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Unread 20-08-2010, 19:48
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Programming Mentor
AKA: David
FRC #1756 (Argos)
Team Role: Mentor
 
Join Date: Jan 2010
Rookie Year: 2009
Location: Peoria, Il
Posts: 145
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Re: User Interface - Drivetrain Controls

1756 used a mecanum drive train controlled by an XBox controller. The left joystick made the robot move straight forward, backward, left or right. We programmed the robot not to move at any angles because the PID couldn't keep the robot facing the same direction well enough. The right joystick controlled the robot's rotation.
While programming the robot we assigned one of the buttons on the right side of the controller to switch drive modes, but we disabled that for driver training and competition because it was to easy to change accidentally.
The controls seemed pretty good, our robot just got stuck too easily. We liked the XBox controller better than full-sized joysticks and are considering using a corded PS3 controller next year so we can have gyro/accelerometer input options.