Optimisation Du Flux Dans La Machine A Induction Par Une Commande Vectorielle
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Optimisation Du Flux Dans La Machine A Induction Par Une Commande Vectorielle
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Author : AMJAD.. BABA
language : fr
Publisher:
Release Date : 1997
Optimisation Du Flux Dans La Machine A Induction Par Une Commande Vectorielle written by AMJAD.. BABA and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
LE TRAVAIL A CONSISTE EN L'ETUDE ET LA REALISATION DE PLUSIEURS METHODES D'OPTIMISATION DE LA COMMANDE D'UN ACTIONNEUR ASYNCHRONE. L'OPTIMISATION EST REALISEE PAR LE CHOIX DE L'ETAT MAGNETIQUE, EN REGIME QUELCONQUE DE FONCTIONNEMENT. NOUS AVONS DETERMINE UN MODELE ADAPTE A LA COMMANDE, DONT LES PARAMETRES SONT FACILEMENT IDENTIFIABLES PAR L'INTERMEDIAIRE D'UN AUTRE MODELE CONVENANT A CETTE IDENTIFICATION. DANS LA COMMANDE VECTORIELLE, L'ETAT MAGNETIQUE EST CLASSIQUEMENT MAINTENU A SA VALEUR NOMINALE. NOUS AVONS EXPOSE UNE METHODE ALTERNATIVE QUI CONSISTE A FAIRE EVOLUER L'ETAT MAGNETIQUE DE LA MACHINE EN FONCTION DU POINT DE FONCTIONNEMENT, AFIN DE MINIMISER UN CRITERE DONNE. LA PREMIERE METHODE D'OPTIMISATION PERMET DE MINIMISER LES PERTES EN REGIME PERMANENT. POUR TENIR COMPTE AUSSI DU REGIME TRANSITOIRE, NOUS AVONS DEVELOPPE UNE AUTRE METHODE UTILISANT LA PROGRAMMATION DYNAMIQUE. CETTE METHODE A ASSURE DES GRANDS AVANTAGES ENERGETIQUES DANS LES DEUX REGIMES, MAIS ELLE A PRESENTE DES INCONVENIENTS LIES AUX DIFFICULTES DE MISE EN OEUVRE ET AUX LIMITATIONS D'UTILISATIONS. CES DIFFICULTES NOUS ONT POUSSE A ELABORER UNE TROISIEME METHODE QUE NOUS AVONS APPELEE METHODE MIXTE. ELLE RASSEMBLE LA SIMPLICITE DE LA PREMIERE METHODE AVEC QUELQUES AVANTAGES DE LA METHODE CLASSIQUE EN REGIMES TRANSITOIRES. LES RESULTATS OBTENUS NOUS ONT MONTRES LES INTERETS DE CETTE METHODE QUI A DONNE DES RESULTATS PROCHES DE LA SOLUTION OPTIMALE OBTENUE PAR LA PROGRAMMATION DYNAMIQUE. LE CHOIX DE LA TRAJECTOIRE DE VITESSE PERMET DE REDUIRE LES PERTES DANS LA MACHINE, DE MINIMISER L'AMPLITUDE DU COUPLE DELIVRE PAR L'ACTIONNEUR, ET D'EVITER LES DISCONTINUITES DE COUPLE. UNE ETUDE EFFECTUEE SUR CETTE TRAJECTOIRE A DONNE UNE SOLUTION QUI CONSIDERE TOUS CES CONTRAINTES. AVEC CETTE ELABORATION LE REGULATEUR DE VITESSE DE TYPE PI NE DEVIENT PLUS SUFFISANT, C'EST POURQUOI NOUS AVONS DEFINI UN AUTRE TYPE DE CORRECTEUR QUI EST LE CORRECTEUR DE POURSUITE.
Vector Control Of Induction Machines
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Author : Benoît Robyns
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-02-06
Vector Control Of Induction Machines written by Benoît Robyns and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-02-06 with Technology & Engineering categories.
