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Re: I think it could be done.
Posted by Matt Leese.
Student on team #7 from Parkville High School and NASA, Black & Decker, AAI, Raytheon.
Posted on 9/8/2000 6:36 PM MST
In Reply to: I think it could be done. posted by Joe Johnson on 9/7/2000 3:00 PM MST:
Trying to get stuff to balance on a robot is real hard mainly because of the lack of a timing circuit. It's not easy to figure out where the robot is actually positioned relative to up. We tried to figure out a way to do this with the rotational rate sensor but we never got it working (we dropped work on it after we realized that it wouldn't be put on the robot). The main problem I ran into was the fact that if you simply add up the velocities every time the program loops through you don't end up centering the device but instead it off-centers. The ability to power the motors just slightly is also missing which helps to make this task much harder. Although it's a very cool idea (if anyone pulls this off I think they win the control systems award hands down), everyone please remember the I-Bot is powered by 3 PIIIs (correct me if I'm wrong), and we work with a little Basic Stamp 2 controller. I don't think the processing power exists to do this whole setup well. Best of luck to anyone who tries.....
Matt
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It means Dave Lavery isn't on the Game Design Committee this year. If he were, you probably would have found a banana instead. - Alan Anderson [more] 
23-06-2002, 23:44
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