Enhancing haptic continuity in virtual reality using a continuity reinforcement skeleton

Xinyuan Wang, Zhiqiang Meng and Chang Qing Chen ()
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Xinyuan Wang: Tsinghua University
Zhiqiang Meng: Tsinghua University
Chang Qing Chen: Tsinghua University

Nature Communications, 2025, vol. 16, issue 1, 1-11

Abstract: Abstract Haptic displays are crucial for facilitating an immersive experience within virtual reality. However, when displaying continuous movements of contact, such as stroking and exploration, pixel-based haptic devices suffer from losing haptic information between pixels, leading to discontinuity. The trade-off between the travel distance of haptic elements and their pixel size in thin wearable devices hinders solutions that solely rely on increasing pixel density. Here we introduce a continuity reinforcement skeleton, which employs physically driven interpolation to enhance haptic information. This design enables the off-plane displacement to move conformally and display haptic information between pixel gaps. Efforts are made to quantify haptic display quality using geometric, mechanical, and psychological criteria. The development and integration of one-dimensional, two-dimensional, and curved haptic devices with virtual reality systems highlight the impact of the continuity reinforcement skeleton on haptic display, showcasing its potential for improving haptic experience.

Date: 2025
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DOI: 10.1038/s41467-025-58318-z

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