Real-time sliding perception based electric stimulation haptic feedback closed loop system

By embedding a bending sensor and a thin-film pressure sensor in the silicone contact layer, an electrostimulation tactile feedback closed-loop system was developed, which solved the problem that existing systems could not detect dynamic sliding. This system enables real-time perception and adaptive feedback of sliding, thereby improving the reliability of remote operation.

CN122431531APending Publication Date: 2026-07-21SHANGHAI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI UNIV
Filing Date
2026-04-28
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing electrical stimulation feedback systems cannot effectively detect dynamic sliding and generate adaptive feedback, which limits their application in fields such as precision remote operation.

Method used

A closed-loop system for tactile feedback based on real-time sliding perception was designed. By embedding a bending sensor on a silicone contact layer, combined with a thin-film pressure sensor and a microcontroller, the system can detect the sliding of objects in real time and generate corresponding tactile feedback through an electrical stimulation module and wearable electrode components.

Benefits of technology

It achieves real-time detection and adaptive feedback of dynamic sliding, improves the realism of tactile feedback and operational reliability, and enhances the ability to sense object slippage during remote operation.

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Abstract

The application provides a real-time sliding perception-based electric stimulation tactile feedback closed-loop system, comprising: a sensing end for sensing static contact and dynamic sliding of a clamped object; and a feedback end for generating corresponding electric stimulation tactile feedback according to a sensing signal of the sensing end; the sensing end comprises a silica gel contact layer, a support layer, a bending sensor embedded in the silica gel contact layer, a thin film pressure sensor attached to the bottom of the support layer, and a first single-chip microcomputer; the first single-chip microcomputer is electrically connected with the bending sensor and the thin film pressure sensor; the feedback end comprises an electric stimulation module, a wearable electrode assembly, and a second single-chip microcomputer, wherein the second single-chip microcomputer is in communication connection with the first single-chip microcomputer; and the wearable electrode assembly is electrically connected with the electric stimulation module. The application solves the problem that the electric stimulation feedback system in the prior art cannot effectively detect dynamic sliding and generate adaptive feedback.
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