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An efficient Rocket Bot capable of doing a minimum of 8 cycles per match and a stretch goal of 12 cycles per match with a fast level 2 HAB climb. We want to be able to efficiently score hatch plates and cargo at any level of the Rocket.1/21/2019, 1/25/2018 - RK update based on robot design progress (includes things drive team needs to know as well)
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Priority DescriptionPriority Number
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Drive BaseRelatively maneuverable Drive Base for ease lining upMost Important1Accomplished
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<3 second drive time from HP Station to RocketMost Important2Accomplished as long as the elevator is not extended to its second stage until the robot has slowed (this affects speed to the high goal) IF the robot has the second stage extended and crashes into something (the rocket) we will damage the elevator. Also full speed into rocket/cargo ship/driver station wall without either a ball or a hatch in the robot is a risk to the hatch mechanism. How much nees to be tested - we have built in some resiliency which tests well in CAD but need real life test.
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Capable of accurately maneuvering on and off Hab LVL 2 <5 secondsMost Important3Off is accomplished. Level 2 climb is a scaled down version of level 3 climb with smaller cylinders. Speed is questionable, probably more like 10-5 seconds but needs further development. We will need to test Level 3 and then if it does not go well, swap out with smaller cylinders for level 2. The sensors and everything else will stay the same.
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Resistant to defenseVery Important4Marginal
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Capable of driving over Hatch PlatesVery Important5Accomplished
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Hatch Plate ManipulatorSecurely hold hatch plate during transit and placement, withstands defensive hitsMost Important6Can be accomplished pending programming, and driver practice
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Firm placement on to lvl 1 Rocket (with applied pressure) in <1 secondMost Important7Can be accomplished pending programming, and driver practice
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Acquire hatch plate from HP station in <1 secondMost Important8Can be accomplished pending programming, and driver practice
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Firm placement on to lvl 2 Rocket (with applied pressure) in <1.5 secondVery Important9Can be accomplished pending programming, and driver practice
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Firm placement on to lvl 3 Rocket (with applied pressure) in <2 secondVery Important10See line 4 above - more like 3-4 seconds depending on ability to tune elvator and brake - you will not be able to raise elevator until at the rocket
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Ground pickup with ~6" lining up margin of error that takes <2 secondsVery Important17Not accomplished - but prototyped two possibilities and have allowed for space on robot to add - weight and time to design/fabricate will be determining factor. Also we will not be able to put ground pick-up hatches on anything but the low levels as it will not be on the elevator (at this time we do not have even a concept that works for that)
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Firm placement on to Cargo Ship (with applied pressure) in <1 secondImportant19Can be accomplished pending programming, and driver practice
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Cargo ManipulatorSecurely hold cargo during transit and placement, withstands defensive hitsMost Important11Accomplished. Note that both hatch and cargo do not retract so they are sublect to hits (especially when no hatch or ball is in the mechanism). We have built in resilience that does very well in CAD but always need to do actual tests. Mechanisms can be raised or lowered to avoid hits (but not with the second stage extended)
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Score cargo with 100% accuracy in lvl 1 in <1sMost Important12Can be accomplished pending programming, and driver practice
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Intake picks up rolling/bouncing cargo in <1sec, touch it/own it, cargo might be rolling in any direction, cargo may be bouncing up to 6"Most Important13Rolling tested well in prototyping but need real test of assembly. Bouncing not accomplished, not likely to be accomplished
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Score cargo with 100% accuracy in lvl 2 in <1.5sVery Important14Can be accomplished pending programming, and driver practice
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Score cargo with 100% accuracy in lvl 3 in <2sVery Important15See line 4 above - more like 3-4 seconds depending on ability ot tune elvator and brake - you will not be able to raise elevator until at the rocket
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Effectively handles mishapen cargo (up to 15% deflated).Somewhat Important23Accomplished
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Catch ball falling from human player stationLow Importance24Not accomplished
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VisionCameras that allow drivers to maneuver field during SandstormMost Important16Two camera positions: 1 is on the carriage (moves), one is on the top of the elevator (moves). Top of the elevator may be moved to a fixed position pending concerns over length of USB cable and buffering delays/picture quality concerns.
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Sensors for scoring lining up during sandstorm (probably floor tape line)Important18
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Proximity sensor for wall distanceImportant20
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Whole RobotAbility to play defense on the other side of the field (have a configuration where all extensions retract inside our frame perimiter)Somewhat Important21Can do only if we use our air to pivot in and out and not to place hatch and cargo.
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HAB Level 3Somewhat Important22Can be accomplished depending on weight/air availability and continued field testing.
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