Locating odour sources with mobile robots is a difficult task that can be applied to locating the sources of pollutants, concealed explosives or victims in disaster scenarios. The existing approaches for locating odour sources can be divided between those that simply seek to reach the chemical source, and those that use gas dispersion models to estimate its location. One of the most popular source estimation approaches is Infotaxis, which has been shown to have great sensitivity to the parameters of its gas distribution model.

    In this paper, we compare two evolutionary approaches for automatically selecting the values for these parameters along with a Genetic Programming approach for evolving human-readable source-seeking strategies. The comparisons are carried out in three simulated environments with different chemical plumes and the results show that the parameters that best fit the environment do not always lead to the highest performance. Also, depending on the scenario, the tree-based search strategies are able to perform equivalently to Infotaxis, at a lesser computational cost.


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    Titel :

    Assessing Infotaxis Sensitivity to Model Quality Through Evolutionary Computation


    Weitere Titelangaben:

    Lect. Notes in Networks, Syst.


    Beteiligte:
    Marques, Lino (Herausgeber:in) / Santos, Cristina (Herausgeber:in) / Lima, José Luís (Herausgeber:in) / Tardioli, Danilo (Herausgeber:in) / Ferre, Manuel (Herausgeber:in) / Macedo, João (Autor:in) / Marques, Lino (Autor:in) / Costa, Ernesto (Autor:in)

    Kongress:

    Iberian Robotics conference ; 2023 ; Coimbra, Portugal November 22, 2023 - November 24, 2023



    Erscheinungsdatum :

    27.04.2024


    Format / Umfang :

    14 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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