Inventory Management in Multi-Echelon Networks

Inventory Management in Multi-Echelon Networks

Author: Christopher Grob

Publisher: Springer

Published: 2018-08-14

Total Pages: 153

ISBN-13: 3658233753

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Inventory Management in Multi-Echelon Networks presents methods to plan inventory in distribution networks. By holistically looking at the supply chain, it shows how safety stocks across all echelons can be optimized if inventory of all levels is taken into consideration. The gap between the existence of advanced inventory planning methods and their low penetration in the industry was the motivation for this book. Christopher Grob develops essential algorithms that companies can use for network inventory planning and highlights achievable implementation benefits. The work of the author was inspired by the needs of an after sales supply chain of a large automotive company. This company supplies customers all over the world with spare parts and operates a distribution network with more than 100 warehouses. This supply chain faces two particular challenges: demand is highly uncertain and customers expect a high service level. About the Author Christopher Grob works in after sales supply chain management at a major German automotive company. He is responsible for the functional development of inventory planning systems for the spare parts business. He is an expert in the field of inventory management.


Optimal Inventory Modeling of Systems

Optimal Inventory Modeling of Systems

Author: Craig C. Sherbrooke

Publisher: Springer Science & Business Media

Published: 2006-04-11

Total Pages: 350

ISBN-13: 140207865X

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Most books on inventory theory use the item approach to determine stock levels, ignoring the impact of unit cost, echelon location, and hardware indenture. Optimal Inventory Modeling of Systems is the first book to take the system approach to inventory modeling. The result has been dramatic reductions in the resources to operate many systems - fleets of aircraft, ships, telecommunications networks, electric utilities, and the space station. Although only four chapters and appendices are totally new in this edition, extensive revisions have been made in all chapters, adding numerous worked-out examples. Many new applications have been added including commercial airlines, experience gained during Desert Storm, and adoption of the Windows interface as a standard for personal computer models.


The Logic of Logistics

The Logic of Logistics

Author: David Simchi-Levi

Publisher: Springer Science & Business Media

Published: 2007-07-03

Total Pages: 355

ISBN-13: 0387226192

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Fierce competition in today's global market provides a powerful motivation for developing ever more sophisticated logistics systems. This book, written for the logistics manager and researcher, presents a survey of the modern theory and application of logistics. The goal of the book is to present the state-of-the-art in the science of logistics management. As a result, the authors have written a timely and authoritative survey of this field that many practitioners and researchers will find makes an invaluable companion to their work.


Supply Chain Management

Supply Chain Management

Author: John T. Mentzer

Publisher: SAGE

Published: 2001

Total Pages: 530

ISBN-13: 9780761921110

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This work presents a comprehensive model of supply chain management. Experienced executives from 20 companies clearly define supply chain management, identifying those factors that contribute to its effective implementation. They provide practical guidelines on how companies can manage supply chains, addressing the role of all the traditional business functions in supply chain management and suggest how the adoption of a supply chain management approach can affect business strategy and corporate performance.


Inventory Optimization and Multi-Echelon Planning Software

Inventory Optimization and Multi-Echelon Planning Software

Author: Shaun Snapp

Publisher: Scm Focus

Published: 2012-08-01

Total Pages: 184

ISBN-13: 9780983715504

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This books explains the emerging technology of inventory optimization and multi-echelon (MEIO) supply planning. It takes a complex subject and effectively communicates what MEIO is about in plain English terms. This is the only book currently available that describes MEIO for practitioners, rather for mathematicians or academics. The book describes with text and graphics how inventory optimization allows the entire supply plan to be controlled with service levels, and how multi echelon technology answers the question of where to locate inventory in the supply network. This is the only book on inventory optimization and multi echelon planning which compares how different best of breed vendors apply MEIO technology to their products. It also explains why this technology is so important for supply planning and why companies should be actively investigating this method. The book moves smoothly between concepts to screen shots and descriptions of how the screens are configured and used. This provides the reader with some of the most intriguing areas of functionality within a variety of applications.


Multi-Echelon Inventory Management for a Non-Stationary Capacitated Distribution Network

Multi-Echelon Inventory Management for a Non-Stationary Capacitated Distribution Network

Author: Alvaro Maggiar

Publisher:

Published: 2022

Total Pages: 0

ISBN-13:

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We present an inventory management solution for a non-stationary capacitated multi-echelon distribution network involving thousands of products. Assuming backlogged sales, we revisit and leverage the seminal multi-echelon inventory management results in the literature to establish the structural properties of the problem, and derive an efficient and practical solution method. In particular, we describe how the additive separability nature of the objective function can be used in a dynamic programming framework to circumvent the usual curse of dimensionality inherent to high-dimensional inventory management problems. We incorporate features such as asynchronous replenishment intervals at the different echelons, accounting of perishability, capacity constraints (both volume and flow), stochastic lead times, reverse logistics, supply risk and risk-pooling. Illustrative examples demonstrate some of these features.A version of this model was tested at a large grocery retailer in a two-layer network, resulting in a statistically significant increase of availability, sold units, and revenue, while lowering inventory volume at the hub.


