Multi Stage Production Planning And Inventory Control
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Multi Stage Production Planning And Inventory Control
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Author : Sven Axsäter
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Multi Stage Production Planning And Inventory Control written by Sven Axsäter 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.
This paper treats a two-echelon inventory system. The higher echelon is a single location reffered to as the depot, which places orders for supply of a single com modity. The lower echelon consists of several points, called the retailers, which are supplied by shipments from the depot, and at which random demands for the item occur. Stocks are reviewed and decisions are made periodically. Orders and/or shipments may each require a fixed lead time before reaching their respective desti nations. Section II gives a short literature review of distribution research. Section III introduces the multi-echelon distribution system together with the underlying as sumptions and gives a description of how this problem can be viewed as a Markovian Decision Process. Section IV discusses the concept of cost modifications in a distribution context. Section V presents the test-examples together with their optimal solutions and also gives the characteristic properties of these optimal solutions. These properties then will be used in section VI to give adapted ver sions of various heuristics which were used in assembly experiments previously and which will be tested against the test-examples.
Production And Inventory Control Of A Multi Item Multi Stage Manufacturing System
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Author : Syed Zia Abbas Rizvi
language : en
Publisher:
Release Date : 2009
Production And Inventory Control Of A Multi Item Multi Stage Manufacturing System written by Syed Zia Abbas Rizvi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
The project work presented in this thesis has proposed solutions related to the control of production and work-in-process inventory in a multi-item multi-stage manufacturing system. A suitable base-stock inventory control policy is recommended to ensure that the desired service levels are maintained between production stages and for the final customers. Concept of coupling the production lines though coupling-stock under suitable assumptions is then introduced to reduce the stock levels at certain consecutive production stages. A framework for demand seasonality and characteristic analysis is also established to enable the inventory control policy to respond to seasonal variations. Monte Carlo simulation was performed on a model of chain of production stages controlled under base-stock policy for the verification of results and to study the effects of stock-outs on base-stock levels. The results of simulation study showed that overall system performance is satisfactory and desired service levels were achieved. Simulation work was also carried out to validate the line coupling concept and its performance under certain conditions. A novel Kanban based visual management system design, which is aligned with the requirements of inventory control policy, along with the material transfer batch sizes between production stages is proposed to facilitate the implementation of inventory control policy. Furthermore, capacitated shipment planning approach is proposed and implemented in form of a spreadsheet-based interface to aid planning personnel in shipment planning under the constraints provided by the inventory control policy.
Production And Inventory Management With Substitutions
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Author : J. Christian Lang
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-11-25
Production And Inventory Management With Substitutions written by J. Christian Lang 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 2009-11-25 with Business & Economics categories.
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.
Production Planning And Inventory Control
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Author : John F. Magee
language : en
Publisher:
Release Date : 1967
Production Planning And Inventory Control written by John F. Magee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Inventory control categories.
In Process Inventory Control In A Multi Stage Manufacturing Process Subject To Large Fluctuations In Lost Production
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Author : Thomas Quinn LeBrun
language : en
Publisher:
Release Date : 1959
In Process Inventory Control In A Multi Stage Manufacturing Process Subject To Large Fluctuations In Lost Production written by Thomas Quinn LeBrun and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with categories.
Design Of A Demand Driven Multi Item Multi Stage Manufacturing System
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Author : Xiaoyu Zhou (M. Eng)
language : en
Publisher:
Release Date : 2009
Design Of A Demand Driven Multi Item Multi Stage Manufacturing System written by Xiaoyu Zhou (M. Eng) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
The project is conducted in a multi-item-multi-stage manufacturing system with high volume products. The objectives are to optimize the inventory structure and improve production scheduling process. The stock building plan is studied carefully to understand the demand seasonality characteristics and the planning guidelines that the factory is currently following. A new base stock policy is introduced to the 5 focused production stages to establish a demand driven system with controlled inventory and new rules to guide the daily production. The line coupling concept is also added to further refine the inventory structure. After that, the production leveling method is employed to help reduce the variation of daily production targets. Finally, a Kanban system is designed to facilitate the demand driven manufacturing under the operation of the new base stock policy. With the appropriate inventory control and production scheduling policy, the overall inventory level in the factory is reduced by 61% based on calculation, leading to a savings of 70% of the total inventory cost. Moreover, the establishment of Kanban system has simplified the daily manufacturing activity on the operation level and helped the factory become a lean manufacturer.
Production Planning Scheduling And Inventory Control
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Author : Douglas C. Montgomery
language : en
Publisher:
Release Date : 1974
Production Planning Scheduling And Inventory Control written by Douglas C. Montgomery and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Inventory control categories.
Production Planning Of Capacitated Multi Stage Discrete Manufacturing Systems
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Author : Martin Kasper
language : en
Publisher:
Release Date : 1983
Production Planning Of Capacitated Multi Stage Discrete Manufacturing Systems written by Martin Kasper and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Stochastic Modelling In Production Planning
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Author : Alexander Hübl
language : en
Publisher: Springer
Release Date : 2017-07-26
Stochastic Modelling In Production Planning written by Alexander Hübl and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-26 with Business & Economics categories.
Alexander Hübl develops models for production planning and analyzes performance indicators to investigate production system behaviour. He extends existing literature by considering the uncertainty of customer required lead time and processing times as well as by increasing the complexity of multi-machine multi-items production models. Results are on the one hand a decision support system for determining capacity and the further development of the production planning method Conwip. On the other hand, the author develops the JIT intensity and analytically proves the effects of dispatching rules on production lead time.
Operations Research In Production Planning Scheduling And Inventory Control
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Author : Lynwood A. Johnson
language : en
Publisher:
Release Date : 1974
Operations Research In Production Planning Scheduling And Inventory Control written by Lynwood A. Johnson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Business & Economics categories.
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