Luc Mathieu

Canadian Nurses Foundation

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i-10 index

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Nabil Anwer

École Normale Supérieure Paris-Saclay

François Villeneuve

Laboratoire des Sciences pour la Conception, l'Optimisation et la Production

Alex Ballu

Institut Polytechnique de Bordeaux

Diane Guay

Quebec Network for Research on Aging

Thao Pham

Hôpital Sainte-Marguerite

Sandro Wartzack

Friedrich-Alexander-Universität Erlangen-Nürnberg

Thomas Armingeat

Centre Hospitalier Saint-Nazaire

Cécile Michaud

Corewell Health

Benjamin Schleich

Technical University of Darmstadt

Jean‐Yves Dantan

Laboratoire de Conception Fabrication Commande

Cooperative Institutions

Université de Montréal

Université de Sherbrooke

Université Laval

Inserm

Centre Intégré Universitaire de Santé et de Services Sociaux du Centre-Sud-de-l'Île-de-Montréal

Assistance Publique – Hôpitaux de Paris

Université Paris Cité

Centre National de la Recherche Scientifique

Université Paris-Saclay

École Normale Supérieure Paris-Saclay

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Geometrical Product Specification and Verification as toolbox to meet up-to-date technical requirements

Wojciech Płowucha Władysław Jakubiec Zbigniew Humienny Tino Hausotte Enrico Savio

The ISO standards for the Geometrical Product Specification and Verification (GPS) define an internationally uniform description language, that allows expressing unambiguously and completely all requirements for the geometry of a product with the corresponding requirements for the inspection process in technical drawings, taking into account current possibilities of measurement and testing technology. The practice shows that the university curricula of the mechanical engineering faculties often include only limited classes on the GPS, mostly as part of curriculum of subjects like Metrology or Fundamentals of Machine Design. This does not allow students to gain enough knowledge on the subject. Currently there is no coherent EU-wide provision for vocational training (VET) in this area. Consortium, members of which are the authors of this paper, is preparing a proposal of an EU project aiming to develop appropriate course.

Toolbox

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Citations (9)

Chapitre 1. Les problématiques actuelles de recherche en tolérancement et les apports du GRT

HAL (Le Centre pour la Communication Scientifique Directe) (2007)

Luc Mathieu François Villeneuve

Cet ouvrage represente une premiere etape concrete de la volonte commune des membres du GRT de mettre en commun et de debattre en profondeur des problematiques scientifiques du tolerancement pour en presenter les enjeux aupres de la communaute scientifique, mais egalement pour montrer l'etat d'aboutissement des recherches aux industriels dont les problematiques sont le moteur initial de nos travaux. Les modeles, methodes et outils presentes dans les chapitres suivants constituent une synthese nationale des principaux resultats produits par les dix laboratoires impliques dans le GRT. Les solutions proposees sont enrichies des echanges et des discussions du groupe. Que ce travail puisse servir aux recherches de nouveaux chercheurs dans le domaine ou qu'il eveille la curiosite des industriels vers de nouvelles approches a mettre en oeuvre est bien entendu notre voeu le plus cher. Le travail n'est cependant bien evidemment pas termine, et la section 1.4 de ce chapitre offre un eventail de nouvelles perspectives de recherche pour aller vers une maitrise economique des variations geometriques des produits le long du cycle de vie. L'etape suivante que se fixe le GRT devrait s'inscrire dans le cadre d'un projet national de recherche en tolerancement et metrologie, mobilisant les differentes competences reparties sur le territoire pour lever une partie des verrous scientifiques identifies tout en repondant aux attentes des entreprises.

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Development of integrated care pathways: toward a care management system to meet the needs of frail and disabled community-dwelling older people

International Journal of Integrated Care (2013)

Nicole Dubuc Lucie Bonin André Tourigny Luc Mathieu Yves Couturier

The home care and services provided to older adults with the same needs are often inadequate and highly varied. Integrated care pathways (ICPs) can resolve these issues. The aim of this study was to develop the content of ICPs to follow-up frail and disabled community-dwelling older people.A RIGOROUS PROCESS WAS APPLIED ACCORDING TO A SERIES OF STEPS: identification of desirable characteristics and a theoretical framework; review of evidence-based practices and current practices; and determination of ICPs by an interdisciplinary task team.ICPs are intended to prevent specific problems, maximize independence, and promote successful aging. They are organized according to a dynamic process: (1) needs assessment and assessment of risk/protection factors; (2) data-collection summary and goals identification; (3) planning of interventions from a client-centered view; (4) coordination, delivery, and follow-up; and (5) identification of variances, as well as review and adjustment of plans.Once computerized, these ICPs will facilitate the exchange of information as well as the clinical decision-making process with a perspective to adequately matching the needs of an individual person with resources that delay or slow the progression of frailty and disability. Once aggregated, the data will also support managers in organizing teamwork and follow-up for clients.

