Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 42 for “"Inventory System"”.
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Lot sizing in multi-level multi-echelon inventory system
Typescript (photocopy).
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Numerical optimization of a stochastic inventory system under constraint
Digitized by Kansas Correctional Industries
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Numerical optimization of a stochastic inventory system under constraint
Digitized by Kansas Correctional Industries
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Differential evolution optimisation of a two echelon inventory system.
… algorithm in the context of spare part inventory optimisation in a two-echelon supply chain setting. The study of DE in application to supply chain planning is limited; thus, we present a well-known hard discrete non-linear stochastic optimisation problem to determine the inventory …
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A repairable item inventory system using dynamic programming and Markov processes
… an analytical model of a repairable item inventory system. The system consisted of a depot that repaired failed units according to some repair policy and stocked ready-for-issue units in support of a finite number of customers. A least-cost repair policy and stock level was determined by …
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Analysis of a production-inventory system under a stationary demand process and forecast updates
Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1998.
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Planning and control of an unreliable machine in a multi-item production-inventory system
Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1996.
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An empirical analysis and stochastic modelling of aggregate demand behaviour in a spare parts inventory system
… work of RG Brown (1959), who showed that inventory usage values are often log normally distributed, we set out and developed models that go some considerable way to explaining the underlying stochastic basis for this phenomena, why it occurs and some limiting conditions. The justification …
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Development of an inventory system for non-timber functions of forests in the frame of management inventories: the case of Greece
The development of an inventory and evaluation methodology for non-timber functions of forests in the frame of management inventories is the main objective of the thesis. Two systems of factors that can comprehensively describe forest ecosystems and their functions have been developed. The system …
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The optimization of simulation models by genetic algorithms:a comparative study
… The first model consists of a big S, little s inventory system with two decision variables: big S and little s. The response is the monthly cost of operating the inventory system. The second model was a university time-sharing computer system with two decision variables: quantum, the amount of …
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Grouping Techniques to Manage Large-Scale Multi-Item Multi-Echelon Inventory Systems
<p>Large retail companies operate large-scale systems which may consist of thousands of stores. These retail stores and their suppliers, such as warehouses and manufacturers, form a large-scale multi-item multi-echelon inventory supply network. Operations of this kind of inventory system require a …
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Information inaccuracy in inventory systems
It is critically important for inventory-carrying facilities to provide high availability of products at the minimal operating cost. To achieve this objective, many companies have automated their inventory operations and rely on the information system in critical decision makings. However, if the …
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Capacity Multipliers: Rapidly Scaling Production through Line Balancing and Critical Path Reduction
… investigate techniques including the base-stock inventory system, the kanban inventory system, workflow analysis diagrams, push-pull barrier definition, and division and coordination of labor to reduce the critical path and balance utilization. The effectiveness of the techniques are measured by …
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Improving inventory management to increase profitability
… work stoppages. Apart from a monthly physical inventory, ShopSabre does not have the means to assess inventory on hand at any given time. There are few common systems across sales, purchasing, and production, resulting in occasional miscommunication as well as a lack of data comparing cost of …
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Improving shade consistency in vinyl floor tile production
… (reclaim), an intricate tile shade inspection system, a complex inventory system and difficulty in forecasting accurately production outputs. Management decisions from ordering through production planning and inspection to tile dispatch were made uncertain. A cost analysis of rejects, …
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Managing Disturbances in Supply Chain Systems
… a study of disturbance management in production-inventory and supply chain systems. The study focuses on generating and analysing the recovery decision after the occurrence of a disturbance on a real-time basis. In this thesis, the developed approach was divided into several steps. At first, a …
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Deterministic inventory models with multiple constraints
… of the single-item, single-source, deterministic inventory system in the face or multiple constraints. The Lagrangian multiplier technique is used for optimization. Two models, the general model and the special model, with multiple constraints are studied. For the special model the solution …
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Heuristics for Inventory Systems Based on Quadratic Approximation of L-Natural-Convex Value Functions
… scheme for single-product periodic-review inventory systems with L-natural-convex structure. We lay out three well-studied inventory models, namely the lost-sales system, the perishable inventory system, and the joint inventory-pricing problem. We approximate the value functions for these …
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Analysis and cost versus reliability in a multi-echelon supply chain for a chemical plant
… of uncertainty within a chemical production/inventory system. Later the company can use it to minimize the total cost at any required Cycle Service Level (CSL) under variable demand and production reliability. To solve this problem, we will base historical data to estimate the distribution …
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