Rendering of Pressure and Textures Using Wearable Haptics in Immersive VR Environments

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PubDate: August 2018

Teams: University of Siena;CNRS

Writers: Giovanni Spagnoletti; Leonardo Meli; Tommaso Lisini Baldi; Guido Gioioso; Claudio Pacchierotti; Domenico Prattichizzo

PDF: Rendering of Pressure and Textures Using Wearable Haptics in Immersive VR Environments

Abstract

Haptic systems have only recently started to be designed with wearability in mind. Compact, unobtrusive, inexpensive, easy-to-wear, and lightweight haptic devices enable researchers to provide compelling touch sensations to multiple parts of the body, significantly increasing the applicability of haptics in many fields, such as robotics, rehabilitation, gaming, and immersive systems. In this respect, wearable haptics has a great potential in the fields of virtual and augmented reality. Being able to touch virtual objects in a wearable and unobtrusive way may indeed open new exciting avenues for the fields of haptics and VR. This work presents a novel wearable haptic system for immersive virtual reality experiences. It conveys the sensation of touching objects made of different materials, rendering pressure and texture stimuli through a moving platform and a vibrotactile abbrv-doi-hyperref-narrowmotor. The device is composed of two platforms: one placed on the nail side of the finger and one in contact with the finger pad, connected by three cables. One small servomotor controls the length of the cables, moving the platform towards or away from the fingertip. One voice coil actuator, embedded in the platform, provides vibrotactile stimuli to the user.

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