Subject:
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Re: Standardizing Car Designs, etc.
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Wed, 2 May 2001 01:14:32 GMT
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Viewed:
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489 times
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"Jeff Elliott" <jeffe@telepres.com> wrote in message
news:3AEF19F8.D0A7F613@telepres.com...
> 1) Freight boxes: Okay, we talked about this: 4x8x4 bricks, the
> standard Lego freight container. Don't assume that there are sides
> to it, though!
Then I give up. How am I suposed to reliably grip a container that I can't
get a hold of? Use forks under it??
> 2) Freight cars: I saw Calum's prototype, and it seems to me that
> a robot is going to have trouble landing boxes precisely enough for
> that car - the positions of the crates are fine, but we might have
> to work on lowering the sides and making more error-firendly cars.
With an accurate locating wedge, I can guarentee cartesian accuracy of +/-
0.25 mm using the light sensor (encoders won't allow that kind of accuracy).
> 4) Car coding: Do we want to put labels/plates on the sides of the
> interactive car types so that our automation can discern an engine
> from, say, a freight car or hopper? Wouldn't require too much work,
> but I want to know if it's been done before. Mean time to failure
> is important here - it'd be nice to have a dependable solution that
> would only fail once in a hundred cars or less, and adapt to light
> conditions, etc.
Um. :)
(I don't have the programming skills to support this... Hey Jeff, wanna
program my gantry? ;) )
> 5) RCX commo protocols: I'm bringing RCXes to the show, and they're
> going to be talking to one another a lot. I can do one of three
> things: Put them all in a cave or a box so that they can
> intercommunicate without interference; I can use a robust multi-
> message transport layer (and mess up anyone else...) or those of us
> who are bringing multiple RCXes can chose messages which don't
> interfere. So who is bringing RCXes?
Me! Me! I think.
Iain
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Message is in Reply To:
 | | Standardizing Car Designs, etc.
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| Hey folks, (esp. Iain...) So, we're talking about doing some nifty automated stuff at Train1. Cool. I think we're going to need to talk about some common standards if we want to be able to interoperate, though: 1) Freight boxes: Okay, we talked (...) (24 years ago, 1-May-01, to lugnet.org.ca.rtltoronto)
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