Ordonnancement d'ateliers en présence d'opérateurs

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (131 download)

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Book Synopsis Ordonnancement d'ateliers en présence d'opérateurs by : Imene Benkalai

Download or read book Ordonnancement d'ateliers en présence d'opérateurs written by Imene Benkalai and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: La théorie de l'ordonnancement a, depuis son avènement, suscité un grand intérêt de la part de chercheurs, de scientifiques, mais aussi d'industriels. Ceci est dû à la grande variété de problèmes réels pouvant être modélisés sous forme de problèmes d'ordonnancement. En effet, ce domaine peut trouver des applications aussi bien en gestion d'horaires qu'en informatique, ou encore en environnement de production. Les études relativement récentes dans le domaine ont vu l'introduction du paramètre humain et sa considération dans la prise de décision portant sur les ressources matérielles d'un problème d'ordonnancement. La présente thèse traite des problèmes d'ordonnancement d'ateliers avec opérateurs. Dans lesdits ateliers, des tâches devront être exécutées par plusieurs machines selon un ordre qui dépend du type d'atelier. Pour ce faire, lesdites tâches utilisent simultanément un opérateur et une machine. Le nombre d'opérateurs ainsi que leurs placements, i.e. leurs affectations aux machines, dépendra du modèle d'affectation choisi. Tout d'abord, nous considérons un problème de flow shop de permutation avec temps de réglages. Nous supposons que le nombre d'opérateurs est égal au nombre de machines et qu'ils s'occupent des opérations de réglage. Nous utilisons pour la résolution la métaheuristique Migrating Birds Optimization. Nous apportons des améliorations à l'algorithme de base et en présentons quatre versions, ce qui nous permet d'obtenir des résultats de relativement bonne qualité avec des configurations différentes qui apportent de la flexibilité lors de la prise de décision. Par la suite, nous étudions des problèmes où le nombre d'opérateurs est inférieur au nombre de machines. Nous étudions trois types d'ateliers : les flow shops, les job shops et les open shops. Nous commençerons d'abord par l'étude de complexité de nos problèmes. Nous présentons d'abord des cas résolubles en temps polynomial et exhibons les méthodes permettant de les résoudre. Pour les cas difficiles, nous proposons des méthodes de résolution ainsi que des bornes inférieures. Les résultats montrent que les méthodes proposées donnent de bons résultats, souvent proches des bornes théoriques. Since its advent, scheduling theory has generated great interest amidst researchers, scientists but also industrialists. This is due to the great diversity of real problems that can be modeled as scheduling problems. Indeed, this field can find applications in timetabling, computer science but also in production systems. Recent studies in the field have introduced the human resources and considered them in decision making processes involving the material resources of scheduling problems. This thesis deals with scheduling shop problems with operators. In the aforementioned shops, tasks are to be processed according to orderings that depend on the type of shop. In order to do so, the tasks need simultaneously an operator and a machine. The number of operators and their positions in the shop, i.e. their assignements to machines, depends on the chosen assignment mode. First, we consider a permutation flow shop problem with setup times. We assume that the number of operators is equal to the number of machines and that they handle setup operations. We use the metaheuristic called the Migrating Birds Optimization to solve this problem. We improve the basic algorithm and present four versions, which allows us to obtain results of good quality with different structures, which provides flexibility in decision making. Next, we study problems where the number of operators is less than the number of machines. We study three types of shops : flow shops, job shops and open shops.We first start by studying the complexity of our problems. Then we present well-solvable cases as well as their solution methods. For some N P-hard cases, we propose solution methods and a lower bound. The results show that the proposed methods provide good results, often close to the theoretical lower bounds.

RAIRO.

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Publisher :
ISBN 13 :
Total Pages : 1166 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis RAIRO. by :

Download or read book RAIRO. written by and published by . This book was released on 1999 with total page 1166 pages. Available in PDF, EPUB and Kindle. Book excerpt: International journal devoted to pure and applied research on the use of scientific methods and information processing in business and industry. Articles may be in English or French.

