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Diagnostic Des Systemes Dynamiques Hybrides A Modes Non Lineaires
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Book Synopsis Diagnostic des systèmes dynamiques hybrides à modes non linéaires by : Talel Zouari
Download or read book Diagnostic des systèmes dynamiques hybrides à modes non linéaires written by Talel Zouari and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cette thèse concerne le diagnostic des systèmes à commutations (classe particulière de systèmes dynamiques hybrides) à modes non linéaires. Certains modes correspondent au fonctionnement normal, sans défaut ; d'autres modes représentent le comportement du système en présence de défauts capteurs, actionneurs ou composants internes. Une représentation générale multi-mode/multimodèle est proposée. Chaque mode non linéaire est modélisé sous la forme multimodèle de type Takagi-Sugeno. Cette modélisation permet de représenter un système non linéaire par une agrégation de modèles locaux linéaires. Une fonction de pondération est utilisée pour déterminer la contribution de chaque modèle local linéaire. Une conception robuste de résidus, basée sur des techniques de projection matricielle est proposée. Cette méthode utilise uniquement les données d'entrées/sorties et la connaissance des fonctions de pondération. En premier lieu, la méthode de projection des données permet de détecter et de localiser les défauts affectant les capteurs dans un mode non linéaire. En deuxième lieu, elle permet de détecter les défauts actionneurs ou les défauts internes en détectant les commutations et en reconnaissant, à chaque instant, le mode actif. Des conditions de discernabilité entre les modes sont établies et un indice de discernabilité calculé en-ligne est utilisé pour réduire la complexité de la méthode d'identification du mode courant. Des exemples académiques sont traités tout au long de la thèse afin d'illustrer en simulation, les différentes méthodes proposées.
Book Synopsis Supervision and Safety of Complex Systems by : Nada Matta
Download or read book Supervision and Safety of Complex Systems written by Nada Matta and published by John Wiley & Sons. This book was released on 2012-12-17 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents results of projects carried out by both scientific and industry researchers into the techniques to help in maintenance, control, supervision and security of systems, taking into account the technical environmental and human factors. This work is supported by the Scientific Group GIS 3SGS. It is a collaborative work from 13 partners (academic and industrial) who have come together to deal with security problems. The problems and techniques discussed mainly focus on stochastic and dynamic modeling, maintenance, forecasting, diagnosis, reliability, performance, organizational, human and environmental factors, uncertainty and experience feedback.
Book Synopsis Observation et diagnostic des systèmes hybrides by : Salim Chaib
Download or read book Observation et diagnostic des systèmes hybrides written by Salim Chaib and published by . This book was released on 2007 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les systèmes hybrides sont des systèmes dynamiques faisant intervenir explicitement et simultanément des phénomènes continus et discrets. L'étude des systèmes hybrides : observabilité, synthèse d'observateurs et leur diagnostic sont des problèmes très actuels. Les axes de recherche traités dans cette thèse concernent En premier, l’étude de l’observabilité d’une classe de systèmes hybrides. Nous avons développé deux approches pour l'observabilité de l'état discret dans un système hybride. La première approche est algébrique pour les systèmes hybrides linéaires affines en la commande. La deuxième est géométrique et elle est destinée aux systèmes hybrides non linéaires. En deuxième lieu, nous nous somme intéressés à la synthèse d’observateurs hybrides. Les travaux réalisés dans cet axe de recherche se résument par la synthèse d'un observateur hybride basé sur une fonction de Lyapunov commune, la synthèse d'un observateur hybride avec limitation de performances via un placement régional des pôles et la synthèse d'un observateur hybride à hystérésis, avec une application sur une plate-forme robotique de deux manipulateurs en coopération. Dans la dernière partie, nous avons abordé le problème de diagnostic des systèmes hybrides. Deux approches ont été développées. La première est adaptée aux systèmes hybrides linéaires avec un saut sur l'état continu. Cette approche est basée sur les sous-espaces invariants. La deuxième méthode est une nouvelle approche pour le diagnostic et la reconstruction de défaut dans les systèmes hybride non linéaires. Cette dernière est basée sur un projecteur décomposant la dynamique du système hybride en deux parties. Cette décomposition permet par la suite la reconstruction des défauts. Cette Approche à été appliquée au problème de reconstruction de défauts dans un missile, en utilisant un modèle hybride non linéaire du missile.
