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Author: Maurice Clerc
Publisher: John Wiley & Sons
ISBN: 111861397X
Category : Computers
Languages : en
Pages : 182
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Book Description
This is the first book devoted entirely to Particle Swarm Optimization (PSO), which is a non-specific algorithm, similar to evolutionary algorithms, such as taboo search and ant colonies. Since its original development in 1995, PSO has mainly been applied to continuous-discrete heterogeneous strongly non-linear numerical optimization and it is thus used almost everywhere in the world. Its convergence rate also makes it a preferred tool in dynamic optimization.
Author: Maurice Clerc
Publisher: John Wiley & Sons
ISBN: 111861397X
Category : Computers
Languages : en
Pages : 182
Get Book Here
Book Description
This is the first book devoted entirely to Particle Swarm Optimization (PSO), which is a non-specific algorithm, similar to evolutionary algorithms, such as taboo search and ant colonies. Since its original development in 1995, PSO has mainly been applied to continuous-discrete heterogeneous strongly non-linear numerical optimization and it is thus used almost everywhere in the world. Its convergence rate also makes it a preferred tool in dynamic optimization.
Author: Maurice Clerc
Publisher:
ISBN: 9782746209916
Category :
Languages : fr
Pages : 265
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Book Description
L'Optimisation par Essaims Particulaires (OEP) ou Particle Swarm Optimization (PSO) est une heuristique non spécifique, au même titre que, par exemple, les algorithmes évolutionnaires, la recherche avec tabous ou les colonies de fourmis. Son domaine de prédilection depuis sa naissance en 1995 est l'optimisation numérique hétérogène continue-discrète fortement non linéaire. À ce titre elle est utilisée un peu partout dans le monde. Sa rapidité de convergence en fait aussi un outil privilégié en optimisation dynamique. Premier ouvrage en français entièrement consacré à l'OEP, L'optimisation par essaims particulaires explique les principes de base, en particulier les concepts de particule, de lien d'information, de mémoire et de coopération. Partant d'une version paramétrique très simple mais déjà efficace, codable en quelques lignes, il montre comment l'enrichir progressivement pour aboutir à une version entièrement adaptative. Tous les programmes sources sont soit inclus dans l'ouvrage (pour les plus courts) soit librement disponibles en téléchargement.
Author: Maurice Clerc
Publisher: John Wiley & Sons
ISBN: 1119612365
Category : Computers
Languages : en
Pages : 186
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Book Description
Almost every month, a new optimization algorithm is proposed, often accompanied by the claim that it is superior to all those that came before it. However, this claim is generally based on the algorithm's performance on a specific set of test cases, which are not necessarily representative of the types of problems the algorithm will face in real life. This book presents the theoretical analysis and practical methods (along with source codes) necessary to estimate the difficulty of problems in a test set, as well as to build bespoke test sets consisting of problems with varied difficulties. The book formally establishes a typology of optimization problems, from which a reliable test set can be deduced. At the same time, it highlights how classic test sets are skewed in favor of different classes of problems, and how, as a result, optimizers that have performed well on test problems may perform poorly in real life scenarios.
Author: Yujun Zheng
Publisher: Springer
ISBN: 9811325863
Category : Technology & Engineering
Languages : en
Pages : 225
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Book Description
This book introduces readers to the background, general framework, main operators, and other basic characteristics of biogeography-based optimization (BBO), which is an emerging branch of bio-inspired computation. In particular, the book presents the authors’ recent work on improved variants of BBO, hybridization of BBO with other algorithms, and the application of BBO to a variety of domains including transportation, image processing, and neural network learning. The content will help to advance research into and application of not only BBO but also the whole field of bio-inspired computation. The algorithms and applications are organized in a step-by-step manner and clearly described with the help of pseudo-codes and flowcharts. The readers will learn not only the basic concepts of BBO but also how to apply and adapt the algorithms to the engineering optimization problems they actually encounter.
Author: Patrick Siarry
Publisher: Springer
ISBN: 331945403X
Category : Computers
Languages : en
Pages : 501
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Book Description
Metaheuristics exhibit desirable properties like simplicity, easy parallelizability, and ready applicability to different types of optimization problems. After a comprehensive introduction to the field, the contributed chapters in this book include explanations of the main metaheuristics techniques, including simulated annealing, tabu search, evolutionary algorithms, artificial ants, and particle swarms, followed by chapters that demonstrate their applications to problems such as multiobjective optimization, logistics, vehicle routing, and air traffic management. The authors are leading researchers in this domain, with considerable teaching and applications experience, and the book will be of value to industrial practitioners, graduate students, and research academics.
