Quote:
Originally Posted by wilsonmw04
We keep the same joystick position and the yaw rotation changes. It could be due to slight differences in the wheels or motor strengths.
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Those are likely candidates. Three others might be 1) not all the rollers are spinning freely 2) the frame is so rigid that not all 4 wheels have sufficient normal force to prevent slipping 3) calibration and/or tolerance differences in the motor controllers