Inventory Control

Inventory Control

Author: Sven Axsäter

Publisher: Springer

Published: 2015-07-06

Total Pages: 271

ISBN-13: 3319157299

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This third edition, which has been fully updated and now includes improved and extended explanations, is suitable as a core textbook as well as a source book for industry practitioners. It covers traditional approaches for forecasting, lot sizing, determination of safety stocks and reorder points, KANBAN policies and Material Requirements Planning. It also includes recent advances in inventory theory, for example, new techniques for multi-echelon inventory systems and Roundy's 98 percent approximation. The book also considers methods for coordinated replenishments of different items, and various practical issues in connection with industrial implementation. Other topics covered in Inventory Control include: alternative forecasting techniques, material on different stochastic demand processes and how they can be fitted to empirical data, generalized treatment of single-echelon periodic review systems, capacity constrained lot sizing, short sections on lateral transshipments and on remanufacturing, coordination and contracts. As noted, the explanations have been improved throughout the book and the text also includes problems, with solutions in an appendix.


Multi-echelon Inventory Optimization in a Rapid-response Supply Chain

Multi-echelon Inventory Optimization in a Rapid-response Supply Chain

Author: Robert Giacomantonio

Publisher:

Published: 2013

Total Pages: 168

ISBN-13:

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The motivation for multi-echelon supply chain management at Nike is to more cost-effectively accommodate customer-facing lead time reduction in the rapid-response replenishment business model. Multi-echelon inventory management, as opposed to a traditional finished-goods only philosophy, provides two clear benefits to a make-to-stock supply chain: first, it increases flexibility through staging calculated work-in-process inventory buffers at critical supply chain links and allowing postponed identification of finished goods; second, inventories held as work-in- process are typically carried at lower cost than finished goods. This thesis details the completion of a project intended to improve Nike's ability to determine optimal inventory levels by balancing cost and service level tradeoffs in a multi-echelon-enabled environment. The goal is to develop an inventory modeling methodology for Nike's supply chain data architecture specifically to evaluate the hypothesis that multi-echelon inventory management will present only limited opportunity for cost reduction in offshore, long lead time make-to-stock supply chains. To directly asses the hypothesis, Llamasoft's Supply Chain Guru optimization software will be deployed to create an inventory optimization model for a specific family of apparel products sold as part of Nike's replenishment offering in North America. The modeling results confirm the hypothesis that multi-echelon inventory management offers little value to the current offshore supply chain. Sensitivity and scenario analysis is utilized to identify significant inventory drivers, areas for substantial improvement, and profitable opportunities for multi-echelon inventory management.


Spare Parts Inventory Control under System Availability Constraints

Spare Parts Inventory Control under System Availability Constraints

Author: Geert-Jan van Houtum

Publisher: Springer

Published: 2015-05-18

Total Pages: 227

ISBN-13: 1489976094

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This book focuses on the tactical planning level for spare parts management. It describes a series of multi-item inventory models and presents exact and heuristic optimization methods, including greedy heuristics that work well for real, life-sized problems. The intended audience consists of graduate students, starting scholars in the field of spare parts inventory control, and spare parts planning specialists in the industry. In individual chapters the authors consider topics including: a basic single-location model; single-location models with multiple machine types and/or machine groups; the multi-location model with lateral transshipments; the classical METRIC model and its generalization to multi-indenture systems; and a single-location model with an explicit modeling of the repair capacity for failed parts and the priorities that one can set there. Various chapters of the book are used in a master course at Eindhoven University of Technology and in a PhD course of the Graduate Program Operations Management and Logistics (a Dutch network that organizes PhD courses in the field of OM&L). The required pre-knowledge consists of probability theory and basic knowledge of Markov processes and queuing theory. End-of-chapter problems appear for all chapters, with some answers appearing in an appendix.


Inventory Management for Multi-echelon Supply Chains

Inventory Management for Multi-echelon Supply Chains

Author: Zumbul Atan

Publisher:

Published: 2010

Total Pages: 262

ISBN-13: 9781124006000

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Finally, we propose an inventory rationing policy for a distribution network where transshipments among locations are allowed. We propose an approximate iterative procedure to find the best rationing policy for each individual location in the system. We elaborate on how transshipments affect optimal stocking policies and identify the systems which benefit from transshipments the most.