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Yoan René Cyrille Civet

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Publications associées (108)

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Manufacturing and Tests of a Tubular Multilayer Dielectric Elastomer Actuator for an Impedance Pump

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Jonathan André Jean-Marie Chavanne, Armando Matthieu Walter, Francesco Clavica, David Moser

During the last three decades, the field of electro active polymers (EAP) has seen a rapidly growing interest worldwide. These materials can exhibit many advantages, such as elasticity, high energy density, high dynamics and are often nicknamed artificial ...

2020

Pressure Offloading Device for Diabetic Footwear Based on Magnetorheological Fluids

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

Diabetes is a rapidly growing disease, with important complications that decrease the quality of life of patients. Diabetic Foot Ulceration is a major complication of diabetes and can lead to gangrene and amputation. It is related to high pressure develope ...

IEEE2022

Drastic breakdown field reduction in multilayer DEA

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

The electrical properties such as the electrical breakdown and the permittivity but also the softness of the elastomer are key factors for the performance of DEA. In order to have the best use of elastomer films, single-layer actuators have been deeply stu ...

2019

Ferrofluid Based Actuators for Braille Application

Yves Perriard, Yoan René Cyrille Civet

2015

A Polyester–Nylon Blend Plantar Pressure Sensing Insole for Person With Diabetes

Yves Perriard, Yoan René Cyrille Civet, Paolo Germano, Christian Köchli, Sofia Lydia Ntella, Bhawnath Tiwari, Kenny Jeanmonod

Peripheral sensorimotor neuropathy among people with diabetes is one of the leading causes of foot ulceration. Plantar pressure is a significant parameter to control for the prevention of foot ulceration. A low-cost sensing insole, which can provide a reli ...

2023

Quality Factor and Vibration Amplitude estimation of a Piezoelectric-actuated System Using Impedance Measurements

Yves Perriard, Yoan René Cyrille Civet

2015

A Dielectric Elastomer based Miniaturized Soft Planar Microactuator

Yves Perriard, Yoan René Cyrille Civet, Stefania Maria Aliki Konstantinidi, Bhawnath Tiwari, Simon Holzer

Precise and robust positioning features are vital need in modern-day industries, particularly in the context of industrial automation within the micro/meso domain. In this work, we present a novel miniaturized planar microactuator with a total size of 40 m ...

VDE VERLAG GMBH2024

Preliminary Study of Pressure Self-Sensing Miniature Magnetorheological Valves

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

Influence of Manufacturing Tolerances on the Performance of an Electronically-Controlled Linear Escapement

Yves Perriard, Yoan René Cyrille Civet, Romain David Besuchet

2015

Uni-axial reinforced dielectric elastomer actuators with embedded 3D printed fibers

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Biranche Tandon

Dielectric elastomer actuators (DEAs) can be described as compliant capacitors formed by a dielectric elastomer film sandwiched between two electrodes. An applied voltage results in a compressive Maxwell stress, a thickness reduction and thus an expansion ...

2023

Design and Modelling of a Test Bench to Characterize Magnetic Fluids

Yves Perriard, Yoan René Cyrille Civet

2015

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

Piezoelectric Tactile Device Feedback Generator Using Acoustic Time Reversal Method

Yves Perriard, Yoan René Cyrille Civet

2016

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

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

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

Measurement of the Mechanical Power of an EAP Based Pump

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

2015

Valve comprising a body and a mobile piston

Yves Perriard, Yoan René Cyrille Civet, Paolo Germano, Christian Köchli, Sofia Lydia Ntella, Bhawnath Tiwari

The invention concerns a valve comprising a body (11) and a piston (12) movable in the body (11) between two extreme positions. One of the extreme positions is a so-called rest position or closed position and another extreme position is a so-called active ...

2024

Prototyping and Experimental Analysis of Active Offloading Footwear for Patients With Diabetes Using an Array of Magnetorheological Fluid–Based Modules

Yves Perriard, Yoan René Cyrille Civet, Paolo Germano, Christian Köchli, Bhawnath Tiwari

Diabetic foot ulceration is a serious challenge worldwide which imposes an immense risk of lower extremity amputation and in many cases may lead to the death. The presented work focuses on the offloading requirements using an active approach and considers ...

2024

A novel soft cardiac assist device based on a dielectric elastomer augmented aorta: An in vivo study

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Jonathan André Jean-Marie Chavanne, Armando Matthieu Walter, Francesco Clavica, Silje Ekroll Jahren

Although heart transplant is the preferred solution for patients suffering from heart failures, cardiac assist devices remain key substitute therapies. Among them, aortic augmentation using dielectric elastomer actuators (DEAs) might be an alternative tech ...

2022

Spring with a plurality of elements, and actuator including such a spring

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

A spring (3, 3') comprising a plurality of elements (30), each element (3) comprising a rigid portion (31) and a flexible beam (32), the extremities (320, 321) of the flexible beam being supported by the rigid portion (31), the flexible beam (32) having a ...

2019

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

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