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Extending Applications of Dielectric Elastomer Artificial Muscle

Identifieur interne : 005C23 ( Main/Merge ); précédent : 005C22; suivant : 005C24

Extending Applications of Dielectric Elastomer Artificial Muscle

Auteurs : Seiki Chiba [États-Unis] ; Mikio Waki [Japon] ; Roy Kombluh [États-Unis] ; Ron Pelrine [États-Unis]

Source :

Proceedings of SPIE - The International Society for Optical Engineering [ 0277-786X ] ; 2007.

RBID : Pascal:08-0449948

Descripteurs français

Pascal (Inist)
- Déformation mécanique, Actionneur, Etude expérimentale, Matériau diélectrique, Muscle artificiel, Haut parleur, 0130C, 0707D.

English descriptors

KwdEn :
- Actuators, Artificial muscle, Dielectric materials, Experimental study, Loudspeakers, Strains.

Abstract

Dielectric elastomers have demonstrated high energy density and high strains as well as high electromechanical efficiency and fast speeds of response. These properties, combined with their projected low cost make them attractive for a variety of actuator applications including linear actuators, diaphragm pumps, rotary motors, and haptic displays. Dielectric elastomers have also been shown to offer high energy density, high efficiency, and large strains when operated as generators. Dielectric elastomers have reached a stage of development where standardized products can be applied to new applications. In some cases, dielectric elastomer devices are improvements over existing devices. In other cases, however, dielectric elastomers can enable new types of devices that cannot be made with existing technologies, such as new types of loudspeakers and power generating devices. A new dipole loudspeaker system was developed using a commercially available push-pull diaphragm configuration. This same transducer configuration was used to develop a new power generating system. This generator system enables a power generation of 0.06 to 0.12 W by manually displacing the device by 5 to 6 nun once a second. By introducing a voltage step-down conversion circuit, the device was able to power wireless communications, allowing the control of devices separated by a distance of a few meters. These two devices are examples of the new applications that are enabled as the dielectric elastomer technology commercially emerges. Future improvements to dielectric elastomers could enable new capabilities in clean electrical power generation from ocean waves, for example.

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Pascal:08-0449948

Le document en format XML

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<term>Etude expérimentale</term>
<term>Matériau diélectrique</term>
<term>Muscle artificiel</term>
<term>Haut parleur</term>
<term>0130C</term>
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<front><div type="abstract" xml:lang="en">Dielectric elastomers have demonstrated high energy density and high strains as well as high electromechanical efficiency and fast speeds of response. These properties, combined with their projected low cost make them attractive for a variety of actuator applications including linear actuators, diaphragm pumps, rotary motors, and haptic displays. Dielectric elastomers have also been shown to offer high energy density, high efficiency, and large strains when operated as generators. Dielectric elastomers have reached a stage of development where standardized products can be applied to new applications. In some cases, dielectric elastomer devices are improvements over existing devices. In other cases, however, dielectric elastomers can enable new types of devices that cannot be made with existing technologies, such as new types of loudspeakers and power generating devices. A new dipole loudspeaker system was developed using a commercially available push-pull diaphragm configuration. This same transducer configuration was used to develop a new power generating system. This generator system enables a power generation of 0.06 to 0.12 W by manually displacing the device by 5 to 6 nun once a second. By introducing a voltage step-down conversion circuit, the device was able to power wireless communications, allowing the control of devices separated by a distance of a few meters. These two devices are examples of the new applications that are enabled as the dielectric elastomer technology commercially emerges. Future improvements to dielectric elastomers could enable new capabilities in clean electrical power generation from ocean waves, for example.</div>
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Extending Applications of Dielectric Elastomer Artificial Muscle

Extending Applications of Dielectric Elastomer Artificial Muscle

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

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