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Mobile robot exploration with potential information fields

AuthorsVallvé, Joan ; Andrade-Cetto, Juan
Issue Date2013
PublisherInstitute of Electrical and Electronics Engineers
CitationProceedings European Conference on Mobile Robots: 222-227 (2013)
AbstractWe present a mobile robot exploration strategy that computes trajectories that minimize both path and map entropies. The method evaluates joint entropy reduction and computes a potential field in robot configuration space using these joint entropy reduction estimates. The exploration trajectory is computed descending on the gradient of these field. The technique uses Pose SLAM as its estimation backbone. Very efficient kernel convolution mechanisms are used to evaluate entropy reduction for each sensor ray, and for each possible robot orientation, taking frontiers and obstacles into account. In the end, the computation of this field on the entire C-space is shown to be very efficient computationally. The approach is tested in simulations in a common publicly available dataset comparing favorably both in quality of estimates and execution time against another entropy reduction strategy that uses occupancy maps.
DescriptionPresentado al 6th ECMR celebrado en Barcelona del 25 al 27 de septiembre de 2013.
Publisher version (URL)http://dx.doi.org/10.1109/ECMR.2013.6698846
Identifiersdoi: 10.1109/ECMR.2013.6698846
Appears in Collections:(IRII) Libros y partes de libros
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