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ARC IoT Competition for ATMOS 2017 - Bomb Defusal

Summary

  • To use an autonomous or manually controlled robot to move cubes from pre-marked areas in the Arena to pre-marked safe zones for depositing them.
  • Points are awarded for defusing and displacing a cube to a area in the Competition Arena. The team with the most points at the end of a round wins.
  • These cubes are referred to as "bombs" in the rest of this problem statement. The "bombs" have different states as described in the Gameplay section of this problem statement.

Competition Arena

The Arena will consist of two areas:

Bomb Maze

  • The bombs in the Arena are scattered throughout a maze.
  • This maze is open from the top and can be seen by the participants controlling the bot.
  • The bombs are cardboard boxes of cubes of a consistent size of 5cm x 5cm x 5cm. The bombs are labelled with number. The bomb may only be moved when it has been disarmed.
  • The bomb maze section has several RFID tags scattered throughout it, each of which correspond to one bomb.
  • The RFID tags are placed on the ground of the arena. The bot's design should be planned accordingly.
  • The robot must scan this RFID tag to disarm the bomb. The value scanned off the RFID tag is to be sent to a server listening on an IP address speicifed at the beginning of the competition. A display will then indicate the bomb to be moved to the Quarantine area.
  • The width of any route in the maze is at least 450mm.

The server and display will be provided by the organisers.

Bomb Quarantine

  • After the bomb has been disarmed, it has to be moved to a 'Quarantine' separated from the maze. On placing the bomb here, the participant will be awarded points. Please see the 'Gameplay' section for more details on the scoring system.

This map is purely for representational purposes only. The number of and placement of bombs, RFID tags, and maze pattern is subject to change. The dimensions of the Competition Arena will be the same as illustrated here.

Bot Specifications

Technical Specifications

  • Max Size: 350mm x 300mm x 300mm (l x b x h)
  • Max Weight: 5kg
  • Max Operating Voltage: 12V
  • Power Supply Unit: Onboard battery (Li-Po, Li-Ion NiMH, NiCd, or Lead-acid)
  • Wireless Communication: 2.4 GHz RF, WiFi, Bluetooth, NRF, or ZigBee can be used

Other Requirements

  • Commercially available ready-made robots are not allowed.
  • Each team is allowed to have only one robot.
  • The robot may be autonomous or manually controlled. If manually controlled, the bot must be controlled over either a wired or a wireless connection.
  • The robot must have an appendage for lifting and placing the bomb without pulling/pushing or damaging the bomb in any way. This can be any mechanical setup.
  • There are no restrictions on the sensors. However, to complete the competition, each robot must have a WiFi module and an RFID scanner onboard.

Gameplay

Each bomb has four possible states:

  • Armed - the initial state of the bomb.
  • Disarmed - when the RFID tag of a bomb has been scanned but the bomb has not been Defused. The bomb can only be moved in this state.
  • Defused - when the bomb has been successfully placed in the quarantine area after being Disarmed.
  • Exploded - happens when the bomb has been moved when in an Armed state. This will result in a penalty. The bomb cannot be Defused after this.y

Individual Round

The robot will start from a box in the Arena. The participant must ensure that their robot is connected to the competition's WiFi network. The bombs and RFID tags will be placed by the competition organisers in the Arena.

The robot must go to an RFID tag in the Arena. This must be scanned by the robot to set the status of the bomb to Disarmed. On scanning the RFID tag, a display will show the number of the bomb to be Defused. This bomb must be moved to the quarantine area within 60 seconds of scanning the RFID tag. On placing the bomb in the Quarantine area, the bomb will be marked as Defused and points will be awarded for the same.

In case the player is not able to move the bomb to the Quarantine area in time, the bomb will explode and a penalty will be imposed on the team. No points will be awarded to the team after it explodes.

The bomb must not be moved till it is Disarmed (by scanning the corresponding RFID tag). In case it is moved before Disarming, the bomb will explode and a penalty will be imposed.

Each team gets a total of 5 minutes in the Arena to get as many points as they can.

Scoring System

  • Bomb Defusal: 20 points
  • Quarantining: 50 points

Penalty

  • Bomb Explosion: -50 points and the bomb cannot be defused again
  • Scanning two tags consecutively: -10 points

Knockout Round

After the individual rounds for all the teams are completed, the top four teams are selected for the Knockout Round.

The rules regarding bomb defusal are the same as in the Individual round. However, in the Knockout Round, two teams play at once.

One team gets 5 minutes to place the bombs in the Arena and the other team gets 5 minutes to defuse these bombs as per the rules in the Individual round. After this, the teams placing the bombs and defusing the bombs are reversed and the game is played again. The team with the highest cumulative score of setting and defusing wins.

The organizers of the competition will decide the number of bombs for the team to place in the Arena. The number of each type of bombs will be the same in both rounds.

All the bombs will initially be kept in the Bomb Quarantine part of the Arena and the team placing the bombs must lift the bombs and place it in the Bomb Maze part of the Arena. The team setting the bombs must follow these instructions:

  1. Read any unscanned RFID tag on the arena.
  2. Pick up a bomb from the Quarantine area using the robot.
  3. Place the bomb in any of the pre-defined bomb drop areas on the competition Arena. Only one bomb may be placed in a given drop area. The RFID tag assigned to this bomb is the one scanned in step 1. Hence, only one bomb can be assinged to each RFID tag.
  4. Repeat from step 1 until there is no more time left or there are no more bombs left in the Quarantine area.

The progression of the top four teams in the Knockout round is as follows:

Scoring System

Placing Bombs
  • Points awarded = Number of Bombs left after the round is over x 50 points
Defusing Bombs
  • Disarming: 20 points
  • Quarantining: 50 points

Penalty

Placing Bombs
  • No penalties
Defusing Bombs
  • Moving an Armed bomb: -50 points and the bomb cannot be defused again
  • Scanning two tags consecutively: -10 points

Rules and Guidelines

The organizers reserve the right to change any of the above said rules, at any time. Changes will be notified on the website and Facebook page. It is the participant’s responsibility to stay updated.

Setup Time

  • The participants will get 10 minutes of setup time for calibration and testing prior to the competition, according to a schedule that will be made available at the start of the event.
  • Ensure that all of the vehicle's sensors, especially the WiFi module and wireless control are working properly.
  • The bot must be placed in the starting point on the Arena, at the beginning of each round.

Competition

  • Before the start of a round, one participant from each team should be selected for controlling the robot. Only one person is allowed to control the robot until the round is completed.
  • Participants will not be permitted to enter the Arena or touch any of the bombs inside or outside the Arena, during a match.
  • A robot can only move one bomb at a time.
  • The robots can come in contact with the walls but should not damage it.
  • Participants should not dismantle their robots before the competition results are announced as the robots might need to be checked by the organizers at a later stage to ensure that the participants have not violated any of the rules.
  • In case of any dispute, the verdict of the judges is final.

Disqualification

A team may be disqualified due to, but not limited to the following:

  • The robot fails to meet any of the criteria in the Bot Specifications section.
  • The robot damages a bomb when moving it.
  • The participating team is not ready in time for the start of their turn.
  • The robot damages the Competition Arena.

Paritcipation

  • Participants can register in teams of 1-4 people.
  • Students from different educational institutes can form a team.
  • All participants must have a valid ID card from their educational institute.

Contact

Yohan MR

Phone: 9640553127

E-mail: yohanmr2102@gmail.com

Arnav Dhamija

Phone: 9900855740

E-mail: arnav.dhamija@gmail.com

Yashdeep Thorat

Phone: 9010712068

E-mail: yashdeep97@gmail.com