Publications by Paolo Germano | EPFL Graph Search

Related publications (32)

An untethered mechanically-intelligent inchworm robot powered by a shape memory alloy oscillator

Yves Perriard, Paolo Germano, Thomas Guillaume Martinez, Sean Thomas

Shape Memory Alloy (SMA) based actuators have become ideal candidates for use in compact and lightweight applications. These smart materials have often been referred to as artificial muscles due to their high work volume density. In this paper, a flexure-b ...

2021

Artificial Neural Networks for Impact Position Detection in Haptic Surfaces

Yves Perriard, Paolo Germano, Camilo Hernandez Mejia

Recently, the interest in haptic feedback is growing thanks to its ability to enhance the interaction with Human Machine Interfaces (HMIs). This research project is exploring the potential of machine learning combined with piezoelectric actuators to genera ...

IEEE2019

Effect of the Impact Contact Duration on Machine Learning Models for Impact Position Detection

Yves Perriard, Paolo Germano, Jonathan André Jean-Marie Chavanne, Camilo Hernandez Mejia

Touch-screens have become the most common way of interaction between humans and machines. Nevertheless, the lack of rich haptic-feedback on most of the devices limits the quality and effectivity of the interaction. To develop novel haptic feedback generati ...

2020

Linear Impact Generator for Automated Dataset Acquisition of Elastic Waves in Haptic Surfaces

Yves Perriard, Paolo Germano, Adrien Jean-Michel Thabuis, Camilo Hernandez Mejia

Tactile surfaces are commonly found on a big number of devices nowadays. Generally, this kind of interfaces lacks haptic feedback, which lowers the efficiency and perceived quality of human interaction. Time reversal of elastic waves has been studied and i ...

IEEE2019

Sensorless Position Detection Framework for a Multi-state Switched Reluctance Actuator of a Textile Machine

Yves Perriard, Yoan René Cyrille Civet, Paolo Germano, Xinchang Liu

Sensorless needle position detection for the actuator of a textile machine is challenging because of its multi current levels used and the transient state when the current changes. A local regression method can be used to represent the variation of inducta ...

IEEE2018

Generative Adversarial Networks for Localized Vibrotactile Feedback in Haptic Surfaces

Yves Perriard, Paolo Germano, Adrien Jean-Michel Thabuis, Jonathan André Jean-Marie Chavanne, Xiaotao Ren, Camilo Hernandez Mejia

Touch-screens are the most relevant interface in the context of human-computer interaction. Moreover, they are widely used as interaction means for digital musical instruments, where a complex action-perception loop is involved in the user experience. This ...

IEEE2021

A Tunable Self-Offloading Module for Plantar Pressure Regulation in Diabetic Patients

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

Plantar pressure plays a crucial role in the pathogenesis of foot ulcers among patients with diabetes and peripheral polyneuropathy. Pressure relief is a key requirement for both the prevention and treatment of plantar ulcers. Conventional medical practice ...

2024

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

Yves Perriard, Yoan René Cyrille Civet, Paolo Germano, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Alexis Boegli, 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

Affordable SLAM through the Co-Design of Hardware and Methodology

Francesco Mondada, Hannes Bleuler, Paolo Germano, Michael Bonani, Stéphane Magnenat, Philippe Rétornaz, Valentin Longchamp

SLAM is a prominent feature for autonomous robots operating in undefined environments. Applications areas such as consumer robotics appliances would clearly benefit from low-cost and compact SLAM implementations. The SLAM research community has developed s ...

IEEE Press2010

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

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

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

Designing compliant mechanisms composed of shape memory alloy and actuated by induction heating

Yves Perriard, Paolo Germano, Thomas Guillaume Martinez, Adrien Jean-Michel Thabuis, Sean Thomas

Shape Memory Alloys (SMAs) are a type of smart materials that reacts mechanically to heat. Due to their complex behavior, they are often used in a simple geometry such as wires. This constrains the output displacement of the alloy to a simple linear contra ...

2021

Normal Contact Force Estimation Using Deep Learning

Yves Perriard, Paolo Germano, Xinxin Liao, Marc Michel Charles Favier

Small scale ultrasonic piezoelectric actuators performance strongly depends on not well-known contact dynamics. Deep Neural Network (DNN) sees their use in physic simulation growing as their flexibility allows better performance especially when dynamics la ...

Institute of Electrical and Electronics Engineers Inc.2024

Analysis and modeling of electrostatic discharge in a tactile glass featured watch

Yves Perriard, Paolo Germano, Daniele Demarco

Electrostatic discharge in quartz watches is becoming more and more important due to the use of plastic materials and tactile sensors. The discharge can lead to different type of dysfunction such as a simple reset, a latch-up, or the destruction of the ele ...

2007

Battery Charger for Electric Vehicles based on a Wireless Power Transmission

Yves Perriard, Paolo Germano

In this paper, the case of a battery charger for electric vehicles based on a wireless power transmission is addressed. The specificity of every stage of the overall system is presented. Based on calculated and measured results, relevant capacitive compens ...

Ieee2016

About tuning capacitors in inductive coupled power transfer systems

Yves Perriard, Paolo Germano, Christophe Bruno Auvigne

Inductive Coupled Power Transfer (ICPT) is a widely used technique to transfer electrical power from a power supply to one or more load(s) without any physical link. Even with large airgaps between primary and secondary coils, a very high power transfer ef ...

2013

Control-Free Mechanical Oscillator Powered by Shape Memory Alloys

Yves Perriard, Paolo Germano, Thomas Guillaume Martinez, Sean Thomas

Shape Memory Alloy (SMA) based actuators have been commonly used in applications that require being compact and lightweight. In this paper, the inherent stiffness of a flexure-based linear guide is used to create a bias-spring SMA actuator which further re ...

IEEE2021

Development and validation of a dielectric-elastomer-based artificial urinary sphincter

Yves Perriard, Yoan René Cyrille Civet, Paolo Germano, Armando Matthieu Walter, Quentin Philippe Mario De Menech, Andres Osorio Salazar, Marc Michel Charles Favier

This study presents the development and experimental validation of an artificial urinary sphincter (AUS) based on dielectric elastomer actuators (DEAs) for the treatment of urinary incontinence. Traditional AUS devices are often mechanically complex, prone ...

SPIE2025

Battery Charger for Electric Vehicles based on a Wireless Power Transmission

Yves Perriard, Paolo Germano

In this paper, the case of a battery charger for electric vehicles based on a wireless power transmission is addressed. The specificity of every stage of the overall system is presented. Based on calculated and measured results, relevant capacitive compens ...

2017

Soft Magnets Implementation using a Stereolithography-based 3D Printer

Yves Perriard, Paolo Germano

A wide part of the proposed paper is devoted to designing soft magnets using a stereolithography 3D printer. A state of the art on soft magnetic materials is carried out together with an overview of the existing printing technologies to obtain complex non- ...

2017

Reinforcement Learning and Hardware in the Loop for Localized Vibrotactile Feedback in Haptic Surfaces

Yves Perriard, Paolo Germano, Xiaotao Ren, Camilo Hernandez Mejia, Marc Michel Charles Favier

Touch is commonly used to mediate human-machine interactions, notably in the setting of Digital Musical Instruments (DMIs), where touch screens are prevalent. The lack of rich haptic feedback has an impact on the richness and quality of the interaction. Pi ...

IEEE2021