Haptic PIVOT: On-Demand Handhelds in VR
summary
A wrist‑worn prototype called PIVOT mounts on a forearm cuff and uses a single actuated hinge to pivot a generic handle into the palm on demand, combining handheld reach with free-hand proxy-style interactions. It predicts incoming objects with an activation radius to pre-position for catching, drives the hinge to render gravity/inertia and adds a voice coil thud for contact. A 12‑person study reports grasp realism 5.19/7, catching/throwing 5.5/7, and 87% accuracy for ~100 g weight differences.
AI-written summary · about
chapters (8)
- 0:00Intro
- 0:21How we came to the idea
- 1:08What works
- 1:37Grasping
- 2:04Catching
- 2:43Force Rendering
- 3:30User Study
- 4:00Hardware
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