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Yves Perriard

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Publications associées (302)

An artificial urinary sphincter based on dielectric elastomer technology

Yves Perriard, Yoan René Cyrille Civet, Stefania Maria Aliki Konstantinidi, Quentin Philippe Mario De Menech, Sloan Zammouri, Amine Benouhiba

Urinary incontinence (UI) is prevalent and distressing medical condition affecting millions of patients worldwide. Current treatment options for severe cases often involve surgical intervention, such as the implantation of an artificial urinary sphincter ( ...

Society of Photo-Optical Instrumentation Engineers (SPIE)2024

Inversing the actuation cycle of dielectric elastomer actuators for a facial prosthesis

Paolo Germano, Yves Perriard, Yoan René Cyrille Civet, Alexis Boegli, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Quentin Philippe Mario De Menech

Dielectric Elastomer Actuators (DEAs) are a type of smart material described as compliant capacitors. They show impressive performances as soft actuators, such as a high strain and fast response. Nonetheless, replicating natural muscle function with DEAs h ...

Society of Photo-Optical Instrumentation Engineers (SPIE)2024

Highly anisotropic carbon fiber electrodes for DEAs and their dynamic non-monotonic conductive properties

Yves Perriard, Stefania Maria Aliki Konstantinidi, Markus Koenigsdorff

A common method for creating compliant electrodes for dielectric elastomer actuators (DEAs) and soft sensors is to incorporate electrically conductive carbon particles into a polymer matrix. However, using unidirectional aligned carbon fibers instead not o ...

Society of Photo-Optical Instrumentation Engineers (SPIE)2024

Improvement of Shape Memory Alloy (NiTi) Actuation Frequency Using Highly Thermally Conductive Metal Layer

Yves Perriard, Thomas Guillaume Martinez, Marjan Ghorbani

In this paper, we investigate a novel passive approach to improve the actuation frequency of Shape Memory Alloys (SMAs) with the Kirigami-inspired design using a thin layer of highly thermally conductive material. By depositing an 80 nm layer of gold on th ...

Institute of Electrical and Electronics Engineers Inc.2024

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

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

Contact Tip Trajectory in Steady-State Regime Prediction Using Deep Learning for Piezoelectric Actuators

Paolo Germano, Yves Perriard, Marc Michel Charles Favier, Marjan Ghorbani

Including friction modeling in simulation can be challenging and requires time domain simulation, which is time consuming. We propose to separate the friction modelling from the FEA (Finite Element Analysis). The approach is defined for UCM (Ultrasonic Cer ...

Institute of Electrical and Electronics Engineers Inc.2024

Investigation of buckling instabilities in fiber-reinforced DEAs

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

Artificial muscles, designed to replicate the movements of natural biological muscles, hold significant promise in the fields of robotics and prosthetics. Recent advancements have led to the development of fiber-reinforced actuators, drawing inspiration fr ...

Elsevier BV2024

Post-Paralysis Upper Facial Movement Restoration in Real Time using Soft Actuators

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Quentin Philippe Mario De Menech

Facial paralysis is a challenging condition, and current treatments rely on invasive transplant surgeries using a two-stage free muscle transfer procedure. The use of artificial muscles is a novel, less invasive approach, allowing faster recovery and more ...

Institute of Electrical and Electronics Engineers Inc.2024

Frequency response of fiber reinforced DEAs

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Markus Koenigsdorff

Dielectric Elastomer Actuators (DEAs) have emerged as versatile and promising devices for a multitude of applications, including soft robotics, haptic interfaces, and artificial muscles. DEAs are an interesting soft actuator technology due to their high en ...

Society of Photo-Optical Instrumentation Engineers (SPIE)2024

Novel para-aortic cardiac assistance using a pre-stretched dielectric elastomer actuator

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

Objectives We propose an evolution of a dielectric elastomer actuator based cardiac assist device that acts as a counterpulsation system. We introduce a new pre-stretched actuator and implant the device in a graft bypass between the ascending and descendin ...

2024

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

Christian Köchli, Yves Perriard, 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

Dielectric elastomer actuator-based valveless pump as Fontan failure assist device: introduction and preliminary study

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

OBJECTIVES: Fontan failure refers to a condition in which the Fontan circulation, a surgical procedure used to treat certain congenital heart defects, becomes insufficient, leading to compromised cardiac function and potential complications. This in vitro ...

Oxford Univ Press2024

Magnetorheological valve

Christian Köchli, Yves Perriard, Adrien Jean-Michel Thabuis, Kenny Jeanmonod, Sofia Lydia Ntella, Bhawnath Tiwari

The present invention relates to a valve (10) comprising a housing (11) having a peripheral structure (12) made of a magnetic field conductive material and a core (13) disposed in said housing (11) The core (13) and the peripheral structure (12) delimit a ...

2024

Characterisation of Polymer Materials for the Development of an Artificial Urethra

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Quentin Philippe Mario De Menech, Amine Benouhiba

Low Urinary Tract Dysfunctions (LUTD) and in particular Urinary Incontinence (UI) is a medical condition affecting millions of people worldwide. In this context researchers and engineers performed tests on porcine and human urethras. However, ethical conce ...

Institute of Electrical and Electronics Engineers Inc.2024

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

Fiber-Reinforced Equibiaxial Dielectric Elastomer Actuator for Out-of-Plane Displacement

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Simon Holzer

Dielectric elastomer actuators (DEAs) have gained significant attention due to their potential in soft robotics and adaptive structures. However, their performance is often limited by their in-plane strain distribution and limited mechanical stability. We ...

MDPI AG2024

Carbon based printed electrodes for DEAs: study of pad, inkjet, and stencil printing

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Armando Matthieu Walter, Simon Holzer

Dielectric elastomer actuators (DEAs) have raised interest due to their remarkable capabilities in various applications, such as soft robotics, haptic feedback systems, and biomedical devices. To harness the full potential of DEAs, the choice of the electr ...

Society of Photo-Optical Instrumentation Engineers (SPIE)2024

Intelligent plantar pressure offloading for the prevention of diabetic foot ulcers and amputations

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

The high prevalence of lower extremity ulceration and amputation in people with diabetes is strongly linked to difficulties in achieving and maintaining a reduction of high plantar pressures (PPs) which remains an important risk factor. The effectiveness o ...

2023

Mechanical Characterisation of Porcine Urethra: Non Linear Constitutive Models and Experimental Approach

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Quentin Philippe Mario De Menech, Amine Benouhiba

Low urinary tract dysfunctions and symptoms (LUTS) and Urinary incontinence (UI) in particular is a medical condition that affects millions of people worldwide. One of the most promising long term treatments for this condition is the use of an artificial u ...

IEEE2023

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

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

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

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