• DocumentCode
    2689633
  • Title

    Minimum uncertainty robot navigation using information-guided POMDP planning

  • Author

    Candido, Salvatore ; Hutchinson, Seth

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Univ. of Illinois, Urbana, IL, USA
  • fYear
    2011
  • fDate
    9-13 May 2011
  • Firstpage
    6102
  • Lastpage
    6108
  • Abstract
    A ubiquitous problem in robotics is determining policies that move robots with uncertain process and observation models (partially-observed state systems) to a goal configuration while avoiding collision. We propose a new method to solve this minimum uncertainty navigation problem. We use a continuous partially-observable Markov decision process (POMDP) model and optimize an objective function that considers both probability of collision and uncertainty at the goal position. By using information-theoretic heuristics, we are able to find policies that are effective for both minimizing collisions and stopping near the goal configuration. We additionally introduce a filtering algorithm that tracks collision free trajectories and estimates the probability of collision.
  • Keywords
    Markov processes; collision avoidance; continuous systems; filtering theory; heuristic programming; mobile robots; navigation; observers; probability; uncertain systems; POMDP model; collision avoidance; collision free trajectory; collision probability; continuous partially-observable Markov decision process; filtering algorithm; goal configuration; goal position; information-guided POMDP planning; information-theoretic heuristics; minimum uncertainty navigation problem; objective function; observation models; partially-observed state systems; robotics; ubiquitous problem; uncertainty robot navigation; Aerospace electronics; Approximation algorithms; Approximation methods; Collision avoidance; Robots; Switches; Uncertainty;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Robotics and Automation (ICRA), 2011 IEEE International Conference on
  • Conference_Location
    Shanghai
  • ISSN
    1050-4729
  • Print_ISBN
    978-1-61284-386-5
  • Type

    conf

  • DOI
    10.1109/ICRA.2011.5979695
  • Filename
    5979695