Self-Powered Smart Skins for Multimodal Static and Dynamic Tactile Perception
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United States of America Patent
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Issued Date -
Sep 26, 2024
app pub date -
Mar 5, 2024
filing date -
Mar 22, 2023
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Abstract
A smart skin system includes tactile sensors that mimic the functions of human skin by sensing pressure, vibration and humidity simultaneously and generate electric signals as a result thereof; and a machine learning assisted data processor that interprets the electric signals from the sensors and quantitively perceives the stimulation in terms of pressure, vibration, and environmental humidity. The sensor structurally comprises (1) a single-ion conducting electrolyte, which provides contact electrification, serves as a hygroscopic layer and produces DC hygroelectric signals in response to humidity, (2) a gold electrode and (3) a separatable aluminum electrode as a counter triboelectrification layer that produces AC triboelectric signals in response to contact.
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