Book Synopsis Dynamique Non-linéaire Et Le Chaos by :
Download or read book Dynamique Non-linéaire Et Le Chaos written by and published by . This book was released on 1993 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Proceedings of the 2003 International Conference on Bond Graph Modeling and Simulation (ICBGM 2003), Orlando, Florida, Marriott Orlando Airport, January 19-23, 2003 by : Society for Modeling and Simulation International
Download or read book The Proceedings of the 2003 International Conference on Bond Graph Modeling and Simulation (ICBGM 2003), Orlando, Florida, Marriott Orlando Airport, January 19-23, 2003 written by Society for Modeling and Simulation International and published by . This book was released on 2002 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Neural Networks written by Gérard Dreyfus and published by Springer Science & Business Media. This book was released on 2005-11-25 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Design and Modeling of Mechanical Systems by : Mohamed Haddar
Download or read book Design and Modeling of Mechanical Systems written by Mohamed Haddar and published by Springer Science & Business Media. This book was released on 2013-03-12 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 5th International Congress on Design and Modeling of Mechanical Systems (CMSM) was held in Djerba, Tunisia on March 25-27, 2013 and followed four previous successful editions, which brought together international experts in the fields of design and modeling of mechanical systems, thus contributing to the exchange of information and skills and leading to a considerable progress in research among the participating teams. The fifth edition of the congress (CMSM ́2013), organized by the Unit of Mechanics, Modeling and Manufacturing (U2MP) of the National School of Engineers of Sfax, Tunisia, the Mechanical Engineering Laboratory (MBL) of the National School of Engineers of Monastir, Tunisia and the Mechanics Laboratory of Sousse (LMS) of the National School of Engineers of Sousse, Tunisia, saw a significant increase of the international participation. This edition brought together nearly 300 attendees who exposed their work on the following topics: mechatronics and robotics, dynamics of mechanical systems, fluid structure interaction and vibroacoustics, modeling and analysis of materials and structures, design and manufacturing of mechanical systems. This book is the proceedings of CMSM ́2013 and contains a careful selection of high quality contributions, which were exposed during various sessions of the congress. The original articles presented here provide an overview of recent research advancements accomplished in the field mechanical engineering.
Book Synopsis Mathematical Analysis of Evolution, Information, and Complexity by : Wolfgang Arendt
Download or read book Mathematical Analysis of Evolution, Information, and Complexity written by Wolfgang Arendt and published by John Wiley & Sons. This book was released on 2009-07-10 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematical Analysis of Evolution, Information, and Complexity deals with the analysis of evolution, information and complexity. The time evolution of systems or processes is a central question in science, this text covers a broad range of problems including diffusion processes, neuronal networks, quantum theory and cosmology. Bringing together a wide collection of research in mathematics, information theory, physics and other scientific and technical areas, this new title offers elementary and thus easily accessible introductions to the various fields of research addressed in the book.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1990-05 with total page 1624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diagnosis of the Nitrogen Status in Crops by : Gilles Lemaire
Download or read book Diagnosis of the Nitrogen Status in Crops written by Gilles Lemaire and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a link between theoretical and applied aspects of plant nutrition and agriculture, this book introduces new concepts in plant nutrition. It shows how these can be applied in order to assess the nitrogen status in crops and to improve nitrogen nutrition through optimized N fertilization management. In this way economic benefits can be obtained, while at the same time preventing detrimental effects on the environment. The main agricultural crops - grasses, wheat, barley, Durum wheat, maize, sorghum, grain legumes and potatoes - are covered. The book will be an invaluable source for agronomists.
Book Synopsis The General Theory of Homogenization by : Luc Tartar
Download or read book The General Theory of Homogenization written by Luc Tartar and published by Springer Science & Business Media. This book was released on 2009-12-03 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Homogenization is not about periodicity, or Gamma-convergence, but about understanding which effective equations to use at macroscopic level, knowing which partial differential equations govern mesoscopic levels, without using probabilities (which destroy physical reality); instead, one uses various topologies of weak type, the G-convergence of Sergio Spagnolo, the H-convergence of François Murat and the author, and some responsible for the appearance of nonlocal effects, which many theories in continuum mechanics or physics guessed wrongly. For a better understanding of 20th century science, new mathematical tools must be introduced, like the author’s H-measures, variants by Patrick Gérard, and others yet to be discovered.
