Augmented tactile-perception and haptic-feedback rings as human-machine interfaces aiming for immersive interactions

Zhongda Sun, Minglu Zhu, Xuechuan Shan and Chengkuo Lee ()
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Zhongda Sun: National University of Singapore
Minglu Zhu: National University of Singapore
Xuechuan Shan: Singapore Institute of Manufacturing Technology and National University of Singapore (SIMTech-NUS) Joint Lab on Large-area Flexible Hybrid Electronics, National University of Singapore
Chengkuo Lee: National University of Singapore

Nature Communications, 2022, vol. 13, issue 1, 1-13

Abstract: Abstract Advancements of virtual reality technology pave the way for developing wearable devices to enable somatosensory sensation, which can bring more comprehensive perception and feedback in the metaverse-based virtual society. Here, we propose augmented tactile-perception and haptic-feedback rings with multimodal sensing and feedback capabilities. This highly integrated ring consists of triboelectric and pyroelectric sensors for tactile and temperature perception, and vibrators and nichrome heaters for vibro- and thermo-haptic feedback. All these components integrated on the ring can be directly driven by a custom wireless platform of low power consumption for wearable/portable scenarios. With voltage integration processing, high-resolution continuous finger motion tracking is achieved via the triboelectric tactile sensor, which also contributes to superior performance in gesture/object recognition with artificial intelligence analysis. By fusing the multimodal sensing and feedback functions, an interactive metaverse platform with cross-space perception capability is successfully achieved, giving people a face-to-face like immersive virtual social experience.

Date: 2022
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DOI: 10.1038/s41467-022-32745-8

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