Flexibilit Dans Les Syst Mes De Production
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Flexible Manufacturing Systems Recent Developments
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Author : A. Raouf
language : en
Publisher: Elsevier
Release Date : 1995-02-09
Flexible Manufacturing Systems Recent Developments written by A. Raouf and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-02-09 with Technology & Engineering categories.
Flexible Manufacturing Systems (FMS) involve substituting machines capable of performing a wide and redefinable variety of tasks for machines dedicated to the performance of specific tasks. FMS can also be programmed to handle new products, thus extending the machines' life cycles. Thus they represent a change from "standardized goods produced by customized machines" to "customized goods produced by standardized machines". This volume contains new and updated material in this field, and will be of great interest to researchers, managers and students concerned with problems related to flexible manufacturing systems.
Crit Res De Flexibilit Dans Les Syst Mes De Production
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Author : Javier Pereira
language : fr
Publisher:
Release Date : 2019
Crit Res De Flexibilit Dans Les Syst Mes De Production written by Javier Pereira and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Dans cette thèse, la flexibilité de deux types de systèmes de gestion de la production est analysée : les systèmes de contrôle en flux poussé et en flux tiré. Pour aboutir à cet objectif, une définition et un cadre d'analyse de la flexibilité d'un système sont bâtis. Une conception dynamique de la flexibilité conduit ainsi à retenir trois dimensions d'évaluation : le degré, l'effort et le temps d'adaptation d'un système aux changements de son contexte. A travers l'application de l'approche postulée, certains problèmes dans lesquels la flexibilité est définie et évaluée sont mieux caractérises. La deuxième partie de la thèse comporte deux phases. La première est constituée de la spécification du modèle de gestion de la production à étudier et de l'analyse de la structure et de la dynamique d'un système de production contrôle selon les modes de gestion en flux poussé et en flux tiré. Dans la deuxième phase, plusieurs facteurs de la production et de la structure dynamique sont identifiés ce qui permet l'évaluation et l'analyse des dimensions de la flexibilité. En même temps, les performances sont évaluées et les liens avec la flexibilité sont établis. Une des constatations de l'étude est que les meilleures valeurs des performances ne se trouvent pas à flexibilité maximale du système. En outre, l'analyse montre que le niveau de flexibilité doit être défini comme une fonction des valeurs désirées des performances ce qui revient à déplacer la perspective d'une situation purement opérationnelle à une optique stratégique.
Design Of Flexible Production Systems
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Author : Tullio Tolio
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-12-11
Design Of Flexible Production Systems written by Tullio Tolio 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 2008-12-11 with Technology & Engineering categories.
In the last decade, the production of mechanical components to be assembled in final products produced in high volumes (e.g. cars, mopeds, industrial vehicles, etc.) has undergone deep changes due to the overall modifications in the way companies compete. Companies must consider competitive factors such as short lead times, tight product tolerances, frequent market changes and cost reduction. Anyway, companies often have to define production objectives as trade-offs among these critical factors since it can be difficult to improve all of them. Even if system flexibility is often considered a fundamental requirement for firms, it is not always a desirable characteristic of a system because it requires relevant investment cost which can jeopardize the profitability of the firm. Dedicated systems are not able to adapt to changes of the product characteristics while flexible systems offer more flexibility than what is needed, thus increasing investment and operative costs. Production contexts characterized by mid to high demand volume of well identified families of products in continuous evolution do not require the highest level of flexibility; therefore, manufacturing system flexibility must be rationalized and it is necessary to find out the best trade-off between productivity and flexibility by designing manufacturing systems endowed with the right level of flexibility required by the production problem. This new class of production systems can be named Focused Flexibility Manufacturing Systems-FFMSs. The flexibility degree in FFMSs is related to their ability to cope with volume, mix and technological changes, and it must take into account both present and future changes. The required level of system flexibility impacts on the architecture of the system and the explicit design of flexibility often leads to hybrid systems, i.e. automated integrated systems in which parts can be processed by both general purpose and dedicated machines. This is a key issue of FFMSs and results from the matching of flexibility and productivity that respectively characterize FMSs and Dedicated Manufacturing Systems (DMSs). The market share of the EU in the machine tool sector is 44%; the introduction of focused flexibility would be particularly important for machine tool builders whose competitive advantage is based on the ability of customizing their systems on the basis of needs of their customers. In fact, even if current production contexts frequently present situations which would fit well with the FFMS approach, tradition and know-how of machine tool builders play a crucial role. Firms often agree with the focused flexibility vision, nevertheless they decide not to pay the risk and efforts related to the design of this new system architecture. This is due also to the lack of well-structured design approaches which can help machine tool builders to configure innovative systems. Therefore, the FFMS topic is studied through the book chapters following a shared mission: "To define methodologies and tools to design production systems with a minimum level of flexibility needed to face, during their lifecycle, the product and process evolution both in the technological and demand aspects. The goal is