Quote:
Originally posted by seanwitte
I remember seeing a two-wheeled balancing robot made with Mindstorms that used IR proximity sensors to balance instead of a gyro. We used some of the Sharp IR sensors this year, I don't have the part number handy but they're the ones with 6" - 6' range. Using one on the front and back, pointed at the floor, you can figure out your angle of tilt. They're pretty fast, you might be able to make a balancing platform without a computer, just a closed-loop with the sensors as feedback.
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My concern is that the IR sensors would be prone to errors depending on what type of surface you are running on.
I would guess and ultrasonic signal would be better, like what they use in wall "stud finders".
I like the gyro idea the best though, The Craigway's goal is to mimic the Segway, with the standard KOP.
This way other teams can duplicate the results (after we are finished that is :-)