Some Issues In The Economic Lot Scheduling Problem
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Some Issues In The Economic Lot Scheduling Problem
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Author : Ilkyeong Moon
language : en
Publisher:
Release Date : 1991
Some Issues In The Economic Lot Scheduling Problem written by Ilkyeong Moon 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.
Aggregation Of Data In The Economic Lot Scheduling Problem
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Author : Sven Axsäter
language : en
Publisher:
Release Date : 1980
Aggregation Of Data In The Economic Lot Scheduling Problem written by Sven Axsäter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
The Lot Scheduling Problem In The Hierarchy Of Decision Models
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Author : Robert Sheldon
language : en
Publisher:
Release Date : 1986
The Lot Scheduling Problem In The Hierarchy Of Decision Models written by Robert Sheldon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Economic lot size categories.
The economic lot scheduling problem (ELSP) surfaces from competition among products for a scarce resource, usually machine time. When scheduling production of batches in this environment, two issues must be resolved: the size of batches and the start times for production of each batch. Standard approaches to the ELSP focus on scheduling multiple products on a single machine. This thesis addresses three important issues that put the scheduling problem in the context of its physical setting and range of parameters: idle time, the zero switch rule, and stochastic input to a bottleneck machine. In most scheduling heuristics, the reason for idle time is to balance cyclic production patterns. Idle time is also optimal in solutions to problems with high setup costs. We show that the condition for inducing idle time, given zero setup costs, is when one product has dominant holding costs and the remaining products have low machine utilization. A common policy in scheduling is to start production only after the inventory reaches zero. This policy is called the zero switch rule (ZSR) and is regarded as a good scheduling policy. We show that the condition when ZSR is not optimal is when the ZSR solution yields lumpy production patterns for a product with dominant holding costs.
The Economic Lot Scheduling Problem
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Author : Carol Wilcox Prevost
language : en
Publisher:
Release Date : 1978
The Economic Lot Scheduling Problem written by Carol Wilcox Prevost and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Economic lot size categories.
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 And Delivery Scheduling Problem The Common Cycle Case
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Author : Juho Hahm, Candace Arai Yano
language : en
Publisher:
Release Date : 1991
The Economic Lot And Delivery Scheduling Problem The Common Cycle Case written by Juho Hahm, Candace Arai Yano 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.
The Stochastic Economic Lot Scheduling Problem
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Author : David Maxwell Markowitz
language : en
Publisher: Forgotten Books
Release Date : 2018-02-09
The Stochastic Economic Lot Scheduling Problem written by David Maxwell Markowitz and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-09 with Business & Economics categories.
Excerpt from The Stochastic Economic Lot Scheduling Problem: Heavy Traffic Analysis of Dynamic Cyclic Policies We analyze two variants of the scheduling problem. In the setup cost problem, a cost is incurred when the machine switches production from one product to another; in the setup time problem, a random setup time is incurred when the server switches product. We restrict ourselves to the class of dynamic cyclic policies, where each product is serviced once per cycle and the order of production does not change. Thus, the server has three scheduling options at each point in time: Produce a unit of the product that is currently set up, change over to the next product in the cycle (and initiate service in the setup cost problem), or remain idle. Each product has its own costs per unit time for holding and backordering a unit in inventory. The objective in the setup time problem is to minimize the long run expected average inventory costs (that is, holding and backorder costs); the objective in the setup cost problem is to minimize the average inventory and setup costs. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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.
Lower Bounds For The Economic Lot Scheduling Problem Using Aggregation
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Author : Sven Axsäter
language : en
Publisher:
Release Date : 1980
Lower Bounds For The Economic Lot Scheduling Problem Using Aggregation written by Sven Axsäter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
The Economic Lot Scheduling Problem
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Author : Brian Bennett Hanson
language : en
Publisher:
Release Date : 2013
The Economic Lot Scheduling Problem written by Brian Bennett Hanson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.