Identification

Independent living

Integrated Care

10.5334/ijic.976

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Citations (49)

Virtual Gauge with Internal Mobilities for the Verification of Functional Specifications

Springer eBooks (1998)

Luc Mathieu Alex Ballu

Mobilities

10.1007/978-1-4615-5797-5_28

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Citations (4)

Geometric Product Specification of Gears: The GeoSpelling Perspective

Procedia CIRP (2015)

Min Zhang Zhaoyao Shi Luc Mathieu Nabil Anwer Jianxin Yang

Gears as the key transmission parts of machineries are widely used in mechanical and aeronautical fields. GeoSpelling, a framework standardized as ISO 17450-2005 supported tolerancing process by a set of concepts and mathematical algorithms, is a coherent and complete model to manage the shape variations of geometrical parts. Considering current gear specification standards incline to inspection convenient ignoring tolerance quality control, so it is a realistic necessary to develop a coherent gear specification model based on GeoSpelling language. This model should not only consider integrating functional requirements involved in design stage but also be able to correspond to manufacturing and inspection procedures. In this paper a new approach based on discrete geometry is introduced to design gear specification model. It is also focus on a perspective discussion on how SSA (Statistical Shape Analysis) method could be a solution to analyze the gear integrated errors into different individual errors, such as tangential composite error, tooth-to-tooth tangential composite error, pitch accumulated deviation, tooth-to-tooth pitch accumulated deviation and geometric eccentricity. The fundamentals mentioned above provide a reliable methodology for analyzing gear manufacturing errors. As a result it is able to enhance the computational processing capability and metrological traceability for gear quality control.

Non-circular gear

Eccentricity (behavior)

Bevel gear

10.1016/j.procir.2015.04.049

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Citations (12)

Tolerance synthesis: quantifier notion and virtual boundary

Computer-Aided Design (2004)

Jean‐Yves Dantan Luc Mathieu Alex Ballu Patrick Martin

Quantifier elimination

Quantifier (linguistics)

10.1016/j.cad.2004.06.008

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Citations (67)

À propos d'un cas de maladie de Horton apparue sous adalimumab

Revue du Rhumatisme (2007)

H. Leydet-Quilici Luc Mathieu Thomas Armingeat Thao Pham Pierre Lafforgue

10.1016/j.rhum.2006.10.669

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Citations (0)

Method for Geometric Variation Management from Key Characteristics to Specification

Springer eBooks (2003)

Benoît Marguet Luc Mathieu

Identification

Sequence (biology)

Variation (astronomy)

Product design specification

10.1007/978-94-017-1691-8_22

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Citations (8)

Deviation Modeling and Shape Transformation in Design for Additive Manufacturing

Procedia CIRP (2017)

Zuowei Zhu Nabil Anwer Luc Mathieu

Additive Manufacturing (AM) technologies have gained extensive applications due to their capability to manufacture parts with complex shape, architected materials and multiple structure. However, the dimensional and geometrical accuracy of the resulting product remain a bottleneck for AM regarding quality assurance and control. Design for Additive Manufacturing (DfAM) aims at using different methodologies to help designer take into account the technological or geometrical specificities of AM, to maximize product performance during the design stage. As a main concern in DfAM, the consistency between the digital product and the final outcome should be effectively assessed. Therefore, the geometric deviations between designed model and real product should be modeled, in order to derive correction and compensation plans to increase geometrical accuracy, or to predict product performance more precisely. In this paper, a new deviation modeling method based on the STL file is proposed. A new shape transformation method is developed based on contour point displacement. In each slice, systematic deviations are represented by polar and radial functions and random deviations are modeled by translating the contour points with a given distance derived from the random field theory. The proposed method makes a good prediction of both repeatable and unexpected deviations of product shape, thus providing the designer with meaningful information for design improvement.

10.1016/j.procir.2017.01.023

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Citations (51)

Geometric Tolerancing of Products

Wiley eBooks (2013)

François Villeneuve Luc Mathieu

Geometric pattern

10.1002/9781118587027

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Citations (4)