FiWi Access Networks

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Publisher : Cambridge University Press
ISBN 13 : 1139504665
Total Pages : 276 pages
Book Rating : 4.1/5 (395 download)

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Book Synopsis FiWi Access Networks by : Martin Maier

Download or read book FiWi Access Networks written by Martin Maier and published by Cambridge University Press. This book was released on 2011-12-15 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: The evolution of broadband access networks toward bimodal fiber-wireless (FiWi) access networks, described in this book, may be viewed as the endgame of broadband access. After discussing the economic impact of broadband access and current worldwide deployment statistics, all the major legacy wireline and wireless broadband access technologies are reviewed. State-of-the-art GPON and EPON fiber access networks are described, including their migration to next-generation systems such as OCDMA and OFDMA PONs. The latest developments of wireless access networks are covered, including VHT WLAN, Gigabit WiMAX, LTE and WMN. The advantages of FiWi access networks are demonstrated by applying powerful network coding, heterogeneous optical and wireless protection, hierarchical frame aggregation, hybrid routing and QoS continuity techniques across the optical-wireless interface. The book is an essential reference for anyone working on optical fiber access networks, wireless access networks or converged FiWi systems.

Arctic Shipping

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Publisher : Routledge
ISBN 13 : 1351037447
Total Pages : 217 pages
Book Rating : 4.3/5 (51 download)

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Book Synopsis Arctic Shipping by : Frédéric Lasserre

Download or read book Arctic Shipping written by Frédéric Lasserre and published by Routledge. This book was released on 2019-09-05 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book considers both the present state of Arctic shipping and possible future trends with reference to the various sectors of maritime transportation: cruise tourism, container traffic and bulk shipping. Ports are analysed as tools that support the strategies of coastal states to foster the development of resource extraction, enhance the attractiveness of Arctic shipping lanes and enable the control of maritime activities through coast guard deployment. The aim of this book is to draw a picture of the trends of Arctic shipping. How is traffic evolving in Canada’s Arctic, or along the Northern Sea Route? Are there significant differences between bulk and container shipping segments when considering the Arctic market? How are the ports and the hinterland developing and what are the strategies behind those? How is the legal framework shaping the evolution of maritime transportation? The contributors to this book consider all of these questions, and more, as they map out the prospects for Arctic shipping and analyse in detail the development of Arctic shipping as a result of multi-variable interactions. This book will be key reading for industry professionals and post-graduate students alike.

Algerian Sketches

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Publisher : Polity
ISBN 13 : 0745646956
Total Pages : 398 pages
Book Rating : 4.7/5 (456 download)

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Book Synopsis Algerian Sketches by : Pierre Bourdieu

Download or read book Algerian Sketches written by Pierre Bourdieu and published by Polity. This book was released on 2013-11-04 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the late 1950s, like tens of thousands of young men of his generation, Pierre Bourdieu, having recently passed the agrégation in philosophy, found himself immersed in the Algerian war. Motivated by an impulse that, as he himself says, ‘was civic rather than political’, nothing seemed more important to him than to understand the Algerian situation and provide the elements that would enable others to come to an informed judgement about it. In extremely tough conditions and along with a small group of students, Bourdieu undertook a series of studies across an Algeria that was tightly patrolled by the army, leading him to discover the shocking reality of the resettlement camps and to analyse the mechanisms of destruction of Algerian society of which they were emblematic. To achieve the objectives he had set himself, Bourdieu had to carry out a genuine intellectual conversion, acquiring an ethnographic understanding of Algerian society, learning sociological analysis at a breakneck pace and inventing new instruments - both theoretical and empirical - that would enable him to understand the relations of domination specific to colonialism. These new tools also enabled him to analyse the nature of the crisis that the war had both produced and manifested. This unique volume brings together the first texts written by Bourdieu in the midst of the Algerian conflict, as well as later writings and interviews in which he returns to the topic of Algeria and the decisive role it played in the development of his work.

