[Yaaarc] Let's do small scale sumo this summer.

[Neal Probert]

Paul Haas wrote:
> Some members of the now moribund Ann Arbor Lego Robotics club want to
> have a contest.  I've got a couple 4 foot diameter sumo rings.  So we
> don't need to do much prepwork for the contest other than get our
> robots ready.  Reusing an existing contest means that we have a ready
> supply of contestents.
> 
I've got one larger 5' ring.

> We can use their rules with only a few changes.
> 1. The requirements for Lego only applies to the Lego only class.
> There is no RIS only class, they would compete with the other Lego
> only class.
Do we care about RIS vs non-RIS controllers?  Or is that moot?

> 2. Bout start positions were revised such that the higher ranked
> robot is placed anywhere in one half of the ring, then the lower
> ranked robot is placed anywhere in the other half.

How about higher ranked robot can be placed facing outward and lower ranked robot facing higher ranked robot.  But then again, how do we rank robots before start of competition?

> 3. The module stuff was just confusing, and can be ignored.
> 
> The important rules are: The robot most fit in a square twelve inches
> on a side at the start of the contest.  It must weigh less than 2
> pounds.  Other rules are at
> http://24tooth.com/SumobotRules.html
> 
> I'm thinking of holding the final competition on a Saturday or Sunday
> afternoon in August.  At meetings we can have practice sessions, and
> work on tuning and refining the robots.
> 
> The sumo ring is a disk 4 feet in diameter.  The top surface is about
> 4 inches above the floor.  There is a 2 inch wide white stripe around
> the outside of the circle.  The interior of the circle is black.
> Robots can tell when they are at the edge of the circle with a light
> sensor pointed down, or with a mechanical feeler.
> 
The lego supplied light sensors do work, but have to be placed close to the surface.

Strong lighting or direct sunlight can and will blind the 'bots.

> SInce the rings are 4 inches off of the floor, it is obvious when a
> robot is out of the arena, because it falls to the floor.  So most
> judging decisions are relatively simple.  The only time it gets
> awkward is when both robots fall out of the ring at almost the same
> time.
> 
Tie, split the points.

> I'm thinking of prizes 3 prizes for two categories.  Maximum 1 prize
> per person.  If 1 person wins more than one category, the next highest
> scoring robot wins in that category.
> 
> Highest scoring robot over all.
> Highest scoring Lego only robot (that didn't win the first prize).
> Highest scoring unlimited material robot (that didn't win the first prize.)
> 
> We can also add other prizes like audience's choice, contestant's
> choice, highest scoring robot from a builder under the age of 14,
> etc...  Assuming we can get some donated prizes.
> 
Ugliest?

> Any objections?
Nope.

> -- 
> Paul Haas
> paulh at hamjudo.com
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