Self-organized flocking with a mobile robot swarm

  • Authors:
  • Ali E. Turgut;Hande Çelikkanat;Fatih Gökçe;Erol Şahin

  • Affiliations:
  • Middle East Technical Univ., Ankara, Turkey;Middle East Technical Univ., Ankara, Turkey;Middle East Technical Univ., Ankara, Turkey;Middle East Technical Univ., Ankara, Turkey

  • Venue:
  • Proceedings of the 7th international joint conference on Autonomous agents and multiagent systems - Volume 1
  • Year:
  • 2008

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Abstract

This paper studies self-organized flocking in a swarm of mobile robots. We present Kobot, a mobile robot platform developed specifically for swarm robotic studies, briefly describing its sensing and communication abilities. In particular, we describe a scalable method that allows the robots to sense the orientations of their neighbors using a digital compass and wireless communication. Then we propose a behavior for a swarm of robots that creates self-organized flocking by using heading alignment and proximal control. The flocking behavior is observed to operate in three phases: alignment, advance, and avoidance. We evaluate four variants of this behavior by setting its parameters to extreme values and analyze the performance of flocking using a number of metrics, such as order and entropy. Our results show that, the flocking behavior obtained under appropriate parameter values, is quite robust and generates successful self-organized flocking in constraint environments.