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 196 for “"simulation experiments"”.
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Combined correlation induction strategies for designed simulation experiments
… of interest through a controlled laboratory-like simulation experiment. This research concentrates on correlation methods of VRTs which include common random numbers, antithetic variates and control variates. The basic idea of these methods is to utilize the linear correlation either between the …
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Robust parameter optimization strategies in computer simulation experiments
An important consideration in computer simulation studies is the issue of model validity, the level of accuracy with which the simulation model represents the real world system under study. This dissertation addresses a major cause of model validity problems: the dissimilarity between the …
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Selection of pure error generators for simulation experiments
To reduce the variance of metamodel coefficients, simulation analysts often advocate the use of correlation induction strategies. Under certain conditions, these strategies have been shown to reduce the variance of metamodel coefficients without producing significant bias in the coefficient …
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The use of correlated simulation experiments in response surface optimization
… framework for the optimization of stochastic simulation models. The sequential experimentation and model fitting procedures of RSM enable prediction of the response and location of the optimum operating conditions. In a simulation environment, the experimentation phase of RSM involves …
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LASSO-OPTIMAL SUPERSATURATED DESIGN AND ANALYSIS FOR FACTOR SCREENING IN SIMULATION EXPERIMENTS
Complex systems such as large-scale computer simulation models typically involve a large number of factors. When investigating such a system, screening experiments are often used to sift through these factors to identify a subgroup of factors that most significantly influence the interested …
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A Dual Metamodeling Perspective for Design and Analysis of Stochastic Simulation Experiments
… and engineering, the development of stochastic simulation metamodeling methodologies has gained momentum in recent years. A majority of the existing methods, such as stochastic kriging (SK), only focus on efficiently metamodeling the mean response surface implied by a stochastic simulation …
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Plasma confinement optimization of the versatile toroidal facility for ionospheric plasma simulation experiments
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1991.
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Statistical analysis and validation procedures under the common random number correlation induction strategy for multipopulation simulation experiments
… are illustrated with an example of a hospital simulation study.
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Statistical analysis under the Schruben-Margolin correlation induction strategy in the absence of pure error
To facilitate the design of efficient simulation experiments, Schruben and Margolin (1978) recommend a correlation induction strategy for orthogonally blockable experimental designs. The objective of such experiments is to estimate a general linear regression model on the basis of a quantitative …
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Effects of water treatment on pesticides in freshwaters.
… supplies in Grampian Region. Laboratory based simulation experiments were set up to determine the removal of chlorphenoxyalkanoic acid, substituted urea and benzonitrile herbicides from freshwaters. These simulation experiments included filtration using various natural materials (sand, clay and …
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MyView: Customizable Automatic Visual Space Management for Multi-Stream Environment
… to evaluate our solution. Results from both simulation experiments and user study have confirmed the functional correctness and usability of the MyView framework.
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Algorithms for Efficient Utilization of Wireless Bandwidth and to Provide Quality-of-Service in Wireless Networks
… by developing analytical formulations and simulation experiments. Finally we present an admission control algorithm which uses an adaptive delay computation algorithm to compute the queuing delay for each class of traffic and adapts the service rate and the reliability in the estimates …
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Efficient Design Of Biological Experiments For Dose-Response Modeling In Nanomaterial Toxicology Studies
… optimum design procedure in nanotoxicology with simulation experiments. The proposed design method adopts suitable nonlinear dose response curve and non-constant variance model in experimental modeling, which more adequately represents the desirable properties of bioassay-experiment. A multiple …
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Inverse optimal control for deterministic continuous-time nonlinear systems
… the performance of these methods by performing simulation experiments using a collection of nominal system models. We compare the robustness of these methods by analyzing how they perform under perturbations to the system. We consider two scenarios: one in which we exactly know the set of basis …
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RESONANT: Reinforcement Learning Based Moving Target Defense for Detecting Credit Card Fraud
… in the CCF detection contexts. Via extensive simulation experiments, we investigate the performance of our proposed RESONANT against that of the existing state-of-the-art counterparts in terms of the mean and variance of detection accuracy and attack success ratio to measure the defensive …
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Multi-Agent Path Finding Per Partes: Automatic Warehouses
… is implemented and tested in a realistic simulation. Experiments assess the feasibility and performance of the approach across a broad spectrum of team sizes and partition counts.
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ABAQUS simulation and optimization of PMMA hot embossing process
… diagnosis system is designed and tested with the simulation experiments of the hot embossing model.
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Influence of traffic complexity and schedule flexibility on railway classification yard capacity and mainline performance
… was introduced. An original exploratory simulation model of a hypothetical yard operation was developed and used to create a yard capacity constraint involving railcar volume, number of blocks, and number of outbound trains. Traffic complexity and schedule flexibility in hump …
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Modelling the mesoscale variability in the greater Agulhas Current system using hybrid coordinate Ocean model
… With the goal of providing an accurate simulation of the greater Agulhas Current system, and in particular its mesoscale variability, a high resolution Hybrid Coordinate Ocean Model is set up in a nested configuration. In two 11 year simulation experiments, the effect of a higher order …
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Analysis of adaptive reactive control systems for autonomous mobile robots
… are developed and analysed. Quantitative simulation experiments measuring the performance of each control system are presented along with a new algorithm for developing topological maps of the environment from laser range-finder sensory information.
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