Design and Characterisation of Salt-E-Skin: Soft Saline-Filled Large-Scale Tactile E-Skin

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

Abstract

With the rise of soft robotics, a wide range of soft sensorised skins have been proposed and developed. One particular group, fluidic electronic skins, have been shown to be promising but, so far, have been limited to small scales. Here, we present a large-scale (35,440 mm2) sensory skin that uses an embedded channel system filled with saline and which is aimed to work as a prosthetic liner. Mechanical forces on the skin translate into channel deformations which can be
measured by changes in impedance through external electrodes. We developed a novel fabrication process based on methods commonly used in prosthodontics and jewellery making to overcome challenges related to the larger size of the skin. We tested two machine learning techniques, i.e., artificial neural networks and random forests, to learn the mapping of the impedance changes to the location of the physical interaction. The results provide new insights on how to improve the design, in particular, in how to improve the channel structure to increase sensory performance.
Original languageEnglish
Title of host publication 2024 IEEE International Conference on Soft Robotics (RoboSoft)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages9
Publication statusAccepted/In press - 18 Jan 2024
EventRobosoft 2024: IEEE International Conference on Soft Robotics - San Diego, United States
Duration: 14 Apr 202417 Apr 2024

Conference

ConferenceRobosoft 2024: IEEE International Conference on Soft Robotics
Country/TerritoryUnited States
CitySan Diego
Period14/04/2417/04/24

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