Publications

Structural mechanics

Simulation thermique par méthode Flash en fabrication additive LPBF pour l'amélioration du procédé et des pièces

Cette étude présente l'outil de simulation thermique développé afin d'analyser et améliorer le comportement thermique des pièces en fabrication par fusion laser sélective sur lit de poudre. La mise en oeuvre d'un modèle analytique explicite permet…

Kamel Ettaieb, Sylvain Lavernhe, Christophe Tournier

15ème colloque national en calcul des structures - 2022

Mechanical engineering

Shape defect analysis from volumetric data - Application to lattice struts in additive manufacturing

Additive manufacturing (AM) revolutionises the way parts are produced as it offers a variety of design freedom. Lattice structures are an illustration of this AM freedom, allowing for the production of complex geometries that are being investigated…

Marc-Antoine de Pastre, Yann Quinsat, Claire Lartigue

Precision Engineering - 2022

Mechanical engineering

Effects of additive manufacturing processes on part defects and properties: a classification review

Additive manufacturing (AM) is an established manufacturing technology which allows for greater design freedom. Across the seven existing AM processes, we observe a variety of defects in printed parts, due to the different physical properties of…

Marc-Antoine de Pastre, Yann Quinsat, Claire Lartigue

International Journal on Interactive Design and Manufacturing - 2022

Automatic

Design of control laws for timed event graphs networks subject to mutual exclusion constraints in Min-Plus algebra.

Maroua Soumatia, Saïd Amari

European Journal of Control - 2022

Mechanics

TIME DEPENDENT SCANNING PATH OPTIMIZATION FOR THE POWDER BED FUSION ADDITIVE MANUFACTURING PROCESS

In this paper, scanning paths optimization for the powder bed fusion additive manufacturing process is investigated. The path design is a key factor of the manufacturing time and for the control of residual stresses arising during the building,…

Mathilde Boissier, G Allaire, Christophe Tournier

Computer-Aided Design - 2022

Biomechanics

Human Weight Compensation With a Backdrivable Upper-Limb Exoskeleton: Identification and Control

Active exoskeletons are promising devices for improving rehabilitation procedures in patients and preventing musculoskeletal disorders in workers. In particular, exoskeletons implementing human limb’s weight support are interesting to restore some…

Dorian Verdel, Simon Bastide, Nicolas Vignais, Olivier Bruneau, Bastien Berret

Frontiers in Bioengineering and Biotechnology - 2022

Bioengineering

Human Weight Compensation With a Backdrivable Upper-Limb Exoskeleton: Identification and Control

Active exoskeletons are promising devices for improving rehabilitation procedures in patients and preventing musculoskeletal disorders in workers. In particular, exoskeletons implementing human limb's weight support are interesting to restore some…

Dorian Verdel, Simon Bastide , Nicolas Vignais , Olivier Bruneau , Bastien Berret 

Frontiers in Bioengineering and Biotechnology - 2022

Mechanical engineering

Évolution de l’industrialisation par l’exploitation des données de production dans un contexte industriel

Safran Aircraft Engines is a major global player in the design and manufacture of aircraft engines for civil and military applications. In an increasingly competitive industrial context, control of the geometric quality of parts and of the finished…

Mathieu Croquelois

Mechanics of materials

A methodology for CT based non-destructive geometrical evaluations of lattice structures by holistic strut measurement approach

The presence of lattice structures is increasing in the manufacturing domain especially in the air/spacecraft and biomedical applications due to their advantages of high strength-to-weight ratios, energy absorption, acoustic and vibrational damping,…

Jitendra Singh Rathore, Chetra Mang, Caroline Vienne, Yann Quinsat, Christophe Tournier

Journal of Manufacturing Science and Engineering - 2021

Robotics

An Identification-Based Method Improving the Transparency of a Robotic Upper Limb Exoskeleton

Over the past decade, research on human-robot collaboration has grown exponentially, motivated by appealing applications to improve the daily life of patients/operators. A primary requirement in many applications is to implement highly transparent…

Dorian Verdel, Simon Bastide, Nicolas Vignais, Olivier Bruneau, Bastien Berret

Robotica - 2021