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- Title
Wearable Haptic Device for Stiffness Rendering of Virtual Objects in Augmented Reality.
- Authors
Lee, Yongseok; Lee, Somang; Lee, Dongjun
- Abstract
We propose a novel wearable haptic device that can provide kinesthetic haptic feedback for stiffness rendering of virtual objects in augmented reality (AR). Rendering stiffness of objects using haptic feedback is crucial for realistic finger-based object manipulation, yet challenging particularly in AR due to the co-presence of a real hand, haptic device, and rendered AR objects in the scenes. By adopting passive actuation with a tendon-based transmission mechanism, the proposed haptic device can generate kinesthetic feedback strong enough for immersive manipulation and prevention of inter-penetration in a small-form-factor, while maximizing the wearability and minimizing the occlusion in AR usage. A selective locking module is adopted in the device to allow for the rendering of the elasticity of objects. We perform an experimental study of two-finger grasping to verify the efficacy of the proposed haptic device for finger-based manipulation in AR. We also quantitatively compare/articulate the effects of different types of feedbacks across haptic and visual sense (i.e., kinesthetic haptic feedback, vibrotactile haptic feedback, and visuo-haptic feedback) for stiffness rendering of virtual objects in AR for the first time.
- Subjects
HAPTIC devices; AUGMENTED reality; OBJECT manipulation
- Publication
Applied Sciences (2076-3417), 2021, Vol 11, Issue 15, p6932
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app11156932