Quote:
Originally Posted by beijing_strbow
We're able to get pretty good straight driving using only the P term with the navX, so that may be worth trying. As for carpet, a local store gave us a 5x12 foot square of the official carpet (different color though).
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A P only loop makes sense in this application, because there is so much physical damping/resistance in the yaw of a robot; there is no need for a software dampening. The navX is likely much more dependable than the wheels for determining orientation, that I would not use drive train encoders in the navigation loop, but ONLY to to feed the wheel/motor PID loop.
As far as color, if you insist on the right color, you'd need a new piece (or two) of carpet each year.