Bio-inspired near-sensor computing,which integrates sensing and processing functions,presents a promising strategy to enhance efficiency and reduce latency in such applications.Here,we introduce tactile sensory nerve ...Bio-inspired near-sensor computing,which integrates sensing and processing functions,presents a promising strategy to enhance efficiency and reduce latency in such applications.Here,we introduce tactile sensory nerve systems with biologically realistic energy efficiency,utilizing starfish-inspired capacitive pressure sensors integrated with flexible memristors.These starfish-inspired sensors,with their high aspect ratio(~3)and stress-focusing,hourglass-shaped dielectric microstructures,enable highly sensitive tactile detection across a broad pressure range,effectively mimicking the properties of human skin.Artificial tactile sensory nerves,which integrate the capacitive sensor with a flexible memristor exhibiting synaptic plasticity,function reliably as energy-efficient near-sensor computing systems by bio-realistically transducing mechanical stimuli into transient electrical signals.The developed system operates as both an artificial nociceptor and a tactile near-sensor computing unit,with energy consumption approaching biological levels at approximately 140 pJ and 2.2 fJ,respectively.This neuro-inspired localized computing strategy offers a physical platform for advanced smart user interface applications.展开更多
基金supported by the National R&D Program through the National Research Foundation of Korea(NRF),funded by the Ministry of Science and ICT(No.RS-2023-00277635)supported by the National Research Foundation of Korea(NRF)grant funded by the Korea government(MSIT)(No.RS-2024-00411764)+1 种基金supported by a grant of the Basic Research Program funded by the Korea Institute of Machinery and Materials(grant number:NK254H)the Technology Innovation Program(RS-2024-00443121)funded By the Ministry of Trade Industry&Energy(MOTIE,Korea).
文摘Bio-inspired near-sensor computing,which integrates sensing and processing functions,presents a promising strategy to enhance efficiency and reduce latency in such applications.Here,we introduce tactile sensory nerve systems with biologically realistic energy efficiency,utilizing starfish-inspired capacitive pressure sensors integrated with flexible memristors.These starfish-inspired sensors,with their high aspect ratio(~3)and stress-focusing,hourglass-shaped dielectric microstructures,enable highly sensitive tactile detection across a broad pressure range,effectively mimicking the properties of human skin.Artificial tactile sensory nerves,which integrate the capacitive sensor with a flexible memristor exhibiting synaptic plasticity,function reliably as energy-efficient near-sensor computing systems by bio-realistically transducing mechanical stimuli into transient electrical signals.The developed system operates as both an artificial nociceptor and a tactile near-sensor computing unit,with energy consumption approaching biological levels at approximately 140 pJ and 2.2 fJ,respectively.This neuro-inspired localized computing strategy offers a physical platform for advanced smart user interface applications.