Analysis and Optimization of Systems

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Publisher :
ISBN 13 : 9780387167299
Total Pages : 0 pages
Book Rating : 4.1/5 (672 download)

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Book Synopsis Analysis and Optimization of Systems by : Alain Bensoussan

Download or read book Analysis and Optimization of Systems written by Alain Bensoussan and published by . This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Social Structures of the Economy

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Publisher : John Wiley & Sons
ISBN 13 : 0745681654
Total Pages : 456 pages
Book Rating : 4.7/5 (456 download)

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Book Synopsis The Social Structures of the Economy by : Pierre Bourdieu

Download or read book The Social Structures of the Economy written by Pierre Bourdieu and published by John Wiley & Sons. This book was released on 2014-03-10 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Much orthodox economic theory is based on assumptions which are treated as self-evident: supply and demand are regarded as independent entities, the individual is assumed to be a rational agent who knows his interests and how to make decisions corresponding to them, and so on. But one has only to examine an economic transaction closely, as Pierre Bourdieu does here for the buying and selling of houses, to see that these abstract assumptions cannot explain what happens in reality. As Bourdieu shows, the market is constructed by the state, which can decide, for example, whether to promote private housing or collective provision. And the individuals involved in the transaction are immersed in symbolic constructions which constitute, in a strong sense, the value of houses, neighbourhoods and towns. The abstract and illusory nature of the assumptions of orthodox economic theory has been criticised by some economists, but Bourdieu argues that we must go further. Supply, demand, the market and even the buyer and seller are products of a process of social construction, and so-called ‘economic' processes can be adequately described only by calling on sociological methods. Instead of seeing the two disciplines in antagonistic terms, it is time to recognize that sociology and economics are in fact part of a single discipline, the object of which is the analysis of social facts, of which economic transactions are in the end merely one aspect. This brilliant study by the most original sociologist of post-war France will be essential reading for students and scholars of sociology, economics, anthropology and related disciplines.

Nondifferentiable Optimization

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Publisher :
ISBN 13 : 9780444110084
Total Pages : 178 pages
Book Rating : 4.1/5 (1 download)

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Book Synopsis Nondifferentiable Optimization by : Philip Wolfe

Download or read book Nondifferentiable Optimization written by Philip Wolfe and published by . This book was released on 1975 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optimal Shape Design for Elliptic Systems

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Publisher : Springer Science & Business Media
ISBN 13 : 3642877222
Total Pages : 179 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Optimal Shape Design for Elliptic Systems by : O. Pironneau

Download or read book Optimal Shape Design for Elliptic Systems written by O. Pironneau and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of optimal shape design can be arrived at by asking the following question: "What is the best shape for a physical system?" This book is an applications-oriented study of such physical systems; in particular, those which can be described by an elliptic partial differential equation and where the shape is found by the minimum of a single criterion function. There are many problems of this type in high-technology industries. In fact, most numerical simulations of physical systems are solved not to gain better understanding of the phenomena but to obtain better control and design. Problems of this type are described in Chapter 2. Traditionally, optimal shape design has been treated as a branch of the calculus of variations and more specifically of optimal control. This subject interfaces with no less than four fields: optimization, optimal control, partial differential equations (PDEs), and their numerical solutions-this is the most difficult aspect of the subject. Each of these fields is reviewed briefly: PDEs (Chapter 1), optimization (Chapter 4), optimal control (Chapter 5), and numerical methods (Chapters 1 and 4).

Ultra Wide Band Antennas

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Publisher : John Wiley & Sons
ISBN 13 : 1118586573
Total Pages : 217 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Ultra Wide Band Antennas by : Xavier Begaud

Download or read book Ultra Wide Band Antennas written by Xavier Begaud and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultra Wide Band Technology (UWB) has reached a level of maturity that allows us to offer wireless links with either high or low data rates. These wireless links are frequently associated with a location capability for which ultimate accuracy varies with the inverse of the frequency bandwidth. Using time or frequency domain waveforms, they are currently the subject of international standards facilitating their commercial implementation. Drawing up a complete state of the art, Ultra Wide Band Antennas is aimed at students, engineers and researchers and presents a summary of internationally recognized studies.

