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Entropy, Vol. 20, Pages 456: Autonomous Exploration and Mapping with RFS Occupancy-Grid SLAM

Entropy, Vol. 20, Pages 456: Autonomous Exploration and Mapping with RFS Occupancy-Grid SLAM

Entropy doi: 10.3390/e20060456

Authors: Branko Ristic Jennifer L. Palmer

This short note addresses the problem of autonomous on-line path-panning for exploration and occupancy-grid mapping using a mobile robot. The underlying algorithm for simultaneous localisation and mapping (SLAM) is based on random-finite set (RFS) modelling of ranging sensor measurements, implemented as a Rao-Blackwellised particle filter. Path-planning in general must trade-off between exploration (which reduces the uncertainty in the map) and exploitation (which reduces the uncertainty in the robot pose). In this note we propose a reward function based on the Rényi divergence between the prior and the posterior densities, with RFS modelling of sensor measurements. This approach results in a joint map-pose uncertainty measure without a need to scale and tune their weights.

Autoren:   Ristic, Branko ; Palmer, Jennifer L.
Journal:   Entropy
Band:   20
Ausgabe:   6
Jahrgang:   2018
Seiten:   456
DOI:   10.3390/e20060456
Erscheinungsdatum:   12.06.2018
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