Reha Uzsoy's Books

Production Planning with Capacitated Resources and Congestion

By: Hubert Missbauer,Reha Uzsoy

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Production Planning with Capacitated Resources and Congestion

By: Hubert Missbauer,Reha Uzsoy

This book presents a comprehensive overview of recent developments in production planning. The monograph begins with an introductory chapter reviewing the need for these production planning models, that operate by determining time-phased releases of work into the facility or supply chain, relating these to the Manufacturing Planning and Control (MPC) and Advanced Planning and Scheduling (APS) frameworks, that form the basis of most academic research and industrial practice. The extensive body of work on Workload Control is also placed in this context, and proves the need for improved models with a discussion of the difficulties, these approaches encounter. The next two chapters present a detailed review of the state of the art in optimization models based on exogenous planned lead times, and examines the cases where these can take both integer and fractional values. The difficulties arising in estimating planned lead times are consistent with factory behavior which are highlighted, noting that many of these lead to non-convex optimization models. Attempts to address these difficulties by iterative multimodel approaches, that combine simulation and mathematical programming, are also discussed in detail. The next three chapters of the volume address the set of techniques developed using clearing functions, which represent the expected output of a resource in a planning period, as a function of the expected workload of the resource, during that period. The chapters on this subject propose a basic optimization model for multiple products, discuss the difficulties of this model and some possible solutions. It also reviews prior work, and discuss a number of alternative formulations of the clearing function concept with their respective advantages and disadvantages. Applications to lot sizing decisions and a number of other specific problems are also described. This volume concludes with an assessment of the state of the art described in the volume, and several directions for future work.

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Page Count

289

Publisher

Springer Nature

Published Date

ISBN 10

107160354X

ISBN 13

9781071603543

Decomposition Methods for Complex Factory Scheduling Problems

By: Irfan M. Ovacik,Reha Uzsoy

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Decomposition Methods for Complex Factory Scheduling Problems

By: Irfan M. Ovacik,Reha Uzsoy

The factory scheduling problem, that of allocating machines to competing jobs in manufacturing facilities to optimize or at least improve system performance, is encountered in many different manufacturing environments. Given the competitive pressures faced by many companies in today's rapidly changing global markets, improved factory scheduling should contribute to a flrm's success. However, even though an extensive body of research on scheduling models has been in existence for at least the last three decades, most of the techniques currently in use in industry are relatively simplistic, and have not made use of this body of knowledge. In this book we describe a systematic, long-term research effort aimed at developing effective scheduling algorithms for complex manufacturing facilities. We focus on a speciflc industrial context, that of semiconductor manufacturing, and try to combine knowledge of the physical production system with the methods and results of scheduling research to develop effective approximate solution procedures for these problems. The class of methods we suggest, decomposition methods, constitute a broad family of heuristic approaches to large, NP-hard scheduling problems which can be applied in other environments in addition to those studied in this book.

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Page Count

217

Publisher

Springer Science & Business Media

Published Date

ISBN 10

1461563291

ISBN 13

9781461563297

Decomposition Methods for Complex Factory Scheduling Problems

By: Irfan M. Ovacik,Reha Uzsoy

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Decomposition Methods for Complex Factory Scheduling Problems

By: Irfan M. Ovacik,Reha Uzsoy

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Page Count

217

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Springer Science & Business Media

Published Date

ISBN 10

1461563291

ISBN 13

9781461563297

Planning Production and Inventories in the Extended Enterprise

A State of the Art Handbook, Volume 1

By: Karl G. Kempf,Pınar Keskinocak,Reha Uzsoy

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Planning Production and Inventories in the Extended Enterprise

A State of the Art Handbook, Volume 1

By: Karl G. Kempf,Pınar Keskinocak,Reha Uzsoy

In two volumes, Planning Production and Inventories in the Extended Enterprise: A State of the Art Handbook examines production planning across the extended enterprise against a backdrop of important gaps between theory and practice. The early chapters describe the multifaceted nature of production planning problems and reveal many of the core complexities. The middle chapters describe recent research on theoretical techniques to manage these complexities. Accounts of production planning system currently in use in various industries are included in the later chapters. Throughout the two volumes there are suggestions on promising directions for future work focused on closing the gaps.

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Page Count

652

Publisher

Springer Science & Business Media

Published Date

ISBN 10

1441964851

ISBN 13

9781441964854

Book's by Reha Uzsoy

Production Planning with Capacitated Resources and Congestion

Production Planning with Capacitated Resources and Congestion

Decomposition Methods for Complex Factory Scheduling Problems

Decomposition Methods for Complex Factory Scheduling Problems

Decomposition Methods for Complex Factory Scheduling Problems

Decomposition Methods for Complex Factory Scheduling Problems

Planning Production and Inventories in the Extended Enterprise

Planning Production and Inventories in the Extended Enterprise

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