Publications de Yves Perriard | EPFL Graph Search

Publications associées (300)

Force and Torque Analytical Models of a Reaction Sphere Actuator Based on Spherical Harmonic Rotation and Decomposition

Olivier Pierre Chételat, Yves Perriard, Leopoldo Rossini

This paper presents an analytical model for the force and torque developed by a reaction sphere actuator for satellite attitude control. The reaction sphere is an innovative momentum exchange device consisting of a magnetic bearings spherical rotor that ca ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Energy analysis of a DEAP based cylindrical actuator coupled with a radial negative stiffness spring

Yves Perriard, Yoan René Cyrille Civet, Jonathan André Jean-Marie Chavanne

The main problem to obtain considerable deformation with dielectric electro-active polymer based technology is the electrical breakdown. A simple solution consists in pre-stretching the elastomer before activating it which cancels the snap-through effect a ...

Spie-Int Soc Optical Engineering2017

Ultra-High-Voltage (7-kV) Bidirectional Flyback Converter Used to Drive Capacitive Actuators

Yves Perriard, Alexis Boegli, Morgan Almanza, Raphaël Johannes Charles Mottet

Dielectric elastomer actuators (DEAs) have extremely advantageous characteristics such as lightness, compactness, flexibility, and large displacements. However, in order to operate, they can require voltages in the order of several thousands of volts. Thus ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2021

Depth Camera and Electromagnetic Field Localization System For IoT Application - High level, lightweight data fusion

Yves Perriard, Alexis Boegli, Pooneh Mohaghegh

This article demonstrates person localization using a hybrid system consisting of an electromagnetic positioning system and a depth camera to authorize access control. The ultimate aim of this system is to distinguish moving people in a defined area by tra ...

Association for Computing Machinery2021

Hemodynamic effects of a dielectric elastomer augmented aorta on aortic wave intensity: An in-vivo study

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Armando Matthieu Walter, Francesco Clavica, Silje Ekroll Jahren

Dielectric elastomer actuator augmented aorta (DEA) represents a novel approach with high potential for assisting a failing heart. The soft tubular device replaces a section of the aorta and increases its diameter when activated. The hemodynamic interactio ...

2023

Shape Optimization of Soft Magnetic Composites using Level-set Method

Yves Perriard, Adrien Jean-Michel Thabuis, Xiaotao Ren

Soft Magnetic Composites (SMCs) possess promising electromagnetic characteristics and attract intense research and application interest in the engineering community. Fabrication of composites with customized architecture is feasible due to the recent advan ...

Institute of Electrical and Electronics Engineers2021

Modeling and experimental study of a miniaturized magnetorheological valve with high performance

Yves Perriard, Christian Köchli, Sofia Lydia Ntella

Magnetorheological (MR) valves attracted the interest of researchers across diverse fields, owing to the controllable nature of MR fluid. The use of MR fluid in valves enables fast response, energy efficiency, and robustness, while several studies designed ...

Sage Publications Ltd2024

A Miniature Short Stroke Actuator and its Position Control for a Haptic Key

Yves Perriard, Grégory Savioz

This paper addresses the design and optimization of a small-sized linear electrodynamic actuator. This actuator is aimed to be inserted under a computer key in order to produce a force feedback to the user. Replacing the current rubber dome supporting the ...

2009

An efficient and compact supply for electroactive polymers

Yves Perriard, Yoan René Cyrille Civet

New trends in electroactive-polymers (EAP) based devices for soft actuators and for electrocaloric cooling revive studies on compact, efficient, reversible and low power supply. High electrode resistance, high voltage and small capacitance of EAPs represen ...

Institute of Electrical and Electronics Engineers (IEEE)2025

Design of a Semi-Implantable Hearing Device for Direct Acoustic Cochlear Stimulation

Yves Perriard, Hans Bernhard

A new hearing therapy based on direct acoustic cochlear stimulation was developed for the treatment of severe to profound mixed hearing loss. The device efficacy was validated in an initial clinical trial with four patients. This semi-implantable investiga ...

