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Sur La Modelisation Et La Commande Multimodele Des Processus Complexes Et Ou Incertains
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Book Synopsis Sur la modélisation et la commande multimodèle des processus complexes et/ou incertains by : Zohra Kardous
Download or read book Sur la modélisation et la commande multimodèle des processus complexes et/ou incertains written by Zohra Kardous and published by . This book was released on 2004 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce mémoire porte sur la modélisation et la commande multimodèle des systèmes complexes incertains. L'approche envisagée s'appuie sur le principe de génération de bases de modèles pouvant être locaux ou génériques déterminés suivant des procédures exploitant l'approche algébrique de Kharitonov. Le nombre de modèles génériques est limité à quatre ou cinq. L'évaluation de la pertinence des modèles est assurée au moyen de validités calculées en ligne en se référant aux réponses du processus. De telles validités sont utilisées pour générer la commande multimodèle selon une stratégie par fusion. Deux méthodes de fusion sont alors proposées; une fusion au niveau des commandes élémentaires et une autre au niveau des paramètres de commande. Une stratégie de synthèse d'un observateur multimodèle a été également formulée en s'inspirant de la structure de commande multimodèle étudiée. Les validités utilisées étant exprimées en fonction de résidus, de nouvelles formulations des résidus ont été proposées en vue d'améliorer les performances des lois de commande et d'observation d'état développées. Une étude concernant la stabilité et la stabilisation des systèmes mutimodèles a été menée avec ou sans observateur d'état. Dans ce cadre, un ensemble de critères de stabilité et de stabilisabilité a été proposé. Ces critères se présentent sous la forme de contraintes LMI dépendant des paramètres de commande et d'observation. Leur résolution conduit à la détermination des gains de retour d'état et des gains d'observation recherchés. L'étude de la stabilisation et de l'observation d'état multimodèles de deux processus physiques a permis de confirmer l'intérêt pratique des approches proposées.
Book Synopsis Design and Modeling of Mechanical Systems—III by : Mohamed Haddar
Download or read book Design and Modeling of Mechanical Systems—III written by Mohamed Haddar and published by Springer. This book was released on 2017-11-25 with total page 1225 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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..
Book Synopsis Contributions à la commande multimodèle des processus complexes by : Moufida Ksouri-Lahmari
Download or read book Contributions à la commande multimodèle des processus complexes written by Moufida Ksouri-Lahmari and published by . This book was released on 1999 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'approche multimodèle est intéressante parce qu'elle permet de représenter les processus complexes par un ensemble de modèles linéaires formant une bibliothèque de modèles. La commande élaborée peut être perçue comme une fusion des commandes partielles calculées à partir de chaque modèle de la base ou, aussi, comme une commutation entre ces dernières. Dans notre travail, nous nous sommes intéressés à plusieurs aspects liés à l'approche multimodèle tout en apportant des éléments de réponses à des questions encore non résolues. Nous avons aussi tenu à effectuer plusieurs applications afin de confirmer les différentes approches proposées. Par des essais pratiques sur plusieurs exemples de simulation nous avons montre l'intérêt de la commande multimodèle et en particulier en considérant les cas de la fusion et de la commutation des commandes. Nous avons aussi prouvé la supériorité d'un modèle de commande du type PI dans certaines situations pratiques et particulier au voisinage de la consigne.
Book Synopsis Contributions a la commande multimodele des processus complexes by : Moufida Ksouri-Lahmari
Download or read book Contributions a la commande multimodele des processus complexes written by Moufida Ksouri-Lahmari and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Approche multimodèle pour la détermination d'une commande discrète d'un système incertain by : Saloua Mezghani
Download or read book Approche multimodèle pour la détermination d'une commande discrète d'un système incertain written by Saloua Mezghani and published by . This book was released on 2000 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'objectif de cette these est de concevoir une commande discrete d'un systeme incertain. Dans la litterature, il existe differentes methodes de commande. Les methodes directes sont basees sur un modele precis tandis que les methodes indirectes n'ont pas de modele precis explicite. La methode indirecte, basee sur l'approche multimodele, est utilisee quand l'action de commande est obtenue a partir de la commutation ou de l'interpolation entre divers modeles specifiques a divers modes de fonctionnement, menant a une commande multimodele. Cette these est une contribution au niveau de la modelisation et de la commande. Dans le cas de la modelisation, l'approche algebrique de kharitonov, utilisee dans le cas continu, et l'operateur delta permettent la generation de modeles extremes qui constituent une base des modeles generiques du multimodele. On associe a chaque modele un controleur qui atteint les objectifs desires de la commande.
