Subject:
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Re: RotationNavigator accuracy
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Newsgroups:
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lugnet.robotics.rcx.java
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Date:
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Thu, 15 Jan 2004 12:39:19 GMT
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Viewed:
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5690 times
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"Michael Wisse" <mwisse@hs-harz.de> wrote in message
news:40065F0D.70202@hs-harz.de...
> <<snip>>
> It is a pitty, that the articles are in Czech, I am still looking for • a
> good introduction to odometry. I do not know yet exactly
> how the angle is calculatet in turns.
Check out http://www.seattlerobotics.org/encoder/200108/using_a_pid.html
about the "Peeves" Mindstorms robot. If page is not accessible then just
do a search on "peeves mindstorm lego" and you'll probably find it
somewhere else. "Peeves" is a pretty accurate dead reckoning
navigational robot implemented in NQC. Source code contains equations
for incrementally calculating dead reckoning odometry position and
angle.
It has some links to other good pages about odometry and dead reckoning.
I can't remember the best reference but I think it was to
http://rossum.sourceforge.net/papers/DiffSteer/DiffSteer.html. If that's
not the reference then somewhere else in the "Rossum project" you'll
find a good tutorial.
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Message is in Reply To:
 | | Re: RotationNavigator accuracy
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| Hi Robert, thanks for your response. Indeed, the main problem seems to be slippage. The more speed the motors produce, the bigger the slippage is and the less is the resulting angle. Probably a tank is bad for odometric navigation. It is a pitty, (...) (21 years ago, 15-Jan-04, to lugnet.robotics.rcx.java)
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