2012

Rebound Rumble

2012 ReboundRumble

Object of the Game

The Rebound Rumble robotics game is played between two Alliances of three teams each. Each Alliance competes by trying to score as many of the basketballs in the hoops as possible during the 2-minute and 15-second match.

Description

Each match starts off with a 15-second hybrid period, in which teams must control the robot by acting out preset commands in front of an Xbox 360 Kinect, or simply use a pre-programmed sequence. At the end of the hybrid period, the teleoperated period begins, in which the drivers are in full control of the robot. During this 2-minute period, teams must gather balls and shoot them into basketball nets to score. Balls scored in higher hoops score teams more points. Teams may also go to a feeder station to collect balls. In the middle of the field, there is a barrier and three bridges that teams must cross to get to the feeder station. The final 15 seconds of the teleoperated period are known as the endgame. During this time, teams may choose to balance on the bridges with another team on their Alliance. Doing this during the elimination matches scores more points than in the qualification matches. Alliances are awarded bonus points if they are balanced on bridges at the end of the match. In matches where opponent Alliances work together to balance on the white bridge (the one in the middle), all participating teams earn additional valuable seeding points.

Game Animation:

Game animation courtesy of FRC Team 801's YouTube Channel

Beavertail

2012 robot

Drivetrain

Welded 2x1 box aluminum frame
CNC Lexan belly pan
6-wheel drive, 6" AndyMark wheels
Polycord drives the outside wheels with custom designed 5.5" sheaves from the directly driven center wheels
Powered by 4 CIMs through two AndyMark super shifters giving us two speeds (4fps and 15fps)

Shooter

Four 8" FIRST wheels
Powered by 2 fisher price 673 motors through an AndyMark planetary gearbox and 1 stage of a GEM500
20mm extrusion frame

Conveyer

Powered by a Bane bots 550 into a 64:1 reduction and two AndyMark 9015 motors also into a 64:1 reduction
4 1/4" polycord belts bring the balls up the turret capable of holding 3 balls at a time
20mm extrusion frame

Turret

Powered by a single window motor and a scooter wheel
Uses a 17-3/8" ball bearing for a smooth rotation
Capable of 360° of rotation but restricted to about 90°

Beaver Teeth

Pneumatically actuated
Uses kit of parts compressor
Adds the ability to go over the bump and ramp

Electrical

Featuring for our first time a drop-in electrical panel

Sensors

Conveyers: Uses encoders to calculate distance travelled
Turret: A Potentiometer is used for aiming the shooter
Shooter: Encoders are used to calculate rpm to aid in shooting
PhotoSensors: Used on the loading part of the shooter. When certain PhotoSensors are tripped the corresponding conveyer belt will turn off so ball will not get shot out prematurely and to get around the need for a storage spot for our balls when we are not shooting. By doing this we are also able to shoot balls out of our robot faster as balls are already preloaded.
Potentiometer: Used on the Turret to keep track of how much the turret has turned. Limits have been programmed in to keep the operator from rotating the turret too far and breaking important electrical wires for other sensors on the turret
Encoders: Used to calculate the RPM of the shooter wheels. By doing this we are able to maintain a more consistent shooter speed and power
Camera: Used to track the basketball nets. Lines the Turret up with the middle basketball net.
UltraSonic: Used to calculate the distance between the robot and the backboards, so our program has a better idea of how much power should be given to the shooter in automatic shoot mode.
Gyro: An additional sensor used to line the turret up with the basketball net.

Our Team

2012teamsmall Build Captain: James
Admin Captain: Tawny
Robot Driver: James
Robot Attachment:  Matt P
Coach:  Bradley
Human Player:  Luke
Chairman's Presenters:  Mickey, Kush and Tawny 
Overall Record:  36-22-0

Major Accomplishments:

  • Being a part of the "Underdog Alliance", going from 8th seed to the inaugural winners of the Queen City Regional
  • Seeded 4th out of 100 teams in the Archimedes Division at Championships
  • Janelle Taylor winning the Dean's List Award at the Waterloo Regional
  • Re-booting FLL Kincardine

Regionals

Greater Toronto Regional
  • Ranked 5th out of 36 Teams
  • Record of 10-5-0
  • 4th Alliance Captain
  • Alliance Partners: Teams 907 and 1404
  • Semi-Finalist
Waterloo Regional
  • Ranked 8th out of 30 Teams
  • Record of 8-8-0
  • 6th Alliance Captain
  • Alliance Partners: Teams 2809 and 288
  • Semi-Finalist

Queen City Regional

  • Ranked 21st out of 57 Teams
  • Record of 12-4-0
  • 1st pick by 8th Alliance
  • Alliance Partners: Teams 45 and 3940
  • Regional Winners

World Championship

Archimedes Divison
  • Ranked 4th out of 100 Teams
  • Record of 6-5-0
  • 4th Alliance Captain
  • Alliance Partners: Teams 2949 and 190
  • Quater-Finalist
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