Book Synopsis Groundwater Dynamics in Hard Rock Aquifers by : Shakeel Ahmed
Download or read book Groundwater Dynamics in Hard Rock Aquifers written by Shakeel Ahmed and published by Springer Science & Business Media. This book was released on 2008-11-18 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the results and findings of the advanced research carried out in a pilot area with a thorough investigation of the structure and functioning of an aquifer in a granitic formation. It characterizes the hard rock aquifer system and examines its properties and behavior as well as systematically details the geophysical, geological and remote sensing applications to conceptualize such an aquifer system.
Book Synopsis The Abuse of Casuistry by : Albert R. Jonsen
Download or read book The Abuse of Casuistry written by Albert R. Jonsen and published by Univ of California Press. This book was released on 1988 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this engaging study, the authors put casuistry into its historical context, tracing the origin of moral reasoning in antiquity, its peak during the sixteenth and early seventeenth century, and its subsequent fall into disrepute from the mid-seventeenth century.
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 Digitalizing the Port Call Process by :
Download or read book Digitalizing the Port Call Process written by and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This document identifies the principal tensions and opportunities arising that are impacting the inevitable and ongoing digitalization process that is underway in the maritime sector, particularly through the authors' experience in the development and subsequent validation of the Port Collaborative Decision Making (PortCDM) concept. The document also identifies the trends of development at large and those associated with the many stakeholders that are involved in global maritime operations..."--Page 6.
Book Synopsis Hydrodynamic Lubrication by : J. Frene
Download or read book Hydrodynamic Lubrication written by J. Frene and published by Elsevier. This book was released on 1997-11-10 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrodynamic Lubrication is the culmination of over 20 years close, collaborative work by the five authors and discusses the practical use of the formalization of low pressure lubrication. The work concentrates on the developments to journal and thrust bearings and includes subjects such as: • the dynamic behaviour of plain and tilting-pads • the thermal aspects • the positive and negative effects of non-cyclindricity and shape defects resulting from manufacturing or operation • the effects of inertia • the appearance of Taylor's vortices and of turbulence and their repercussions. The book contains an abundance of test results objectively compared with theoretical conclusions and a chapter on "technical considerations" to ensure that draft mechanisms will work satisfactorily under the imposed conditions. Hydrodynamic Lubrication is an essential reference book for future and practising engineers who want to put hydrodynamic and hydrostatic journal bearings and thrust bearings into operation under conditions of total safety.
Book Synopsis Modeling and Using Context by : Varol Akman
Download or read book Modeling and Using Context written by Varol Akman and published by Springer Science & Business Media. This book was released on 2001-07-16 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the reviewed proceedings of the Third International Conference on Modeling and Using Context, CONTEXT 2001, held in Dundee, UK in July 2001. The 30 full papers and 15 short papers presented were carefully reviewed, selected, and revised for inclusion in the proceedings. The papers presented deal with the interdisciplinary topic of modeling and using contextual information from various points of view, ranging through cognitive science, formal logic, artificial intelligence and information processing. Highly general philosophical and logical theories are complemented by specific applications in a variety of fields.
Download or read book Hypertext written by Ray McAleese and published by Intellect (UK). This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The collection of papers is organised into four sections: navigation and browsing, learning, prototyping, and design issues. Each section of the book has a brief introduction and overview. The introduction serves as a brief advance organizer with key questions to consider.
Book Synopsis Modeling and Using Context by : Patrick Brézillon
Download or read book Modeling and Using Context written by Patrick Brézillon and published by Springer. This book was released on 2017-06-06 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the proceedings of the 10th International and Interdisciplinary Conference on Modeling and Using Context, CONTEXT 2017, held in Paris, France, in June 2017. The 26 full papers and 15 short papers presented were carefully reviewed and selected from 88 submissions. The papers feature research in a wide range of disciplines related to issues of context and contextual knowledge and discuss commonalities across and differences between the disciplines' approaches to the study of context. They are organized in the following topical sections: context in representation; context modeling of human activities; context in communication; context awareness; and various specific topics.
