[2606.13746] Scalable Dynamic Tactile Sensing Enabled by Passive and Flexible Acoustic Waveguides
[Submitted on 11 Jun 2026]
Title:Scalable Dynamic Tactile Sensing Enabled by Passive and Flexible Acoustic Waveguides
View a PDF of the paper titled Scalable Dynamic Tactile Sensing Enabled by Passive and Flexible Acoustic Waveguides, by Guimin Long and 4 other authors
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Abstract:Artificial dynamic tactile sensing requires sensitivity, robustness, and compliance, yet existing technologies face trade-offs when scaling to large-area arrays, compounded by wiring complexity and cost. Here, we report a passive distributed paradigm using deep sub-wavelength acoustic waveguides that decouples performance from structural flexibility. Elastic-membrane-capped Helmholtz resonators interconnected by spring-reinforced microtubes form an enclosed network with invariant acoustic transmission under macroscopic bending. By sparsely embedding microphones, the system achieves real-time localization (4 mm highest spatial resolution; >99% accuracy in a 4 microphones 64-node sensing array) and waveform reconstruction of low-frequency signals (
new | recent | 2026-06
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