Contribution à la modélisation multi-physique des systèmes complexes dans un contexte de DFX PDF Download
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Author: Jean-Sébastien Klein Meyer
Publisher:
ISBN:
Category :
Languages : fr
Pages : 234
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Book Description
Nous proposons dans ce mémoire une méthode pour assister le concepteur dans le choix des technologies. Nous proposons d’enrichir les liens entre les spécifications fonctionnelles du produit et les technologies. La liaison entre ces deux concepts se fait par le biais des principes physiques. Nous proposons un modèle basé sur les relations entre Fonction, Principe Physique et Technologie (FPPT). Nous rentrons dans le détail de ce modèle en précisant minutieuse-ment le processus de création, les entités com-posant le modèle FPPT et les paramètres fonc-tionnels, physiques et technologiques qui y apparaissent. Ils permettent de renforcer les liens et de justifier les choix de conception. Ils peuvent être utilisés pour simuler, très tôt dans le processus de conception, le comportement des solutions choisies. Le modèle FPPT prend en compte les différen-tes limites physiques ou technologiques impo-sées par la physique ou la technologie. Ces limites sont notamment utiles pour la concep-tion de MEMS. Nous verrons à travers un exemple (la conception d’un micro interrupteur électrique) comment la méthode FPPT s’intègre dans l’ensemble de l’approche DFX. Nous verrons également comment les informa-tions apportées par le modèle FPPT et ses pa-ramètres peuvent être utilisés pour réaliser des calculs plus complexes : optimisation multi dis-ciplinaire (MDO) ou analyse de la robustesse. Enfin, nous présentons les spécifications et le développement d’un démonstrateur informati-que (système KBE) implémentant le modèle FPPT
Author: Jean-Sébastien Klein Meyer
Publisher:
ISBN:
Category :
Languages : fr
Pages : 234
Get Book Here
Book Description
Nous proposons dans ce mémoire une méthode pour assister le concepteur dans le choix des technologies. Nous proposons d’enrichir les liens entre les spécifications fonctionnelles du produit et les technologies. La liaison entre ces deux concepts se fait par le biais des principes physiques. Nous proposons un modèle basé sur les relations entre Fonction, Principe Physique et Technologie (FPPT). Nous rentrons dans le détail de ce modèle en précisant minutieuse-ment le processus de création, les entités com-posant le modèle FPPT et les paramètres fonc-tionnels, physiques et technologiques qui y apparaissent. Ils permettent de renforcer les liens et de justifier les choix de conception. Ils peuvent être utilisés pour simuler, très tôt dans le processus de conception, le comportement des solutions choisies. Le modèle FPPT prend en compte les différen-tes limites physiques ou technologiques impo-sées par la physique ou la technologie. Ces limites sont notamment utiles pour la concep-tion de MEMS. Nous verrons à travers un exemple (la conception d’un micro interrupteur électrique) comment la méthode FPPT s’intègre dans l’ensemble de l’approche DFX. Nous verrons également comment les informa-tions apportées par le modèle FPPT et ses pa-ramètres peuvent être utilisés pour réaliser des calculs plus complexes : optimisation multi dis-ciplinaire (MDO) ou analyse de la robustesse. Enfin, nous présentons les spécifications et le développement d’un démonstrateur informati-que (système KBE) implémentant le modèle FPPT
Author: Max Giordano
Publisher: John Wiley & Sons
ISBN: 1118587529
Category : Business & Economics
Languages : en
Pages : 389
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Book Description
This book gives a comprehensive view of the most recent major international research in the field of tolerancing, and is an excellent resource for anyone interested in Computer Aided Tolerating. It is organized into 4 parts. Part 1 focuses on the more general problems of tolerance analysis and synthesis, for tolerancing in mechanical design and manufacturing processes. Part 2 specifically highlights the simulation of assembly with defects, and the influence of tolerances on the quality of the assembly. Part 3 deals with measurement aspects, and quality control throughout the life cycle. Different measurement technologies and methods for estimating uncertainty are considered. In Part 4, different aspects of tolerancing and their interactions are explored, from the definition of functional requirement to measurement processes in a PLM approach.
Author: Maurizio Rossi
Publisher:
ISBN: 9788838761379
Category : Architecture
Languages : en
Pages : 325
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Book Description
Author: Dov Dori
Publisher: Springer
ISBN: 1493932950
Category : Computers
Languages : en
Pages : 419
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Book Description
Model-Based Systems Engineering (MBSE), which tackles architecting and design of complex systems through the use of formal models, is emerging as the most critical component of systems engineering. This textbook specifies the two leading conceptual modeling languages, OPM—the new ISO 19450, composed primarily by the author of this book, and OMG SysML. It provides essential insights into a domain-independent, discipline-crossing methodology of developing or researching complex systems of any conceivable kind and size. Combining theory with a host of industrial, biological, and daily life examples, the book explains principles and provides guidelines for architecting complex, multidisciplinary systems, making it an indispensable resource for systems architects and designers, engineers of any discipline, executives at all levels, project managers, IT professional, systems scientists, and engineering students.
