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Re: Power Wheelchair Controller Hacking

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Jeff Liebermann

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Jul 1, 2011, 10:58:06 AM7/1/11
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On Fri, 1 Jul 2011 08:19:46 -0400, Nelson <nel...@nowhere.com> wrote:

>Has anyone here tried this? I'd like to find some information on how
>to do it, schematics, etc. They all seem to be proprietary and I can't
>find any documentation.

This patent application includes a detailed controller schematic.
<http://www.patsnap.com/patents/view/US6674256.html>
<http://www.google.com/patents?id=H8kCAAAAEBAJ>
There may be others.

>Ideally, I'd like to interface the wheelchair
>to something like an iPad.

Start with either the various robotics forums, or controller interface
forums:
<http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?board=hardware>
<http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1265918811>
<http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1229539904/all>
etc... Search for "wheelchair".

--
Jeff Liebermann je...@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

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Sjouke Burry

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Jul 1, 2011, 1:19:29 PM7/1/11
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Nelson wrote:
> Has anyone here tried this? I'd like to find some information on how
> to do it, schematics, etc. They all seem to be proprietary and I can't
> find any documentation. Ideally, I'd like to interface the wheelchair
> to something like an iPad.
>
I interfaced one to a remote control for modelplanes.
(the receiver part).
The transmitter was either used as is, or as interface
to a controlling computer.

Alas, that was about 6 years ago, and i dont work there anymore.
What i did(from memory), since the joystick was analog 4 quadrant,
is to translate the control voltages from the receiver units to
the joystick connection wires.
Worked like a charm.

End result: a remote controlled snoop vehicle with stereo camera view,
and stereo microphone, with camera/mic direction control.
We used an 8 channel plane controller, and some video capable small
transmitters.

Sjouke Burry

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Jul 1, 2011, 1:24:33 PM7/1/11
to
Nelson wrote:
> Has anyone here tried this? I'd like to find some information on how
> to do it, schematics, etc. They all seem to be proprietary and I can't
> find any documentation. Ideally, I'd like to interface the wheelchair
> to something like an iPad.
>
Oh, I forgot a picture :)
> http://www.intermediair.nl/iol/imgdb/91189
Or article:
> http://www.intermediair.nl/artikel//74193/de-opkomst-van-de-militaire-robot.html

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