Book Synopsis Risk Evaluation and Biological Reference Points for Fisheries Management by : National Research Council Canada
Download or read book Risk Evaluation and Biological Reference Points for Fisheries Management written by National Research Council Canada and published by NRC Research Press. This book was released on 1993 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers presented: 1) Reference points for fisheries management: the western Canadian experience; 2) Reference points for fisheries management: the eastern Canadian experience; 3) Reference points for fisheries management: the ICES experience; 4) Spawning stock biomass per recruit in fisheries management: foundation and current use; 5) The development of a management procedure for the South African anchovy resource; 6) How much spawning per recruit is enough?; 7) The behaviour of Flow, Fmed and Fhigh in response to variation in parameters used for their estimation; 8) The Barents Sea capelin stock collapse: a lesson to learn; 9) Variance estimates for fisheries assessment: their importance and how best to evaluate them; 10) Evaluating the accuracy of projected catch estimates from sequential population analysis and trawl survey abundance estimates; 11) Bootstrap estimates of ADAPT parameters, their projection in risk analysis and their retrospective patterns; 12) Analytical estimates of reliability for the projected yield from commercial fisheries; 13) Risk evaluation of the 10% harvest rate procedure for capelin in NAFO Division 3L; 14) Using jackknife and Monte Carlo simulation techniques to evaluate forecast models for Atlantic salmon; 15) Monte Carlo evaluation of risks for biological reference points used in New Zealand fishery assessments; 16) A comparison of event free risk analysis to Ricker spawner-recruit simulation: an example with Atlantic menhaden; 17) Choosing a management strategy for stock rebuilding when control is uncertain; 18) Risks and uncertainties in the management of a single-cohort squid fishery: the Falkland Islands Illex fishery as an example; 19) Risks of over- and under-fishing new resources; 20) Estimation of density-dependent natural mortality in British Columbia herring stocks through SSPA and its impact on sustainable harvesting strategies; 21) The comparative performance of production-model and ad hoc tuned VPA based feedback-control management procedures for the stock of Cape hake off the west coast of Africa; 22) A proposal for a threshold stock size and maximum fishing mortality rate; 23) Biological reference points for Canadian Atlantic gadoid stocks; 24) Stochastic locally-optimal harvesting; 25) ITQ based fisheries management; 26) Bioeconomic methods for determining TACs; 27) Management strategies: fixed or variable catch quotas; 28) Bioeconomic impacts of TAC adjustment strategies: a model applied to northern cod; 29) Experimental management programs for two rockfish stocks off British Columbia; 30)A brief overview of the experimental approach to reducing uncertainty in fisheries management; 31) Fisheries management organizations: a study of uncertainty.
Book Synopsis Coupling of Fluids, Structures and Waves in Aeronautics by : Noel G. Barton
Download or read book Coupling of Fluids, Structures and Waves in Aeronautics written by Noel G. Barton and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of a workshop held in Melbourne, Australia, entitled "Coupling of Fluids, Structures and Waves in Aeronautics". The 22 papers deal with new computational methods for multi-disciplinary design in aeronautics. They are grouped into chapters on fluids, structures, electromagnetics, optimisation, mathematical methods and tools, and aircraft design. Several papers treat coupling of these themes in a multi-physics setting. Included is a 17-page report of a Round Table discussion entitled "Future Tools for Design and Manufacture of Innovative Products in the Aeronautics Industry", together with a summary of important themes and issues. This research promotes the advanced technologies necessary for continued development of efficient and environmentally sustainable transport systems.
Book Synopsis Relational database courses and exercises by : Kadri Ouahab
Download or read book Relational database courses and exercises written by Kadri Ouahab and published by GRIN Verlag. This book was released on 2018-01-11 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exam Revision from the year 2017 in the subject Business economics - Information Management, , course: Relational database, language: English, abstract: This course is intended for computing sophomores and aims at presenting basic principles of relational DBMS and the practice of these fundamentals. The course content is mainly the following: Chapter 1: Introduction to databases Chapter 2: Relational Model Chapter 3: Relational Algebra Chapter 4: Standardization Chapter 5: SQL Language Chapter 6: Practical work A set of exercises are included at the end of the document. We added a tutorial section and directed to allow students to apply the concepts learned in the five chapters.
Book Synopsis Medical Image Computing and Computer-Assisted Intervention -- MICCAI 2012 by : Nicholas Ayache
Download or read book Medical Image Computing and Computer-Assisted Intervention -- MICCAI 2012 written by Nicholas Ayache and published by Springer. This book was released on 2012-08-28 with total page 645 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis An Introduction to Mathematics of Emerging Biomedical Imaging by : Habib Ammari
Download or read book An Introduction to Mathematics of Emerging Biomedical Imaging written by Habib Ammari and published by Springer Science & Business Media. This book was released on 2008-05-21 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomedical imaging is a fascinating research area to applied mathematicians. Challenging imaging problems arise and they often trigger the investigation of fundamental problems in various branches of mathematics. This is the first book to highlight the most recent mathematical developments in emerging biomedical imaging techniques. The main focus is on emerging multi-physics and multi-scales imaging approaches. For such promising techniques, it provides the basic mathematical concepts and tools for image reconstruction. Further improvements in these exciting imaging techniques require continued research in the mathematical sciences, a field that has contributed greatly to biomedical imaging and will continue to do so. The volume is suitable for a graduate-level course in applied mathematics and helps prepare the reader for a deeper understanding of research areas in biomedical imaging.
Book Synopsis Principles and Practice of Variable Pressure / Environmental Scanning Electron Microscopy (VP-ESEM) by : Debbie Stokes
Download or read book Principles and Practice of Variable Pressure / Environmental Scanning Electron Microscopy (VP-ESEM) written by Debbie Stokes and published by John Wiley & Sons. This book was released on 2008-12-22 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers a simple starting point to VPSEM, especially for new users, technicians and students containing clear, concise explanations Crucially, the principles and applications outlined in this book are completely generic: i.e. applicable to all types of VPSEM, irrespective of manufacturer. Information presented will enable reader to turn principles into practice Published in association with the Royal Microscopical Society (RMS) -www.rms.org.uk
