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Mechanical modeling of a magnetic membrane for a soft actuator

Publications associées (51)

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An instrument to obtain the correct biaxial hyperelastic parameters of silicones for accurate DEA modelling

Herbert Shea, Samuel Rosset, Luc Maffli, Simon Houis

The analytical formulas describing the behaviour of dielectric elastomer actuators (DEAs) are based on hyperelastic strain energy density functions. The analytical modelling of a DEA will only lead to meaningful results if the dielectric elastomer can be a ...

Spie-Int Soc Optical Engineering2014

Heated mask

Jürgen Brugger, Andreea Veronica Savu, Shenqi Xie

The invention concerns a method and a device wherein a stencil is provided with an integrated microhotplate on the stencil membrane to prevent aperture clogging, whereby the stencil can be locally heated up in order to minimize material condensation, remov ...

2013

We study theoretically the spatiotemporal response of a lipid membrane submitted to a local chemical change of its environment, taking into account the time-dependent profile of the reagent concentration due to diffusion in the solution above the membrane. ...

Elsevier BV2013

Residual Stress and Buckling Patterns of Free-standing Yttria-stabilized-zirconia Membranes Fabricated by Pulsed Laser Deposition

Nico de Rooij, Danick Briand, Jérôme Courbat

The residual stress and buckling patterns of free-standing 8?mol.% yttria-stabilized-zirconia (8YSZ) membranes prepared by pulsed laser deposition and microfabrication techniques on silicon substrates are investigated by wafer curvature, light microscopy, ...

Wiley-Blackwell2012

Dynamically deformable reflective membrane for laser beam shaping and smoothing

Nico de Rooij, Roland Andreas Bitterli, Jonathan Masson, Wilfried Noell

We show a laser beam shaping device made of a deformable continuous reflective membrane fabricated over a scanning stage. The combination of two actuator schemes enables shaping and smoothing of a laser beam with a unique compact device. It is designed to ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2012

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The study of membranes is at a turning point. New theories about membrane structure and function have recently been proposed, however, new technologies, combining chemical, physical, and biochemical approaches are necessary to test these hypotheses. In par ...

2011

Voltage tuning of the resonance frequency of electroactive polymer membranes over a range of 75%

Herbert Shea, Samuel Rosset, Muhamed Niklaus

We report on a novel technique to control the resonance frequency of polymer membranes, without additional external actuators. An electrostatic force is used to apply compressive stress to a dielectric electroactive polymers membrane, consisting of a 25 mi ...

2009

Modeling of batch and semi-batch membrane filtration processes

A mathematical frame for modeling batch and semi-batch membrane filtration processes is provided. The approach followed in this work uses the feed concentrations as a basis for the calculations, rather than the concentration factor. A practical computation ...

2009

Separation properties of supported ionic liquid-polydimethylsiloxane membrane in pervaporation process

Zhaofu Fei

Pervaporation separation properties of water-butan-l-of binary mixtures were measured with the use of three supported liquid membranes at 37 C, namely PDMS, 1-ethenyl-3-ethyl-imidazolium hexafluorophosphate-PDMS, and tetrapropyl-ammonium tetracyanoborate-P ...

2009

In vitro Synthesis of GPCRs in a Solid Supported Planar Lipid Membrane System

Theo Lasser, Marcel Leutenegger

Membrane protein research depends largely on the availability of functional protein in an instrumental set- up for application of biophysical investigations. We used an in vitro synthesis strategy in the presence of a solid supported lipid membrane as a ne ...

2007