The use of a Reasoning process to solve the almost SLAM Challenge at the Robocup legged league

  • Authors:

  • M. Teresa Escrig Monferrer;Juan Carlos Peris Broch

  • Affiliations:

  • Jaume I University, Engineering and Computer Science Department, Campus Riu Sec E-12071 Castellón (Spain), Phone: +34 964 728303 --fax: +34 964 728486, e-mail: escrigm@icc.uji.es;Jaume I University, Programming Languages and Computer Systems Department, Campus Riu Sec E-12071 Castellón (Spain), Phone: +34 964 728303 --fax: +34 964 728486, e-mail: jperis@lsi.uji.es

  • Venue:
  • Proceedings of the 2005 conference on Artificial Intelligence Research and Development
  • Year:
  • 2005

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Abstract

The problem that a robot navigates autonomously through its environment, builds its own map and localizes itself in the map (known a the SLAM problem), is still an open problem. Most of the approaches to solve the SLAM problem divide the space into regions and compute the probability that the robot is in each region. We propose in this paper a different solution based on the use of a reasoning process to build the map, which will provide the following advantages: (1) we will store in the map hybrid (qualitative + quantitative) information from landmarks. Qualitative representation will allow us the management of the uncertainty information provided by the robot sensors; and (2) we will store in the map relative information of the landmarks which appear in the environment, therefore the map will be independent of the point of view of the robot. Moreover, we are going to use a reasoning process which will allow us to solve three very important problems in robotics: (a) where the robot is; (b) which is the orientation of the map where the robot is; and (c) towards where the robot should go according to the map to follow a plan.