Book Synopsis Advances in Acoustics and Vibration by : Tahar Fakhfakh
Download or read book Advances in Acoustics and Vibration written by Tahar Fakhfakh and published by Springer. This book was released on 2016-09-01 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides readers with a snapshot of recent research and industrial trends in field of industrial acoustics and vibration. Each chapter, accepted after a rigorous peer-review process, reports on a selected, original piece of work presented and discussed at International Conference on Acoustics and Vibration (ICAV2016), which was organized by the Tunisian Association of Industrial Acoustics and Vibration (ATAVI) and held March 21-23, in Hammamet, Tunisia. The contributions, mainly written by north African authors, covers advances in both theory and practice in a variety of subfields, such as: smart materials and structures; fluid-structure interaction; structural acoustics as well as computational vibro-acoustics and numerical methods. Further topics include: engines control, noise identification, robust design, flow-induced vibration and many others.This book provides a valuable resource for both academics and professionals dealing with diverse issues in applied mechanics. By combining advanced theories with industrial issues, it is expected to facilitate communication and collaboration between different groups of researchers and technology users.
Book Synopsis Networking of Theories as a Research Practice in Mathematics Education by : Angelika Bikner-Ahsbahs
Download or read book Networking of Theories as a Research Practice in Mathematics Education written by Angelika Bikner-Ahsbahs and published by Springer. This book was released on 2014-08-25 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: How can we deal with the diversity of theories in mathematics education? This was the main question that led the authors of this book to found the Networking Theories Group. Starting from the shared assumption that the existence of different theories is a resource for mathematics education research, the authors have explored the possibilities of interactions between theories, such as contrasting, coordinating, and locally integrating them. The book explains and illustrates what it means to network theories; it presents networking as a challenging but fruitful research practice and shows how the Group dealt with this challenge considering five theoretical approaches, namely the approach of Action, Production, and Communication (APC), the Theory of Didactical Situations (TDS), the Anthropological Theory of the Didactic (ATD), the approach of Abstraction in Context (AiC), and the Theory of Interest-Dense Situations (IDS). A synthetic presentation of each theory and their connections shows how the activity of networking generates questions at the theoretical, methodological and practical levels and how the work on these questions leads to both theoretical and practical progress. The core of the book consists of four new networking case studies which illustrate what exactly can be gained by this approach and what kind of difficulties might arise.
Book Synopsis Intelligent Agent Technology by : Ning Zhong
Download or read book Intelligent Agent Technology written by Ning Zhong and published by World Scientific. This book was released on 2001 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is an attempt to capture the essence of the state-of-the-art of intelligent agent technology and to identify the new challenges and opportunities that it is or will be facing. The most important feature of the volume is that it emphasizes a multi-faceted, holistic view of this emerging technology, from its computational foundations OCo in terms of models, methodologies, and tools for developing a variety of embodiments of agent-based systems OCo to its practical impact on tackling real-world problems. Contents: Formal Agent Theories; Computational Architecture and Infrastructure; Learning and Adaptation; Knowledge Discovery and Data Mining Agents; Distributed Intelligence; Agent Based Applications. Readership: Graduate students in computer science and engineering, academics/lecturers, researchers, software/systems engineers, IT engineers and industrialists."
Book Synopsis How Language Began by : David McNeill
Download or read book How Language Began written by David McNeill and published by Cambridge University Press. This book was released on 2012-08-30 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human language is not the same as human speech. We use gestures and signs to communicate alongside, or instead of, speaking. Yet gestures and speech are processed in the same areas of the human brain, and the study of how both have evolved is central to research on the origins of human communication. Written by one of the pioneers of the field, this is the first book to explain how speech and gesture evolved together into a system that all humans possess. Nearly all theorizing about the origins of language either ignores gesture, views it as an add-on or supposes that language began in gesture and was later replaced by speech. David McNeill challenges the popular 'gesture-first' theory that language first emerged in a gesture-only form and proposes a groundbreaking theory of the evolution of language which explains how speech and gesture became unified.
