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 13 of 13 for “"Pull System"”.
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Standardizing and improving test wafer processes : inventory optimization and a days of inventory pull system
… the magnitude and importance of Test Wafer systems, roughly the same number of Test Wafers are introduced each time period into the fab as production wafers. Through direct observation and process mapping techniques, I identified two system level projects, each containing enormous cost and …
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Optimizing the sequenced production schedule by managing the internal supply chain
… responsive to customer demand is implementing a 'Pull' system. A Pull system is one that takes production signals from the downstream process and is based on true customer demand. This is in contrast to a 'Push' system that takes the production signal from the upstream schedule. This thesis will …
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Re-Engineering the Operational System to Enhance the Customer Orientation of a Mid-Size Firm: A Field Study.
<p>The operational advantages of a pull system are very well documented. These advantages include not only operational efficiency and quality, but also the enhancement of the customer oriented of the organization.</p><p>The objective of this field study is to examine the applicability and potential …
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Making a high-mix make-to-order production system lean
A high-mix, make-to-order production system can become inefficient when non-value added operations consume too much time, space or labour. To address these issues, cell re-layout is conducted and a CONWIP system is proposed. The cell re-layout started with data collection on current layout, product …
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Implementing pull production within an aerospace assembly operation
… of the internship was to convert from a push system, where orders are expedited and scheduled at multiple points in the process, to a pull system driven by a bin size or finished goods supermarket. Some of the key issues addressed include system design for highly variable processes, …
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Definition and implementation of a visual inventory management system
… and implement a visual inventory management system in a foil mill. The framework proposed is founded on I) understanding the current material and information flows and developing reasons why inventory exists, 2) consolidating rolling and annealing schedules, identifying key specifications, …
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Lean principles applied to a supply chain with demand uncertainty
… on the implementation of a lean manufacturing system, modeled after the Toyota Production System, in the Kodak color film business. The goal of the system is to systematically eliminate all forms of waste from the production process in an attempt to reduce costs and inventory. This thesis …
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Reduce cycle time and work in process in a medical device factory : scheduling policies for needle assembly machine
… floor space to a limit. We divided the overall system into three manageable sub-systems and analyzed different strategies for each. At Needle Assembly machine (AN) and downstream, we can achieve significant reduction in cycle time and work in process by eliminating the unnecessary early start of …
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The application of Just-In-Time techniques to small to medium sized manufacturing companies
… delivery of purchased parts. And finally, a pull system should be installed. All of these measures aim at reducing waste and increasing plant flexibility and productivity. Although the understanding of the principles behind JIT is simple; its application in practice is difficult. To compound …
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Simulation study of a kanban-controlled production system
… of JIT and have been extremely successful. JIT systems typically employ kanbans as a means of inventory control. A JIT system operating under kanban control is commonly termed as a "pull system" due to the way in which succeeding stages trigger production at preceding stages. Owing to this close …
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Optimizing lot sizes and establishing supermarkets in a multi-part, limited-capacity manufacturing system
… production scheduling, and lot sizing that the system's capacity could not handle, causing frequent occurrence of redundant part setups and enabling delays in turning and milling which cascaded to downstream processes. This thesis addresses the latter problem by implementing optimized lot sizing …
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World class manufacturing during prototyping for production
… integrating Enterprise Resource Planning (ERP) system, developing standard operating procedures, continually improving processes and adapting facility layouts, along with assessing ergonomic factors. The management team selected a modular assembly which allowed uncoupling workstations, …
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Late Quaternary palaeoenvironments and Middle-Late Stone Age habitat preferences in the Nakuru-Naivasha Basin, Kenya: phytolith-based evidence from the site of Prospect Farm
… climate is hypothesised to have created a ‘push-pull’ system in which repeated fragmentation, isolation, and expansion of populations occurred, allowing diversity to arise. Competing Middle Stone Age (MSA) behavioural-ecological models disagree in respect to their conceptualization of the nature …