Publications

Mechanical engineering

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

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

Engineering Sciences

Finding the minimal cut sequences of dynamic, repairable, and reconfigurable systems from Generalized Boolean logic Driven Markov Process models

Minimal cut sequences computation is the main objective of qualitative safety analysis of dynamic systems. This article shows first that the existing definitions of minimal cut sequences are not suitable when these systems are both repairable and…

Pierre-Yves Piriou, Jean-Marc Faure, Jean-Jacques Lesage

Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability - 2022

Mechanical engineering

Offline laser power modulation in LPBF additive manufacturing including kinematic and technological constraints

Purpose: In Laser Power Bed Fusion (LPBF), the process and operating parameters influence the mechanical and geometrical characteristics of the manufactured parts. Therefore, the optimization and control of these parameters are mandatory to improve…

Kamel Ettaieb, Kevin Godineau, Sylvain Lavernhe, Christophe Tournier

Rapid Prototyping Journal - 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

Human-Computer Interaction

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