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Book Description
Le travail présenté dans cette thèse apporte une contribution sur les méthodes d'analyse, de commande robuste appliquées aux machines asynchrones. Le but principal qui est de trouver des correcteurs robustes vis à vis des variations paramètriques a été atteint et a engendré les contributions suivantes : Analyse avec des fonctions de Lyapunov dépendants des paramètres sur le bouclage linéarisant en présence de variations paramètriques. Développement d'une synthèse HÆ sur le modèle linéarisé avec objectifs de commande en multivariable. Utilisation d'un modèle de référence pour robustifier la linéarisation. Développement d'une synthèse mixte H2/HÆ avec modèle de référence sur le modèle de la machine bouclée par linéarisation pour éviter l'influence des variations paramètriques. Comparaison de ces différentes solutions et implantation sur un banc expérimental. L'effort de prouver expérimentalement les apports des commandes synthétisées, a nécessité la mise en œuvre d'un banc d'essai complet avec variateur industriel, cartes " temps réel " et interface logiciel.
Book Description
Le travail présenté dans cette thèse apporte une contribution sur les méthodes d'analyse, de commande robuste appliquées aux machines asynchrones. Le but principal qui est de trouver des correcteurs robustes vis à vis des variations paramètriques a été atteint et a engendré les contributions suivantes : Analyse avec des fonctions de Lyapunov dépendants des paramètres sur le bouclage linéarisant en présence de variations paramètriques. Développement d'une synthèse HÆ sur le modèle linéarisé avec objectifs de commande en multivariable. Utilisation d'un modèle de référence pour robustifier la linéarisation. Développement d'une synthèse mixte H2/HÆ avec modèle de référence sur le modèle de la machine bouclée par linéarisation pour éviter l'influence des variations paramètriques. Comparaison de ces différentes solutions et implantation sur un banc expérimental. L'effort de prouver expérimentalement les apports des commandes synthétisées, a nécessité la mise en œuvre d'un banc d'essai complet avec variateur industriel, cartes " temps réel " et interface logiciel.
Author: Gérard Dreyfus Publisher: Springer Science & Business Media ISBN: 3540288473 Category : Science Languages : en Pages : 509
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: Boulkroune, Abdesselem Publisher: IGI Global ISBN: 152255419X Category : Computers Languages : en Pages : 562
Book Description
In the recent years, fractional-order systems have been studied by many researchers in the engineering field. It was found that many systems can be described more accurately by fractional differential equations than by integer-order models. Advanced Synchronization Control and Bifurcation of Chaotic Fractional-Order Systems is a scholarly publication that explores new developments related to novel chaotic fractional-order systems, control schemes, and their applications. Featuring coverage on a wide range of topics including chaos synchronization, nonlinear control, and cryptography, this publication is geared toward engineers, IT professionals, researchers, and upper-level graduate students seeking current research on chaotic fractional-order systems and their applications in engineering and computer science.
Author: International Livestock Research Institute Publisher: ILRI (aka ILCA and ILRAD) ISBN: 9789291460038 Category : Animal industry Languages : en Pages : 268
Book Description
Policy concepts; Identification of policy issues; Production systems, supply and demand; Market, price and trade policies; Marketing and distribution systems; Budget and manpower planning; Land tenure police for the livestock sector; Policy analysis report writing and communication; Livestock production and marketing in alphabeta - a case study.
Author: CIKM 13 Conference Committee Publisher: ISBN: 9781450326964 Category : Computers Languages : en Pages : 938
Book Description
CIKM'13: 22nd ACM International Conference on Information and Knowledge Management Oct 27, 2013-Nov 01, 2013 San Francisco, USA. You can view more information about this proceeding and all of ACM�s other published conference proceedings from the ACM Digital Library: http://www.acm.org/dl.
Author: Benoit Robyns Publisher: John Wiley & Sons ISBN: 1848216114 Category : Science Languages : en Pages : 306
Book Description
This book deals with the management and valuation of energy storage in electric power grids, highlighting the interest of storage systems in grid applications and developing management methodologies based on artificial intelligence tools. The authors highlight the importance of storing electrical energy, in the context of sustainable development, in "smart grids", and discuss multiple services that storing electrical energy can bring. Methodological tools are provided to build an energy management system storage following a generic approach. These tools are based on causal formalisms, artificial intelligence and explicit optimization techniques and are presented throughout the book in connection with concrete case studies.
Author: Hassan Bevrani Publisher: John Wiley & Sons ISBN: 1119263700 Category : Science Languages : en Pages : 799
Book Description
This book discusses relevant microgrid technologies in the context of integrating renewable energy and also addresses challenging issues. The authors summarize long term academic and research outcomes and contributions. In addition, this book is influenced by the authors’ practical experiences on microgrids (MGs), electric network monitoring, and control and power electronic systems. A thorough discussion of the basic principles of the MG modeling and operating issues is provided. The MG structure, types, operating modes, modelling, dynamics, and control levels are covered. Recent advances in DC microgrids, virtual synchronousgenerators, MG planning and energy management are examined. The physical constraints and engineering aspects of the MGs are covered, and developed robust and intelligent control strategies are discussed using real time simulations and experimental studies.
Author: Leonard J Lickorish Publisher: Routledge ISBN: 1136391924 Category : Business & Economics Languages : en Pages : 257
Book Description
An Introduction to Tourism is the essential guide to the tourism industry. It provides a comprehensive and authoritative introduction to all facets of tourism including: the history of tourism; factors influencing the tourism industry; tourism in developing countries; sustainable tourism; forecasting future trends. Tourism has changed radically in recent years with the onset of many technological and economic changes and an ever increasing concern for the environment. This book provides a down-to-earth introduction to this complex and multi-faceted industry. This invaluable introduction is written for all students of tourism and all those involved in the industry who want to know more about the structure, component activities and environment within which they work.
Author: Eric W. Mitchell Publisher: Nova Science Pub Incorporated ISBN: 9781613241042 Category : Mathematics Languages : en Pages : 359
Book Description
This book presents current research in the study of the classification and application of fractals. Topics discussed include the fractal model application for nanocomposite polymer/organoclay structures; generalised Rauzy fractals and quasiperiodic tilings; the fractal characterisation of zooplankton motion; fractal space-time theory; Higuchi's fractal dimension method in neurophysiological studies; fractal based classification of brain tumours angioarchitecture and fractal analysis in clinical screening and investigation.
Author: Sébastien Caue͏̈t
Author: 
Author: Sébastien Caue͏̈t
Author: Gérard Dreyfus
Author: Boulkroune, Abdesselem
Author: International Livestock Research Institute
Author: CIKM 13 Conference Committee
Author: Benoit Robyns
Author: Hassan Bevrani
Author: Leonard J Lickorish
Author: Eric W. Mitchell