Tolerance analysis by polytopes: Taking into account degrees of freedom with cap half-spaces

L Homri, D Teissandier, A Ballu - Computer-Aided Design, 2015 - Elsevier
To determine the relative position of any two surfaces in a system, one approach is to use
operations (Minkowski sum and intersection) on sets of constraints. These constraints are …

Minkowski sum of polytopes defined by their vertices

V Delos, D Teissandier - arXiv preprint arXiv:1412.2564, 2014 - arxiv.org
Minkowski sums are of theoretical interest and have applications in fields related to
industrial backgrounds. In this paper we focus on the specific case of summing polytopes as …

Form defects consideration in polytope-based tolerance analysis

T Liu, L Pierre, N Anwer, Y Cao… - Journal of …, 2019 - asmedigitalcollection.asme.org
The polytope-based tolerance analysis in design process uses a finite set of constraints to
represent specifications and propagates these constraints to any objective point in the …

A generic approach for analysis of mechanical assembly

T Liu, Q Zhao, Y Cao, J Yang - Precision Engineering, 2018 - Elsevier
Assembly tolerance analysis is increasingly becoming an innovative method for checking
whether specified tolerances satisfy assembly functional requirements. Skin model shapes …

A computer-aided design-based tolerance analysis of assemblies with form defects and deformations of nonrigid parts

M Tlija, A Korbi, B Louhichi… - … of Computing and …, 2023 - asmedigitalcollection.asme.org
Product assemblability and functional behavior are affected by geometric deviations. These
deviations consist of manufacturing errors and part deformation defects caused by external …

Tolerance analysis by polytopes: application to assembly interferences diagnosis

D Gouyou, D Teissandier, V Delos - Procedia CIRP, 2016 - Elsevier
One way to perform tolerance analysis on over-constrained mechanical systems is to
manipulate sets of constraints. During the 25 last years, several models (domains by …

Minkowski sum of HV-polytopes in Rn

V Delos, D Teissandier - arXiv preprint arXiv:1412.2562, 2014 - arxiv.org
Minkowski sums cover a wide range of applications in many different fields like algebra,
morphing, robotics, mechanical CAD/CAM systems... This paper deals with sums of …

Tolerance analysis of an assembly by considering part deformation

Z Junnan, C Yanlong, L Fan, L Ting, Y Jiangxin - Procedia CIRP, 2020 - Elsevier
Part error will cause the assembly contact state between parts to deviate from the nominal
state, resulting in error accumulation and propagation. Therefore, reasonable tolerance has …

Geometrical variation simulation for assembly with form defects

E Goka, L Homri, P Beaurepaire… - ASME …, 2017 - asmedigitalcollection.asme.org
To improve product quality, tolerance analysis represents nowadays a key element in
industry. It aims to verify whether allocated tolerances satisfy functional and assembly …

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 …