让触觉交互更沉浸：视觉+电刺激实现双向触感反馈
VET: A Visual-Electronic Tactile System for Immersive Human-Machine Interaction
- 用印刷工艺融合视觉触觉传感器与电刺激膜，实现触觉输入输出一体化
- 实测验证手指电刺激敏感区，支持游戏与机械臂远程操控应用
- 适合人机交互、虚拟现实、康复训练等需要真实触感的场景
为提升人机交互的沉浸感，实现单界面高维触觉输入输出成为研究重点。本文提出并实现视觉-电子触觉（VET）系统，基于视觉触觉传感器（VBTS）融合电刺激反馈，构建双向触觉通信框架。通过丝网印刷工艺将电刺激膜与VBTS无缝集成，避免传统方法干扰。VBTS通过视触信号捕捉多维输入，电刺激直接激活神经通路，不干扰视触信息。实验验证了手指电刺激敏感区，并应用于交互游戏与机械臂遥操作。该系统为双向触觉交互提供新范式，拓展广泛应用前景。
原文摘要 · Abstract (English)
In the pursuit of deeper immersion in human-machine interaction, achieving higher-dimensional tactile input and output on a single interface has become a key research focus. This study introduces the Visual-Electronic Tactile (VET) System, which builds upon vision-based tactile sensors (VBTS) and integrates electrical stimulation feedback to enable bidirectional tactile communication. We propose and implement a system framework that seamlessly integrates an electrical stimulation film with VBTS using a screen-printing preparation process, eliminating interference from traditional methods. While VBTS captures multi-dimensional input through visuotactile signals, electrical stimulation feedback directly stimulates neural pathways, preventing interference with visuotactile information. The potential of the VET system is demonstrated through experiments on finger electrical stimulation sensitivity zones, as well as applications in interactive gaming and robotic arm teleoperation. This system paves the way for new advancements in bidirectional tactile interaction and its broader applications.
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