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 22 for “"parameter sensitivity analysis"”.
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Assessment of Morphology and Hemodynamics in Normal and Remodeled Microvasculature with Parameter Sensitivity Analysis
… and remodeled microcirculatory networks. The analysis revealed that the average individual vessel flow rates for vessels of similar caliber and total volumetric flow rates in the networks do not change for vessels of the same caliber after remodeling. Connectivity changes and average diameters …
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Improvement of Anti-Lock Braking Algorithms Through Parameter Sensitivity Analysis and Implementation of an Intelligent Tire
… has been optimized by performing a threshold sensitivity analysis. The results show a definite improvement in control system strategy having known information at the tire contact patch.
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Advanced Methods for Defect Engineering in Silicon
… utilizes rigorous system-based methods including parameter sensitivity analysis and maximum a posteriori (MAP) estimation to refine model parameters.
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A Systems Approach to the Modeling and Control of Molecular, Microparticle, and Biological Distributions
… simulation algorithm development, parameter sensitivity analysis, parameter estimation, model validation, optimal control formulation, and worst-case and distributional robustness analysis. Free radical bulk polymerization is the model system for molecular distributions. In situ …
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Parametric Design and Optimization of an Upright of a Formula SAE car
… structural optimization utilizing finite element analysis and response surfaces to minimize the weight of the upright. Various constraints such as frequency, stress, displacement, and fatigue are taken into consideration during this optimization process. A parametric finite element model of the …
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Sensitivity and uncertainty analysis in hydrological modeling: a case study of South Chickamauga Creek watershed using BASINS/HSPF
Sensitivity and uncertainty analyses are crucial for the quality control and application of hydrological models in water resources management. While sensitivity analysis identifies major input parameters affecting model response, uncertainty analysis evaluates the uncertainty in model predictions. …
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Modeling Phosphorus Transport in a River Under Unsteady Flow Conditions
… size on phosphorus transport. Finally, model parameter sensitivity analysis was carried out within the GLUE framework. Results indicate that the in-stream dynamics of phosphorus can be successfully investigated by the modeling approach.
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CLAIRE: A cloud-based lab for information retrieval
… IR models from scratch as well as from existing parameterized models. It then offers the environment for evaluating these IR models over real-world datasets without having to move around the large- size datasets. With the tightly connected implementation and evaluation phases, CLAIRE further …
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Multiscale Systems Theory With Application to Electrodeposition and Crystallization Process
… A methodology that includes stochastic parameter sensitivity analysis, maximum likelihood parameter estimation, and experimental design was developed for multiscale systems, to obtain a reliable model that is sufficiently accurate for use in robust optimal design and control studies. The …
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Phosphorylation based insulation devices design and implementation
This thesis presents the analysis of a phosphorylation based insulation device implemented in Saccharomyces cerevisae and the minimization of the retroactivity to the input and retroactivity to the output of a single cycle phosphorylation device by means of optimal substrate and phosphatase …
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Parameter robust reduced-order control of flexible structures
… to arrive at two new LQG-based methods of parameter robust control. One component of the robustness procedure, common to both methods, is the application of an auxiliary cost functional penalty to desensitize the system to variations in selected parameters of the state-space model. The …
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An In silico Liver: Model of gluconeogenesis
… substrate uptake, and citric acid cycle. Parameter estimations were performed in order to obtain a set of physiological parameters capable of representing the liver under various combinations of nutrients. Parameter sensitivity analysis was generated to quantify the contribution of each …
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Performance assessment and enhancement of precision controlled structures during conceptual design
… telescopes will extend the resolution and sensitivity offered by their on-orbit and ground-based predecessors. These systems face the challenge of achieving nanometer and milli-arcsecond precision control of stellar light passing through the optical train of a lightweight, flexible …
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Prediction of Laser Ablation In Brain: Sensitivity, Calibration, and Validation
… modeling. The dearth of physical model parameter data leads to modeling uncertainty. This work implements a well-accepted framework with three key steps for model-building: model-parameter sensitivity analysis, model calibration, and model validation.</p> <p>The sensitivity study is via …
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DESIGNING WATERSHED-SCALE STRUCTURAL BEST MANAGEMENT PRACTICES USING EVOLUTIONARY ALGORITHMS TO ACHIEVE WATER QUALITY GOALS
… for this study. The most sensitive model parameters with respect to discharge and sediment yield are identified by a parameter sensitivity analysis. Latin Hypercube Sampling One-at-a-time (LH-OAT), a global sensitivity analysis method, has been adopted for this purpose. SWAT has been …
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An analytical investigation of passive and active suspension systems for articulated freight vehicles
… measured data. A technique, based on covariance analysis, is employed to perform the multi-parameter sensitivity analysis and to design an "optimum" passive suspension. A performance index comprising ride quality, cargo safety, suspension rattle space and dynamic tire forces is formulated to …
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Mathematical and Experimental Analysis of Microbicide Vaginal Gels
… on the mathematical and experimental analysis of microbicide vaginal gels. This document contains an in-depth discussion of the methods taken to satisfy the following engineering goals: 1. An instrument/method for conducting gravity-induced flow experiments and obtaining spreading …
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Methods for Parameter Estimation with Devices in Microgrids
… operation. In such a simulation, one must assign parameter values to the device models, and these parameter values may not be easily known for any number of reasons: lack of manufacturing data, inaccessibility to directly measure or infer such parameters, or safety concerns. Using non-invasive …
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Comparative performance analysis of drives for induction motors
… as fairly as possible by comparing their parameter sensitivities, dynamic responses, and steady-state errors. Different switching techniques are used to show that the motor drive is separate from the switching scheme; changing the switching scheme produces entirely different responses for …
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Stability of tunnels in water saturated shale under cyclic stresses: investigation on the coupling between mechanical and seepage characteristics
… damage model was established, correlating AE parameters with plastic strain rate to predict mechanical parameter degradation, and a critical saturation threshold of tw = 24 h was determined, providing a quantitative basis for engineering damage assessment. 3) Mechanical-Seepage Coupling …
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