On 29 September 2011 13:23, Bruce Klawiter <bmkl...@yahoo.com> wrote:

> are some halscope images of the dithering and jerking:
>
> https://sites.google.com/site/bmklawt/home/pid-tuning

A single-count deadband in the PID might help.

I am not sure if this is a good idea, but I wonder if a low-pass
filter on the encoder position would help?

-- 
atp
"Torque wrenches are for the obedience of fools and the guidance of wise men"

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