Institute of Electrical and Electronics Engineers2011

Modelling of a Dielectric Electroactive Polymer Tubular Shape Sensor for Pressure Measurements

Yves Perriard, Yoan René Cyrille Civet, Jonathan André Jean-Marie Chavanne

The variation of pressure of the blood is a key parameter in the development of ventricular assist device. This latter is useful in order to synchronize the behavior of the actuator with the cardiac frequency. This paper presents a sensor made of a dielect ...

IEEE2016

Towards Artificial Muscle Implants: Structured Reinforcement of Dielectric Elastomers

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Amine Benouhiba, Andres Osorio Salazar

Dielectric elastomer actuators (DEAs) are a recent type of smart materials that show impressive performances as soft actuators, making them a promising technology for the development of implantable artificial muscles and soft robotic devices. Notably, they ...

IOP Publishing Ltd2025

Topology Optimization of an Electromagnet Manipulator for 3D Uniform Magnetic Field

Yves Perriard, Adrien Jean-Michel Thabuis, Xiaotao Ren

Magnetic manipulation is a method used for biomedical applications to remotely control micro-robots in a contactless manner. The electromagnet manipulator should control a magnetic field with 3 degrees of freedom inside a region of interest. In various cas ...

IEEE2022

Multi-level high-voltage power supply for dea application

Yves Perriard, Yoan René Cyrille Civet, Morgan Almanza

In order to reap the benefits of Dielectric Elastomer Actuator (DEA) high energy density, the electronics powering the actuator should be as small as possible. Knowing that only a small fraction of the energy delivered to DEAs is effectively converted into ...

2019

Characterization of a radial cylindrical spring using an electromechanical test bench

Yves Perriard, Yoan René Cyrille Civet, Jonathan André Jean-Marie Chavanne, David Moser

The Center for Artificial Muscles of EPFL in Neuchâtel focuses his research on designing a less invasive cardiac assist device based on a dielectric elastomer actuator. The idea is to place a ring around the aorta and activate it to help failing heart pump ...

2019

Untethered Feel‐Through Haptics Using 18‐µm Thick Dielectric Elastomer Actuators

Yves Perriard, Herbert Shea, Yoan René Cyrille Civet, Vito Cacucciolo, Xinchang Liu, Xiaobin Ji

Head‐mounted displays for virtual reality (VR) and augmented reality (AR) allow users to see highly realistic virtual worlds. The wearable haptics that enable feeling and touching these virtual objects are typically bulky, tethered, and provide only low fi ...

2020

Hybrid FEM-analytical force and torque models of a reaction sphere actuator

Olivier Pierre Chételat, Yves Perriard, Leopoldo Rossini

This paper presents a hybrid FEM-analytical model for the magnetic flux density, the force and torque of a Reaction Sphere (RS) actuator for satellite attitude control. The RS is a permanent magnet synchronous spherical actuator whose rotor is magnetically ...

IEEE Computer Society2013

An autonomous untethered fast soft robotic insect driven by low-voltage dielectric elastomer actuators

Yves Perriard, Herbert Shea, Yoan René Cyrille Civet, Matthias Imboden, Vito Cacucciolo, Xinru Ji, Xinchang Liu, Xiaobin Ji

Insects are a constant source of inspiration for roboticists. Their compliant bodies allow them to squeeze through small openings and be highly resilient to impacts. However, making subgram autonomous soft robots untethered and capable of responding intell ...

2019

Detection of Pressure or Flow Rate Variations in MR Valves through Magnetic Flux Analysis

Yves Perriard, Yoan René Cyrille Civet, Daniel Grivon

Magneto-Rheological (MR) fluids consist in a suspension of ferromagnetic particles dispersed in a fluid carrier. If excited by a magnetic source, the nearby magnetic field induces the particles magnetization with the formation of chainlike structures align ...

2016

Control-oriented modeling and analysis of tubular dielectric elastomer actuators dedicated to cardiac assist devices

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Armando Matthieu Walter, Ning Liu

This paper deals with the control-oriented modeling of a multilayered dielectric elastomer actuator based tube. The actuator is clamped at both sides and performs a radial displacement. The hyperelastic deformation and the viscoelastic performance, togethe ...

2022