Design of a bioinspired ray robot with flexible fins

Giovanni Bianchi; Michele Tealdi; Simone Cinquemani

doi:10.1117/12.2613119

20 April 2022 Design of a bioinspired ray robot with flexible fins

Giovanni Bianchi, Michele Tealdi, Simone Cinquemani

Proceedings Volume 12041, Bioinspiration, Biomimetics, and Bioreplication XII; 120410G (2022) https://doi.org/10.1117/12.2613119
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Conference Poster

Abstract

This paper presents the design and construction of a biomimetic swimming robot inspired by the locomotion of rays. These fishes move by flapping their pectoral fins and creating a wave that moves in the opposite direction to the direction of motion, pushing the water back and giving the fish a propulsive force due to momentum conservation. The robot’s fins are molded from silicone rubber and moved by a servo motor that drives a mechanism inside the leading edge of each fin. The traveling wave, mimicking the movement of the fin, is passively generated by the flexibility of the rubber itself. The robot is also equipped with a tail that acts as a rudder, helpful in performing maneuvers. The rigid central body of the robot is the housing for motors, electronics, and batteries.

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Giovanni Bianchi, Michele Tealdi, and Simone Cinquemani "Design of a bioinspired ray robot with flexible fins", Proc. SPIE 12041, Bioinspiration, Biomimetics, and Bioreplication XII, 120410G (20 April 2022); https://doi.org/10.1117/12.2613119

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