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L'OBJECTIF DE CETTE THESE EST DE DEFINIR UN OUTIL D'AIDE A LA CONCEPTION DES ASSOCIATIONS MACHINE-CONVERTISSEUR ET DE LEURS COMMANDES A PARTIR D'UN CAHIER DES CHARGES D'UNE APPLICATION DONNEE. AFIN D'ETABLIR LES PERFORMANCES DE CES ENSEMBLES, LE CONCEPTEUR UTILISE DANS UN PREMIER TEMPS, UN OUTIL DE SIMULATION DE CES ASSOCIATIONS AVANT DE CONSTRUIRE UN PROTOTYPE. LES PREMIERS CHAPITRES SONT CONSACRES A LA DESCRIPTION D'UN TEL OUTIL AVEC COMME OBJECTIF PRINCIPAL DE PERMETTRE UNE GENERATION AUTOMATIQUE D'EQUATIONS GLOBALES ET DE PROGRAMMES DE SIMULATION A PARTIR D'UNE DESCRIPTION MODULAIRE DE L'APPLICATION. LES DERNIERS CHAPITRES ABORDENT LES PRINCIPES D'UN SYSTEME EXPERT D'AIDE A LA CONCEPTION DE CES ASSOCIATIONS. ILS PRESENTENT LE COTE ITERATIF ET SYSTEMATIQUE DE LA CONCEPTION ET PROPOSENT UN FORMALISME DE DESCRIPTION DE LA CONNAISSANCE QUI A PERMIS DE METTRE EN UVRE UN SYSTEME EXPERT OU CERTAINES ETAPES DU PROCESSUS DE CONCEPTION SONT SYSTEMATISEES
This book proposes systemic design methodologies applied to electrical energy systems, in particular integrated optimal design with modeling and optimization methods and tools. It is made up of six chapters dedicated to integrated optimal design. First, the signal processing of mission profiles and system environment variables are discussed. Then, optimization-oriented analytical models, methods and tools (design frameworks) are proposed. A “multi-level optimization” smartly coupling several optimization processes is the subject of one chapter. Finally, a technico-economic optimization especially dedicated to electrical grids completes the book. The aim of this book is to summarize design methodologies based in particular on a systemic viewpoint, by considering the system as a whole. These methods and tools are proposed by the most important French research laboratories, which have many scientific partnerships with other European and international research institutions. Scientists and engineers in the field of electrical engineering, especially teachers/researchers because of the focus on methodological issues, will find this book extremely useful, as will PhD and Masters students in this field.
Recherche de méthodes et modèles de représentation utilisables pour la détection des défauts sur des entraînements triphasés. Trois classes de défauts sont étudiés pour vérifier la pertinence des procédures utilisées : défauts de commande (séquences asymétriques), mécanique (couple résistant variable) et électrique (variation d'une résistance de phase).
CONCEPTION D'UN ENTRAINEMENT A VITESSE VARIABLE PERFORMANT, ASSOCIANT UNE MACHINE SYNCHRONE EXCITEE PAR ENROULEMENT ET UN ONDULEUR A TRANSISTORS. EN VUE D'OBTENIR LEUR ADAPTATION RECIPROQUE, UNE ANALYSE DETAILLEE DES FONCTIONNEMENTS RESPECTIFS DU CONVERTISSEUR ET DE LA MACHINE EST REALISEE. CRITERES DE DIMENSIONNEMENT OPTIMAL DU CONVERTISSEUR ET DE LA MACHINE. STRUCTURE DE ROTOR QUI MINIMISE L'ONDULATION DU COUPLE ELECTROMAGNETIQUE. ETUDE DE LOIS DE VARIATIONS DU COURANT D'INDUCTEUR ET DE L'ANGLE DE COMMANDE, POUR FONCTIONNER AU-DELA DE LA VITESSE NOMINALE. ETUDE DE L'ALIMENTATION PAR CONVERTISSEUR STATIQUE, PAR UNE SIMULATION NUMERIQUE DE L7ENSEMBLE MACHINE-CONVERTISSEUR-COMMANDE. VERIFICATION EXPERIMENTALE SUR MODELE DE 20 KW.
Conception et réalisation de la commande numérique rapprochée d'un convertisseur électromécanique: application au cycloconvertisseur triphasé. Cette étude porte sur la conception et la réalisation de la commande numérique rapprochée du cycloconvertisseur triphasé. La première partie présente la poursuite d'un projet de commande entièrement numérique du cycloconvertisseur entreprise dans notre laboratoire. Elle consiste en l'étude du comportement dynamique du cycloconvertisseur et l'extension de la commande aux trois branches et en la résolution du problème de la conduction discontinue et de l'alimentation du moteur asynchrone. La deuxième partie propose un outil d'aide a l'implantation de système de commande hybride, en décrivant les fonctions microcodées par des réseaux de pétri interprétés. Cette méthode a été appliquée au cas de la commande du cycloconvertisseur triphasé par un système multiprocesseur
This book focuses on recent and innovative methods on vibration analysis, system identification, and diverse control design methods for both wind energy conversion systems and vibrating systems. Advances on both theoretical and experimental studies about analysis and control of oscillating systems in several engineering disciplines are discussed. Various control devices are synthesized and implemented for vibration attenuation tasks. The book is addressed to researchers and practitioners on the subject, as well as undergraduate and postgraduate students and other experts and newcomers seeking more information about the state of the art, new challenges, innovative solutions, and new trends and developments in these areas. The six chapters of the book cover a wide range of interesting issues related to modeling, vibration control, parameter identification, active vehicle suspensions, tuned vibration absorbers, electronically controlled wind energy conversion systems, and other relevant case studies.
This book features cutting-edge research presented at the second international conference on Artificial Intelligence in Renewable Energetic Systems, IC-AIRES2018, held on 24–26 November 2018, at the High School of Commerce, ESC-Koléa in Tipaza, Algeria. Today, the fundamental challenge of integrating renewable energies into the design of smart cities is more relevant than ever. While based on the advent of big data and the use of information and communication technologies, smart cities must now respond to cross-cutting issues involving urban development, energy and environmental constraints; further, these cities must also explore how they can integrate more sustainable energies. Sustainable energies are a major determinant of smart cities’ longevity. From an environmental and technological standpoint, these energies offer an optimal power supply to the electric network while creating significantly less pollution. This requires flexibility, i.e., the availability of supply and demand. The end goal of any smart city is to improve the quality of life for all citizens (both in the city and in the countryside) in a way that is sustainable and respectful of the environment. This book encourages the reader to engage in the preservation of our environment, every moment, every day, so as to help build a clean and healthy future, and to think of the future generations who will one day inherit our planet. Further, it equips those whose work involves energy systems and those engaged in modelling artificial intelligence to combine their expertise for the benefit of the scientific community and humanity as a whole.
This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.