Quote:
Originally Posted by Ether
You can use a gyro to maintain the heading of a bot (i.e. keep it pointed in the same direction).
If you keep a skid-steer pointed in the same direction it will, for the most part, drive in that direction
With a mecanum, the bot can drift left/right (strafe) without turning, so keeping it pointed in the same direction doesn't necessarily prevent it from drifting sideways.
If your mec bot drifts left/right or rotates when given a pure forward command, my suggestion would be to work on the mechanical and electrical aspects of the drivetrain to correct that as much as possible before turning to software solutions.
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Thanks for your suggestion - I just realized that it actually was a hardware issue with the wheels and the axle collars. I should have checked that sooner.