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 92 for “"Full Factorial"”.
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Assessment of adaptive one-factor-at-a-time method vs. fractional factorial methods using reconfigurable paper aircraft
… methods outperform more commonly used fractional factorial methods. This study sought to corroborate these claims by analyzing a case study of a real-life experiment. A full factorial experiment was conducted to collect data for simulations of fractional factorial and adaptive one-factor-at-a-time …
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Improving Response Characteristics of Split Ring Resonators Using Experimental Designs
… interactions, and the curvature effects. A full factorial design and a central composite design is utilized for the study. The results in improving split ring resonator design are discussed.</p> <p>This study shows that the design of experiments approaches can effectively be utilized to …
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The Effect of Process Parameters and Surface Condition on Bond Strength between Additively Manufactured Components and Polymer Substrates
… the framework of additive manufacturing (AM). A full factorial design of experiments with five replications was conducted on two levels and three factors, viz., layer thickness, surface roughness, and raster angle to examine the underlying effects on bond strength. Analysis of variance (ANOVA) …
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Design of Experiments in an Industrial Setting
… and Shainin is provided. Also, a series of full factorial experiments were conducted at a manufacturing company. These experiments were run for three different machining operations using two different types of tools. The data analysis provides information on determining the optimal …
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Microtribodynamics of Sub-Five Nanometers Flying Head -Disk Interfaces in Magnetic Storage
… to adhesion were established by performing a 33 full factorial design-of-experiment. The more complicated issue of the presence of both adhesive and friction forces at the interface was investigated using a proposed 2-degree-of-freedom dynamic model. Based on the results, design guidelines were …
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Interplanetary trajectory analysis for 2020-2040 Mars missions including Venus flyby opportunities
… for Earth-Mars and Mars-Earth trajectories by a full-factorial computation, we discuss the nature of the trajectories and the competitiveness of Earth-Venus-Mars flyby trajectory windows with Earth-Mars direct trajectory windows.
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Development of efficient experimental strategies for the cryopreservation of problematic tropical rain forest tree germplasm
… variety of single and mixed-level traditional 'full factorial’ experiments are performed to cryopreserve tropical rainforest seed germplasm from orthodox, intermediate and recalcitrant species. Novel statistical analyses including stepwise and binary logistic regression techniques are used in …
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Optimization of inversion ankle taping: A Taguchi method based study
… variables are studied simultaneously with a factorial DOE approach or method. One such method is the Taguchi Method (TM), which is a robust industrial engineering optimization DOE method developed by Dr. Genichi Taguchi in post WWII Japan. The TM was created for the purpose of developing a …
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Optimization of ligament parameters on a subject-specific computational human knee model in a dynamic knee simulator using design of experiments
… walk cycle were compared in a two level partial factorial design and a three level full factorial design and the ligament parameters were optimized based on the kinematic RMS error. The resulting parameter values are 80% of the experimentally derived zero load length values, 99.71% of the …
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Supercritical water gasification of waste residues
… was analyzed by gas chromatography and a 22 full factorial was performed to identify the effects of the process variables on each component of the gaseous product. The three process variables explored in this investigation are emulsification of motor oil with water, residence time and, inlet …
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Production of Renewable Diesel Fuel via Hofer-Moest Decarboxylation of Free Fatty Acids
… pure oleic acid is $0.383. From analysis of a full factorial design of experiment, higher ion concentrations and lower temperatures optimize the production rate and current efficiency of the reaction, while a maximal percentage of hydrocarbons are produced in neutral solutions. In comparison to …
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Effect of alkali treatment conditions optimization on kenaf fiber polyester composite characterization
… this work. It was three factors at three levels full factorial design for evaluating the kenaf fiber mechanical properties characterization and Response Surface Methodology (RSM) for determining the optimum alkali treatment conditions on kenaf polyester composite mechanical properties …
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Use of Aloe vera and Aloe marlothii materials as excipients in beads produced by extrusion–spheronization
… beads prepared by extrusion spheronisation. A 2³ full factorial design was employed for optimisation and to explore the effects of the concentration of MCC, polyvinylpyrrolidone and aloe materials on the sphericity and release rate of ketoprofen. Scanning electron microscopy revealed more porous …
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Anti-Rotation Load Leg Effects on Crash Injury Metrics Under Child Restraint System Misuse
… which replicates a more severe crash pulse. A full factorial 23 design of experiments (DOE) with no replication was executed to assess the effects of three categorical factors: load leg use, seat installation tightness, and harness tightness, yielding eight unique configurations per test …
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Sviluppo di biosensori: modifiche di superfici elettrodiche e sistemi di immobilizzazione enzimatica
… the basis of the results from this screening, a full factorial design was carried out, taking into account only enzyme concentration and Ni/Al molar ratio of the electrosynthesis solution. A full factorial design was performed to study linear interactions between factors and their quadratic …
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Multi-scale investigations of the Resistance to helium embrittlement with Direct Energy Deposited Inconel 718
… Steel, followed up with 2-Factor, 3 Level full factorial experiments with Inconel 718 was conducted to understand the input parameters for engineering nanoporosity. In-situ ion irradiation TEM was conducted to analyze the helium bubble kinetics in real time at the nanoscale and ex-situ ion …
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Pulse rate, pulse pattern, and onset distance effects on subject braking responses while using an auditory collision warning signal
… tracking task. Phase two consisted of a full factorial experiment which examined the performance effects caused by pulse rate range, pulse pattern, and onset distance manipulations. The experimental task required subjects to monitor an auditory warning system while simultaneously …
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Effect of silicon carbide (SiC) on mechanical and physical properties of solid state recycled aluminium aa6061 by using hot extrusion method
… by hot extrusion method. This study employed full factorial 23 design experiments that should satisfy the two operating temperature (T) of 450°C and 550°C, with two preheating time (t) of 1 hour and 3 hour reinforced with two volume fraction of silicon carbide (SiC) of 5 wt.% and 15 wt.%. …
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Quantifying technology infusion and policy impact on low earth orbit communication satellite constellations
… trade space is generated by the model using a full-factorial run that covers the entire design space. To simulate technology infusion, technical and cost attributes of four new technologies are quantified and infused into the system model. The infusion of technologies and combinations of …
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Assessing the technical, economic and policy-centered feasibility of a proposed satellite communication system for the developing world
… is generated by the simulation model using a full-factorial run that probes the entire design space. The application of choice is short messaging services (SMS), chosen for its ability to provide proven connectivity at moderate costs. The capacity and cost of the most ideal Pareto architecture …
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