After a brief introduction to the main law of physics and fundamental concepts inherent in electromechanical conversion, Vector Control of Induction Machines introduces the standard mathematical models for induction machines – whichever rotor technology is used – as well as several squirrel-cage induction machine vector-control strategies. The use of causal ordering graphs allows systematization of the design stage, as well as standardization of the structure of control devices. Vector Control of Induction Machines suggests a unique approach aimed at reducing parameter sensitivity for vector controls based on a theoretical analysis of this sensitivity. This analysis naturally leads to the introduction of control strategies that are based on the combination of different controls with different robustness properties, through the use of fuzzy logic supervisors. Numerous applications and experiments confirm the validity of this simple solution, which is both reproducible and applicable to other complex systems. Vector Control of Induction Machines is written for researchers and postgraduate students in electrical engineering and motor drive design.
Commande Vectorielle De La Machine Asynchrone
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Author : Benoît Robyns
language : fr
Publisher: Editions TECHNIP
Release Date : 2007
Commande Vectorielle De La Machine Asynchrone written by Benoît Robyns and has been published by Editions TECHNIP this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Automatic control categories.
Des rappels et des conseils indispensables concernant la modélisation et la commande vectorielle de la machine asynchrone. Une théorie originale d'étude de sensibilité paramétrique est proposée.
Induction Motors Recent Advances New Perspectives And Applications
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Author : Adel El-Shahat
language : en
Publisher: BoD – Books on Demand
Release Date : 2023-09-13
Induction Motors Recent Advances New Perspectives And Applications written by Adel El-Shahat and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-13 with Technology & Engineering categories.
The induction motor is one of the most significant innovations in contemporary history and it officially kicked off the Second Industrial Revolution by significantly enhancing energy generation efficiency. Induction motors are utilized in a wide variety of applications in the modern industrial world. Motivated by the importance of recent advances, new perspectives, and applications of induction motors, this book presents research from distinguished experts in the field. It addresses recent advances in induction motors, optimal solutions in field-oriented control, the association of converters to induction motors, dynamic analysis, optimized design of synergetic control, fault-tolerant control, mathematical modeling, an adaptive system scheme for a sensorless drive, modeling, and simulation of a system with inter-turn faults, sensorless speed observer for industrial drives, and induction motor applications in electric vehicles. This book is useful for undergraduates, graduate students, researchers, professors, and field engineers due to its combination of both theoretical coverage and real-world application concepts.
Handbook Of Asynchronous Machines With Variable Speed
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Author : Hubert Razik
language : en
Publisher: John Wiley & Sons
Release Date : 2013-01-24
Handbook Of Asynchronous Machines With Variable Speed written by Hubert Razik and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-24 with Technology & Engineering categories.
This handbook deals with the asynchronous machine in its close environment. It was born from a reflection on this electromagnetic converter whose integration in industrial environments takes a wide part. Previously this type of motor operated at fixed speed, from now on it has been integrated more and more in processes at variable speed. For this reason it seemed useful, or necessary, to write a handbook on the various aspects from the motor in itself, via the control and while finishing by the diagnosis aspect. Indeed, an asynchronous motor is used nowadays in industry where variation speed and reliability are necessary. We must know permanently for the sensitive systems, the state of process and to inform the operator of the appearance of any anomaly and its severity.
2000 Ieee 31 Comhdh Il Bhliant Il Na Saineolaithe Ar Leictreonaic Chumhachta Imeachta Na Comhdh La
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Author :
language : en
Publisher:
Release Date : 2000
2000 Ieee 31 Comhdh Il Bhliant Il Na Saineolaithe Ar Leictreonaic Chumhachta Imeachta Na Comhdh La written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Power electronics categories.
Nonlinear Electromagnetic Systems
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Author : A. J. Moses
language : en
Publisher: IOS Press
Release Date : 1996
Nonlinear Electromagnetic Systems written by A. J. Moses and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Computers categories.
