Results 261 to 270 of about 7,948 (299)

CHARACTERIZATION OF DIELECTRIC ELASTOMER PLANAR ACTUATORS

Sensors and Microsystems, 2002
This work intends to extend the electromechanical characterisation of dielectric elastomer actuators. Planar actuators were realised with a 50m-thick film of an acrylic elastomer coated with compliant electrodes. The isotonic transverse strain, the isometric transverse stress and the driving current, due to a 2 s high voltage impulse, were measured for
CARPI, FEDERICO, P. Chiarelli, A. Mazzoldi, D. De Rossi   +3 more
openaire   +2 more sources

Theory of dielectric elastomers

Acta Mechanica Solida Sinica, 2010
In response to a stimulus, a soft material deforms, and the deformation provides a function. We call such a material a soft active material (SAM). This review focuses on one class of soft active materials: dielectric elastomers. When a membrane of a dielectric elastomer is subject to a voltage through its thickness, the membrane reduces thickness and ...
openaire   +1 more source

Dielectric elastomer actuators for tactile displays

World Haptics 2009 - Third Joint EuroHaptics conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems, 2009
In this paper we discuss dielectric elastomer actuators (DEA) as one of the most promising technologies in electroactive polymers (EAP). For tactile display applications a large number of actuator elements is essential. The multilayer technology presented here offers the possibility to build up independent actuators and arrays at a high density within ...
Marc Matysek, Peter Lotz, Thomas Winterstein, Helmut F. Schlaak   +3 more
openaire   +1 more source

A rotary joint based on dielectric elastomer

2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics, 2013
Biological joints have advantages such as compact structure and multi degree-of-freedom (DOF) rotation. To emulate a biological joint, a 2-DOF rotary joint actuated by dielectric elastomer (DE) is designed, in which DE acts as muscles. Based on the analysis of the working principle of the joint, a mechanism is presented to increase its angular ...
Huaming Wang, Hao Guo, Yunguang Luan, Denny Oetomo   +3 more
openaire   +1 more source

Twisted Dielectric Elastomer stack Actuator

2016 13th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI), 2016
The purpose of this research is to make an actuator which is easily adaptable to use as artificial muscle by improving structure of stack-type Dielectric Elastomer Actuator (DEA). In contrast with previous stack-type actuator, Single body Dielectric Elastomer stack Actuators (SDEAs) is connected as single body without external frame so that it can be ...
Hosang Jung, Sang Yul Yang, Kyeong Ho Cho, Min-Geun Song, Hyouk Ryeol Choi   +4 more
openaire   +1 more source

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

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

Balloon actuators based on the dielectric elastomer

2017 IEEE International Conference on Industrial Technology (ICIT), 2017
In this paper, we present a theoretical and experimental study about the carrying capacity of flight dielectric elastomer (DE) balloon in electromechanical performance. This paper deals with some structures which are consist of helium balloons or air balloons based on theoretical analysis.
Hui Zhang, Yingxi Wang, Jian Zhu, Zhisheng Zhang   +3 more
openaire   +1 more source

Electroelasticity of dielectric elastomers

Abstract Elastomeric dielectric materials with ground-state shear moduli in the kilopascal range can undergo over 100% deformation under large applied voltages. These soft electroactive materials are the focus of this chapter, which formulates a coupled nonlinear electro-elasticity theory.
Lallit Anand, Eric M. Stewart, Shawn A. Chester   +2 more
openaire   +1 more source

Modelling and Control of a Dielectric Elastomer Actuator

2018 3rd International Conference on Advanced Robotics and Mechatronics (ICARM), 2018
Dielectric elastomer actuators (DEAs) stick out among explored soft actuators due to their advantages of large deformation, high energy density, fast response and low cost. However, DEAs still are far away from robotic practical applications because of the difficulty of the actuation control.
Wenyu Liang, Jiawei Cao, Qinyuan Ren
openaire   +1 more source