Economic Lot Scheduling Problem With Sequence Dependent Setups And Fixed Planning Horizon
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Economic Lot Scheduling Problem With Sequence Dependent Setups And Fixed Planning Horizon
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Author : Hong Choon Oh
language : en
Publisher:
Release Date : 2000
Economic Lot Scheduling Problem With Sequence Dependent Setups And Fixed Planning Horizon written by Hong Choon Oh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
The Economic Lot Scheduling Problem Elsp With Sequence Dependent Setup Costs And Times A Case Study
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Author :
language : pt-BR
Publisher:
Release Date : 2002
The Economic Lot Scheduling Problem Elsp With Sequence Dependent Setup Costs And Times A Case Study written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
O presente trabalho analisa o Problema da Programação de Lotes Econômicos (ELSP) que, freqüentemente, se apresenta em indústrias com processos produtivos em linha (onde a produção segue uma seqüência especificada de operações). Tal linha deve manufaturar diferentes produtos, só sendo possível fabricar um produto por vez. Além disso, para o caso estudado, outra característica importante é que os tempos e custos de setup dependem da seqüência de fabricação escolhida. O objetivo do problema é determinar uma seqüência de produção que permita obter conjuntamente os menores custos de setup e de manter estoques, satisfazendo a demanda do mercado sem atrasos. É factível, na teoria, encontrar matematicamente uma solução ótima para o problema, mas sua obtenção se torna impraticável pelas numerosíssimas possibilidades e muitas variáveis a considerar. Por tal motivo, recorre-se ao uso de métodos heurísticos. Neste trabalho analisam-se os dados fornecidos por uma empresa de refrigerantes, que possui um processo em linha, e se estabelecem as seqüências e os volumes de produção para cada produto, obtendo custos próximos do ótimo. O método que se propõe não só é útil para o caso específico, senão também pode ser adaptado a indústrias que guardem características semelhantes.
A Comparison Of Solution Approaches For The Fixed Sequence Economic Lot Scheduling Problem
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Author :
language : en
Publisher:
Release Date : 1992
A Comparison Of Solution Approaches For The Fixed Sequence Economic Lot Scheduling Problem written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
The Economiclot And Delivery Scheduling Problem
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Author :
language : en
Publisher:
Release Date : 1991
The Economiclot And Delivery Scheduling Problem written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
Planning And Scheduling In Manufacturing And Services
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Author : Michael L. Pinedo
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-11-13
Planning And Scheduling In Manufacturing And Services written by Michael L. Pinedo 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 2005-11-13 with Business & Economics categories.
Pinedo is a major figure in the scheduling area (well versed in both stochastics and combinatorics) , and knows both the academic and practitioner side of the discipline. This book includes the integration of case studies into the text. It will appeal to engineering and business students interested in operations research.
Multiple Plants Capacitated Lot Sizing And Scheduling With Sequence Dependent Setup Costs
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Author : Sari Hilmi Abdullah
language : en
Publisher:
Release Date : 2016
Multiple Plants Capacitated Lot Sizing And Scheduling With Sequence Dependent Setup Costs written by Sari Hilmi Abdullah and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Linear programming categories.
"Production planning is a crucial activity for companies to satisfy customers demand while minimizing cost. The objective of this research is to optimize the production planning and scheduling decisions of companies in petrochemical industry field. A Mixed-Integer Linear Programming (MILP) model is developed for the capacitated lot sizing and scheduling problem with sequence dependent setup costs; that considers the chain of multiple suppliers, affiliates, warehouses and customers. Different grades can be produced by each affiliate, and a changeover cost occurs when changing the production from one grade to another. The model integrates scheduling and lot-sizing decisions with the logistics functions of transportation and warehousing. In particular, it provides answers to questions regarding the amount of each raw material to be purchased from each supplier, sequence of production plans, inventory levels, and warehouse selection to satisfy orders. Petrochemical companies usually own several joint-ventures and centrally prepare the affiliates' production plans for the upcoming periods; their current planning procedures do not consider the overall costs in their supply-chain. The developed model will integrate their raw material costs, production and sequencing costs, inventory costs and transportation costs from the supplier side across the supply-chain to the customer side. The problem under study is considered an NP-Hard problem due to its complexity and size; therefore, a three stage heuristic was developed which provided good quality solutions with an acceptable computational time. The first stage of the heuristic works on reducing the complexity of the model by removing the sequencing decisions; where the resulting model decides only the size of lots for each affiliate. In the second and third stages, an iterative process is done to reduce the total setup and total holding costs while restoring the sequencing decisions. The heuristic was applied on different problem instances of different sizes and the reported results were within a range of 0.09% - 2.0% away from optimality. The development of the Mixed-Integer Linear Programming and the Three Stage Heuristic is the main contribution of this research."--Abstract.
Variants Of Evolutionary Algorithms For Real World Applications
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Author : Raymond Chiong
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-11-13
Variants Of Evolutionary Algorithms For Real World Applications written by Raymond Chiong 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 2011-11-13 with Technology & Engineering categories.
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.
Scheduling In Green Supply Chain Management
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Author : Wolfgang Albrecht
language : en
Publisher: Springer Nature
Release Date : 2021-04-01
Scheduling In Green Supply Chain Management written by Wolfgang Albrecht and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-01 with Business & Economics categories.
This book presents scheduling with a medium- and short-term focus, which makes it possible to capitalize on fleeting market opportunities while simultaneously working to reconcile economic and environmental priorities. It introduces a new mixed-integer approach to hierarchical discrete-time and continuous-time scheduling, combining aspects of production and recycling, forward and reverse logistics as well as emissions trading for multi-stage supply chain networks. Problem-specific variants of relax-and-fix heuristics and genetic algorithms are also proposed. Given its scope, the book provides a range of practical tools and new perspectives for researchers and professionals in the field of supply chain management.
Intelligent Systems In Production Engineering And Maintenance Ispem 2017
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Author : Anna Burduk
language : en
Publisher: Springer
Release Date : 2017-08-16
Intelligent Systems In Production Engineering And Maintenance Ispem 2017 written by Anna Burduk and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-16 with Technology & Engineering categories.
The volume presents a collection of 44 peer-reviewed articles from the First International Conference on Intelligent Systems in Production Engineering and Maintenance (ISPEM 2017). ISPEM 2017 was organized by the Faculty of Mechanical Engineering, Wrocław University of Science and Technology and was held in Wrocław (Poland) on 28–29 September 2017. The main topics of the conference included the possibility of using widely understood intelligent methods in production engineering. New solutions for innovative plants, research results and case studies taking into account advances in production and maintenance from the point of view of Industry 4.0 were presented and discussed—with special attention paid to applications of intelligent systems, methods and tools in production engineering, maintenance, logistics, quality management, information systems, and product development. The volume is divided into two parts: 1. Intelligent Systems in Production Engineering 2. Intelligent Systems in Maintenance This book is an excellent reference resource for scientists in the field of manufacturing engineering and for top managers in production enterprises.
Linear Programming And Network Flows
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Author : Mokhtar S. Bazaraa
language : en
Publisher:
Release Date : 1990
Linear Programming And Network Flows written by Mokhtar S. Bazaraa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Computers categories.
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