Download or read book Commande robuste et adaptative d une suspension active written by Aurelian Constantinescu and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Adaptive and Robust Active Vibration Control written by Ioan Doré Landau and published by Springer. This book was released on 2016-09-15 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book approaches the design of active vibration control systems from the perspective of today’s ideas of computer control. It formulates the various design problems encountered in the active management of vibration as control problems and searches for the most appropriate tools to solve them. The experimental validation of the solutions proposed on relevant tests benches is also addressed. To promote the widespread acceptance of these techniques, the presentation eliminates unnecessary theoretical developments (which can be found elsewhere) and focuses on algorithms and their use. The solutions proposed cannot be fully understood and creatively exploited without a clear understanding of the basic concepts and methods, so these are considered in depth. The focus is on enhancing motivations, algorithm presentation and experimental evaluation. MATLAB®routines, Simulink® diagrams and bench-test data are available for download and encourage easy assimilation of the experimental and exemplary material. Three major problems are addressed in the book: active damping to improve the performance of passive absorbers; adaptive feedback attenuation of single and multiple tonal vibrations; and feedforward and feedback attenuation of broad band vibrations. Adaptive and Robust Active Vibration Control will interest practising engineers and help them to acquire new concepts and techniques with good practical validation. It can be used as the basis for a course for graduate students in mechanical, mechatronics, industrial electronics, aerospace and naval engineering. Readers working in active noise control will also discover techniques with a high degree of cross-over potential for use in their field.

Download or read book Adaptive Control written by Ioan Doré Landau and published by Springer Science & Business Media. This book was released on 2011-06-06 with total page 595 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adaptive Control (second edition) shows how a desired level of system performance can be maintained automatically and in real time, even when process or disturbance parameters are unknown and variable. It is a coherent exposition of the many aspects of this field, setting out the problems to be addressed and moving on to solutions, their practical significance and their application. Discrete-time aspects of adaptive control are emphasized to reflect the importance of digital computers in the application of the ideas presented. The second edition is thoroughly revised to throw light on recent developments in theory and applications with new chapters on: multimodel adaptive control with switching, direct and indirect adaptive regulation and adaptive feedforward disturbance compensation. Many algorithms are newly presented in MATLAB® m-file format to facilitate their employment in real systems. Classroom-tested slides for instructors to use in teaching this material are also now provided. All of this supplementary electronic material can be downloaded from fill in URL. The core material is also up-dated and re-edited to keep its perspective in line with modern ideas and more closely to associate algorithms with their applications giving the reader a solid grounding in: synthesis and analysis of parameter adaptation algorithms, recursive plant model identification in open and closed loop, robust digital control for adaptive control; • robust parameter adaptation algorithms, practical considerations and applications, including flexible transmission systems, active vibration control and broadband disturbance rejection and a supplementary introduction on hot dip galvanizing and a phosphate drying furnace. Control researchers and applied mathematicians will find Adaptive Control of significant and enduring interest and its use of example and application will appeal to practitioners working with unknown- and variable-parameter plant. Praise for the first edition: ...well written, interesting and easy to follow, so that it constitutes a valuable addition to the monographies in adaptive control for discrete-time linear systems... suitable (at least in part) for use in graduate courses in adaptive control.

Download or read book Advances in Automatic Control written by Mihail Voicu and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the academic year 2002-2003, the Faculty of Automatic Control and Computer Engineering of Ia~i (Romania), and its Departments of Automatic Control and Industrial Informatics and of Computer Engineering respectively, celebrated 25 years from the establishment of the specialization named Automatic Control and Computer Engineering within the framework of the former Faculty of Electrical Engineering of Ia~i, and, at the same time, 40 years since the first courses on Automatic Control and Computers respectively, were introduced in the curricula of the former specializations of Electromechanical Engineering and Electrical Power Engineering at the already mentioned Faculty of Electrical Engineering. The reader interested to know some important moments ofour evolution during the last five decades is invited to see the Addendum ofthis volume, where a short history is presented. And, to highlight once more the nice coincidences, it must be noted here that in 2003 our Technical University "Gheorghe Asachi" of Ia~i celebrated 190 years from the emergence of the first cadastral engineering degree course in Ia~i (thanks to the endeavor ofGheorghe Asachi), which is today considered to be the beginningofthe engineering higher education in Romania. Generally speaking, an anniversary is a celebration meant to mark special events ofthe past, with festivities to be performed solemnly and publicly according to a specific ritual.

