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 Robotics / 8312
8311  |  8313
Subject: 
Re: Line Following by Humans versus Bots
Newsgroups: 
lugnet.robotics
Date: 
Thu, 18 Nov 1999 14:56:07 GMT
Viewed: 
963 times
  
In lugnet.robotics, lego-robotics@crynwr.com (Paul Speed) writes:
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 programming domains.

I am really agreeing with you, but since yesterday I begun thinking a little in
other pathways...

The specifications for a general line following robot have to include also a
specification for the kind of line/pathway the robot can follow. So there are
two different approaches: to decide upon a kind of pathway/environment and
build a robot that will be able to follow it; or to consider the robot hardware
and try to find the 'simplest' pathway/environment it can follow. Of course,
one can do a little of both, also...

But in my opinion, the two approaches are in fact posing different challenges
and I wonder if they should not be treated as different problems too...

Another thought: what do you people mean by "best solution" to the line
following problem? there are many ways to define that, depending of the
environment: decreasing amount of zigzagging; following lines that wind at
hefty angles; handling intersections/several lines; handling bumping into
walls; and even maybe being able to recover after being attacked by the owner's
cat ;-)

As before, each problem has it's own "best solution"...

*s* Am I in a philosophical mood, or what?

/Vlad



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 (...) (25 years ago, 17-Nov-99, to lugnet.robotics)

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