The book covers classical and practical approaches to electromagnetic field solutions in magnetic devices. The following topics are addressed: Advanced computional techniques; Intelligent computer aided design; Magnetic materials; Inverse problems; Magnetic sensors and transducers; Performance and optimisation of devices; Applications to electronic systems; Modelling of non-linear systems and other related topics. This volume presents 200 of the best articles presented at the International Symposium on Non-Linear Electromagnetic Systems (ISEM in Cardiff, Wales). The previous ISEM papers were published in the successful volume Advanced Computational and Design Techniques in Applied Electromagnetic Systems (by Elsevier).Main chapters in this book are: Electromagnetic Devices: Non-linearities at contacts and interfaces in semiconductor structures by R.H. Williams as key-note. Optimisation, Inverse and Biological Studies: Power loss testing; intelligent computation of optimization of metal cutting; grid methods for CFD and CEM. Magnetic Materials: Materials for circuit semilator applications; rotational magnetostriction. Computational Techniques and Modelling: Electromagnetic device design; soft magnetic materials; engineering application of artificial intelligence. Sensors and Non-destructive Testing: Eddy current nondestructive evaluation; nonlinear magnetoresistance; micro magnetic sensor. Electronic and Electrical Applications: Non-linear transistor parameters; superconducting magnets.
Commande Vectorielle Multialgorithmique De La Machine Asynchrone Avec Optimisation Par Supervision Floue
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Author : Frédérique Berthereau
language : fr
Publisher:
Release Date : 2001
Commande Vectorielle Multialgorithmique De La Machine Asynchrone Avec Optimisation Par Supervision Floue written by Frédérique Berthereau and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Le principal problème de la commande vectorielle du moteur asynchrone réside dans l'estimation du flux dans la machine. Comme il n'existe actuellement pas de solutions technologiques satisfaisantes pour mesurer le flux, celui-ci est généralement estimé à partir d'un modèle de la machine. L'estimation du flux est alors naturellement sensible aux incertitudes sur les paramètres électriques intervenant dans ce modèle. Ainsi, l'objectif principal des recherches réalisées est de proposer aux utilisateurs une solution de commande vectorielle robuste ne faisant pas appel à des exigences trop fortes en termes de connaissances paramétriques. Ceci est obtenu en supervisant plusieurs solutions de contrôle ayant des performances satisfaisantes, voire optimales mais dans des plages d'utilisation différentes. La combinaison des différents algorithmes de commandes est réalisée au moyen de la logique floue associée à une étude théorique de sensibilité.
Commande Vectorielle D Une Machine Asynchrone Doublement Aliment E Mada
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Author : Sejir Khojet El Khil
language : fr
Publisher:
Release Date : 2006
Commande Vectorielle D Une Machine Asynchrone Doublement Aliment E Mada written by Sejir Khojet El Khil and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Dans ce travail, l'auteur s'intéresse à la machine asynchrone à rotor bobiné alimentée par deux convertisseurs, l'un au stator et l'autre au rotor. La stratégie de commande développée est basée sur un contrôle vectoriel avec une orientation de flux rotorique, avec une loi de répartition de puissances actives entre stator et rotor. Cette loi de répartition de puissance donne lieu à une relation entre la pulsation des grandeurs statoriques et la pulsation des grandeurs rotoriques qui permet d'optimiser le dimensionnement de chaque convertisseur. Une commande sans capteur de vitesse ou de position est développée. La compensation du couple de charge permet d'assurer de bonnes performances avec une bonne robustesse vis-à-vis des variations paramétriques de la machine. L'étude de la reconfiguration du mode de fonctionnement de la MADA face à des défauts au niveau des onduleurs de tension, permet de dégager un avantage majeur de cette machine.
Inventaire Des Th Ses De Doctorat Soutenues Devant Les Universit S Fran Aises
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Author : France. Direction de l'information scientifique, des technologies nouvelles et des bibliothèques
language : fr
Publisher:
Release Date : 1995
Inventaire Des Th Ses De Doctorat Soutenues Devant Les Universit S Fran Aises written by France. Direction de l'information scientifique, des technologies nouvelles et des bibliothèques and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.