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Reciprocal n-Body Collision Avoidance

  • Jur van den Berg
  • Stephen J. Guy
  • Ming Lin
  • Dinesh Manocha
Part of the Springer Tracts in Advanced Robotics book series (STAR, volume 70)

Abstract

In this paper, we present a formal approach to reciprocal n-body collision avoidance, where multiple mobile robots need to avoid collisions with each other while moving in a common workspace. In our formulation, each robot acts fully independently, and does not communicate with other robots. Based on the definition of velocity obstacles [5], we derive sufficient conditions for collision-free motion by reducing the problem to solving a low-dimensional linear program. We test our approach on several dense and complex simulation scenarios involving thousands of robots and compute collision-free actions for all of them in only a few milliseconds. To the best of our knowledge, this method is the first that can guarantee local collision-free motion for a large number of robots in a cluttered workspace.

Keywords

Mobile Robot Current Velocity Collision Avoidance Obstacle Avoidance Optimization Velocity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Jur van den Berg
    • 1
  • Stephen J. Guy
    • 1
  • Ming Lin
    • 1
  • Dinesh Manocha
    • 1
  1. 1.Department of Computer ScienceUniversity of North Carolina at Chapel HillUSA

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