A robust and omnidirectional-sensitive electronic antenna for tactile-induced perception

Hao Ren, Liu Yang, Hong-yuan Chang, Tieshan Zhang, Gen Li, Xiong Yang, Yifeng Tang, Wanfeng Shang and Yajing Shen ()
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Hao Ren: City University of Hong Kong
Liu Yang: The Hong Kong University of Science and Technology
Hong-yuan Chang: The Hong Kong University of Science and Technology
Tieshan Zhang: The Hong Kong University of Science and Technology
Gen Li: The Hong Kong University of Science and Technology
Xiong Yang: The Hong Kong University of Science and Technology
Yifeng Tang: City University of Hong Kong
Wanfeng Shang: Chinese Academy of Sciences
Yajing Shen: The Hong Kong University of Science and Technology

Nature Communications, 2025, vol. 16, issue 1, 1-13

Abstract: Abstract Skin-like planar tactile sensors have achieved adaptive gripping, in-hand manipulation, and human-machine interaction but remain limited in tasks requiring active environmental interaction and robustness against large mechanical perturbations. Inspired by the biological antennas of nocturnal insects, we introduce a biological antenna-like electronic tactile sensor with enhanced mechanical robustness, capable of withstanding 1800% twist, 224% stretch, 360° bending, large compression, and punctures. Through segmented flexibility and partial magnetization, it achieves an impressive 1.76° omnidirectional loading recognition accuracy, outperforming biological antennas by 17 times. Its scalable plug-and-play capability, combined with an tactile perception algorithm, ensures seamless integration across various robots for diverse tasks. We demonstrate the vision-free navigation with 0.2 mm tracking deviation, 97% accuracy in ground texture recognition, and conformal robotic brushing on serpentine surfaces with a force variance of 0.34 N. This research offers valuable insights for active tactile-based environmental perception and interaction, promising advancements in robotics across various fields.

Date: 2025
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DOI: 10.1038/s41467-025-58403-3

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