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Subject: 
Re: odometry (was Re: Homing with the IR Tower)
Newsgroups: 
lugnet.robotics
Date: 
Wed, 28 Jul 1999 12:31:40 GMT
Original-From: 
Ralph M. Deal <DEAL@nospamKZOO.EDU>
Viewed: 
2579 times
  
On Wed, 28 Jul 1999, Laurentino Martins wrote:

> At 09:20 28-07-1999 Wednesday , Mario Ferrari wrote:
> [snip]
> > Yes, 95 ticks are always 95 ticks, but the point is if your robot really *is*
> > in the position where it's expected to be on the floor. The main problem with
> > odometry, as you know well, is that errors accumulate very fast. The
> > unavoidable slippage of the tracks makes the things worse. From what I read so
> > far about detecting a robot position, tracks are the worst choice. See, for
> > example, the great "Where am I? Sensors and methods for Mobile Robot
> > Positioning" by J.Borenstein (freely available on the net but can't remember
> > where).
> 
> 
> I've downloaded, printed and read it all some time ago :-)

Great source.  Just found a source where Johann Borenstein discusses the
original 1966 paper and gives links for the full electronic version or a
CDROM or a book version.  Here is the source:


http://www-personal.engin.umich.edu/~johannb/position.htm

Thanks for the pointer!   Ralph M. Deal   deal@kzoo.edu

--
Did you check the web site first?: http://www.crynwr.com/lego-robotics



Message is in Reply To:
  Re: odometry (was Re: Homing with the IR Tower)
 
At 09:20 28-07-1999 Wednesday , Mario Ferrari wrote: [snip] (...) I've downloaded, printed and read it all some time ago :-) (...) I've used 2 wheels instead of tracks once, and the results where terrible compared with tracks. The problem was that (...) (27 years ago, 28-Jul-99, to lugnet.robotics)

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