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Related Concept Videos

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Related Experiment Video

Updated: Jan 15, 2026

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A Reconfigurable Omnidirectional Triboelectric Whisker Sensor Array for Versatile Human-Machine-Environment

Weichen Wang1, Jiaqi Zhu1,2, Hongfa Zhao1

  • 1Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, People's Republic of China.

Nano-Micro Letters
|October 13, 2025
PubMed
Summary
This summary is machine-generated.

A new reconfigurable omnidirectional triboelectric whisker sensor array (RO-TWSA) offers high-precision tactile sensing. This versatile interface enables robust, adaptable human-machine interaction across diverse surfaces.

Keywords:
Interaction interfaceOmnidirectional sensorReconfigurable sensor arrayReversible anchoringTactile perception

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Area of Science:

  • Materials Science
  • Robotics
  • Human-Computer Interaction

Background:

  • Developing advanced sensing interfaces is critical for human-machine-environment interaction.
  • Existing sensing skins face challenges in reconfiguration, multiaxial sensing, and surface adaptability.
  • Limitations hinder robust performance on dynamic or irregular surfaces.

Purpose of the Study:

  • To develop a reconfigurable omnidirectional triboelectric whisker sensor array (RO-TWSA) for versatile and high-precision sensing.
  • To enable reliable deployment and omnidirectional perception across diverse surfaces.
  • To address limitations in current sensing technologies for complex interaction scenarios.

Main Methods:

  • Integration of a triboelectric whisker structure (TWS) with an untethered hydro-sealing vacuum sucker (UHSVS).
  • Utilizing a dual-triangular electrode layout and a MXene/silicone nanocomposite dielectric layer.
  • Employing a novel hydrogel for robust, water-absorbent multi-surface anchoring.

Main Results:

  • Achieved precise omnidirectional force and motion sensing with a low detection threshold (0.024 N) and high angular resolution (5°).
  • Demonstrated reliable and reversible multi-surface anchoring using the UHSVS.
  • Validated effectiveness across teleoperation, tactile diagnostics, and robotic autonomous exploration scenarios.

Conclusions:

  • The RO-TWSA provides a versatile, high-resolution tactile interface.
  • This technology offers new possibilities for intelligent perception in complex environments.
  • The developed sensor array enhances human-machine interaction capabilities.