Performance Analysis Of Stochastic Flow Lines With Limited Material Supply
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Performance Analysis Of Stochastic Flow Lines With Limited Material Supply
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Author : Julia Mindlina
language : en
Publisher: BoD – Books on Demand
Release Date : 2019-03-14
Performance Analysis Of Stochastic Flow Lines With Limited Material Supply written by Julia Mindlina and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-14 with Business & Economics categories.
In order to improve the performance of production systems, companies consider the optimization of the flow line configuration. However, the material supply of the flow line exerts a strong influence on the output of the production system since material shortages impede the flow of workpieces through the flow line. Simultaneously, the configuration of the flow line determines the demand for material. Consequently, the mutual interdependence between the material supply and the flow line has to be considered in order to balance a sufficient material supply of the flow line avoiding material shortages as well as excessive material inventory and handling effort. We provide integrated approaches for the evaluation and optimization of stochastic flow lines with limited material supply. Thereby, we make use of several evaluation methods as Markov chain approaches, aggregation and decomposition approaches as well as linear programming. Further, we model open and closed queuing networks in continuous and discrete time. Hence, we present exact and approximate approaches that allow us to study the effects in several stochastic production systems with limited material supply.
Analyse Und Optimierung Stochastischer Flie Produktionssysteme Mit Begrenzter Materialverf Gbarkeit Unter Verwendung Von Methoden Des Maschinellen Lernens
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Author : Insa Südbeck
language : de
Publisher: BoD – Books on Demand
Release Date : 2023-01-26
Analyse Und Optimierung Stochastischer Flie Produktionssysteme Mit Begrenzter Materialverf Gbarkeit Unter Verwendung Von Methoden Des Maschinellen Lernens written by Insa Südbeck and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-26 with Business & Economics categories.
An den Stationen einer Fließlinie werden häufig sekundäre Materialien zur Bearbeitung eines Werkstücks benötigt. Da die Materialverfügbarkeit direkten Einfluss auf den Durchsatz des Gesamtsystems hat, sollten integrierte Modelle zur Konfiguration der Fließlinie und der Materialversorgung genutzt werden. Insa Südbeck entwickelt zwei Ansätze zur Durchsatzbewertung von stochastischen Fließproduktionssystemen mit begrenzter Materialverfügbarkeit unter Verwendung von Methoden des maschinellen Lernens. Diese Ansätze können zur schnellen Evaluation einzelner Konfigurationen in angepassten heuristischen Optimierungsverfahren verwendet werden. Dadurch können Verhaltensweisen der Systeme beobachtet und betriebswirtschaftliche Erkenntnisse abgeleitet werden.
Generalized Bounds For Convex Multistage Stochastic Programs
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Author : Daniel Kuhn
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-03-30
Generalized Bounds For Convex Multistage Stochastic Programs written by Daniel Kuhn 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 2006-03-30 with Mathematics categories.
This work was completed during my tenure as a scientific assistant and d- toral student at the Institute for Operations Research at the University of St. Gallen. During that time, I was involved in several industry projects in the field of power management, on the occasion of which I was repeatedly c- fronted with complex decision problems under uncertainty. Although usually hard to solve, I quickly learned to appreciate the benefit of stochastic progr- ming models and developed a strong interest in their theoretical properties. Motivated both by practical questions and theoretical concerns, I became p- ticularly interested in the art of finding tight bounds on the optimal value of a given model. The present work attempts to make a contribution to this important branch of stochastic optimization theory. In particular, it aims at extending some classical bounding methods to broader problem classes of practical relevance. This book was accepted as a doctoral thesis by the University of St. Gallen in June 2004.1 am particularly indebted to Prof. Dr. Karl Frauendorfer for - pervising my work. I am grateful for his kind support in many respects and the generous freedom I received to pursue my own ideas in research. My gratitude also goes to Prof. Dr. Georg Pflug, who agreed to co-chair the dissertation committee. With pleasure I express my appreciation for his encouragement and continuing interest in my work.
Planning Stability In Material Requirements Planning Systems
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Author : Gerald Heisig
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Planning Stability In Material Requirements Planning Systems written by Gerald Heisig 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 2012-12-06 with Business & Economics categories.
In logistics systems, the issue of planning stability has attracted increased attention and interest in recent years. This is mainly due to an increasing integration of planning systems both within and across companies in supply chain management. The propagation of adjustments in planning systems first acquired wide attention when MRP systems were employed as standard planning tools for material coordination. Within a rolling horizon framework the MRP application produced considerable planning instability which origins from uncertainties in the planner's exogenous environment as well as from endogenous sources. This book presents an analytical investigation that gives deep insight into the influence of different kind of inventory control rules on the stability of material planning systems under stochastic demand in a rolling horizon environment.
