Edoardo Bargis
Design and fabrication of a bioinspired synthetic cuticle with embedded sensors for tactile sensing.
Rel. Laura Gastaldi, Pavan Ramdya. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Biomedica, 2025
Abstract
Tactile sensing is a fundamental aspect of how humans and animals interact with the world. It allows us to manipulate objects, perceive textures, detect slippage, and adjust grip force in real time. However, despite recent advances, most prosthetic and robotic systems still fail to replicate this sense of touch, limiting their overall usability. In this context, insects such as Drosophila melanogaster offer a compelling source of inspiration. Their exoskeleton embeds numerous lightweight and energy-efficient mechanosensors, such as hair bristles and campaniform sensilla, which allow them to quickly and accurately sense forces. This thesis presents the design, fabrication, and testing of a bioinspired, bristle-like tactile sensor.
The proposed sensor mimics the geometry and mechanical behaviour of Drosophila hair bristles by using an inclined pillar embedded in a substrate to detect normal forces
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