Advanced Robotics
Transcript of Advanced Robotics
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Tech 499
Department of Technological Studies
College of Arts and Sciences
Jordan Hites
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Sumo robot being built for a Society of Manufacturing Engineers’ National robotics Challenge.
Location: Marion Ohio County Fairgrounds
Date: April 18th, 2009
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Robot must be smaller than 2’ x 2’ x 2’
Robot must weigh 125 pounds or less
Must be fully autonomous (no remote control)
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Two robots are set one foot apart in a 15’ 2” ring
One of four starting positions is randomly selected
Head to Head
Back to Back
Side to Side facing the same direction
Side to Side facing opposite directions
Object is to push the opposing robot out of the ring
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Electronic components, circuit board
Battlekit single drive modules, Ampflow E-150 motors
Colson wheels, rubber wheel swivel casters,
Proximity sensors
Twelve volt batteries, pillow blocks,
Square steel tubing, round aluminum stock, sheet metal,
Emergency stop, and fasteners.
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Final Cost: $717.64
Motors and battle kits sold separately, contrary to our initial inquiry to robotcombat.com
Added $160.00 to our total cost
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All of the components and manufacturing procedures of our robot are environmentally friendly.
Our robot uses valve regulated sealed lead-acid gel cell batteries, which Do not need to be kept upright due to no risk of
spilling and
Also, virtually no electrolyte evaporation.
Instead of using lead-acid wet cell batteries that vent hydrogen and oxygen gasses that might ignite
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J
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Circuit Board design problems
Mounting the prefabricated battle kits
Machining and mounting of the custom axles
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Implemented Axle
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We continuously noticed small things that could be improved upon with our robot, so we would disassemble what was being improved upon, improve it, and then reassemble it. This also increased our fluency with disassembly and assembly, which was very useful when maintenance was needed.
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The robot is actually the second design that we came up with. Our initial design was four wheel drive, used motors similar to the ones used last year, and was overall very similar to the robots used last year and the other groups robot.
Non conventional design and implementation.
2 motors with 4 wheels
4 motors 8 wheels
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Separation from previous designs involved a circuit board instead of a PLC.
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We tested the motors and traction by placing roughly seventy to eighty pounds of scrap on top of our robot while trying to orient it towards the front. We also made sure to measure and re-measure everything that we were to model in Pro ENGINEER, so that our drawings could have the most accurate dimensioning.
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We thought we had solved problems involving traction, maintenance, circuit board, axels and battle kits.
Views on robot before competition
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Timing Delay
Failure of key
Circuit breaker flipping
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