INTEGRATION DES RESEAUX DE NEURONES DANS LA CONCEPTION ET L'OPTIMISATION DES STRUCTURES MECANIQUES PDF Download
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Author: ASSAD.. KALLASSY
Publisher:
ISBN:
Category :
Languages : fr
Pages : 180
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Book Description
L'OPTIMISATION DES STRUCTURES ET SYSTEMES MECANIQUES UTILISE ESSENTIELLEMENT DES METHODES D'OPTIMISATION SE BASANT SUR UN CALCUL DE SENSIBILITE. CES METHODES REQUIERENT UNE MISE EN UVRE DELICATE ET RISQUENT DE TOMBER SUR DES OPTIMA LOCAUX. D'AUTRES METHODES A STRATEGIE DE RECHERCHE ALEATOIRE, COMME LES ALGORITHMES GENETIQUES, SONT SIMPLES A MANIPULER MAIS DEMANDENT UN NOMBRE PROHIBITIF DE CALCULS DE LA FONCTION OBJECTIF. CES INCONVENIENTS S'ACCENTUENT LORSQU'ON APPLIQUE CES METHODES CONJOINTEMENT A UNE ANALYSE MECANIQUE PAR ELEMENTS FINIS, TRES COUTEUSE EN TEMPS DE CALCUL. NOTRE STRATEGIE DE RECHERCHE CONSISTE A REMPLACER LES FONCTIONS OBJECTIFS ET LES FONCTIONS CONTRAINTES D'UN PROBLEME D'OPTIMISATION PAR LA REPONSE APPROXIMATIVE D'UN RESEAU DE NEURONES (RN), CLASSIQUEMENT LE PRECEPTRON MULTI-COUCHES. CEPENDANT L'UTILISATION DU PMC EST JUSQU'A PRESENT EMPIRIQUE. CE TRAVAIL CONSISTE ESSENTIELLEMENT A CONSTRUIRE UNE NOUVELLE ARCHITECTURE (NA) DE RN SUIVANT UN RAISONNEMENT MATHEMATIQUE CONSTRUCTIF. LA NA PERMET DE DETERMINER AUTOMATIQUEMENT LE NOMBRE DE NEURONES DU RESEAU POUR QUE L'APPROXIMATION ATTEIGNE UNE PRECISION FIXEE PAR L'UTILISATEUR. CETTE NA EST BIEN ADAPTEE A NOTRE FIN : L'OPTIMISATION APRES APPROXIMATION. ELLE EST CAPABLE DE DETERMINER TOUS LES OPTIMA DE LA FONCTION OBJECTIF APRES LA PHASE D'APPRENTISSAGE. L'EXTENSION DE LA NA AU CAS DES VARIABLES DISCRETES S'EST REVELEE EFFICACE. ELLE SE BASE SUR L'IDENTIFICATION DES SCHEMAS TYPES LES PLUS DETERMINANTS DANS L'EVALUATION DE LA VALEUR OBJECTIVE. L'OPTIMISATION PAR UTILISATION DES RN PERMET D'ECONOMISER ENORMEMENT DE TEMPS DE CALCUL. ELLE PEUT ETRE QUALIFIEE DE STRATEGIE D'OPTIMISATION GLOBALE. ELLE SE MONTRE ROBUSTE POUR DES PROBLEMES D'OPTIMISATION MULTI-OBJECTIFS OU MULTIDISCIPLINAIRES. FINALEMENT, ELLE SE TOURNE RESOLUMENT VERS UNE APPROCHE C.A.O DEDIEE A L'ETUDE DE NOMBREUX SYSTEMES MECANIQUES COMPLEXES. L'APPLICATION DE CETTE STRATEGIE A DE MULTIPLES EXEMPLES MECANIQUES TEMOIGNE DE SON EFFICACITE.
