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Proceedings Paper

Activation of dielectric elastomer actuators by means of human electrophysiological signals
Author(s): F. Carpi; S. Raspopovic; D. De Rossi
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Paper Abstract

The assessed high electromechanical performances of dielectric elastomer actuators are encouraging the study of possible future applications of such devices for active prosthetic or orthotic systems for humans. Although the high electric fields currently needed for their driving prevent today a short-term use in endo- prostheses, their adoption for eso-prostheses or orthoses can be considered more realistic. Exoskeletons for improving muscular performance in specific tasks or for rehabilitation are examples of possible fields of investigation. Beyond a necessary technological development towards materials and devices capable of improved performances at reduced fields, the study of such applications requires even the identification of suitable strategies of activation and control. In particular, actuators to be used for such applications may take advantage from the possibility of being activated by electrophysiological signals. This would permit advantageous body's controls of the artificial system. In this context, this work presents activities carried on towards such a goal. In particular, activations of silicone-made dielectric elastomer actuators by means of different types of electrophysiological signals, opportunely elaborated, are presented and discussed.

Paper Details

Date Published: 22 March 2006
PDF: 7 pages
Proc. SPIE 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD), 61681B (22 March 2006); doi: 10.1117/12.655242
Show Author Affiliations
F. Carpi, Univ. degli Studi di Pisa (Italy)
S. Raspopovic, Univ. degli Studi di Pisa (Italy)
D. De Rossi, Univ. degli Studi di Pisa (Italy)

Published in SPIE Proceedings Vol. 6168:
Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD)
Yoseph Bar-Cohen, Editor(s)

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