Robots with Lights: Overcoming Obstructed Visibility Without Colliding View Full Text


Ontology type: schema:Chapter      Open Access: True


Chapter Info

DATE

2014

AUTHORS

Giuseppe Antonio Di Luna , Paola Flocchini , Sruti Gan Chaudhuri , Nicola Santoro , Giovanni Viglietta

ABSTRACT

In this paper we start the study of computing when visibility is obstructable, and investigate the most basic problem for this setting, Complete Visibility: The agents must reach within finite time a configuration where they can all see each other and terminate. We do not make any assumption on a-priori knowledge of the number of agents, on rigidity of movements nor on chirality. The local coordinate system of an agent may change at each activation. Also, by definition of lights, an agent can communicate and remember only a constant number of bits in each cycle. In spite of these weak conditions, we prove that Complete Visibility is always solvable, even in the asynchronous setting, without collisions and using a small constant number of colors. The proof is constructive. We also show how to extend our protocol for Complete Visibility so that, with the same number of colors, the agents solve the (non-uniform) Circle Formation problem with obstructed visibility. More... »

PAGES

150-164

References to SciGraph publications

  • 2005. Biangular Circle Formation by Asynchronous Mobile Robots in STRUCTURAL INFORMATION AND COMMUNICATION COMPLEXITY
  • 2005. Distributed Coordination Algorithms for Mobile Robot Swarms: New Directions and Challenges in DISTRIBUTED COMPUTING – IWDC 2005
  • 2012. Gathering of Fat Robots with Limited Visibility and without Global Navigation in SWARM AND EVOLUTIONARY COMPUTATION
  • 2013. Rendezvous of Two Robots with Constant Memory in STRUCTURAL INFORMATION AND COMMUNICATION COMPLEXITY
  • 2014. Synchronized Dancing of Oblivious Chameleons in FUN WITH ALGORITHMS
  • 2014. Rendezvous of Two Robots with Visible Bits in ALGORITHMS FOR SENSOR SYSTEMS
  • 2013. Circle Formation by Asynchronous Transparent Fat Robots in DISTRIBUTED COMPUTING AND INTERNET TECHNOLOGY
  • 2007. Distributed Models and Algorithms for Mobile Robot Systems in SOFSEM 2007: THEORY AND PRACTICE OF COMPUTER SCIENCE
  • Book

    TITLE

    Stabilization, Safety, and Security of Distributed Systems

    ISBN

    978-3-319-11763-8
    978-3-319-11764-5

    Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/978-3-319-11764-5_11

    DOI

    http://dx.doi.org/10.1007/978-3-319-11764-5_11

    DIMENSIONS

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