VEX Drive Trains.

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Presentation transcript:

VEX Drive Trains

Drive Trains Vocabulary Skid Steering (Tank Drive) Swerve Drive Holonomic (Omni) Drive Mecanum Drive

Drive Train A robot’s drive train consists of all of the components used to make the robot move. Motors Wheels Gears

Omni-Wheels rollers around the edges allow omni-wheels to roll sideways The 4” omni-wheels are in your kits. The 3” onmi-wheels are not included.

X-Wheel Drive X = how many wheels are connected to motors Two wheel drive: two wheels are powered Four wheel drive: four wheels are powered How many motors the robot has doesn’t matter: The protobot has only two motors, but it is an example of four wheel drive since all four wheels are connected to motors.

Tank Drive The left and right sides of the robot are powered by different motors. Each wheel of the Simplebot is directly connected to a motor. motor motor motor motor Simplebot Base

Skid Steering (Tank Drive) To turn, one side goes forward and the other goes backwards.

A swerve drive robot has the ability to rotate its wheels. Swerve/Crab Drive A swerve drive robot has the ability to rotate its wheels.

Holonomic (Omni) Drive Omni wheels pointing in opposite directions allow the robot to move in any direction or spin.

Holonomic Drive in Action A VEX robot with a holonomic drive