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School micromouse
Hi Duncan, Adrian, Jerry,
Duncan's idea re a discussion at the March event is a good
one, but it is leaving things rather late if you are planning for a Schools
competition in the current academic year. If you then went ahead for a
June competition, you would probably get only the 'regulars' taking part - new
entrants wouldn't have time to prepare. Perhaps this is a good thing
for the first year? However, since fairness and clarity of objectives is
important (re Duncan) we need to be careful that we don't alienate prospective
schools by making the first year's competition seem a bit like a private
'mousers-club'.
The reason the 2D line-follower competition is ideal for
schools is that it is very easy to get a basic mouse successfully running the
course. Also, if it loses the line it has a chance of regaining it again,
unlike a basic wall-follower which generally crashes and gets stuck. Also,
the course is trivially easy to make and store (unlike a 3D
maze.........). Also, the idea of building a line-following robot has
other applications and pupils can apply the idea to larger robots which can
perform useful carrying tasks.
But Duncan is right about Schools perceiving a huge jump
between 2D and 3D mice - this is a problem.
I disagree about the Rat Race being a blind alley! 2D
line followers will obviously be able to run the Rat Race, but they won't be a
good Rat. Vice-versa, a fast, high acceleration, high deceleration Rat
probably won't be any good on the 2D course. I would encourage Rats
to be designed specifically for the Rat Race - I see huge opportunities
here. But I take your point regarding multiplicity of competitions and
dissipation of effort.
Finally, Duncan - the IEEE printed 2D 'mats' were awfully
reflective - the shiny black surface reflected more light than the matt white
line! I think they improved later versions, but weren't last
year's competition courses made from black painted plywood? I can't
remember.
Chris Walker,
Bolton School.