Mobile Robot Mapping and Localization in Non-Static Environments

Cyrill Stachniss, Wolfram Burgard

Whenever mobile robots act in the real world, they need to be able to deal with non-static objects. In the context of mapping, a common technique to deal with dynamic objects is to filter out the spurious measurements corresponding to such objects. In this paper, we present a novel approach to estimate typical configurations of dynamic areas in the environment of a mobile robot. Our approach clusters local grid maps to identify the possible configurations. We furthermore describe how these clusters can be utilized within a Rao-Blackwellized particle filter to localize a mobile robot in a non-static environment. In practical experiments carried out with a mobile robot in a typical office environment, we demonstrate the advantages of our approach compared to alternative techniques for mapping and localization in dynamic environments.

Content Area: 17.Robotics

Subjects: 17. Robotics

Submitted: May 10, 2005


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