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Relevant bibliographies by topics / Stochastic disturbance / Dissertations / Theses

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Dissertations / Theses on the topic 'Stochastic disturbance'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Yang, Jian. "Spatially explicit and stochastic forest landscape model of fire disturbance and succession." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/4174.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2005.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (November 14, 2006) Vita. Includes bibliographical references.

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2

Lin, Xiaohai [Verfasser]. "Robust and Stochastic Model Predictive Control of Linear Systems with Predictable Additive Disturbance : with Application to Multi-Objective Adaptive Cruise Control / Xiaohai Lin." Düren : Shaker, 2020. http://d-nb.info/121347261X/34.

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3

Azarskov, V. N., O. U. Kurganskyi, O. V. Ermolaeva, and G. I. Rudyuk. "Structural Identification Algorithm Based on Results of Multidimensional Nonlinear Stabilization Plant Test." Thesis, Kyiv, "Osvita Ukrainy", 2015. http://er.nau.edu.ua/handle/NAU/28365.

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4

Mailhot, Nathaniel. "Pupil Tracking and Control of a Laser Based Power System for a Vision Restoring Retinal Implant." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/38709.

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For elderly Canadians, the prevalence of vision impairment caused by degenerative retinal pathologies, such as age-related macular degeneration and retinitis pigmentosa, is at an occurrence rate of 14 percent, and on the rise. It has been shown that visual function can be restored by electrically stimulating intact retinal tissue with an array of micro-electrodes with suitable signals. Commercial retinal implants carrying such a micro-electrode array achieve this, but to date must receive power and data over copper wire cable passing through a permanent surgical incision in the eye wall

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5

Nauclér, Peter. "Estimation and Control of Resonant Systems with Stochastic Disturbances." Doctoral thesis, Uppsala University, Department of Information Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8688.

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<p>The presence of vibration is an important problem in many engineering applications. Various passive techniques have traditionally been used in order to reduce waves and vibrations, and their harmful effects. Passive techniques are, however, difficult to apply in the low frequency region. In addition, the use of passive techniques often involve adding mass to the system, which is undesirable in many applications.</p><p>As an alternative, active techniques can be used to manipulate system dynamics and to control the propagation of waves and vibrations. This thesis deals with modeling, estimat

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Toräng, Per. "Pollinators, Enemies, Drought, and the Evolution of Reproductive Traits in Primula farinosa." Doctoral thesis, Uppsala universitet, Växtekologi och evolution, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8207.

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In this thesis, I combined comparative and experimental approaches to examine selection on reproductive traits and population differentiation in the insect-pollinated, self-incompatible, perennial herb Primula farinosa. More specifically, I (1) determined whether the effects of floral display and interactions with pollinators and seed predators, and plant reproductive success were frequency-dependent and affected by surrounding vegetation context, (2) examined the consequences of intermittent drought years on population dynamics using numerical simulations based on demographic data collected o

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7

Mense, Jelte Pierc. "New general mechanistic model for predicting civil disturbances and their characteristics." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28763.

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Since the wave of civil violence in the USA in the 1960s, many social theorists have tried to explain why riots occur. Despite at least 50 years of research since then, there is still not enough insight to anticipate large events like the 2011 Arab Spring and London riots. The main goal of this thesis is therefore to improve understanding about how underlying conditions influence and drive riot dynamics, such as the intensity, spread, and duration. I develop a new mechanistic and stochastic agent-based model for riots. Previous models have either only targeted general phenomena associated with

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8

Wiltshire, Richard Andrew. "Analysis of distrubances in large interconnected power systems." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/35773/1/Richard_Wiltshire_Thesis.pdf.

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World economies increasingly demand reliable and economical power supply and distribution. To achieve this aim the majority of power systems are becoming interconnected, with several power utilities supplying the one large network. One problem that occurs in a large interconnected power system is the regular occurrence of system disturbances which can result in the creation of intra-area oscillating modes. These modes can be regarded as the transient responses of the power system to excitation, which are generally characterised as decaying sinusoids. For a power system operating ideally these

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9

Беляев, А. В., та A. V. Belyaev. "Анализ стохастических моделей живых систем с дискретным временем : магистерская диссертация". Master's thesis, б. и, 2020. http://hdl.handle.net/10995/87578.

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Работа содержит исследования трех моделей живых систем с дискретным временем. В первой главе рассматривается одномерная модель нейронной активности, задаваемая кусочно-гладким отображением. Показывается, что в случае одномерного отображения наличие случайного возмущения приводит к появлению всплесков (спайкингу). Исследуются два механизма генерации спайков, вызванных добавлением случайного возмущения в один из параметров. Иллюстрируется, что сосуществование двух аттракторов является не единственной причиной возникновения спайкинга. Для прогнозирования уровня интенсивности шума, необходимого дл

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10

Tsai, Te-Hsiu, and 蔡德修. "Predictive Disturbance Observer Structure Applied to Stochastic Disturbances of Semiconductor Process." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/dr66uc.