Author: Patrick Siarry
Publisher: John Wiley & Sons
ISBN: 1118623673
Category : Technology & Engineering
Languages : en
Pages : 277
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Book Description
This book describes the optimization methods most commonly encountered in signal and image processing: artificial evolution and Parisian approach; wavelets and fractals; information criteria; training and quadratic programming; Bayesian formalism; probabilistic modeling; Markovian approach; hidden Markov models; and metaheuristics (genetic algorithms, ant colony algorithms, cross-entropy, particle swarm optimization, estimation of distribution algorithms, and artificial immune systems).
Author: Jiuping Xu
Publisher: CRC Press
ISBN: 1439872368
Category : Business & Economics
Languages : en
Pages : 445
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Book Description
Under intense scrutiny for the last few decades, Multiple Objective Decision Making (MODM) has been useful for dealing with the multiple-criteria decisions and planning problems associated with many important applications in fields including management science, engineering design, and transportation. Rough set theory has also proved to be an effect
Author: Abbas El Dor
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
La résolution satisfaisante d'un problème d'optimisation difficile, qui comporte un grand nombre de solutions sous-optimales, justifie souvent le recours à une métaheuristique puissante. La majorité des algorithmes utilisés pour résoudre ces problèmes d'optimisation sont les métaheuristiques à population. Parmi celles-ci, nous intéressons à l'Optimisation par Essaim Particulaire (OEP, ou PSO en anglais) qui est apparue en 1995. PSO s'inspire de la dynamique d'animaux se déplaçant en groupes compacts (essaims d'abeilles, vols groupés d'oiseaux, bancs de poissons). Les particules d'un même essaim communiquent entre elles tout au long de la recherche pour construire une solution au problème posé, et ce en s'appuyant sur leur expérience collective. L'algorithme PSO, qui est simple à comprendre, à programmer et à utiliser, se révèle particulièrement efficace pour les problèmes d'optimisation à variables continues. Cependant, comme toutes les métaheuristiques, PSO possède des inconvénients, qui rebutent encore certains utilisateurs. Le problème de convergence prématurée, qui peut conduire les algorithmes de ce type à stagner dans un optimum local, est un de ces inconvénients. L'objectif de cette thèse est de proposer des mécanismes, incorporables à PSO, qui permettent de remédier à cet inconvénient et d'améliorer les performances et l'efficacité de PSO. Nous proposons dans cette thèse deux algorithmes, nommés PSO-2S et DEPSO-2S, pour remédier au problème de la convergence prématurée. Ces algorithmes utilisent des idées innovantes et se caractérisent par de nouvelles stratégies d'initialisation dans plusieurs zones, afin d'assurer une bonne couverture de l'espace de recherche par les particules. Toujours dans le cadre de l'amélioration de PSO, nous avons élaboré une nouvelle topologie de voisinage, nommée Dcluster, qui organise le réseau de communication entre les particules. Les résultats obtenus sur un jeu de fonctions de test montrent l'efficacité des stratégies mises en oeuvre par les différents algorithmes proposés. Enfin, PSO-2S est appliqué à des problèmes pratiques, en segmentation d'images et en électronique.
Author: Philippe Feyel
Publisher: John Wiley & Sons
ISBN: 1119340969
Category : Technology & Engineering
Languages : en
Pages : 454
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Book Description
In the automotive industry, a Control Engineer must design a unique control law that is then tested and validated on a single prototype with a level of reliability high enough to to meet a number of complex specifications on various systems. In order to do this, the Engineer uses an experimental iterative process (Trial and Error phase) which relies heavily on his or her experience. This book looks to optimise the methods for synthesising servo controllers ny making them more direct and thus quicker to design. This is achieved by calculating a final controller to directly tackle the high-end system specs.
Author: Maurice Clerc
Publisher: John Wiley & Sons
ISBN: 1119136458
Category : Computers
Languages : en
Pages : 316
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Book Description
The performance of an algorithm used depends on the GNA. This book focuses on the comparison of optimizers, it defines a stress-outcome approach which can be derived all the classic criteria (median, average, etc.) and other more sophisticated. Source-codes used for the examples are also presented, this allows a reflection on the "superfluous chance," succinctly explaining why and how the stochastic aspect of optimization could be avoided in some cases.
