Modifying Directionality through Auditory System Scaling in a Robotic Lizard

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Abstrakt

The peripheral auditory system of a lizard is strongly directional. This directionality is created by acoustical coupling of the two eardrums and is strongly dependent on characteristics of the middle ear, such as interaural distance, resonance frequency of the middle ear cavity and of the tympanum. Therefore, directionality should be strongly influenced by their scaling. In the present study, we have exploited an FPGA–based mobile robot based on a model of the lizard ear to investigate the influence of scaling on the directional response, in terms of the robot’s performance in a phonotaxis task. The results clearly indicate that the model’s frequency response scales proportionally with the model parameters.

OriginalsprogEngelsk
TitelFrom Animals to Animats 11 : 11th International Conference on Simulation of Adaptive Behavior, SAB 2010, Paris - Clos Lucé, France, August 25-28, 2010. Proceedings
RedaktørerStéphane Doncieux, Benoît Girard, Agnès Guillot, John Hallam, Jean-Arcady Meyer, Jean-Baptiste Mouret
Antal sider11
Vol/bind6226
ForlagSpringer
Publikationsdato2010
Udgave1st
Sider82-92
Kapitel8
ISBN (Trykt)978-3-642-15192-7
DOI
StatusUdgivet - 2010
NavnLecture Notes in Computer Science
Vol/bind6226
ISSN0302-9743

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