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Unread 30-03-2003, 23:22
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Quote:
Originally posted by Al Skierkiewicz
Thanks everyone for the kind words. Unfortunately, being KOH isn't the only part of this competition. There are a lot of great robots out there this year. Team 101 Striker from St. Pat's has a little flying saucer that gave us a run for the money. If they were on first we couldn't get them off. Great driving as well.
As to "GPS" I wish! but no that is not what we use. Under the rules, no electronic component could be more that $100 dollars and we didn't see any GPS that cheap. Also we were unsure as to whether is would reliably read in proximity to all the metal of the robot or inside buildings. We struggled with a lot of ideas but fell back on Lego League experience and the simple approach. Know what way (and how much)you have turned and how far you have traveled and you will know where you are. Add to that a method of telling the robot where you want it to go and voila! it goes there. We are not the only ones using this method, many robots are looking at wheel rotation sensors and getting other feedback for positioning.
It is still really cool!!

I know team 68 uses rotations as well. Have you guys discovered how to calculate if you lose traction or if you are being pushed? Are you monitoring voltage draw? Also why do you guys use two light sensors on the same wheel? Do you guys have a problem with feedback time and the processor processing it fast enough? I guess I am just full of question for team 111 tonight... lol Great Bot as always
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