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Subject: 
Re: Line Following by Humans versus Bots
Newsgroups: 
lugnet.robotics
Date: 
Thu, 18 Nov 1999 02:29:12 GMT
Viewed: 
2559 times
  
Paul Speed wrote:

<snip> <snip>

> > I would really like to know who or how was it decided that bots
> > should follow a single line in the first place. Is it just to save
> > on black paint or the number of light sensors?

>        The primary motivation is because a hallway is wide and a
> line is narrow.  This means that when the 'bot is on a line it has a
> reasonably good idea where it is.  Also, in maze following, when it
> reaches an intersection it can see all of its various choices without
> randomly bumping around for five minutes.  And even after five minutes
> of randomly bumping around, there might still be one option the 'bot
> missed.
> 
>         It will certainly be interesting to continue to see the
> various solutions in both areas.

Thanks for the thoughts.

I'm not sure if it's been done before, but I'm now making a playing field where the bot will have to
keep within two black lines using 2 RCX light sensors to see how it compares to conventional line
following. I'll include a  T-junction to see how the bot will react in actual practice.

Nothing like trying it out to see if it'll work.

--
C S Soh

http://web.singnet.com.sg/~cssoh
... where air is power



Message is in Reply To:
  Re: Line Following by Humans versus Bots
 
(...) You are right that with one stationary light sensor, line following is not a trivial matter. Change the constraint and it starts to become a little more trivial... we're just splitting the problem by focusing on both the mechanical and (...) (27 years ago, 17-Nov-99, to lugnet.robotics)

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