Author: Wolfgang Wimmer
Publisher: Springer Science & Business Media
ISBN: 9781402030703
Category : Business & Economics
Languages : en
Pages : 168
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Book Description
Stakeholders such as environmental directives and customer demands for reducing environmental impacts of a product require innovative and environmentally improved products. Therefore a systematic approach and effective methods and tools are needed in the early phase of product development. The basic elements for optimized process management in the design department are described in this book. The book provides twelve easy to follow steps for implementing ECODESIGN in a company. It gives clear advice how to integrate environmental considerations into product design and development, and combines ECODESIGN with Life Cycle Assessment and Environmental Communication. Chapters on Product modeling, Life Cycle Assessment, ECODESIGN tasks, Product Improvement and Environmental Communication use the previously developed ECODESIGN PILOT (www.ecodesign.at/pilot) and show its application to a real product example. The book comes with two web tools: one is the ECODESIGN PILOT, used to find measures to environmentally improve a product within a short time. The other is the ECODESIGN PILOT's Assistant (www.ecodesign.at/assist): an expert system, which helps to find the right improvement strategy for a product. Audience This book will be of interest to environmental and sustainability managers, engineers in research and product development, to designers, environmental experts, and consultants, as well as to students working in this field.
Author: Günter Enderle
Publisher:
ISBN:
Category : Computer graphics
Languages : en
Pages :
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Book Description
Author: Dimitri P. Bertsekas
Publisher: Goodman Publishers
ISBN:
Category : Mathematics
Languages : en
Pages : 808
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Book Description
Author: Grégoire Chamayou
Publisher: Polity
ISBN: 9781509542000
Category : Political Science
Languages : en
Pages : 350
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Book Description
Rebellion was in the air. Workers were on strike, students were demonstrating on campuses, discipline was breaking down. No relation of domination was left untouched – the relation between the sexes, the racial order, the hierarchies of class, relationships in families, workplaces and colleges. The upheavals of the late 1960s and early 1970s quickly spread through all sectors of social and economic life, threatening to make society ungovernable in the eyes of ruling elites. This crisis was also the birthplace of the authoritarian liberalism which continues to cast its shadow across the world in which we now live. To ward off the threat, new arts of government were devised in business-related circles, which included a war against the trade unions, the primacy of shareholder value and a dethroning of politics. The neoliberalism that thus began its triumphal march was not, however, determined by a simple ‘state phobia’ and a desire to free up the economy from government interference. On the contrary, the strategy for overcoming the crisis of governability consisted in an authoritarian liberalism in which the liberalization of society went hand-in-hand with new forms of power imposed from above: a ‘strong state’ for a ‘free economy’ became the new magic formula of our capitalist societies. Grégoire Chamayou analyses this crisis as it was perceived and theorized in the 1970s by those who strove to defend the interests of business – that is, the ruling elites, especially in the United States, from which a far-reaching intellectual and political movement spread. The new arts of government they devised are still with us today and we can understand their nature and lasting influence only by re-examining the history of the conflicts that brought them into being.
Author: G. Bastin
Publisher: Elsevier
ISBN: 1483290980
Category : Technology & Engineering
Languages : en
Pages : 394
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Book Description
This book deals with monitoring and control of biotechnological processes. Different methods are proposed which are based on the nonlinear structure of the process and do not require any a priori knowledge of the fermentation parameters. The theoretical stability and convergence properties of the proposed algorithms are analysed and their performances are illustrated by simulation results and, in many instances, by real life experiments. The concept of software sensors is introduced; these are algorithms based on the nonlinear model of the process and designed for on-line estimation of the biological variables and/or the fermentation parameters. In order to deal with process nonstationarities and parameter uncertainties, reference is made to adaptive estimation and control techniques.The book is the result of an intensive joint research effort by the authors during the last decade. It is intended as a graduate level text for students of bioengineering as well as a reference text for scientists and engineers involved in the design and optimization of bioprocesses.
Author: Sanford Friedenthal
Publisher: Morgan Kaufmann
ISBN: 0123838576
Category : Computers
Languages : en
Pages : 577
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Book Description
A Practical Guide to SysML: The Systems Modeling Language is a comprehensive guide to SysML for systems and software engineers. It provides an advanced and practical resource for modeling systems with SysML. The source describes the modeling language and offers information about employing SysML in transitioning an organization or project to model-based systems engineering. The book also presents various examples to help readers understand the OMG Systems Modeling Professional (OCSMP) Certification Program. The text is organized into four parts. The first part provides an overview of systems engineering. It explains the model-based approach by comparing it with the document-based approach and providing the modeling principles. The overview of SYsML is also discussed. The second part of the book covers a comprehensive description of the language. It discusses the main concepts of model organization, parametrics, blocks, use cases, interactions, requirements, allocations, and profiles. The third part presents examples that illustrate how SysML supports different model-based procedures. The last part discusses how to transition and deploy SysML into an organization or project. It explains the integration of SysML into a systems development environment. Furthermore, it describes the category of data that are exchanged between a SysML tool and other types of tools, and the types of exchange mechanisms that can be used. It also covers the criteria that must be considered when selecting a SysML. Software and systems engineers, programmers, IT practitioners, experts, and non-experts will find this book useful.*The authoritative guide for understanding and applying SysML*Authored by the foremost experts on the language*Language description, examples, and quick reference guide included
