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Calibration - 26^th February, 1000 hrs to 1700 hrs, CLC

Finals - 27^th February, 1000 hrs to 1700 hrs, CLC

Have you ever heard of crop circles? They are strange patterns created by flattening of crops in fields. They are made by unknown forces who some say are of extra terrestrial origin! Whatever they may be, we think there is hidden information in the way they are arranged. You are to design an autonomous bot which travels through these crop circles and deciphers the information!

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Problem Statement

Design an autonomous bot that navigates a set of concentric circles and outputs the number encoded by the circles.

Arena Specifications

• The arena will consist of a set of concentric circles.
• The maximum number of circles will be 5.
• The circles are black with a width of 2.5cm on a white background.
• There will be paths from one circle to the other as shown in the sample arena.
• The bot has to start from the innermost circle and traverse each circle and finally output the information encoded in the circles as a four bit number.
• Each circle is considered to contribute one bit to the number.
• The circle represents 1 if the number of paths leading out from the circle is even and 0 if the number of paths leading out is odd.
• There will be atleast one path between adjacent circles.
• The innermost circle will have a diametric line as a reference.
• The Least Significant Bit (LSB) of the number is from the innermost circle.
• The finish point of the track is specified by a black square of dimension 20X20cm
• There may be multiple finish points as shown in the sample arena and the bot can end in any one of them.

Rules:

• The bot will be placed with its back end coinciding with the starting line.
• The bot is expected to stop only when some part of it has crossed into the finishing zone, after which it should display the decoded number by any means previously made known to the organizers.
• The innermost circles will correspond to LSB (Least Significant Bit).

Judging Criteria:

• The winners wil be decided on the time of the completion of the track.
• The bots which correctly display the decoded number from the circles will be ranked above those which dont.

Bot specifications:

• A fully autonomous line-following robot has to be built which will be able to traverse the entire arena.
• The dimensions should not exceed 20x20cm. The height of the bot is immaterial.
• Power supply should be on board. No external supply will be provided. The maximum voltage between any two points on the bot cannot exceed 12 volts.
• Use of Lego kits or other readymade kits is strictly prohibited.
• The organisers reserve the right to disqualify any bot that is found to not adhere to the specifications.

Other Details

• A maximum of 3 members is allowed per team.
• A total of 10 minutes will be alloted per team. Teams may split this time into a maximum of three trials.

Eligibility:

All students with a valid identity card of their respective educational institutes are eligible to participate in this event.

Certificate Details:

• Certificate of Excellence will be given to the top 3 teams emerging from this competition.
• Certificates of Participation will be given to all the teams whose bot is able to negotiate atleast one two circles.

Can micro-controller development boards be used?

No, the controller circuit should be designed by the participants. The self designed PCB's can be used though a hard copy of the design should be produced to the jury before the bot is to run.

Can a readymade chassis be used?

Yes, chassis or parts from toys or other means are allowed. But lego kits are not allowed.

Is there a prelims for the event?

No.There will be a sample arena for the participants to calibrate their bots but participants coming directly on the day of the event will not be given time for calibration apart from the run time given to all participants. The participants have to explain the functioning of their bots to the jury before the event. The jury reserves the right to disqualify the bots that do not seem as made by the concerned participant.

How should I display the decoded number?

There are no fixed means specified. Participants are free to use any means like sequence of LED's, 7 segment display, LCD etc. Participants have to inform the organizers of their display means prior to their trial on the arena.

Is there any specifics to be followed in between trials?

There should be a power reset in between each trial. All robots will be collected before the arena is displayed and you will not be allowed to change anything on the bot once your bot's run has begun.

What'll the arena be made of?

Arena will be made of wood and the track painted on it, providing sufficient friction and reflectivity.

Rajeev Kumar J
+91 99401 07240

Aravind A
+91 97906 36595