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Robotics Assignments: 1, 2 & 3

Robotics Assignments: 1, 2 & 3. Amy Ni hIfearnain. Contents. ·TaskList –grabbers 1)Claws 2)Buckets ·Kit Parts 1)Hexbug 2)Potentiometer kit ·Design Elements 1)Front intake. Grabbers. Claws.

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Robotics Assignments: 1, 2 & 3

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  1. Robotics Assignments: 1, 2 & 3 Amy Ni hIfearnain

  2. Contents ·TaskList –grabbers 1)Claws 2)Buckets ·Kit Parts 1)Hexbug 2)Potentiometer kit ·Design Elements 1)Front intake

  3. Grabbers Claws Buckets- yes, I know it’s not a bucket but I couldn’t find a picture of a robot with buckets for arms.

  4. Grabbers Claws Buckets • Attached to metal or plastic arms • Small motors at the joints • Bits of rubber at the tips • Claws are good because... • They have more precision than buckets • Claws are bad because... • They can only pick up one thing at a time • Attached to metal or plastic arms • Small motors at the joints • Buckets are good because... • They have retention • Buckets are bad because... • They’re imprecise

  5. Kit PartsHexbug • The HEXbugs are designed as a fundraiser • They are small, toy robot-bugs • They can be bought from the VEX website and sold at 50% profit by the Robotics Team

  6. Kit PartsPotentiometer Kit • Useful for autonomous: measures angular position, ie. Making the robot “aware” of the position and motion of its components, and therefore its actions. • A separate Programming Kit is needed to use the potentiometer • Cost €11.99 from VEX website

  7. Design Elements: Front intake • Claws/ buckets/scoop • Description/ pros and cons of claws/buckets given previously • Scoop • Funnel-shaped, attached to an “arm”, possibly with a valve at the narrower end • The balls can be scooped up into the funnel, and then stored there while the robot goes to the goal. Then the funnel can be raised above the goal, and the valve opened so that the balls fall into the goal.*

  8. Design Elements: Front intake • The scoop is good because it is easy to drop the balls into the goals • The scoop is bad (relative to the claw) because a separate design is necessary to hang from the bar at the end of the game. • * this description of how to use the scoop would only work for the Buckyballs; for the large balls the funnel would have to be tipped upside down.

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