Application of a unified Jacobian—torsor model for tolerance analysis

A Desrochers, W Ghie… - J. Comput. Inf. Sci …, 2003 - asmedigitalcollection.asme.org
Because of uncertainties in manufacturing processes, a mechanical part always shows
variations in its geometrical characteristics (ex. form, dimension, orientation and position) …

Statistical and deterministic tolerance analysis and synthesis using a unified Jacobian-torsor model

L Laperriere, W Ghie, A Desrochers - CIRP annals, 2002 - Elsevier
This paper presents a model for computer-aided tolerancing which enables to perform
tolerance analysis and tolerance synthesis in both deterministic or statistical situations. The …

A CAD/CAM representation model applied to tolerance transfer methods

A Desrochers - J. Mech. Des., 2003 - asmedigitalcollection.asme.org
This paper presents the adaptation of tolerance transfer techniques to a model called TTRS
for Technologically and Topologically Related Surfaces. According to this model, any three …

Assembly sequence influence on geometric deviations propagation of compliant parts

M Mounaud, F Thiebaut, P Bourdet… - … Journal of Production …, 2011 - Taylor & Francis
This paper presents a non-rigid part variation simulation method for fulfilling functionnal
requirements on compliant assemblies. This method is based on the propagation of different …

A unified Jacobian-torsor model for analysis in computer aided tolerancing

W Ghie, L Laperrière, A Desrochers - Recent advances in integrated …, 2003 - Springer
This paper presents a unified model for computer-aided tolerancing. It combines the benefits
of the Jacobian matrix model and the torsor (or screw) model. The former is based on small …

Evaluation of the shape deviation of non rigid parts from optical measurements

F Thiébaut, C Lacroix, L Andolfatto… - The International Journal of …, 2017 - Springer
This paper deals with an approach to identify geometrical deviations of flexible parts from
optical measurements. Each step of the approach defines a specific issue which we try to …

Octree-based generation and variation analysis of skin model shapes

F Yacob, D Semere, E Nordgren - Journal of Manufacturing and Materials …, 2018 - mdpi.com
The concept of Skin Model Shape has been introduced as a method for a close
representation of manufactured parts using a discrete geometry representation scheme …

Statistical tolerancing based on variation of point-set

J Yang, J Wang, Z Wu, N Anwer - Procedia Cirp, 2013 - Elsevier
Functional tolerancing of mechanisms has now been well accepted in industry and become
a major concern for academia. After a brief comparison of existing 3D functional tolerance …

Contribution à l'analyse des tolerances géométriques d'un système mécanique par des polytopes

D Teissandier - 2012 - hal.science
Résumé L'analyse des tolérances géométriques d'un système mécanique consiste à
simuler la vérification de la conformité d'un système mécanique au regard des exigences …

Stratégies de mise en oeuvre des polytopes en analyse de tolérance

L Homri - 2014 - theses.hal.science
En analyse de tolérances géométriques, une approche consiste à manipuler des polyèdres
de R'issus d'ensembles de contraintes linéaires. La position relative entre deux surfaces …