Collaborative foraging using beacons

  • Authors:
  • Brian Hrolenok;Sean Luke;Keith Sullivan;Christopher Vo

  • Affiliations:
  • George Mason University, Fairfax, VA;George Mason University, Fairfax, VA;George Mason University, Fairfax, VA;George Mason University, Fairfax, VA

  • Venue:
  • Proceedings of the 9th International Conference on Autonomous Agents and Multiagent Systems: volume 3 - Volume 3
  • Year:
  • 2010

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Abstract

A classic example of multiagent coordination in a shared environment involves the use of pheromone deposits as a communication mechanism. Due to physical limitations in deploying actual pheromones, we propose a sparse representation of the pheromones using movable beacons. There is no communication between the beacons to propagate pheromones; instead, robots make movement and update decisions based entirely on local pheromone values. Robots deploy the beacons throughout the environment, and subsequently move them and update them using a variation of value iteration. Simulation results show that our approach is effective at finding good trails, locally improving them, and adapting to dynamic changes in the environments.