Download or read book Commande robuste avec mod le de r f rence written by Elmoustapha Abdellahi and published by . This book was released on 2001 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Advanced Control for Vehicle Active Suspension Systems written by Weichao Sun and published by Springer. This book was released on 2019-03-13 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on most recent theoretical findings on control issues for active suspension systems. The authors first introduce the theoretical background of active suspension control, then present constrained H∞ control approaches of active suspension systems in the entire frequency domain, focusing on the state feedback and dynamic output feedback controller in the finite frequency domain which people are most sensitive to. The book also contains nonlinear constrained tracking control via terminal sliding-mode control and adaptive robust theory, presenting controller design of active suspensions as well as the reliability control of active suspension systems. The target audience primarily comprises research experts in control theory, but the book may also be beneficial for graduate students alike.

Download or read book MODELISATION ET COMMANDE ROBUSTE EN FORCE D UN ACTIONNEUR HYDRAULIQUE CONFRONTE D UN ENVIRONNEMENT INCERTAIN written by LAURENT.. LAVAL and published by . This book was released on 1997 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: CE MEMOIRE PORTE ESSENTIELLEMENT SUR LA PROBLEMATIQUE DE COMMANDE EN FORCE D'UN ACTIONNEUR HYDRAULIQUE EN PRESENCE DE DYNAMIQUES NEGLIGEES, DE PERTURBATIONS ET DE VARIATIONS COMPORTEMENTALES DE L'ENVIRONNEMENT. APRES UNE BREVE DESCRIPTION DU DISPOSITIF EXPERIMENTAL, UNE MODELISATION NON LINEAIRE DE LA SERVOVALVE, DE L'ACTIONNEUR ET DE SON ENVIRONNEMENT EST ETABLIE EN FONCTION DE PHENOMENES OBSERVES EXPERIMENTALEMENT. LES PARAMETRES DE CE MODELE NON LINEAIRE SONT ENSUITE QUANTIFIES A PARTIR DE PROCEDURES DEFINIES DANS LEURS DETAILS (NOTAMMENT UN ALGORITHME D'ESTIMATION DES PARAMETRES DU MODELE DE TUSTIN RELATIF A LA FORCE DE FROTTEMENT). LA VALIDITE DE LA MODELISATION EST ALORS EVALUEE AU TRAVERS DE COMPARAISONS DE PLUSIEURS COMPORTEMENTS EXPERIMENTAUX ET SIMULES DU SYSTEME. SUITE A CETTE VALIDATION, DES MODELES LINEAIRES DE PLUSIEURS ORDRES POUR LA COMMANDE SONT PROPOSES ET LEUR REALISME EST EVALUE D'UN POINT DE VUE FREQUENTIEL (NOTAMMENT, PAR COMPARAISON AVEC UN MODELE ARMAX IDENTIFIE EXPERIMENTALEMENT). DEUX STRATEGIES DE COMMANDE EN EFFORT DE L'ACTIONNEUR SONT ENSUITE ETUDIEES ET MISES EN OEUVRE. LA PREMIERE EST FONDEE SUR LA SYNTHESE DE COMMANDES LINEAIRES A PARAMETRES FIXES SUIVANT L'APPROCHE H DU PROBLEME DE STABILISATION ROBUSTE (APPROCHE H FREQUENTIELLE PUIS APPROCHE H DANS L'ESPACE D'ETAT - PROBLEME A SENSIBILITE MIXTE). LA SECONDE EST FONDEE SUR LA COMMANDE ADAPTATIVE DIRECTE AVEC MODELE DE REFERENCE ET ALGORITHMES D'ADAPTATION ROBUSTES. DERIVEE DE CETTE DERNIERE ETUDE, DEUX SCHEMAS DE COMMANDES ADAPTATIVES DIRECTES, PERMETTANT D'AMELIORER LE COMPORTEMENT DU SYSTEME LORS DE LA PHASE TRANSITOIRE D'ADAPTATION DES PARAMETRES, SONT ALORS PROPOSES ET MISES EN OEUVRES. LE PREMIER SCHEMA EST FONDE SUR L'INTRODUCTION DE CONTRAINTES SUR L'EVOLUTION DE LA COMMANDE, DEFINIES PAR RAPPORT AU COMPORTEMENT DE CERTAINS PARAMETRES ESTIMES. LE SECOND SCHEMA EST FONDE, QUANT A LUI, SUR LA COMBINAISON D'UNE COMMANDE ADAPTATIVE AVEC UNE COMMANDE H A PARAMETRES FIXES, STIGMATISEE PAR UNE BOUCLE AUXILIAIRE DE COMMANDE REACTIVE A L'ERREUR DE SORTIE. IN FINE, CE MEMOIRE COMPORTE L'EXPRESSION DE NOS CONCLUSIONS ET DE PROLONGATIONS POTENTIELLES DE NOS TRAVAUX.

