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A Multi Level Multi Item Capacitated Lot Sizing Problem Mlclsp Model
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Book Synopsis Multi-Level Capacitated Lotsizing with Setup Carryover by : Lisbeth Buschkühl
Download or read book Multi-Level Capacitated Lotsizing with Setup Carryover written by Lisbeth Buschkühl and published by Springer. This book was released on 2019-02-19 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lotsizing problems are found in every company, which produces various items on resources with scarce capacities. In general, the objective is to find production plans, which meet demand with the resources` given capacities and at minimal costs. However, there is a great variety of company-specific lotsizing problems due to the complexity of the underlying production processes. Both standard MRP-systems and modern Advanced Planning Systems fail to provide adequate solutions. Instead, they most often compute production plans, which are not feasible in practice. In this book new lotsizing models are presented for multi-stage production systems with general product structures, dynamic demand, setup times and lead times. They are extended to cover production on parallel machines. An iterative solution procedure is presented, which generates feasible production plans within seconds of computation time. Potential readership includes scholars of supply chain management and production planning, interested students in these areas as well as practitioners involved in production planning.
Book Synopsis Multi-Stage Simultaneous Lot-Sizing and Scheduling by : Florian Seeanner
Download or read book Multi-Stage Simultaneous Lot-Sizing and Scheduling written by Florian Seeanner and published by Springer Science & Business Media. This book was released on 2013-05-13 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to a varying product demand (changing product mix) and different production speeds, bottlenecks may shift between the stages. In that case, a simultaneous lot-sizing and scheduling of these stages is recommendable. Hence, an improved version of the General Lot-Sizing and Scheduling Problem for Multiple production Stages (GLSPMS) was developed. Moreover, several reformulation techniques were applied to this model to solve it exactly. Besides, a new meta-heuristic which combines the principles of Variable Neighborhood Decomposition Search (VNDS) and Exchange was implemented to find good solutions, even for a real-world problem case. Finally, further model extensions, e.g., for scarce setup resources, were proposed.
Book Synopsis Capacitated Lot Sizing Problems in Process Industries by : Ravi Ramya
Download or read book Capacitated Lot Sizing Problems in Process Industries written by Ravi Ramya and published by Springer. This book was released on 2019-01-04 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines the Capacitated Lot Sizing Problem (CLSP) in process industries. In almost all process industries, there are situations where products have short/long setup times, and the setup of the product and its subsequent production are carried over, across consecutive periods. The setup of a product is carried over across more than one successive period in the case of products having long setup times. A product having short setup has its setup time less than the capacity of the period in which it is setup. The setup is immediately followed by its production of the product and it may also be carried over, across successive time period(s). Many process industries require production of a product to occur immediately after its setup (without the presence of idle time between the setup and production of the product), and they also require the product to be continuously produced without any interruption. This book considers a single-machine, single-level and multiple-item CLSP problem. This book introduces the Capacitated Lot Sizing Problem with Production Carryover and Setup Crossover across periods (CLSP-PCSC). Mathematical models are proposed which are all encompassing that they can handle continuous manufacturing (as in process industries), and also situations where the setup costs and holding costs are product dependent and time independent/time dependent, with possible backorders, and with other appropriate adaptations. Comprehensive heuristics are proposed based on these mathematical models to solve the CLSP-PCSC. The performance of the proposed models and heuristics are evaluated using problem instances of various sizes. This book also covers mathematical models developed for the Capacitated Lot Sizing Problem with Production Carryover and Setup Crossover across periods, and with Sequence-Dependent Setup Times and Setup Costs (CLSP-SD-PCSC). These models allow the presence of backorders and also address real-life situations present in process industries such as production of a product starting immediately after its setup and its uninterrupted production carryover across periods, along with the presence of short/long setup times. Heuristics proposed for the CLSP-PCSC can be extended to address the CLSP problem with sequence dependent setup costs and setup times. All the models and heuristics proposed in this book address some real-life considerations present in process industries.
