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Digitizing Touch with an Artificial Multimodal Fingertip by Lambeta, Mike; Wu, Tingfan; Sengul, Ali; Most, Victoria Rose; Black, Nolan; Sawyer, Kevin; Mercado, Romeo; Qi, Haozhi; Sohn, Alexander; Taylor, Byron; Tydingco, Norb; Kammerer, Gregg; Stroud, Dave; Khatha, Jake; Jenkins, Kurt; Most, Kyle; Stein, Neal; Chavira, Ricardo; Craven-Bartle, Thomas; Sanchez, Eric; Ding, Yitian; Malik, Jitendra; Calandra, Roberto is a scholarly article available to read on EtoBox.

What is Digitizing Touch with an Artificial Multimodal Fingertip about?

Touch is a crucial sensing modality that provides rich information about object properties and interactions with the physical environment. Humans and robots both benefit from using touch to perceive and interact with the surrounding environment (Johansson and Flanagan, 2009; Li et al., 2020; Calandra et al., 2017). However, no existing systems provide rich, multi-modal digital touch-sensing capabilities through a hemispherical compliant embodiment. Here, we describe several conceptual and technological innovations to improve the digitization of touch. These advances are embodied in an artificial finger-shaped sensor with advanced sensing capabilities. Significantly, this fingertip contains high-resolution sensors (~8.3 million taxels) that respond to omnidirectional touch, capture multi-modal signals, and use on-device artificial intelligence to process the data in real time. Evaluations show that the artificial fingertip can resolve spatial features as small as 7 um, sense normal and shear forces with a resolution of 1.01 mN and 1.27 mN, respectively, perceive vibrations up to 10 kHz, sense heat, and even sense odor. Furthermore, it embeds an on-device AI neural network accelerato

Author

Lambeta, Mike; Wu, Tingfan; Sengul, Ali; Most, Victoria Rose; Black, Nolan; Sawyer, Kevin; Mercado, Romeo; Qi, Haozhi; Sohn, Alexander; Taylor, Byron; Tydingco, Norb; Kammerer, Gregg; Stroud, Dave; Khatha, Jake; Jenkins, Kurt; Most, Kyle; Stein, Neal; Chavira, Ricardo; Craven-Bartle, Thomas; Sanchez, Eric; Ding, Yitian; Malik, Jitendra; Calandra, Roberto

Published

2024

Language

EN