Download or read book Sur la commande robuste de suspensions automobiles en vue du contr le global de ch ssis written by Alessandro Zin and published by . This book was released on 2005 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le contexte de la thèse est l'automatique dans le domaine automobile et plus précisément de la dynamique du véhicule, du contrôle de suspensions actives en vue du Contrôle Global de Châssis. Ce travail fait suite, d'une part à la thèse de Ramirez-Mendoza (1997) sur la modélisation et la commande de véhicule automobile, porta principalement sur le contrôle du comportement latéral du véhicule par le système de direction, et, d'autre part, à la thèse de Sammier (2001) sur la modélisation et la commande de suspension de véhicules automobiles, portant sur le contrôle du confort vertical et de la tenue de route du véhicule vis-à-vis des sollicitations verticales provoquées par le profil de sol. L'objectif est, ici, premièrement celui d'étudier l'influence qu'ont les suspensions sur la dynamique latérale du véhicule, et en deuxième lieu de les piloter pour contrôler (ou plutôt améliorer) en plus le comportement latéral du véhicule (faisant ainsi ce que l'on appelle du Contrôle Global de Châssis). La technique de commande sur laquelle nous nous appuierons est la commande Hinf appliquée aux systèmes LTI et LPV, qui est aujourd'hui un axe de recherche prédominant notamment parmi les techniques dites "robustes". Ce mémoire de thèse se décompose en trois chapitres: - le chapitre 1 expose d'abord les outils théoriques de la synthèse Hjnf appliquée aux systèmes L TI et LPV, puis les méthodes d'obtention des LFT et. enfin les algorithmes de calcul de la valeur singulière mu permettant l'analyse de la robustesse en stabilité et en performance ; - le chapitre 2 présente les modèles de suspension quart de véhicule et de véhicule complet utilisés pour la synthèse de contrôleurs et pour leur analyse, ainsi que les spécifications de performance du confort vibratoire humain, de la tenue de route du véhicule et du compromis confort/sécurité ; - le chapitre 3 est consacré à la stratégie de contrôle "global" des suspensions. Celui ci est divisé en deux parties : la première est consacrée à la synthèse par retour dynamique de sortie d'un régulateur dont l'objectif est d'améliorer les prestations de la suspension vis à-vis des sollicitations verticales du profil de sol ; la seconde est dédiée à la formulation d'une stratégie d'anticipation dont le but est, d'un part celui de limiter les déplacements de la caisse lors d'une accélération ou décélération du véhicule, et, d'autre part, de choisir la répartition anti-roulis du châssis. Le chapitre se termine avec la proposition d'une stratégie de pilotage de la réparation anti-roulis et du compromis confort/sécurité. Pour chaque chapitre. une bibliographie indépendante est présentée. Le lecteur adroit avec les outils théoriques du chapitre 1 peut passer directement à la lecture des deux autres chapitres. La lecture du chapitre 2 est nécessaire pour comprendre les notations employées dans les chapitres suivants et il explique comment interpréter les graphes reportés dans le chapitre 3.

