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Arm & Grabber
| This year's game involved placing game pieces very high above the ground. We decided to use an arm because it was compact, lightweight, and maneuverable. One of the two joints is located at the base where it is attached to the robot. The second joint is further up the arm and is connected the the wrist with a length of chain. As the arm moves, the wrist automatically pivots to the optimal postition for picking up and stacking tubes.
The grabber of the robot is made to accommodate both fully inflated and partially inflated tubes. An infrared sensor was added to detect when a tube is in position for grabbing. It is able to grip tubes firmly so that they do not rotate. |
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