[chbot] Chchrobotics Digest, Vol 133, Issue 10
cdhmanning at gmail.com
Thu Oct 18 01:43:40 BST 2018
Sometimes dithering (ie. actually adding noise) is a good way to overcome
On Thu, Oct 18, 2018 at 1:01 PM Marshland Engineering <
marshland at marshland.co.nz> wrote:
> Had a flurry of replies.
> Here is the setup.
> The data
> A very small step in measuring makes a huge step in the velocity graph and
> similar one in the acceleration.
> Since posting, I did think about letting the cam run through several cycles
> and the averaging the new data. Probably best to do that first. It is the
> stiction that is the probable issue with the linear encoder. I am
> measuring to
> 1 micron.
> Maybe best to not average the raw data but average the velocity.
> Cheers Wallace
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