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 20 of 30 for “"Uncertain demand"”.
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Initial purchase of short-term life cycle products with uncertain demand
… purchases of short-term life cycle products with uncertain demand. This thesis reviews the current processes for the initial purchases and determines where the Company can reduce inventory risks related to the initial purchase. The research and analysis has three aspects: interviews of eight …
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Flexible system development strategies for the Chuo Shinkansen Maglev Project : dealing with uncertain demand and R&D outcomes
… Maglev Project in Japan includes various uncertainties. Among them, two major uncertainties are identified in this thesis: the uncertainty of demand and the risk of R&D. Because each Maglev train requires a dedicated Power Conversion System (PCS) but a different one as it moves along the …
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Cross-trained workforce planning models
… increasing workforce flexibility in the face of uncertain demand. Despite recently receiving substantial attention in workforce planning literature, a number of challenges towards making the best use of cross-training remain. Most notably, approaches to automating the allocation of workers to …
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Pricing and incentive design in applications of green technology subsidies and revenue management
… adjust prices to maximize profits when facing uncertain demand, as for example airlines selling flights or hotels booking rooms. In particular, we develop a robust sampling-based optimization framework that minimizes the worst-case regret and dynamically adjusts the price according to the …
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Network design and safety stock placement for a multi-echelon supply chain
… the overall cost while meeting the customer demand with requisite levels of service. This view of collaborative approach towards supply chain design has the potential of providing competitive edge for the firms in a highly competitive environment with high variability of end customer demand. …
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Value-based multidisciplinary optimization for commercial aircraft program design
… valuation, accounting explicitly for both uncertain demand via market volatility and managerial flexibility by invoking Real Options theory. Stochastic program value is used as the new objective for the design optimization problem. The methodology and framework developed are applied to a …
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Inventory management of steel plates at an oil rig construction company
… this line of business. However, in recent years, demand for these rigs has been increasing at a tremendous rate and previous steel management policies are fast becoming unable to cope with this surge of demand. The thesis first looks at characterizing the nature of the demand of steel plates in …
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Dynamic retail assortment models with demand learning for seasonal consumer goods
… of the selling season, when only limited and uncertain demand information is available. As a result, many retailers are seemingly cursed with simultaneously missing sales for want of popular products, while having to use markdowns in order to sell the many unpopular products still accumulating …
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Polynomial policies in supply chain networks
… control problem in supply chain networks with uncertain demand so as to minimize the overall cost of the system over a fixed planning time horizon. In such problems, one seeks to optimally determine ordering quantities at different stages in time. We investigate the class of polynomial …
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Integrated modeling and simulation of lunar exploration campaign logistics
… such as flight delays, flight cancellations and uncertain demand parameters. The significant findings presented in this thesis broadly fall into three categories: a demonstration of the value of integrated modeling and simulation of campaign logistics, the best logistics strategy for the …
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The role of demand uncertainty in materials selection : a case study on aluminum recycling
… with substantial recent growth. The increase in demand for aluminum, however, has outpaced the growth of primary aluminum production. One way to meet this shortfall is the use of secondary, or recycled, materials which provides both economic and environmental benefits. The increased use of …
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Lean principles applied to a supply chain with demand uncertainty
… the importance of leveling the customer demand signal in order to implement a true pull system using Kanbans. On the other hand, this thesis describes the implementation of lean manufacturing tools such as Kanban systems and Heijunka boards in some Kodak operations. This work includes the …
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An inventory planning methodology for a semiconductor manufacturer with significant sources of variability
… long cycle times, cycle time variability, and uncertain demand. The thesis builds upon extensions of the Base Stock model to recommend target finished goods inventory (FGI) and work-in-process (WIP) levels, as well as material release decisions. The model also allows MID to predict expected …
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Personalization of future urban mobility
… addresses trade-off between exploration (learn uncertain demand of menus) and exploitation (offer the best menu based on current knowledge). We illustrate the benefits of exploration under different conditions including different types of heterogeneity.
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On the design for flexibility of manufacturing systems : a stochiastic approach
… for flexibility and the inherent needs to meet uncertainty. Bridging this gap is the intent of this work. In this dissertation, developed analytical models are for the optimum design of flexible systems. The models introduced are based on extensions of the single period stochastic inventory …
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Supply chain network strategy for consumer medical device introduction
… the launch exposes the J&J business to risk and uncertainty. We develop a mixed-integer optimization model to guide the optimal design of a global consumer medical device supply chain network comprising component suppliers, assembly facilities, sterilizers, and distribution centers. The model …
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On-orbit servicing for satellite upgrades
… geosynchronous communication satellite facing an uncertain demand and technology upgrades on a scientific observatory. The power upgrade of a geosynchronous communication satellite is assumed to restore beginning of life power. The model shows that modifying the initial design of the satellite to …
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Optimizing safety stock placement in general network supply chains
… problem for a manufacturing company that faces uncertain demand and needs to provide a high level of service to its customers. The amount of stock held should be small to minimize holding and storage costs while retaining the ability to serve customers on time and satisfy most, if not all, of …
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Integration of third party logistics providers within the distribution network
… new channels, different product attributes, uncertain demand profiles, and various service requirements, all of which have a direct impact on Intel's strategy for physical distribution. The existing logistics infrastructure is not equipped to optimally distribute the greater product mix and …
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Towards a unified theory of procurement contract design : production flexibility, spot market trading, and contract structure
… product to produce an end good with an uncertain demand. We derive the general non-linear pricing solution for the contracts under information asymmetry of the buyer's production flexibility. We show that confirming industry observations, volume-dependent optimal sales contracts always …
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