[robocup-humanoid] Some doubts about rules

[Rodrigo Guerra]

Hi,

I am not updated about the current rules but I do have some experience
using clothes in the robots, so I thought it would be nice to share.

In RoboCup 2005 we used a black uniform with the HOAP-2 and HOAP-3
robots we had. There were a few undesirable side effects to that, so I
will try to list:
 -- Covering the robot with fabric made our actuators over-heat a lot
 -- The clothes made it a little more difficult to access internal
wires, batteries, etc.
 -- The balancing of the robot was altered (as light as it may seem,
it did make a difference)
 -- The clothing also added some friction to the joints (even making
it a little loose)
 -- The time for setting up the robot augmented quite a lot (you have
to act very quickly during the games).

Well, this does not mean all this would necessarily happen in your
case, but again, I thought it would be nice to share our experience.
On the other hand, I do think the robots actually looked very nice
dressed with little black kimonos -- which my mom helped tailoring :-)

About painting, I believe humanoid league usually have some pretty
reasonable tolerances for how much black the robot should be...

Best regards,
Guerra

On 2/20/07, Jackson Matsuura <jackson at ita.br> wrote:
> Hi all.
> Now that we are qualified I can bother you with my questions about rules.
> (just three for now).
>
> 1- Should our robots use some kind of black shirt and shorts or other kind
> of black clothes covering their bodies?
> Or we really must paint them black?
> I was thinking about a winter shirt (covering entire arm) with the team
> mark (front and back) and the name of the robot at the back (Robotbinho or
> Robotgério Ceni :-D), perhaps the number at front too. And long pants
> covering the legs.
> Should we do that? I do not remember to see any humanoids using some time
> of clothes, but the rules do explicit say no to clothes.
> So, should we produce our uniforms or will we need to paint all the pieces
> of our robots in black?
>
> 2- Should you explicit the wireless network? We still need to buy the
> components for wireless communication and we would like to be sure and not
> buy wrong components.
>
> 3- I think that I already know the answer for this but I want to be sure
> before star working in that.
> The head can be larger than the trunk? There is any other restriction for
> the width and the length of the parts of the robot besides the cylinder of
> diameter 0.55*H ?
>
> Thanks for the attention and sorry for my newcomer questions.
> But better asking before modifying or buying something.
>
> Jackson
> ITANDROIDS
> Brasil
>
>
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-- 
Rodrigo da Silva Guerra
PhD Student

Department of Adaptive Machine Systems
Graduate School of Engineering
Osaka University - Japan