[team2039] Re: for tonights meeting
- From: Felix Behrendt <Felixb_USA@xxxxxxxxxxx>
- To: "team2039@xxxxxxxxxxxxx" <team2039@xxxxxxxxxxxxx>
- Date: Tue, 27 Jul 2010 20:30:24 +0200
the game at the competitions is usually only 3 minutes long ( I would gess 10
rotations (remember we turn the wheels in both directions). and besides this we
can just reset the encoders. do you think we can set the wheels to one degree
exact, so we can take advantage of the better encoders? Once we have the frame
moving, we can test how extreme this problem is going to be.
Felix
Sent from my iPad
On 27.07.2010, at 20:05, Mark Amber <balloooza314@xxxxxxxxx> wrote:
> Does anyone know how to find out exactly how many encoder clicks are in one
> rotation of the wheel, I think that is an incredibly important part of the
> program, I want it to be once we have one full rotation we can divide that
> into 360 steps, and it needs to be extremely accurate, we cannot go by looks,
> because every time the wheels spin it would just get that much more off, so
> what ever error we have, say it is the length of this --> u on your computer
> monitor it will be uuuuuuuuuuuuuuu off after 15 rotations.
>
> I was thinking we could put an encoder on the swerve action and spin it
> around 20 or so times, so the a few millimeters of error would be 20 times
> less significant, then we could divide by 360x20, instead of 360.
>
> Is my thinking correct, does anyone have better or more proven ways to do
> this?
>
> --
> »»Mark Amber««
>
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