Subject:
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AW: LEGO MindStroms 2.0: Alternative transmission techniques
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 20 Oct 2002 20:06:49 GMT
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Original-From:
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Raphael Langerhorst <raphael-langerhorst@gmx.%SayNoToSpam%at>
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Viewed:
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975 times
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I have read the book "Core Lego Mindstorms Programming" and this book
also discusses navigation. Since this is also my first project with the
RCX I don't have much practical experience with navigation.
I'm close to testing my dead reckoning system. I have built the robot
and the software should be finished about next week. But from what I
know so far it is difficult to keep the robot accurate over time (since
compass sensors are also easily influenced and then you still have the
problem of positioning).
To sum it up, I also don't have a "perfect" solution. And for my
practical experience of my current favourite system we will have to wait
one or two weeks.
greetings,
Raphael
-----original message-----
Raphael Langerhorst wrote:
> First of all, this is my first post to this list although I'm a member
> for already a couple of months.
>
> I'm currently working on a quite similar project for school - it's the
> last year for me. The school is for something like "electrical
> engineering" (with a tendency to programming).
>
>
> Now to the robot:
You don't discuss how the robot (or PC) knows where it is.
That's the hard part - there has yet to be anything remotely like a
solution reported here.
We've discussed placing landmarks (like marks on the ground, flashing
lights, etc) around the place to help out - that's probably the nearest
thing to an answer - but I don't know that anyone ever build anything
that was actually able to use that approach with any success over a
large area.
---------------------------- Steve Baker -------------------------
HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com>
HomePage : http://web2.airmail.net/sjbaker1
Projects : http://plib.sf.net http://tuxaqfh.sf.net
http://tuxkart.sf.net http://prettypoly.sf.net
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