Author: ASSAD.. KALLASSY
Publisher:
ISBN:
Category :
Languages : fr
Pages : 180
Get Book Here
Book Description
L'OPTIMISATION DES STRUCTURES ET SYSTEMES MECANIQUES UTILISE ESSENTIELLEMENT DES METHODES D'OPTIMISATION SE BASANT SUR UN CALCUL DE SENSIBILITE. CES METHODES REQUIERENT UNE MISE EN UVRE DELICATE ET RISQUENT DE TOMBER SUR DES OPTIMA LOCAUX. D'AUTRES METHODES A STRATEGIE DE RECHERCHE ALEATOIRE, COMME LES ALGORITHMES GENETIQUES, SONT SIMPLES A MANIPULER MAIS DEMANDENT UN NOMBRE PROHIBITIF DE CALCULS DE LA FONCTION OBJECTIF. CES INCONVENIENTS S'ACCENTUENT LORSQU'ON APPLIQUE CES METHODES CONJOINTEMENT A UNE ANALYSE MECANIQUE PAR ELEMENTS FINIS, TRES COUTEUSE EN TEMPS DE CALCUL. NOTRE STRATEGIE DE RECHERCHE CONSISTE A REMPLACER LES FONCTIONS OBJECTIFS ET LES FONCTIONS CONTRAINTES D'UN PROBLEME D'OPTIMISATION PAR LA REPONSE APPROXIMATIVE D'UN RESEAU DE NEURONES (RN), CLASSIQUEMENT LE PRECEPTRON MULTI-COUCHES. CEPENDANT L'UTILISATION DU PMC EST JUSQU'A PRESENT EMPIRIQUE. CE TRAVAIL CONSISTE ESSENTIELLEMENT A CONSTRUIRE UNE NOUVELLE ARCHITECTURE (NA) DE RN SUIVANT UN RAISONNEMENT MATHEMATIQUE CONSTRUCTIF. LA NA PERMET DE DETERMINER AUTOMATIQUEMENT LE NOMBRE DE NEURONES DU RESEAU POUR QUE L'APPROXIMATION ATTEIGNE UNE PRECISION FIXEE PAR L'UTILISATEUR. CETTE NA EST BIEN ADAPTEE A NOTRE FIN : L'OPTIMISATION APRES APPROXIMATION. ELLE EST CAPABLE DE DETERMINER TOUS LES OPTIMA DE LA FONCTION OBJECTIF APRES LA PHASE D'APPRENTISSAGE. L'EXTENSION DE LA NA AU CAS DES VARIABLES DISCRETES S'EST REVELEE EFFICACE. ELLE SE BASE SUR L'IDENTIFICATION DES SCHEMAS TYPES LES PLUS DETERMINANTS DANS L'EVALUATION DE LA VALEUR OBJECTIVE. L'OPTIMISATION PAR UTILISATION DES RN PERMET D'ECONOMISER ENORMEMENT DE TEMPS DE CALCUL. ELLE PEUT ETRE QUALIFIEE DE STRATEGIE D'OPTIMISATION GLOBALE. ELLE SE MONTRE ROBUSTE POUR DES PROBLEMES D'OPTIMISATION MULTI-OBJECTIFS OU MULTIDISCIPLINAIRES. FINALEMENT, ELLE SE TOURNE RESOLUMENT VERS UNE APPROCHE C.A.O DEDIEE A L'ETUDE DE NOMBREUX SYSTEMES MECANIQUES COMPLEXES. L'APPLICATION DE CETTE STRATEGIE A DE MULTIPLES EXEMPLES MECANIQUES TEMOIGNE DE SON EFFICACITE.
Author: Gérard Dreyfus
Publisher: Springer Science & Business Media
ISBN: 3540288473
Category : Science
Languages : en
Pages : 509
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Book Description
Neural networks represent a powerful data processing technique that has reached maturity and broad application. When clearly understood and appropriately used, they are a mandatory component in the toolbox of any engineer who wants make the best use of the available data, in order to build models, make predictions, mine data, recognize shapes or signals, etc. Ranging from theoretical foundations to real-life applications, this book is intended to provide engineers and researchers with clear methodologies for taking advantage of neural networks in industrial, financial or banking applications, many instances of which are presented in the book. For the benefit of readers wishing to gain deeper knowledge of the topics, the book features appendices that provide theoretical details for greater insight, and algorithmic details for efficient programming and implementation. The chapters have been written by experts and edited to present a coherent and comprehensive, yet not redundant, practically oriented introduction.
Author: Mohamed Haddar
Publisher: Springer
ISBN: 3319666975
Category : Technology & Engineering
Languages : en
Pages : 1225
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Book Description
This book offers a collection of original peer-reviewed contributions presented at the 7th International Congress on Design and Modeling of Mechanical Systems (CMSM’2017), held in Hammamet, Tunisia, from the 27th to the 29th of March 2017. It reports on both research findings, innovative industrial applications and case studies concerning mechanical systems and related to modeling and analysis of materials and structures, multiphysics methods, nonlinear dynamics, fluid structure interaction and vibroacoustics, design and manufacturing engineering. Continuing on the tradition of the previous editions, this proceedings offers a broad overview on the state-of-the art in the field and a useful resource for academic and industry specialists active in the field of design and modeling of mechanical systems. CMSM’2017 was jointly organized by two leading Tunisian research laboratories: the Mechanical, Modeling and Manufacturing Laboratory of the National Engineering School of Sfax and the Mechanical Engineering Laboratory of the National Engineering School of Monastir..
