Tactile displays often face challenges like high power consumption,bulky control systems,and limited portability,hindering their application in wearable technologies.This work presents a novel thermopneumatic tactile ...Tactile displays often face challenges like high power consumption,bulky control systems,and limited portability,hindering their application in wearable technologies.This work presents a novel thermopneumatic tactile display that operates via localized heating of a small air volume,enabling lowvoltage operation with standard batteries.Its fully portable design integrates control electronics into a wearable bracelet with Bluetooth activation,enhancing practicality.Mechanical tests demonstrated the device’s ability to generate forces exceeding 30 mN and displacements of tens of microns using pulsed signals with modulable durations and frequencies.User tests with voluntary participants confirmed its effectiveness as a tactile display,achieving 83%accuracy in recognizing Braille patterns.By addressing key limitations of traditional systems,this approach offers a promising solution for compact,low-power wearable tactile interfaces.展开更多
文摘Tactile displays often face challenges like high power consumption,bulky control systems,and limited portability,hindering their application in wearable technologies.This work presents a novel thermopneumatic tactile display that operates via localized heating of a small air volume,enabling lowvoltage operation with standard batteries.Its fully portable design integrates control electronics into a wearable bracelet with Bluetooth activation,enhancing practicality.Mechanical tests demonstrated the device’s ability to generate forces exceeding 30 mN and displacements of tens of microns using pulsed signals with modulable durations and frequencies.User tests with voluntary participants confirmed its effectiveness as a tactile display,achieving 83%accuracy in recognizing Braille patterns.By addressing key limitations of traditional systems,this approach offers a promising solution for compact,low-power wearable tactile interfaces.
