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Active Metamaterials with Tunable Shear Nonreciprocity and Nonlinear Dynamics

Advanced Science, EarlyView.
Active gear‐based mechanical metamaterials enable simultaneous control of translational and torsional stiffnesses by 30–100×, break shear reciprocity under positive versus negative loads, broadly tune resonant frequencies, and offer programmable dynamic responses.
Xin Fang, Miao Yu, Dianlong Yu, Li Cheng
wiley   +1 more source

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Biomimetic Dielectric Elastomer Actuators

The First IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics, 2006. BioRob 2006., 2006
Polymer actuators offer attractive properties as biomimetic devices capable of mimicking functional characteristics of biological muscles and structures. This paper presents the ongoing research activities and the latest results achieved in our lab in the development of soft actuators made of a particular class of electroactive polymers, consisting of ...
CARPI, FEDERICO, De Rossi, Danilo
openaire   +1 more source

Stretching Dielectric Elastomer Performance

Science, 2010
Devices using materials that deform in response to electricity are based on a phenomenon that was observed more than two centuries ago.
CARPI, FEDERICO, Bauer, Siegfried, De Rossi, Danilo   +2 more
openaire   +1 more source

Dielectric elastomer composites

Journal of the Mechanics and Physics of Solids, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Tian, L., Tevet-Deree, L., deBotton, G., Bhattacharya, K.   +3 more
openaire   +2 more sources

Dielectric elastomer memory

SPIE Proceedings, 2011
ABSTRACT Life shows us that the distri bution of intellig ence throughout flexible muscular ne tworks is a highly successful solution to a wide range of challenges, for example: human hearts, octopi, or even starfish. Recreating this success in engineered systems requires soft actuator technologies with embedded sensing and intelligence.
Benjamin M. O'Brien, Thomas G. McKay, Sheng Q. Xie, Emilio P. Calius, Iain A. Anderson   +4 more
openaire   +1 more source

Granularly Coupled Dielectric Elastomer Actuators

IEEE/ASME Transactions on Mechatronics, 2011
Dielectric elastomer actuators (DEAs) have been demonstrated to represent today a high-performance technology for electroactive polymer mechatronics. As a means to improve versatility and safety of DEAs, so-called “hydrostatically coupled” DEAs (HC-DEAs) have recently been shown to offer new opportunities.
CARPI, FEDERICO, Frediani, Gabriele, Nanni, Massimo, De Rossi, Danilo   +3 more
openaire   +2 more sources

Hydrostatically Coupled Dielectric Elastomer Actuators

IEEE/ASME Transactions on Mechatronics, 2010
Within the emerging field of polymer-based mechatronics, soft materials showing intrinsic electromechanical transduction properties are being largely studied to develop new types of actuators. Among them, so-called dielectric elastomer (DE) actuators are one of the most promising.
CARPI, FEDERICO, Frediani, Gabriele, De Rossi, Danilo   +2 more
openaire   +1 more source

Dynamic response of dielectric elastomers

International Journal of Non-Linear Mechanics, 2004
Dielectric elastomers have received a great deal of attention recently for effectively transforming electrical energy to mechanical work. Their large strains and conformability make them enticing materials for many new types of actuators. Unfortunately, their non-linear material behavior and large deformations make actual devices difficult to model ...
Eric M. Mockensturm, Nakhiah Goulbourne
openaire   +1 more source