Product Life-Cycle Management

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Publisher : John Wiley & Sons
ISBN 13 : 1118587529
Total Pages : 389 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Product Life-Cycle Management by : Max Giordano

Download or read book Product Life-Cycle Management written by Max Giordano and published by John Wiley & Sons. This book was released on 2012-12-17 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive view of the most recent major international research in the field of tolerancing, and is an excellent resource for anyone interested in Computer Aided Tolerating. It is organized into 4 parts. Part 1 focuses on the more general problems of tolerance analysis and synthesis, for tolerancing in mechanical design and manufacturing processes. Part 2 specifically highlights the simulation of assembly with defects, and the influence of tolerances on the quality of the assembly. Part 3 deals with measurement aspects, and quality control throughout the life cycle. Different measurement technologies and methods for estimating uncertainty are considered. In Part 4, different aspects of tolerancing and their interactions are explored, from the definition of functional requirement to measurement processes in a PLM approach.

Optimization of Distributed Parameter Structures

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Publisher : Kluwer Academic Publishers
ISBN 13 :
Total Pages : 796 pages
Book Rating : 4.:/5 (45 download)

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Book Synopsis Optimization of Distributed Parameter Structures by : Edward J. Haug

Download or read book Optimization of Distributed Parameter Structures written by Edward J. Haug and published by Kluwer Academic Publishers. This book was released on 1981 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Good Governance and the European Union

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Publisher : Intersentia nv
ISBN 13 : 9050953816
Total Pages : 290 pages
Book Rating : 4.0/5 (59 download)

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Book Synopsis Good Governance and the European Union by : Deirdre Curtin

Download or read book Good Governance and the European Union written by Deirdre Curtin and published by Intersentia nv. This book was released on 2005 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book approaches the notion of good governance from three different angles. First it establishes whether it is a meaningful notion at all by taking a closer look at the parameters of good governance. Secondly, the authors look at the institutional translation of the criteria of good governance. In a third dimension, the concept may be analysed in relation to a number of substantive issues.

Custom and Conflict in Africa

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Publisher : Oxford : B. Blackwell
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Custom and Conflict in Africa by : Max Gluckman

Download or read book Custom and Conflict in Africa written by Max Gluckman and published by Oxford : B. Blackwell. This book was released on 1963 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:

MIMO

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Publisher : Academic Press
ISBN 13 : 0123821959
Total Pages : 385 pages
Book Rating : 4.1/5 (238 download)

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Book Synopsis MIMO by : Alain Sibille

Download or read book MIMO written by Alain Sibille and published by Academic Press. This book was released on 2010-12-03 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foreword from Arogyaswami Paulraj, Professor (Emeritus), Stanford University (USA) - The first book to show how MIMO principles can be implemented in today's mobile broadband networks and components - Explains and solves some of the practical difficulties that arise in designing and implementing MIMO systems - Both theory and implementation sections are written in the context of the most recent standards: IEEE 802.11n (WiFi); IEEE 802.16 (WIMAX); 4G networks (3GPP/3GPP2, LTE)

Concurrency Control and Recovery in Database Systems

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Publisher : Addison Wesley Publishing Company
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.4/5 (91 download)

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Book Synopsis Concurrency Control and Recovery in Database Systems by : Philip A. Bernstein

Download or read book Concurrency Control and Recovery in Database Systems written by Philip A. Bernstein and published by Addison Wesley Publishing Company. This book was released on 1987 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Pervasive Mobile and Ambient Wireless Communications

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Publisher : Springer Science & Business Media
ISBN 13 : 144712314X
Total Pages : 696 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Pervasive Mobile and Ambient Wireless Communications by : Roberto Verdone

Download or read book Pervasive Mobile and Ambient Wireless Communications written by Roberto Verdone and published by Springer Science & Business Media. This book was released on 2012-01-02 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reporting the findings of COST 2100, a major European intergovernmental project, this volume offers system designers a good source of guidelines based on channel characterization and measurement-based modeling, as well as worthwhile ideas for future research.