Author: Sahra Gibbon
Publisher: Routledge
ISBN: 1134144725
Category : Health & Fitness
Languages : en
Pages : 387
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Book Description
Biosocialities, Genetics and the Social Sciences explores the social, cultural and economic transformations that result from innovations in genomic knowledge and technology. This pioneering collection uses Paul Rabinow’s concept of biosociality to chart the shifts in social relations and ideas about nature, biology and identity brought about by developments in biomedicine. Based on new empirical research, it contains chapters on genomic research into embryonic stem cell therapy, breast cancer, autism, Parkinson’s and IVF treatment, as well as on the expectations and education surrounding genomic research. It covers four main themes: novel modes of identity and identification, such as genetic citizenship the role of institutions, ranging from disease advocacy organizations and voluntary organizations to the state the production of biological knowledge, novel life-forms, and technologies the generation of wealth and commercial interests in biology. Including an afterword by Paul Rabinow and case studies on the UK, US, Canada, Germany, India and Israel, this book is key reading for students and researchers of the new genetics and the social sciences – particularly medical sociologists, medical anthropologists and those involved with science and technology studies.
Author: Nicholas Ayache
Publisher: Springer
ISBN: 9783642334535
Category : Computers
Languages : en
Pages : 645
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Book Description
The three-volume set LNCS 7510, 7511, and 7512 constitutes the refereed proceedings of the 15th International Conference on Medical Image Computing and Computer-Assisted Intervention, MICCAI 2012, held in Nice, France, in October 2012. Based on rigorous peer reviews, the program committee carefully selected 252 revised papers from 781 submissions for presentation in three volumes. The third volume includes 79 papers organized in topical sections on diffusion imaging: from acquisition to tractography; image acquisition, segmentation and recognition; image registration; neuroimage analysis; analysis of microscopic and optical images; image segmentation; diffusion weighted imaging; computer-aided diagnosis and planning; and microscopic image analysis.
Author: Martin Lindstrom
Publisher: Currency
ISBN: 0385523890
Category : Business & Economics
Languages : en
Pages : 274
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Book Description
NEW YORK TIMES BESTSELLER • “A fascinating look at how consumers perceive logos, ads, commercials, brands, and products.”—Time How much do we know about why we buy? What truly influences our decisions in today’s message-cluttered world? In Buyology, Martin Lindstrom presents the astonishing findings from his groundbreaking three-year, seven-million-dollar neuromarketing study—a cutting-edge experiment that peered inside the brains of 2,000 volunteers from all around the world as they encountered various ads, logos, commercials, brands, and products. His startling results shatter much of what we have long believed about what captures our interest—and drives us to buy. Among the questions he explores: • Does sex actually sell? • Does subliminal advertising still surround us? • Can “cool” brands trigger our mating instincts? • Can our other senses—smell, touch, and sound—be aroused when we see a product? Buyology is a fascinating and shocking journey into the mind of today's consumer that will captivate anyone who's been seduced—or turned off—by marketers' relentless attempts to win our loyalty, our money, and our minds.
Author:
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 358
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Book Description
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: Ed Tittel
Publisher: John Wiley & Sons
ISBN: 0470388668
Category : Computers
Languages : en
Pages : 403
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Book Description
Now featuring more than 250 color illustrations throughout, this perennially popular guide is a must for novices who want to work with HTML or XHTML, which continue to be the foundation for any Web site The new edition features nearly 50 percent new and updated content, including expanded coverage of CSS and scripting, new coverage of syndication and podcasting, and new sample HTML projects, including a personal Web page, an eBay auction page, a company Web site, and an online product catalog The companion Web site features an eight-page expanded Cheat Sheet with ready-reference information on commands, syntax, colors, CSS elements, and more Covers planning a Web site, formatting Web pages, using CSS, getting creative with colors and fonts, managing layouts, and integrating scripts
Author: Aditya Johri
Publisher: Cambridge University Press
ISBN: 1107785855
Category : Technology & Engineering
Languages : en
Pages : 1124
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Book Description
The Cambridge Handbook of Engineering Education Research is the critical reference source for the growing field of engineering education research, featuring the work of world luminaries writing to define and inform this emerging field. The Handbook draws extensively on contemporary research in the learning sciences, examining how technology affects learners and learning environments, and the role of social context in learning. Since a landmark issue of the Journal of Engineering Education (2005), in which senior scholars argued for a stronger theoretical and empirically driven agenda, engineering education has quickly emerged as a research-driven field increasing in both theoretical and empirical work drawing on many social science disciplines, disciplinary engineering knowledge, and computing. The Handbook is based on the research agenda from a series of interdisciplinary colloquia funded by the US National Science Foundation and published in the Journal of Engineering Education in October 2006.
