impacto: a wearable that simulates physical impact in VR (UIST2015 best talk nomination)




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Published on Nov 28, 2015

Impacto is a work by Pedro Lopes, Alexandra Ion, and Patrick Baudisch at the Hasso Plattner Institut.

//download the slides to follow this talk:
https://dl.dropboxusercontent.com/u/7... (pptx)
https://dl.dropboxusercontent.com/u/7... (pdf)

// Learn more about the work

// read the paper
Impacto: Simulating Physical Impact by Combining Tactile Stimulation with Electrical Muscle Stimulation, UIST 2015.

We present impacto, a device designed to render the haptic sensation of hitting and being hit in virtual reality. The key idea that allows the small and light impacto device to simulate a strong hit is that it decomposes the stimulus: it renders the tactile aspect of being hit by tapping the skin using a solenoid; it adds impulse to the hit by thrusting the user’s arm backwards using electrical muscle stimulation. The device is self-contained, wireless, and small enough for wearable use, and thus leaves the user unencumbered and able to walk around freely in a virtual environment. The device is of generic shape, allowing it to also be worn on legs so as to enhance the experience of kicking, or merged into props, such as a baseball bat. We demonstrate how to assemble multiple impacto units into a simple haptic suit. Participants of our study rated impacts simulated using impacto’s combination of a solenoid hit and electrical muscle stimulation as more realistic than either technique in isolation.

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