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 78 for “"Design of Experiments (DOE)"”.
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Corporate decision analysis : an engineering approach
… their potential solutions deal with the behavior of systems. Since systems can be studied with experiments, we use Design of Experiments (DOE) to understand the behavior of systems within which decisions are made and to estimate the consequences of candidate decisions as scenarios. The experiments …
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Statistical Methods for Reliability Data from Designed Experiments
… Industrial statisticians have been planning experiments for years to improve product quality and reliability. However, rarely do experts in the field of reliability have expertise in design of experiments (DOE) and the implications that experimental protocol have on data analysis. …
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Operational energy/operational effectiveness investigation for scalable Marine expeditionary brigade forces in contingency response scenarios
… associated with force scale alternatives of a Special Purpose Marine Air Ground Task Force (SPMAGTF) unit operating in the West Africa Area of Responsibility (AOR). A Title 10 war games evolution was elaborated to support a robust operational concept. A Model Based Systems Engineering …
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Investigation of operating parameters in a vertical stirred mill
Due to the depletion of coarser grained ores, more mineralogically complex ores are being treated. These complex ores usually have finer grained valuable minerals. Liberation of these finer grained valuable minerals lies in grinding finer. Grinding to these fine sizes is energy intensive and using …
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Statistical control and design optimization in slitting process
… is the defect waste in slitting process which does not meet the single pack width and crease-to-edge width requirements. It is the highest contributor to the overall defect waste in slitting process at Company X Jurong (CXJ). To address this problem, the key input and output variables were …
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Process optimization of plastic injection molding for minimal residual stress
… by minimizing the dimensional instability of a critical feature. It documents the steps taken by a development team at the Visteon facility in Belfast, Northern Ireland to apply Design of Experiments (DOE) in process research for the production of a plastic throttle body. The team …
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Enhancing Roll Form Bending Processes through Experimentation and Informed Predictive Analysis: A Strategic Approach to Optimize Tooling
… process where metal strips pass through a series of rolls to achieve a specific cross-sectional profile. This technique is crucial in the automotive industry for producing high-strength, lightweight components with precision, consistency, and cost-effectiveness. This project aims to optimize …
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Application of Model-Based Systems Engineering (MBSE) to compare legacy and future forces in Mine Warfare (MIW) missions
… expected mine countermeasures (MCM) performance of the Avenger class MCM ship (MCM 1), landing helicopter deck (LHD) support ship, and MH-53E helicopter legacy systems and Increment 1 of the littoral combat ship (LCS) and MH-60S helicopter future systems. The study focused on two measures of …
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Optimum design and machining parameters of a permanent magnet brushless DC linear motor as a CNC feed drive
… postprocessor to provide performance output of a PMBDCLM and DC servomotor. Based on the developed FEA models, velocity results have been utilized to provide feedrate levels for design of experiments (DOE). DOE has been conducted to provide force, tolerance, and surface finish data necessary …
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Optimization of thermoplastic composite manufacturing with digital process intelligence
… manufacturing. However, the relative nascency of thermoplastic composites and their complex production means optimal manufacturing parameters are not well characterized. Processes are often developed through trial-and-error with limited understanding of the underlying drivers of material …
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System variation analysis of MIG welded aluminum structural frames
… modeling approach is explored with an example of a complex assembly of aluminum extrusions and castings welded into a structural frame. By making use of modeling techniques such as Finite Element Analysis (FEA) and Design of Experiments (DOE), it can be shown how this method can also be applied …
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Advanced composites using non-autoclave processes: manufacturing and characterization
<p>"The objective of the present study is to develop non-autoclave processes to manufacture high performance composites for aerospace applications. In Paper 1, vacuum assisted resin transfer molding (VARTM) process was developed for elevated temperature composites. Use of VARTM process for …
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Buffer optimization and robust design studies in asynchronous assembly systems using design of experiments approach
… concentrates on the buffer specification problem of the design of asynchronous assembly systems (AAS). The objectives of the research are to determine an optimal area of buffers and to design AAS that are robust to noise factors. In order to determine an optimal area of buffers in which the …
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Topical Clear Aqueous Nanomicellar Formulations for Age-Related Macular Degeneration
Disorders affecting the posterior segment of eyes represent a significant burden to healthcare and patients’ wellbeing. Among the back of the eye disorders, age-related macular degeneration (AMD) is one of the major ailments responsible for blindness worldwide. There is currently no effective …
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Analysis of costs and delivery intervals for multiple-release software
Project managers of large software projects, and particularly those associated with Internet Business-to-Business (B2B) or Business-to-Customer (B2C) applications, are under pressure to capture market share by delivering reliable software with cost and timing constraints. An earlier delivery time …
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Σχεδιασμός και Ανάπτυξη Πολυμερικών Νανοφορέων για Διαδερμική Χορήγηση Φαρμακολογικά Δραστικών Ουσιών
… μέσω εφαρμογής Πειραματικού Σχεδιασμού (Design of Experiments – DoE). Ως ανεξάρτητες μεταβλητές επιλέχθηκαν ο χρόνος υπερήχησης, η θερμοκρασία και ο όγκος παρτίδας, ενώ ως αποκρίσεις αξιολογήθηκαν η αθροιστική ποσότητα διαπέρασης της λιδοκαΐνης μέσω μεμβράνης Strat-M® σε κύτταρα διάχυσης …
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Executive decision making processes and outcomes : structure and robustness
… because future events may change the effect of a particular decision or series of decisions. This thesis explores the possibility of applying robust engineering design techniques to the decision making process in order to limit the effects of changing circumstances. The intent is to identify …
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Process characterization of Electrical Discharge Machining of highly doped silicon
… process is accomplished through the application of high frequency current (typically through a fine wire or some other electrode) to a conductive workpiece. The electrode is physically separated from the workpiece by some small distance and the potential difference is commonly discharged through …
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Scale-up of a high-technology manufacturing startup : improving product reliability through systematic failure analysis and accelerated life testing
Ensuring product reliability is a key driver of success during the scale-up of a high-technology manufacturing startup. Reliability impacts the company image and its financial health, however most manufacturing startups do not have a solid understanding of their product's reliability. The purpose …
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The development and optimisation of novel flow injection analysis methods for GSK
The purpose of this work was to exploit the technology of flow injection (FI) analysis to develop fast, new and automated novel methods for the benefit of the pharmaceutical and consumer healthcare (CH) industry at GSK. Two (general) approaches for optimisation of the method variables have been …
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