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Wearable wireless tactile display for virtual interactions with soft bodies
Ist Teil von
Frontiers in bioengineering and biotechnology, 2014-09, Vol.2, p.31-31
Ort / Verlag
Switzerland: Frontiers Media S.A
Erscheinungsjahr
2014
Quelle
Free E-Journal (出版社公開部分のみ)
Beschreibungen/Notizen
We describe here a wearable, wireless, compact, and lightweight tactile display, able to mechanically stimulate the fingertip of users, so as to simulate contact with soft bodies in virtual environments. The device was based on dielectric elastomer actuators, as high-performance electromechanically active polymers. The actuator was arranged at the user's fingertip, integrated within a plastic case, which also hosted a compact high-voltage circuitry. A custom-made wireless control unit was arranged on the forearm and connected to the display via low-voltage leads. We present the structure of the device and a characterization of it, in terms of electromechanical response and stress relaxation. Furthermore, we present results of a psychophysical test aimed at assessing the ability of the system to generate different levels of force that can be perceived by users.