[chbot] Pushing a trolley with a robot

[Charles Manning]

Done quite a bit of automated steering in the past. This is a non-trivial task.



On Wed, Aug 20, 2014 at 4:40 PM, Robin Gilks <robin at gilks.org> wrote:
> Greetings all
>
> I've hit an interesting problem with my walnut harvester.
>
> The actual nut picker-upper (the trolley in the diagram) is a push device,
> obviously you can't pull it along as the wheels of the drive unit will
> either crush the nuts to be harvested or push them into the grass out of
> reach.
>
> I have in mind using a lead screw to move the handle of the harvester left
> and right to keep the picker directly in front of the drive unit such that
> as the driver unit correctly its course the picker is always directly in
> front.
>
> I guess its a bit like automating the reversing of the trailer!!
>
> Does anyone have any nuggets of information of other ways of doing this?
>
> Cheers
>
> --
> Robin Gilks
>
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