Robotics Technical Meetings

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  1. Community. Keep everyone updated as to what other work is going on in the lab
  2. Research. Cross germination. Get feedback. Get help on problems. Get ideas.
  3. Technical Issues. Discuss the technical issues that are faced during the experiments.



  1. Informal presentation in the arena
  2. Demo
  3. Discussion

Thursday 5th Dec 2013 - Lorenzo

Abstract. Lorenzo showed his experiment in which a e-puck swarm has to create a chain starting from a TAM.

Beginning of the experiment - All the robots are looking for the TAM.
The epuck colored in green is the guardian of the TAM. It entered the TAM and is working as landmark for the other epucks. The next epuck, to enter the TAM will navigate around the guardian and then stop in order to start the chain.
The epuck colored in magenta is in the tail of the chain. The next epuck will continue the chain after the tail.
For short time it can happen that there are two chains due to rab communication delays.
The chain is complete. From this moment the robot try to align in order to create a straight chain.
End of the experiment - the chain is perfectly straight.


Mess in front of the TAM: When there is no tail yet, each epuck that enters the tam, starts to go around the guardian. It stops when it's able to see the guardian and the tam's led. This condition happens rarely due to the other epucks that try to enter the tam.
Proposed Solutions:1- The use of selective send of the range and bearing. 2- Use a uniform probability to stop.