to find out the optimal trade-off between flexibility and productivity". The book framework follows the architecture which has been developed to address the FFMS Design problem. This architecture is both broad and detailed, since it pays attention to all the relevant levels in a firm hierarchy which are involved in the system design. Moreover, the architecture is innovative because it models both the point of view of the machine tool builder and the point of view of the system user. The architecture starts analyzing Manufacturing Strategy issues and generating the possible demand scenario to be faced. Technological aspects play a key role while solving process plan problems for the products in the part family. Strategic and technological data becomes input when a machine tool builder performs system configuration. The resulting system configurations are possible solutions that a system user considers when planning its system capacity. All the steps of the architecture are deeply studied, developing methods and tools to address each subproblem. Particular attention is paid to the methodologies adopted to face the different subproblems: mathematical programming, stochastic programming, simulation techniques and inverse kinematics have been used. The whole architecture provides a general approach to implement the right degree of flexibility and it allows to study how different aspects and decisions taken in a firm impact on each other. The work presented in the book is innovative because it gives links among different research fields, such as Manufacturing Strategy, Process Plan, System Design, Capacity Planning and Performance Evaluation; moreover, it helps to formalize and rationalize a critical area such as manufacturing system flexibility. The addressed problem is relevant at an academic level but, also, at an industrial level. A great deal of industrial sectors need to address the problem of designing systems with the right degree of flexibility; for instance, automotive, white goods, electrical and electronic goods industries, etc. Attention to industrial issues is confirmed by empirical studies and real case analyses which are presented within the book chapters.
Flexibilit Dans Les Syst Mes De Production
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Author : Javier Pereira
language : fr
Publisher:
Release Date : 1997
Flexibilit Dans Les Syst Mes De Production written by Javier Pereira 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.
La Flexibilit Des Syst Mes De Production
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Author : Jean-Marie Proth
language : fr
Publisher:
Release Date : 1982
La Flexibilit Des Syst Mes De Production written by Jean-Marie Proth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Flexible manufacturing systems categories.
La Flexibilite Des Systemes De Production
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Author : Jean-Marie Proth
language : fr
Publisher:
Release Date : 1982
La Flexibilite Des Systemes De Production written by Jean-Marie Proth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Flexible manufacturing systems categories.
Flexibility Measurement In Production Systems
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Author : Sven Rogalski
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-05-12
Flexibility Measurement In Production Systems written by Sven Rogalski 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 2011-05-12 with Technology & Engineering categories.
The requirements for production systems are constantly changing as a result of changing competitive conditions. This poses a challenge for manufacturers in the various branches of industry and creates an ever-increasing need for flexibility. With this as a background, this book explores the current developments and trends as well as their impact on today’s production systems. It also compares known strategies, concepts and methods used to achieve production flexibility. Similarly, the practical knowledge and current research will be drawn upon and subjected to a sound scientific analysis, through which the technical and organizational flexibility ranges can be measured in their application in a production system. The convenience and usefulness of this concept for manufacturers is substantiated by its implementation in a software tool called ecoFLEX and its practical application, based on extensive examples. This illustrates how flexibility flaws can be quickly identified, classified and properly disposed of using ecoFLEX. This tool helps to close the gap between ERP / PPS systems and digital factory planning tools.
Flexible Manufacturing
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Author : John E. Lenz
language : en
Publisher:
Release Date : 1989
Flexible Manufacturing written by John E. Lenz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Technology & Engineering categories.
Providing the basis for a formal flexible manufacturing design procedure, effective color graphics animation of simulation, and an economoc model for inverstment decisions, this important reference takes a fresh look at flexible manufacturing, going beyond computerization and mechanization to develop a unique technology.
Le Mod Le De Production Flexible
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Author : Pierre Bardelli
language : fr
Publisher: FeniXX
Release Date : 1996-01-01T00:00:00+01:00
Le Mod Le De Production Flexible written by Pierre Bardelli and has been published by FeniXX this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-01-01T00:00:00+01:00 with Business & Economics categories.
C’est grâce aux suggestions soumises par les ouvriers que neuf progrès sur dix ont été obtenus, disait Taylor en 1912. Quels sont les ingrédients nouveaux susceptibles de disqualifier le modèle taylorien-fordien, comme modèle de production économiquement rationnelle ? Sommes-nous à l’aube d’un changement radical de fonctionnement du modèle productif ? Autant d'interrogations auxquelles Pierre Bardelli se propose de répondre.
Mod Les Math Matiques Pour Une Gestion Efficace Des Ateliers Flexibles
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Author : Marino Widmer
language : fr
Publisher: EPFL Press
Release Date : 1991-01-01
Mod Les Math Matiques Pour Une Gestion Efficace Des Ateliers Flexibles written by Marino Widmer and has been published by EPFL Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-01-01 with Flexible manufacturing systems categories.