ElastImpact: 2.5D Multilevel Instant Impact Using Elasticity on Head-Mounted Displays
summary
A wearable HMD rig delivers 2.5D instant impact by combining two side-mounted normal impactors and one rotatable tangential impactor; each uses an elastic band + mechanical brake driven by servo and DC motors to store and release energy, and a rubber-ball collider provides a clearer tangential hit. JND tests establish three distinguishable force levels (normal ~1.3/2.1/2.9 N; tangential ~1.11/1.9/2.7 N), and user studies show the combined 2.5D impacts significantly increase perceived realism versus 1D push or impact.
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chapters (13)
- 0:00Start
- 0:21Impact in VR
- 0:47Related Work - Impact
- 1:28Related Work - Haptics on HMD
- 2:15Design Considerations
- 6:56Imapct level 1
- 7:08Imapct level 2
- 7:28Contributions
- 7:45Just-Noticeable Difference Study
- 9:37JND Study
- 11:27VR Experience Study
- 13:34Limitations and Future Work
- 14:44Conclusion
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