Smart materials based on ElectroActive Polymers (EAP) offer today attractive electromechnaical transduction properties, suitable for actuation devices capable of mimicking functional characteristics of biological muscles and structures. Within the broad EAP family, dielectric elastomers represent one of the most performing classes of materials, able to show superior electromechanical properties. This paper presents the ongoing research activities and the latest results achieved in our lab for the development of soft contractile actuators made of dielectric elastomers, along with their possible uses for biomimetic and biomedical systems. Devices here described exploit the basic principle of operation of any dielectric elastomer actuator, i.e. an electrical squeezing of an elastomeric insulator, although specifically implemented by means of different structural configurations with tailored active features. In particular, new actuators shaped as contractile linear devices are emphasised, with reference to possible applications currently considered.
Contractile dielectric elastomer actuators: devices and examples of biomimetic and biomedical applications / Federico Carpi; Danilo De Rossi. - In: MATERIALS SCIENCE RESEARCH JOURNAL. - ISSN 1935-2441. - ELETTRONICO. - 2:(2008), pp. 1-17.
Contractile dielectric elastomer actuators: devices and examples of biomimetic and biomedical applications
CARPI, FEDERICO;
2008
Abstract
Smart materials based on ElectroActive Polymers (EAP) offer today attractive electromechnaical transduction properties, suitable for actuation devices capable of mimicking functional characteristics of biological muscles and structures. Within the broad EAP family, dielectric elastomers represent one of the most performing classes of materials, able to show superior electromechanical properties. This paper presents the ongoing research activities and the latest results achieved in our lab for the development of soft contractile actuators made of dielectric elastomers, along with their possible uses for biomimetic and biomedical systems. Devices here described exploit the basic principle of operation of any dielectric elastomer actuator, i.e. an electrical squeezing of an elastomeric insulator, although specifically implemented by means of different structural configurations with tailored active features. In particular, new actuators shaped as contractile linear devices are emphasised, with reference to possible applications currently considered.File | Dimensione | Formato | |
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