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Any chance of a lecture at LegoWorld 2003 in Zwolle (Netherlands)?
Duq
"Kevin L. Clague" <kevin_clague@yahoo.com> wrote in message
news:HEzHnE.yHC@lugnet.com...
> Hi,
> I'm really into pneumatics because they can allow you to make "smart"
> mechanisms that do not require the RCX and sensors.
>
> When I first found out about LEGO pneumatics, I got quite excited • because I
> thought I could map much of what I know about computer and digital logic • design
> to pneumatics allowing me to create complicated and advanced technic and
> robotics models.
>
> It took me a while to map things from the computer technology to • pneumatics,
> but I've got a good handle on it now.
>
> I figured out two things: how to make boolean AND and OR logic gates • using
> pneumatic pistons and switches, and how to make synchronous pneumatic • logic.
>
> I originally made a pneumatic adding/subtracting machine using an OR • gate
> design that was mechanically complex, and slow. My original design was • named
> PneumAddic.
>
> http://www.users.qwest.net/~kclague/pneumaddic/index.htm
>
> One day it hit me that I was making the gate design too complex, and • came up
> with a much simpler, faster, more reliable gate design, that didn't • require as
> high a pressure as my original design. I also realized that it was easy • to
> make either an AND or an OR gate just by making a minor change to the
> mechanism. Using these new gate designs, I was able to create a much • faster
> PneumAddic that performed more of the arithmetic in penumatics. My new • design
> is called PneumAddic II.
>
> Using synchronous techniques, I was able to reduce my original pneumatic
> capterpillar:
>
> http://www.users.qwest.net/~kclague/caterpillar/index.htm
>
> From two cyliners and two switches per caterpillar body segment, down to
>
> http://www.users.qwest.net/~kclague/synchropillar/index.htm
>
> one switch and one piston per caterpillar body segment.
>
> Also the synchronous caterpillar walks faster than the asynchronous • version
> (the original), because the asynchronous circuit spends half its time • cycling
> back to the walking phase. Synchropillar does not.
>
> Synchropillar is a *very* simple example of synchronous pneumatic • design.
> I've got many more things to create using this.
>
> My question is: Are people interested in a technical talk at BrickFest • about
> these pneumatic design technigues?
>
> Kevin
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