Book Synopsis Design and Modeling of Mechanical Systems - II by : Mnaouar Chouchane
Download or read book Design and Modeling of Mechanical Systems - II written by Mnaouar Chouchane and published by Springer. This book was released on 2015-03-24 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a collection of original peer-reviewed contributions presented at the 6th International Congress on Design and Modeling of Mechanical Systems (CMSM’2015), held in Hammamet, Tunisia, from the 23rd to the 25th of March 2015. It reports on both recent research findings and innovative industrial applications in the fields of mechatronics and robotics, dynamics of mechanical systems, fluid structure interaction and vibroacoustics, modeling and analysis of materials and structures, and design and manufacturing of mechanical systems. Since its first edition in 2005, the CMSM Congress has been held every two years with the aim of bringing together specialists from universities and industry to present the state-of-the-art in research and applications, discuss the most recent findings and exchange and develop expertise in the field of design and modeling of mechanical systems. The CMSM Congress is jointly organized by three Tunisian research laboratories: the Mechanical Engineering Laboratory of the National Engineering School of Monastir; the Mechanical Laboratory of Sousse, part of the National Engineering School of Sousse; and the Mechanical, Modeling and Manufacturing Laboratory at the National Engineering School of Sfax.
Book Synopsis Dynamic lot sizing problems with stochastic production output by : Michael Kirste
Download or read book Dynamic lot sizing problems with stochastic production output written by Michael Kirste and published by BoD – Books on Demand. This book was released on 2017-06-23 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the real world, production systems are affected by external and internal uncertainties. Stochastic demand - an external uncertainty - arises mainly due to forecast errors and unknown behavior of customers in future. Internal uncertainties occur in situations where random yield, random production capacity, or stochastic processing times affect the productivity of a manufacturing system. The resulting stochastic production output is especially present in industries with modern and complex technologies as the semiconductor industry. This thesis provides model formulations and solution methods for capacitated dynamic lot sizing problems with stochastic demand and stochastic production output that can be used by practitioners within Manufacturing Resource Planning Systems (MRP), Capacitated Production Planning Systems (CPPS), and Advanced Planning Systems (APS). In all models, backordered demand is controlled with service levels. Numerical studies compare the solution methods and give managerial implications in presence of stochastic production output. This book addresses practitioners, consultants, and developers as well as students, lecturers, and researchers with focus on lot sizing, production planning, and supply chain management.
Book Synopsis Supply Chain Sustainability and Raw Material Management: Concepts and Processes by : Farahani, Reza Zanjirani
Download or read book Supply Chain Sustainability and Raw Material Management: Concepts and Processes written by Farahani, Reza Zanjirani and published by IGI Global. This book was released on 2011-12-31 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many organizations find supply chain management an essential prerequisite to building a sustainable competitive edge for their services or products. While interest in SCM is enormous, lack of theoretical frameworks and real world applications often characterizes research in the field, and effective management of the supply chain remains elusive. Supply Chain Sustainability and Raw Material Management: Concepts and Processes is a comprehensive and up-to-date resource for operations researchers, management scientists, industrial engineers, and other business practitioners and specialists looking for systemic and advanced discussions of supply chain management. By presenting qualitative concepts, quantitative models, and case studies, this book is a coherent guide to creating long-term and sustainable performance for organizations who want to compete in the global market.
Book Synopsis Variable Neighborhood Search by : Angelo Sifaleras
Download or read book Variable Neighborhood Search written by Angelo Sifaleras and published by Springer. This book was released on 2019-03-13 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed post-conference proceedings of the 6th International Conference on Variable Neighborhood Search, ICVNS 2018, held in Sithonia, Greece, in October 2018. ICVNS 2018 received 49 submissions of which 23 full papers were carefully reviewed and selected. VNS is a metaheuristic based on systematic changes in the neighborhood structure within a search for solving optimization problems and related tasks. The main goal of ICVNS 2018 was to provide a stimulating environment in which researchers coming from various scientific fields could share and discuss their knowledge, expertise, and ideas related to the VNS metaheuristic and its applications.
Book Synopsis Optimization of Logistics by : Alice Yalaoui
Download or read book Optimization of Logistics written by Alice Yalaoui and published by John Wiley & Sons. This book was released on 2012-12-13 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to help engineers, Masters students and young researchers to understand and gain a general knowledge of logistic systems optimization problems and techniques, such as system design, layout, stock management, quality management, lot-sizing or scheduling. It summarizes the evaluation and optimization methods used to solve the most frequent problems. In particular, the authors also emphasize some recent and interesting scientific developments, as well as presenting some industrial applications and some solved instances from real-life cases. Performance evaluation tools (Petri nets, the Markov process, discrete event simulation, etc.) and optimization techniques (branch-and-bound, dynamic programming, genetic algorithms, ant colony optimization, etc.) are presented first. Then, new optimization methods are presented to solve systems design problems, layout problems and buffer-sizing optimization. Forecasting methods, inventory optimization, packing problems, lot-sizing quality management and scheduling are presented with examples in the final chapters.
