Subject:
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Re: challenge: LEGO copier
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 5 Aug 2004 16:19:19 GMT
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Viewed:
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1239 times
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In lugnet.robotics, Joe Strout wrote:
> In article <I1z78u.93M@lugnet.com>,
> "Steve Hassenplug" <hassenplug@mail.com> wrote:
>
> > On the other hand, if you allow gaps, it would be very easy to make a model
> > that's almost impossible for a robot to copy. For example, an M where the
> > middle leg doesn't touch the bottom line:
> >
> > studs: 1 2 3 4 5 6 7 8
> > A <--> <-->
> > B <-----> <----->
> > C <--> <----> <-->
> > D <--> <--> <-->
> > E <--> <-->
>
> Why would that be impossible? You'd start by building up the sides;
> when you've done row B, then you can attach the block in row C, followed
> by the one in row D. So yes, this means the robot has to be able to
> move back and forth; it can't just progress from one end to the other.
>
> It also means that to attach the blocks, it needs to have a gripper
> which can be adjusted widely so that it can press the new block onto the
> existing model, regardless of how high the existing part of the model
> is. Tricky, but not impossible.
Almost impossible.
Personally, I'd have a hard time building this with my hands, much less building
a robot to do it. It could easily require three grippers just to put the pieces
together.
Definitely beyond anything I'd be interesting in attempting.
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Message is in Reply To:
 | | Re: challenge: LEGO copier
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| (...) Why would that be impossible? You'd start by building up the sides; when you've done row B, then you can attach the block in row C, followed by the one in row D. So yes, this means the robot has to be able to move back and forth; it can't just (...) (20 years ago, 5-Aug-04, to lugnet.robotics)
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