mass m, which means that they don't need much
    force F to get to high acceleration a = F/m.

  - Fast pulse compensation is also present in eye movements.
    Apparently for the eye, tracking is more difficult than focusing
    on the same point for a longer period of time.

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