Book Synopsis Collaborative Planning in Supply Chains by : Gregor Dudek
Download or read book Collaborative Planning in Supply Chains written by Gregor Dudek and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: In light ofthe vast number ofpublications on Supply Chain Management (SCM) it is not easy to extract those which will have a great impact both on theory and practice. The dissertation of Gregor Dudek certainly is one such valuable source because it tackles inter-organizational collaboration in a novel and effective man ner. SCM is concemed with the coordination of material, information and financial flows within and across often legally separated organizational units. lt has gained great attention both in industry and research as an important area for improving competitiveness. A Supply Chain (SC) can be regarded as a hybrid between a market relationship and a hierarchical organization and as such requires specific tools to support the efficient planning and execution of the order fulfillment proc ess. Software vendors have developed so called Advanced Planning Systems (APS) to overcome deficiencies of traditional Enterprise Resource Planning systems and to better support the planning functions needed in SCM. However, APS are based on the principles of hierarchical planning which are well-suited for intra organizational SCs but fall short when non-hierarchical collaboration between partners (companies) is needed. This is particularly true when a buyer and a sup plier have to align their medium term order and supply plans.
Book Synopsis Operations Research Proceedings 2010 by : Bo Hu
Download or read book Operations Research Proceedings 2010 written by Bo Hu and published by Springer Science & Business Media. This book was released on 2011-06-24 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains selected papers from the symposium "Operations Research 2010" which was held from September 1-3, 2010 at the "Universität der Bundeswehr München", Germany. The international conference, which also serves as the annual meeting of the German Operations Research Society (GOR), attracted more than 600 participants from more than thirty countries. The general theme "Mastering Complexity" focusses on a natural component of the globalization process. Financial markets, traffic systems, network topologies and, last but not least, energy resource management, all contain complex behaviour and economic interdependencies which necessitate a scientific solution. Operations Research is one of the key instruments to model, simulate and analyze such systems. In the process of developing optimal solutions, suitable heuristics and efficient procedures are some of the challenges which are discussed in this volume.
Download or read book Logistik Management written by Stefan Voß and published by Springer Science & Business Media. This book was released on 2009-08-21 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Die Globalisierung und Virtualisierung von Geschäftsbeziehungen vergrößert die Bedeutung und die Komplexität logistischer Herausforderungen. Das Management logistischer Netzwerke wird zu einem wesentlichen Wettbewerbsfaktor für Unternehmen. Das Buch wie die gleichnamige Tagung (September 2009) haben zum Ziel, den internationalen Gedankenaustausch und die Diskussion zwischen Wissenschaft und Praxis gezielt zu fördern, damit Strategien, Methoden und Werkzeuge entwickelt werden können, die es ermöglichen, den wachsenden Anforderungen gerecht zu werden.
Book Synopsis Production and Inventory Management with Substitutions by : J. Christian Lang
Download or read book Production and Inventory Management with Substitutions written by J. Christian Lang and published by Springer Science & Business Media. This book was released on 2009-11-25 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantitativeapproachesforsolvingproductionplanningandinventorymanagement problems in industry have gained growing importance in the past years. Due to the increasinguse of AdvancedPlanningSystems, a widespreadpracticalapplicationof the sophisticated optimization models and algorithms developed by the Production Management and Operations Research community now seem within reach. The possibility that productscan be replaced by certain substitute productsexists in various application areas of production planning and inventory management. Substitutions can be useful for a number of reasons, among others to circ- vent production and supply bottlenecks and disruptions, increase the service level, reduce setup costs and times, and lower inventories and thereby decrease ca- tal lockup. Considering the current trend in industry towards shorter product life cycles and greater product variety, the importance of substitutions appears likely to grow. Closely related to substitutions are ?exible bills-of-materials and recipes in multi-level production systems. However, so far, the aspect of substitutions has not attracted much attention in academic literature. Existing lot-sizing models matching complex requirements of industrial optimization problems (e.g., constrained capacities, sequence-dependent setups, multiple resources) such as the Capacitated Lot-Sizing Problem with Sequence-Dependent Setups (CLSD) and the General Lot-Sizing and Scheduling Problem for Multiple Production Stages (GLSPMS) do not feature in substitution options.
