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Providing Haptics to Walls & Heavy Objects in Virtual Reality by Means of Electrical Muscle

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We explore how to add haptics to walls and other heavy objects in virtual reality. When a user tries to push such an object, our system actuates the user’s shoulder, arm, and wrist muscles by means of electrical muscle stimulation, creating a counter force that pulls the user's arm backwards.

Providing Haptics to Walls & Heavy Objects in Virtual Reality by Means of Electrical Muscle Stimulation

Pedro Lopes, Sijing You, Lung-Pan Cheng, Sebastian Marwecki, Patrick Baudisch

CHI'17: ACM CHI Conference on Human Factors in Computing Systems
Session: Novel Game Interfaces

Abstract:
We explore how to add haptics to walls and other heavy objects in virtual reality. When a user tries to push such an object, our system actuates the user’s shoulder, arm, and wrist muscles by means of electrical muscle stimulation, creating a counter force that pulls the user's arm backwards. Our device accomplishes this in a wearable form factor. \ \ In our first user study, participants wearing a head-mounted display interacted with objects provided with different types of EMS effects. The repulsion design (visualized as an electrical field) and the soft design (visualized as a magnetic field) received high scores on “prevented me from passing through” as well as “realistic.” \ \ In a second study, we demonstrate the effectiveness of our approach by letting participants explore a virtual world in which all objects provide haptic EMS effects, including walls, gates, sliders, boxes, and projectiles. \ 

DOI: http://dx.doi.org/10.1145/3025453.302...
WEB: http://chi2017.acm.org/

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