Industrial Assembly
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Author : Shimon Y. Nof
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Industrial Assembly written by Shimon Y. Nof 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 2012-12-06 with Business & Economics categories.
Industrial Assembly is a rapidly changing field with significant importance in production. This book is the first of its kind to combine technology, design, methods, and planning and control models of assembly operations and systems. With the increasing importance of assembly in industry and of simultaneous engineering approaches, this timely publication provides: comprehensive coverage of technological, engineering, and management aspects of this field; multi-disciplinary approaches to rationalization of assembly operations and systems; explanation of qualitative models, information technologies, and design techniques, which have been practised effectively in industrial assembly; as well as theoretical foundations and emerging trends that shape the future of assembly.
Topics In Dynamic Model Analysis
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Author : Mario Faliva
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-01-20
Topics In Dynamic Model Analysis written by Mario Faliva 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 2006-01-20 with Business & Economics categories.
Classical econometrics - which plunges its roots in economic theory with simultaneous equations models (SEM) as offshoots - and time series econometrics - which stems from economic data with vector autoregr- sive (VAR) models as offsprings - scour, like the Janus's facing heads, the flowing of economic variables so as to bring to the fore their autonomous and non-autonomous dynamics. It is up to the so-called final form of a dy namic SEM, on the one hand, and to the so-called representation theorems of (unit-root) VAR models, on the other, to provide informative closed form expressions for the trajectories, or time paths, of the economic vari ables of interest. Should we look at the issues just put forward from a mathematical standpoint, the emblematic models of both classical and time series econometrics would turn out to be difference equation systems with ad hoc characteristics, whose solutions are attained via a final form or a represen tation theorem approach. The final form solution - algebraic technicalities apart - arises in the wake of classical difference equation theory, display ing besides a transitory autonomous component, an exogenous one along with a stochastic nuisance term. This follows from a properly defined ma trix function inversion admitting a Taylor expansion in the lag operator be cause of the assumptions regarding the roots of a determinant equation pe culiar to SEM specifications.
Strategic Safety Stocks In Supply Chains
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Author : Stefan Minner
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Strategic Safety Stocks In Supply Chains written by Stefan Minner 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 2012-12-06 with Business & Economics categories.
Increasing customer requirements, product variety, and market competition demand for service and cost improvements by model based inventory control in supply chains. The book presents approaches for safety stock determination in manufacturing and logistics networks. Most of the existing literature provides methods for very specific types of supply networks. The approach presented in this book follows a material flow philosophy that allows for several extensions of the basic models and therefore offers a wide applicability within decision support systems. Models for several types of problems and network structures are presented and analyzed to develop efficient optimization algorithms and heuristics.
Stochastic Models Of Production Inventory Systems
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Author :
language : en
Publisher:
Release Date : 2004
Stochastic Models Of Production Inventory Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Inventory control categories.
Stochastic Optimization Techniques
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Author : Kurt Marti
language : en
Publisher: Springer
Release Date : 2002
Stochastic Optimization Techniques written by Kurt Marti and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Business & Economics categories.
Optimization problems arising in practice mostly contain several random parameters. Hence, in order to get robust optimal solutions with respect to random parameter variations, the available statistical information about the random data should be considered already at the planning phase. Thus, the original problem with random coefficients must be replaced by an appropriate deterministic substitute problem. This proceedings volume of the 4th GAMM/IFIP-Workshop on "Stochastic Optimization: Numerical Methods and Technical Applications" held June 27-29, 2000 at the Federal Armed Forces University Munich, Neubiberg/Munich contains new methods for the approximation and numerical solution of deterministic substitute problems, especially the handling of mean value and probability functions as objective and/or constraint functions. Moreover, many concrete applications from engineering and operations research can be found in this book.
Collaborative Planning In Supply Chains
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Author : Gregor Dudek
language : en
Publisher: Springer Science & Business Media
Release Date : 2004
Collaborative Planning In Supply Chains written by Gregor Dudek 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 2004 with Business & Economics categories.
The book deals with collaborative planning, an approach to supply chain planning which aims to coordinate planning tasks of independent supply chain partners while respecting their local decision authority. The major contribution of this work is to provide a process model concerned with the decision making and negotiation aspects of collaborative planning. Taking technological means for data exchange as a given, it sketches a detailed picture of a collaborative planning process at the medium-term level of master planning, assuming that mathematical programming models are used by all partners. Building on the planning process, it indicates how financial outcomes and partner incentives are affected by the negotiations of supply quantities between buyers and suppliers, and demonstrates how supply contract terms can be adapted in order to establish a win-win situation for all partners.