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Yves Perriard

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Publications associées (302)

Characterization of Dielectric Elastomer Actuators: A Design of Experiments Approach

Yves Perriard, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Quentin Philippe Mario De Menech, Pooneh Mohaghegh, Armando Matthieu Walter

Dielectric Elastomer Actuators (DEAs) are recent type of smart materials, which transform electric energy into mechanical work. They show impressive performance as soft actuators. Capable of multidirectional actuation, large strain and high energy density, ...

IEEE2022

Study of the use of silver trace and improved flexibility in rolled Dielectric Elastomer Actuators

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

Dielectric Elastomer Actuators (DEAs) are more and more used thanks to their stretchable and flexible properties. The fields of use are many, but the biomedical domain is particularly interesting in the case of artificial muscles. In DEAs, resistance is an ...

IEEE2022

Microfluidic device for analysis of magnetorheological fluids' properties

Christian Köchli, Yves Perriard, Sofia Lydia Ntella, Pooneh Mohaghegh

The valve mode is the most common operational mode of magnetorheological fluid (MRF) devices in engineering applications. Magnetorheological (MR) valves have been studied upon their self-sensing capabilities resulting from the electromagnetic induction phe ...

IEEE2022

New Design of Antenna Array for Bluetooth Direction Finding

Yves Perriard, Alexis Boegli, Pooneh Mohaghegh

Bluetooth Low Energy (BLE) has become very common for tracking applications in homes, stadiums, malls, and hospitals over the last decade. With the outbreak of COVID, the technology was widely used for local tracking of the virus spread [1]. However, despi ...

IEEE2022

Innovative Design of 3D-printed Winding for Linear Motor

Yves Perriard, Adrien Jean-Michel Thabuis, Xiaotao Ren

This work presents the electromagnetic design of a 3D-printed winding for a coreless linear motor. The key geometric parameters are optimized with motor constant as the objective. The optimization is applied to two types of coil layouts. An increase of the ...

IEEE2022

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

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

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

Influence of Axial Pre-stretch on Tubular Dielectric Elastomer Actuators

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Armando Matthieu Walter, Amine Benouhiba

Dielectric elastomer actuators (DEAs), also known as artificial muscles, are a sub-class of electroactive polymers (EAP). Due to their many qualities, such as high actuation strain, high bandwidth, high energy density, and a flexible body, they have shown ...

IEEE2022

A Cockcroft-Walton generator driven by wireless power transfer for implanted high-voltage generation

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Morgan Almanza

This paper presents a Cockcroft-Walton (CW) generator as a solution to generate an intermediate high voltage for the supply of a DEA cardiac assist device. This consists in fully passive converter allowing to output a DC signal from an alternative signal e ...

IEEE2021

Optimal Design of Magnetorheological Valve Integrated in an Intelligent Footwear for Diabetic Patients with Foot Insensitivity

Yves Perriard, Yoan René Cyrille Civet, Kenny Jeanmonod, Sofia Lydia Ntella, Xiaotao Ren, Minh Trung Duöng

Magnetorheological fluid is a type of smart material whose viscosity changes quickly when exposed to an external magnetic field. This paper focuses on the optimized design of a miniature magnetorheological valve integrated into a novel smart shoe-sole that ...

IEEE2021

Dielectric elastomer actuator

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

A dielectric elastomer actuator (1) comprising: a plurality of polymer layer (2);a plurality of stretchable electrode layers (3), each polymer layer (2) being sandwiched between two electrode layers (3) so as to control the electric field within the polyme ...

2021

Preliminary Study of Pressure Self-Sensing Miniature Magnetorheological Valves

Christian Köchli, Yves Perriard, Yoan René Cyrille Civet, Kenny Jeanmonod, Sofia Lydia Ntella, Minh Trung Duöng

Magnetorheological (MR) valves have been included in many innovative engineering systems, such as dampers, clutches, or brakes, with different fields of application. Their role serves actuation purposes, while integrated displacement and velocity sensing i ...

IEEE2021

Redefining Energy Density for an uniaxial Dielectric Elastomer Actuator

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

The dielectric elastomer actuator (DEA) is a technology known to potentially provide high energy density (0.3 - 0.4 J.cm(-3)). However, in the literature, few demonstrations have been done to evaluate this figure. To well understand the ability of this tec ...

IEEE2021

Energy Analysis of a Cardiac Assist Device based on Dielectric Elastomer Actuator through an Equivalent Electrical Circuit

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

Lumped parameter model and mock circulation loop are two tools commonly used in biomedical research to simulate cardiac system in order to study different assist devices. In this paper, a lumped parameter model is proposed to simulate a circulation loop. T ...

IEEE2021

LOD-Homogenization of Multiscale Eddy Current Problem in Time Domain

Yves Perriard, Xiaotao Ren

Devices fabricated from Soft Magnetic Composites (SMCs) are gaining popularity in research and application. The multiscale characteristics require special attention. Solving the quasi-statics Maxwell’s equations on such devices consumes huge time and memor ...

Institute of Electrical and Electronics Engineers2021

A Self-Biasing Shape Memory Alloy Gripper for Lightweight Applications

Yves Perriard, Sean Thomas, Adrien Jean-Michel Thabuis, Gabriel Maquignaz

Shape Memory Alloys (SMAs) are a type of smart material that are commonly used in compact and lightweight linear actuators. Paired with compliant motion conversion mechanisms, these alloys can be transformed into lightweight grippers ideal for applications ...

IEEE2021

Design and Manufacturing of an Electrostatic MEMS Relay for High Power Applications

Christian Köchli, Yves Perriard, Florian Louis Copt, Yoan René Cyrille Civet

This paper addresses the design and manufacturing of a crab-leg based MEMS relay for a high power application. Thanks to a contact resistance lower than 100 mΩ, the relay can hold a current in the order of magnitude of an Ampere without further thermal lim ...

2021

Modelling and Fabrication of a Kirigami-Inspired Shape Memory Alloy Actuator

Yves Perriard, Sean Thomas, Thomas Guillaume Martinez, Marjan Ghorbani

Shape Memory Alloys (SMA) based actuators have increasingly been used in lightweight and compact actuators. In this paper, a novel kirigami-inspired SMA actuator is designed and presented. This work aims to show a novel way of fabricating large stroke flex ...

IEEE2021

Schmitt trigger-based control strategy for the discharge phase of an ultra-high-voltage bidirectional flyback

Yves Perriard, Alexis Boegli, Raphaël Johannes Charles Mottet

The control strategy to discharge a capacitive load such as a dielectric elastomer actuator charged to several kilo-volts is critical to obtain a safe and reliable actuation. In the case of this publication, an ultra-high voltage bidirectional flyback conv ...

IEEE2021

Feasibility of a Dielectric Elastomer Augmented Aorta

Yves Perriard, Yoan René Cyrille Civet, Jonathan André Jean-Marie Chavanne, David Moser, Morgan Almanza, Francesco Clavica

Although heart transplantation is a gold standard for severe heart failure, there is a need for alternative effective therapies. A dielectric‐elastomer aorta is used to augment the physiological role of the aorta in the human circulatory system. To this en ...

2021

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

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

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

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