Book Synopsis Multi-item Mulit-attribute Outsourcing in Manufacturing Supply Networks by : Seeronk Prichanont
Download or read book Multi-item Mulit-attribute Outsourcing in Manufacturing Supply Networks written by Seeronk Prichanont and published by . This book was released on 2002 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beyond Manufacturing Resource Planning (MRP II) by : Andreas Drexl
Download or read book Beyond Manufacturing Resource Planning (MRP II) written by Andreas Drexl and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: The logic of Manufacturing Resource Planning (MRP II) is im plemented in most commercial production planning software tools and is commonly accepted by practitioners. However, these peo ple are not satisfied with production planning and complain about long lead times, high work-in-process, and backlogging. As many researchers have pointed out, the reason for these shortcomings is inherent to the methods that are used. The research community is thus eager to find more sophisticated approaches. This book is an attempt to compile some state-of-the-art work in the field of production planning research. It includes mate rial that somehow dominates the existing MRP II concept. 15 ar ticles written by 36 authors from 10 countries cover many aspects related to MRP II. All papers went through a single-blind refere eing process before they were selected for being published in this book. When we received papers for this issue, we discovered that MRP II is a topic about which not only management scientists show interest. As the list of authors proves, industrial engineers, computer scientists, and-operations researchers from academia as well as practitioners have contributed to this book. This, we hope, makes the book of value for a broad audience. We thank all authors who submitted papers. And, we are in debted to Dr. Werner Muller from Springer for his support in this book project.
Book Synopsis Applications of Evolutionary Computation by : Cecilia Di Chio
Download or read book Applications of Evolutionary Computation written by Cecilia Di Chio and published by Springer Science & Business Media. This book was released on 2010-03-25 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the International Workshops on the Applications of Evolutionary Computation, EvoApplications 2010, held in Istanbul, Turkey, in April 2010 colocated with the Evo* 2010 events. Thanks to the large number of submissions received, the proceedings for EvoApplications 2010 are divided across two volumes (LNCS 6024 and 6025). The present volume contains contributions for EvoCOMNET, EvoENVIRONMENT, EvoFIN, EvoMUSART, and EvoTRANSLOG. The 47 revised full papers presented were carefully reviewed and selected from a total of 86 submissions. This volume presents a careful selection of relevant EC examples combined with a thorough examination of the techniques used in EC. The papers in the volume illustrate the current state of the art in the application of EC and should help and inspire researchers and professionals to develop efficient EC methods for design and problem solving.
Book Synopsis Network Algorithms, Data Mining, and Applications by : Ilya Bychkov
Download or read book Network Algorithms, Data Mining, and Applications written by Ilya Bychkov and published by Springer Nature. This book was released on 2020-02-22 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings presents the result of the 8th International Conference in Network Analysis, held at the Higher School of Economics, Moscow, in May 2018. The conference brought together scientists, engineers, and researchers from academia, industry, and government. Contributions in this book focus on the development of network algorithms for data mining and its applications. Researchers and students in mathematics, economics, statistics, computer science, and engineering find this collection a valuable resource filled with the latest research in network analysis. Computational aspects and applications of large-scale networks in market models, neural networks, social networks, power transmission grids, maximum clique problem, telecommunication networks, and complexity graphs are included with new tools for efficient network analysis of large-scale networks. Machine learning techniques in network settings including community detection, clustering, and biclustering algorithms are presented with applications to social network analysis.
Book Synopsis Variants of Evolutionary Algorithms for Real-World Applications by : Raymond Chiong
Download or read book Variants of Evolutionary Algorithms for Real-World Applications written by Raymond Chiong and published by Springer Science & Business Media. This book was released on 2011-11-13 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evolutionary Algorithms (EAs) are population-based, stochastic search algorithms that mimic natural evolution. Due to their ability to find excellent solutions for conventionally hard and dynamic problems within acceptable time, EAs have attracted interest from many researchers and practitioners in recent years. This book “Variants of Evolutionary Algorithms for Real-World Applications” aims to promote the practitioner’s view on EAs by providing a comprehensive discussion of how EAs can be adapted to the requirements of various applications in the real-world domains. It comprises 14 chapters, including an introductory chapter re-visiting the fundamental question of what an EA is and other chapters addressing a range of real-world problems such as production process planning, inventory system and supply chain network optimisation, task-based jobs assignment, planning for CNC-based work piece construction, mechanical/ship design tasks that involve runtime-intense simulations, data mining for the prediction of soil properties, automated tissue classification for MRI images, and database query optimisation, among others. These chapters demonstrate how different types of problems can be successfully solved using variants of EAs and how the solution approaches are constructed, in a way that can be understood and reproduced with little prior knowledge on optimisation.
