ColonBlow robot


Posted on Feb 6, 2014

Our strategy was based on our ability to traverse complex, tape ridden terrain in the most efficient way possible: with superior speed. Even though we only went for goal #1, which was the lowest scoring goal, by acting quickly and finishing the game early, we hoped to limit the other team`s points. Our mechanical and electrical designs were cen


ColonBlow robot
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tered around our need for speed. We designed an autonomous robot that implemented a simple strategy to collect balls, hold them, and release them into goal #1. To collect balls, we placed a piece of foam core in the front of our robot to depress the ball request button. As each ball dropped from the dispenser onto our robot, a funnel-like device channeled the balls into a hole, which led to a PVC pipe with a door motor acting as an electro-mechanical switch to prevent balls from leaving our robot. Our robot`s chassis consisted of a -thick piece of laser-cut acrylic (10  x 3 ) and a 1/8 -thick piece of laser-cut masonite (10  x 10  with  fillets). We placed the front edge of the acrylic piece two inches from the front edge of the masonite, which was also the front edge of our robot. This decision was based on our desire to place the drive wheels closer to the front of our robot rather than in the middle. To provide our robot excellent stability while driving, we placed two spherical caster wheels at the back side of our robot. We placed these two casters 4. 67  apart center-to-center, which was long enough for stability, yet not significantly long to prevent our robot from moving too slowly at a given duty cycle. To track the various pieces of tape on the playing fields, we implemented a set of three QRB1134 reflective object sensors. Each adjacent pair of tape sensors was placed 0. 5625  apart center-to-center...




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