Pioneering a biomimetic approach for the acoustic near-field measurement of aye-aye biological auditory system

Hamidreza Nemati; Ehsan Dehghan-Niri

doi:10.1117/12.2613158

20 April 2022 Pioneering a biomimetic approach for the acoustic near-field measurement of aye-aye biological auditory system

Hamidreza Nemati, Ehsan Dehghan-Niri

Author Affiliations +

Proceedings Volume 12041, Bioinspiration, Biomimetics, and Bioreplication XII; 1204109 (2022) https://doi.org/10.1117/12.2613158
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

The aye-aye (Daubentonia madagascariensis) is the largest nocturnal primate in the world and possesses a number of distinct adaptations. The most striking feature of the aye-aye is perhaps its exceptional near-field auditory system adopted to support its unique tap-scanning process. This tap-scanning technique represents prominent evolutionary innovations in the animal’s biological auditory system. The current study provides an initial insight into proposing a biomimetic approach to determine how different morphological features might impact the ayeaye’s acoustic near-field auditory system. The experimental setup comprised a miniature piezoelectric hammer mounted on a Universal Robotics manipulator (UR5) (the integrated system provides a controlled tapping process) and a prepolarized capacitive measurement microphone (to capture the acoustic sound coming from each tap on the wooden sample). The pinnae of the aye-aye were 3D printed using a CT scan obtained from a carcass. The results show that the biomimetic setup can successfully be used for evaluating the near-field auditory system of aye-ayes.

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Hamidreza Nemati and Ehsan Dehghan-Niri "Pioneering a biomimetic approach for the acoustic near-field measurement of aye-aye biological auditory system", Proc. SPIE 12041, Bioinspiration, Biomimetics, and Bioreplication XII, 1204109 (20 April 2022); https://doi.org/10.1117/12.2613158

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