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- W4366996326 abstract "Wearable vibrotactile actuators are non-intrusive and inexpensive means to provide haptic feedback directly to the user's skin. Complex spatiotemporal stimuli can be achieved by combining multiple of these actuators, using the funneling illusion. This illusion can funnel the sensation to a particular position between the actuators, thereby creating virtual actuators. However, using the funneling illusion to create virtual actuation points is not robust and leads to sensations that are difficult to locate. We postulate that poor localization can be improved by considering the dispersion and attenuation of the wave propagation on the skin. We used the inverse filter technique to compute the delays and amplification of each frequency to correct the distortion and create sharp sensations that are easier to detect. We developed a wearable device stimulating the volar surface of the forearm composed of four independently controlled actuators. A psychophysical study involving twenty participants showed that the focused sensation improves confidence in the localization by 20% compared to the non-corrected funneling illusion. We anticipate our results to improve the control of wearable vibrotactile devices used for emotional touch or tactile communication." @default.
- W4366996326 created "2023-04-27" @default.
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- W4366996326 date "2023-01-01" @default.
- W4366996326 modified "2023-09-23" @default.
- W4366996326 title "<b>Focused vibrotactile stimuli from a wearable sparse array of actuators</b>" @default.
- W4366996326 doi "https://doi.org/10.1109/toh.2023.3270362" @default.
- W4366996326 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37097798" @default.
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