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.
Results
Showing 1 to 18 of 18 for “"Ordering policy"”.
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Material planning and inventory management
… when the ports' time allowance runs out. A new ordering policy of (Q, R) continuous review model with forecast demand is developed to reduce inventory in the external warehouse. The policy parameters of four most commonly used paperboards are determined and simulations based on historical demand …
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A tactical planning model for a serial flow manufacturing system
… The objective is to investigate inventory policy, raw material ordering policy, production planning and scheduling policy, in the face of demand uncertainty, raw material arrival uncertainty and in-process failure. The tactics being explored include segmenting the serial flow line with …
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Competitive risks and information sharing scheme impacts on supply chain performance using system dynamics
… information sharing policies, in particular the ordering policy which takes into account multiple sources of information, works best in the 3rd scenario, there is value in introducing information sharing, with a customer service perspective in mind in all cases.
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A performance analysis of model based inventory policies for procurement of direct material items
… wide implementation of model based material ordering policy.
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Evaluating inventory ordering policies : a methodology and application
This work considers how inventory ordering policies can distort the demand signal as it moves up the supply chain, magnifying the impact of the bullwhip effect. We define an inventory ordering policy as a set of rules that govern the process of issuing and updating a forecast of product order …
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Analysis of the Effect of Ordering Policies for a Manufacturing Cell Transitioning to Lean Production
… supplier performance levels, and the ordering policies used for supplied parts. The focus of this research is analyzing the impact of ordering policies for supplied parts of a manufacturing cell utilizing Lean Production techniques. This thesis presents a simulation analysis of a …
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Vendor Managed Inventory: A new approach to supply chain management
… spreadsheet solution and a best alternative ordering policy amongst EOQ, Monthly, JIT and VMI policies under known lead time and a variety of demand distribution functions.
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Order fulfillment in online retailing : what goes where
… approximate model for a periodic review, nested ordering policy. Furthermore, we extend the formulation to account for shipping delays and advance order information. We report on tests of the model with data from a major e-tailer. Second, we focus on the entire network of warehouses and …
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A finite population queueing system with a supporting inventory of spare parts-analysis and design
… in the model operating under a one-for-one ordering policy. The system was modeled as a Markov process, and an algorithm is presented that numerically evaluates the steady state probabilities. Cost was chosen as the measure of effectiveness of the system. Total system cost consists of …
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Development and application of management tools within a high-mix, low-volume lean aerospace manufacturing environment
… a strategic, continuous review incoming material ordering policy. In addition, a capacity planning tool, a long term resource cross-training planning tool, and a series of leading metrics and management levers are developed in order to help steer management decisions.
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Alignment in Supply Chains: Empirical Analysis of Strategic and Operational Decision Making in Supply Chain Operations
… firm may accrue from adopting an order-smoothing policy – an ordering policy that are considerate to their upstream supply chain partners. This study found that a firm’s order smoothing policy results in significant reductions in the firm’s likelihood of inventory stock outs and expected stock out …
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Implication of information disruption to supply chain improvement strategy decision - an entropy perspective
… categories of strategic factors are considered: ordering policy; supply chain structure; and information sharing/integration, and each category has 3 or more alternatives used for comparison. Using discrete event simulation (DES), the study found that these strategic factors help improve supply …
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Forecast-driven tactical planning models for manufacturing systems
… For each segment, we specify a work release policy and a production control policy to manage the work-in-process inventory within the segment and to maintain the inventory targets in the downstream buffer. We also optimize the raw material ordering policy with fixed ordering times, long …
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Efficient scheduling to reduce setup times and increase utilization in a multiple-part manufacturing system
… procedure is a derivative of the standard (Q,R) ordering policy used in supply chain design, which includes an additional reorder point to take advantage of part family setups on a machine. In the simulation, the QPR Scheduling procedure also generated considerable reductions in total setup time, …
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Managing Demand Uncertainty for Perishable Products Through Omnichannel Grocery
… a major cost driver, the extent to which advance ordering can improve profit, or offset increased fulfillment costs, is not yet clear.</p> <p>To investigate this, a model that solves for the retailer’s optimal ordering policy is de- veloped to reflect a modern grocer’s inventory management …
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Process Modeling, Performance Analysis and Configuration Simulation in Integrated Supply Chain Network Design
… of organizational functions ranging from the ordering and receipt of raw materials throughout the manufacturing processes, to the distribution and delivery of products to the customer. Its application demonstrates that this idea enables organizations to achieve higher quality products, better …
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Four Essays on Inventory and Supply Chain Management
… Brownian motion. To determine the optimal ordering time, we propose an optimization approach that is different from the classic approach by Dixit et al. (1994) and Li and Kouvelis (1999). Our approach leads to deeper analytical results and more transparent ordering policy. Through a …
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Downstream automotive supply chain simulation: A system dynamics approach to improve performance
… This is the point where this study suggests policy interventions for managers. Findings from the analysis provides insight how these instabilities occur from uncertain demand and its effect on the two inventory models together with the costs involved. Finally, sensitivity analysis is …