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Multimode Hydraulically Amplified Electrostatic Actuators for Wearable Haptics

Publications associées (37)

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Experimental Characterization of Drobot: Towards Closed-Loop Control

Massimo Mastrangeli, Pierre Lambert

This paper presents advances in the development of a microrobotic platform actuated by three liquid droplets in a gaseous environment (Drop-bot or Drobot). Drobot builds on the bubble robotics concept earlier introduced by Lenders [1]. A new platform desig ...

IEEE2014

Disambiguation Canvas: A Precise Selection Technique for Virtual Environments

Ronan Boulic, Anderson Maciel, Henrique Galvan Debarba

We present the disambiguation canvas, a technique developed for easy, accurate and fast selection of small objects and objects inside cluttered virtual environments. Disambiguation canvas rely on selection by progressive refinement, it uses a mobile device ...

Springer Berlin Heidelberg2013

The need for speed

Herbert Shea, Samuel Rosset, Pit Gebbers

Development of dielectric elastomer actuators has been mainly targeted towards achieving giant static strain with little attention paid to their response speed, which can, depending on materials used, be as long as tens of seconds. However, most of the pra ...

SPIE2012

Haptic glove for virtual reality using magneto-rheological fluid actuators

Gabriel Safar

As computer technologies improve year by year, advanced and intuitive user interfaces become increasingly necessary to allow proper manipulation of various types of programs, in different fields and markets. In the case of haptic glove devices, a fraction ...

2011

Cognitive and social effects of handwritten annotations

Pierre Dillenbourg, Frédéric Kaplan, Andrea Mazzei

This article first describes a method for extracting and classifying handwritten annotations on printed documents using a simple camera integrated in a lamp. The ambition of such a research is to offer a seamless integration of notes taken on printed paper ...

2011

Silicon oxide deposition for enhanced optical switching in polydimethylsiloxane-liquid crystal hybrids

Demetri Psaltis, Andreas Vasdekis, Julien Cuennet, Luciano De Sio

We report an optical switch based on a diffraction grating by combining PDMS microstructures with a photo-responsive Nematic Liquid Crystal (NLC). The grating was realized via replica molding and was subsequently coated with a thin SiO layer. SiO induced a ...

2011

Miniature Short-Stroke Linear Actuator

Yves Perriard, Grégory Savioz

This Article Addresses the Design and optimization of a small-sized linear electrodynamic actuator, to be inserted below a computer key so as to provide a force feedback to the user. The importance given to the sense of feeling has been growing in differen ...

2011

A novel low-profile shape memory alloy torsional actuator

Jamie Paik

This paper presents low-profile torsional actuators applicable for mesoscale and microscale robots. The primary actuator material is thermally activated Ni-Ti shape memory alloy (SMA), which exhibits remarkably high torque density. Despite the advantages o ...

2010

Virtual Human Control for Reaching Tasks

Damien Maupu

In the framework of virtual prototyping, a virtual human is a useful tool to evaluate what one can reach or see. However because engineers and industrial designers are not necessarily skilled animators, it is important to provide intuitive or high-level in ...

EPFL2010

Reliable MEMS Actuators for Driving Large Microsystems

Nicolas Bernard Golay

Nowadays many consumer electronic devices are using small engines (micromotors). Thanks to technological innovation, the components can be imbedded into numerous portable systems. The key factors for a nomadic integration are: reduction of power consumptio ...

EPFL2010