Download or read book Adaptive Control of Vehicle Active Suspension Systems written by Myoungho Sunwoo and published by . This book was released on 1990 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Approche LPV pour la commande robuste de la dynamique des v hicules written by Anh Lam Do and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail concerne le développement de méthodes de commandes avancées pour les suspensions automobiles afin d'améliorer la tenue de route des véhicules et le confort des passagers, tout en respectant les contraintes technologiques liées aux actionneurs de suspension (passivité, non-linéarités, limite structurelle). Dans la 1ère partie, nous proposons deux schémas de commande par approche LPV polytopique (Linéaire à Paramètre Variant) et Stabilisation Forte (Strong Stabilization) avec optimisation par algorithme génétique pour résoudre les conflits confort/tenue de route et confort/débattement de suspension. Dans la 2ème partie, pour résoudre le problème complet de commande de suspensions semi-actives, nous développons d'abord une stratégie générique pour les systèmes LPV généraux soumis à la saturation des actionneurs et à des contraintes d'état. Le problème est étudié sous la forme de résolution d'inégalités linéaires matricielles (LMI) qui permettent de synthétiser un contrôleur LPV et un gain anti wind-up garantissant la stabilité et la performance du système en boucle fermée. Ensuite, cette stratégie est appliquée au cas de la commande des suspensions semi-actives. Les méthodes proposées sont validées par une évaluation basée sur un critère industriel et des simulations effectuées sur un modèle non-linéaire de quart de véhicule.

Download or read book Commande hybride d un syst me suspension active written by Bassel Shaer and published by . This book was released on 2017 with total page 182 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.

Download or read book Adaptive Control written by Yoan D. Landau and published by CRC Press. This book was released on 1979-06-01 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dynamique Non lin aire 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:

Download or read book Acoustics and Vibration of Mechanical Structures AVMS 2017 written by Nicolae Herisanu and published by Springer. This book was released on 2017-12-21 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of papers presented at Acoustics and Vibration of Mechanical Structures 2017 – AVMS 2017 – highlighting the current trends and state-of-the-art developments in the field. It covers a broad range of topics, such as noise and vibration control, noise and vibration generation and propagation, the effects of noise and vibration, condition monitoring and vibration testing, modeling, prediction and simulation of noise and vibration, environmental and occupational noise and vibration, noise and vibration attenuators, as well as biomechanics and bioacoustics. The book also presents analytical, numerical and experimental techniques for evaluating linear and non-linear noise and vibration problems (including strong nonlinearity). It is primarily intended for academics, researchers and professionals, as well as PhD students in various fields of the acoustics and vibration of mechanical structures.

Download or read book System Identification and Control Design written by Ioan Doré Landau and published by . This book was released on 1990 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Noise and Vibration Control Engineering written by István L. Vér and published by John Wiley & Sons. This book was released on 2005-11-11 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noise and Vibration Control Engineering: Principles and Applications, Second Edition is the updated revision of the classic reference containing the most important noise control design information in a single volume of manageable size. Specific content updates include completely revised material on noise and vibration standards, updated information on active noise/vibration control, and the applications of these topics to heating, ventilating, and air conditioning.