Build a Robot to Overtake: Line Following Bot - Pragyan'08

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Discussion Overview

The discussion revolves around the design and strategies for building a line-following robot capable of overtaking another robot in a competition setting. Participants explore various technical approaches, challenges, and ideas related to obstacle detection and decision-making processes in the context of robotic competition.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant notes the commonality of line-following robots in competitions and seeks innovative ideas for overtaking another bot.
  • Another participant expresses concern about detecting the other bot and making decisions based on its position.
  • A question is posed regarding the setup of obstacles and whether the robot must remain on the lines or can change lanes dynamically.
  • A suggestion is made to use a dual battery system to increase power upon contact with the other robot, referencing techniques from sumo bots.
  • One participant expresses frustration with the competition rules, suggesting they limit the fun and strategic possibilities of overtaking.

Areas of Agreement / Disagreement

Participants express various viewpoints on the complexity and rules of the competition, indicating that multiple competing ideas and strategies remain without consensus on the best approach.

Contextual Notes

Some assumptions about the robot's operational constraints, such as whether it can backtrack or change lanes, remain unresolved. The discussion also reflects varying levels of experience and resources among participants.

Who May Find This Useful

Individuals interested in robotics, particularly in competitive settings, as well as those exploring innovative strategies for line-following and obstacle detection in robotic design.

benzun_1999
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line following robot is a very common thing now in robot competition.. but i am up with a very different challenge.. i must build a bot that must overtake another bot using lines... can anyone suggest me ideas?? the question is here..
http://pragyan.org/08/home/events/robovigyan/simbot/
 
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Does anyone have any new ideas?
 
What are your thoughts so far? You must have some initial thoughts that you can share?
 
we are using ir led for line detection... and we are using ultrasonics for detecting obstacle.. its the other bot detection and making decision based on it that we are quiet worried about
 
How are the obstacles set up? Is it like:
1 Start on left line
2 move forward until encounter obstacle
3 move right until line found
4 move forward until encounter obstacle
5 check right/left, move right/left until line found goto 4

Or does it have to be dynamic, in that you can't change lanes if the other robot is there.
Can you go backward? Does it HAVE to stay on the lines?

This seems pretty easy for some reason, the challenge comes into how complex your microprocessor can be, and getting your detectors calibrated.

I wish I had free time, (and spare cash), I'd love to do this. Maybe I should have stayed an electrical engineer...
 
One thing you can do, a trick from sumo bots, is use, for example, two nine volt batteries for your power source, but only have it run on one until a trigger is hit, for instance a tactile sensor from touching the other bot, then you'd have it kick in with the second battery for double the power. Do you have a copy of "Junkbots, bugbots, and bots on wheels"? If not either get a copy from the library or buy one, it is immensely useful.
 
The posted rules take most of the fun out of it. What's the point if you can't goose the opponent?
 

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