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 61 for “"Spare parts"”.
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A systematic approach to internal spare parts management
Internal spare parts management is a universal issue faced by all manufacturers, and involves decision-making and planning across a highly complex and heterogeneous group of thousands of items. Spare parts exhibit intermittent demand and a variety of prices, lead times, and potential downtime costs …
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Insurance spares, safety equipment and spare parts on ships
… that certain minimum safety equipment and spares be carried aboard any ship for the purpose of safety at sea, but do not prescribe what these should be. Each ship operator, such as this company, based on its risk profile, decides what safety equipment and spares will form part of the ship. …
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Insurance spares, safety equipment and spare parts on ships
This paper deals with the treatment of spare parts on ships, in accordance with the Income Tax Act, No. 58 of 1962 (as amended), (hereafter 'the Act'). The question that is central to this issue is specifically when a spare part is brought into use. Flowing from this is the question of the purpose …
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FORECASTING INTERMITTENT DEMAND FOR AIRCRAFT SPARE PARTS USING MACHINE LEARNING
… approaches for forecasting intermittent aircraft spare parts demand within the Brazilian Air Force (FAB), with the goal of improving prediction accuracy and, consequently, enhancing readiness levels and reducing stockouts.The study gathers and preprocesses 10 years of historical spare-parts demand …
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Last-time-build strategies of spare parts with the advent of 3D printing technology
Forecasting demand and managing spare part inventory has long been a challenge for products that have a very long lifecycle time. With demand being discrete, low and sporadic, understanding of the actual demand is erroneous and hence forecasting the right demand for a Last-Time-Build has been …
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Modeling and centralization of strategic inventory for repairable and long lead-time spare parts
… inventory model for repairable and long leadtime spare parts for an Engine overhaul business. In addition, it presents a business case for centralization of inventory. Pratt & Whitney purchased the Norway Engine Center (NEC) in 2000. Two new engine centers, the Shanghai Engine Center (SEC) and the …
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SPARE PARTS: SMALL ARMS PROLIFERATION AND THE DILEMMA OF GOVERNANCE, AUTHORITY, AND FOREIGN MILITARY ASSISTANCE
This thesis examines the international state-directed arms trade in South Asia following WWII, and describes how attempts to limit the arms flow into the region were subverted by less constrained suppliers and by the superpowers themselves. Donor states distributed surplus items to less …
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A finite population queueing system with a supporting inventory of spare parts-analysis and design
… situation where failed units require a single spare part to initiate repair action. A supporting inventory of spare parts is included 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 …
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A Quantitative Study of the Impact of Additive Manufacturing in the Aircraft Spare Parts Supply Chain
… by evaluating its impact on the aircraft spare parts supply chain. An aircraft supply chain is very critical because even a small shortage of spare part leads to heavy financial losses. This makes it mandatory for the aircraft companies and operators to keep large stock of all the spare …
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3D printing technology on spare parts business supply chain management: A case study in appliance industry
1 PDF file (viii, 105 pages)
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An empirical analysis and stochastic modelling of aggregate demand behaviour in a spare parts inventory system
… the aggregate independent demand behaviour for spare parts inventories, principally in the automotive industry. In particular, using the pioneering 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 …
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The impact of installed base and machine failure prediction on spare parts forecasting and inventory planning
… of predictive failure accuracy, creating spare parts forecasts based off of varying predictive forecast parameters. We compare these scenarios and their respective outputs to a regular time-series forecasting scenario, inserting each type of forecast into a periodic review (R, S) inventory …
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Applications of risk pooling for the optimization of spare parts with stochastic demand within large scale networks
… cost associated with equipment failure means spare parts must always available when required. This is made difficult as Amazon does not hold any central repository of inventory at present - all inventory is held at a site-level. Unfortunately, FCs have to stock more inventory than required due …
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Total cost reduction through an improvement of the use and inventory management of consumables and spare parts
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1996, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
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Circular economy for flexicut spare parts : opportunities for Marel to implement circular economy for spare part supply for flexicut
… by implementing circular economy in their spare parts supply for the FlexiCut. When the transition from linear economy to circular economy has been proven for this small step the knowledge can be transferred to other product groups within Marel and have a circular economy for all spare …
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Modelling and simulation for the joint optimisation of inspection maintenance and spare parts inventory in multi-line production settings
… joint optimisation of preventive maintenance and spare parts inventory in multi-line settings. The multi-line machines are subject to failure, based on the delay-time concept, and a selection of policies are used for the replenishment of the machines’ critical component. Production lines of varied …
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The impact of judgment on statistical forecasts
… how judgment impacts a statistical forecast in a spare parts supply chain.The thesis will investigate what impact judgment has on forecast accuracy that is, does it improve the statistical forecast. If so, is there specific types of demand series, spare parts types or expertise which can affect …
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Inhalte und Elemente für eine Entwicklung von Lieferanten von fahrrelevanten Komponenten für Elektrofahrzeuge im Ersatzteilgeschäft der Automobilindustrie
… is becoming increasingly important. The emerging spare parts business for driving-related components for electric vehicles offers companies the opportunity to set themselves apart from other market competitors through a high level of service. Since the qualitative orientation along the supply …
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