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碩士<br>國立交通大學<br>機械工程系所<br>103<br>Among the run to run (RtR) controllers, the EWMA controller is widely adopted in the semiconductor industry. Most people always use the EWMA controller to deal with various stochastic disturbances. If the disturbance model is known, the parameters of the controller can be optimized for system output variance. However, the system output variance is bigger than white noise, because the EWMA controller is not always the best controller for the purpose of optimized output variance. In this thesis, the predictive disturbance observer (PDOB) as inner loop is designed

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11

Lessard, Robert B. "Spatial and temporal dynamics of forest disturbance: a stochastic simulation model." Thesis, 1998. http://hdl.handle.net/2429/8980.

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Forest systems are made up of a large number of processes interacting in complex spatial and temporal scales. Simulation can be used to study the way processes interact in space and time. A model, which approximates a system of forest growth, forest fire, bark beetle dynamics and harvesting, is constructed to observe spatial and temporal behaviour. System performance is analyzed through a sensitivity analysis of response indicators under different management regimes designed to simulate harvest and fire suppression. Variability between simulated landscapes is averaged to determine trend

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12

Conrod, Matthew. "A simulation/optimization system for modelling timber and old forest under stochastic fire disturbance." Master's thesis, 2011. http://hdl.handle.net/10048/1815.

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Stochastic wildfire disturbance contributes to uncertainty in forest management planning. In this study, a system composed of an optimizing forest estate model nested within a Monte Carlo simulation model of stand replacing fires is used to investigate the impact stochastic fire may have on the achievement of harvest level and old forest area targets. Two different variations of the modelling system are used to test the impact a buffer stock of timber will have on the probability of achieving these indicators targets. Preliminary results suggest that a reduced harvest level may increase the pr

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13

li, lon-Biao, and 李龍鑣. "Design of Discrete-time Sliding Mode Controller base on Optimal Hitting Mode Control Law in the Presence of Stochastic Disturbance." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/16342317036859709184.

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碩士<br>國立臺灣師範大學<br>工業教育學系<br>84<br>Abstract Sliding mode controller within the domain of variable structure control has been developed over thirty years. It applied suitable sliding mode by means of switching the structure of control systems. The system states might be pulled above sliding line (plane). Variable structure controller has very good insensitivity for disturbance or uncertainty system. But when the study uses digital computer to achieve sliding model control , th

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14

Shih, Ying-Jie, and 施英傑. "Fuzzy Controller Design for Stochastic Takagi-Sugeno Fuzzy Model with External Disturbance Subject to Actuator Saturation and H-Infinity Performance Constraints." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/25458069893339163088.

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碩士<br>國立臺灣海洋大學<br>輪機工程學系<br>102<br>In this thesis, a H-Infinity performance constrained fuzzy control approach is investigated for a class of nonlinear stochastic systems subject to actuator saturation. The nonlinear stochastic systems considered in this thesis are represented by Takagi-Sugeno fuzzy models with multiplicative noises. According to H-Infinity performance constraint and actuator saturation, it is shown that the stabilization of multiplicative noised Takagi-Sugeno fuzzy models can be formulated as a convex optimizationproblem subject to linear matrix inequalities. The proposed fuz

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15

Tang, Ching-Hui, and 湯慶輝. "A Solution Approach for Planning Problems under Stochastic Disturbances." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/rqq73e.

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博士<br>國立中央大學<br>土木工程研究所<br>94<br>There are many stochastic factors that will affect the performance of the planning results in a passenger transportation system, such as passenger demands, vehicular travel times and flight delays. Past traditional deterministic models have been established based on the average values of factors such as input to obtain optimal solutions. However, such stochastic factors during the operational stage could have a significant influence on the planning results. An optimal plan might therefore lose its optimality when applied in real world operations where stocha

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16

ZHENG, MING-YAN, and 鄭明燕. "A note on stochastic regression model with heteroscedastic disturbances." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/52500471383934936873.

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17

Karimi, Hadiseh. "Parameter Estimation Techniques for Nonlinear Dynamic Models with Limited Data, Process Disturbances and Modeling Errors." Thesis, 2013. http://hdl.handle.net/1974/8534.

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In this thesis appropriate statistical methods to overcome two types of problems that occur during parameter estimation in chemical engineering systems are studied. The first problem is having too many parameters to estimate from limited available data, assuming that the model structure is correct, while the second problem involves estimating unmeasured disturbances, assuming that enough data are available for parameter estimation. In the first part of this thesis, a model is developed to predict rates of undesirable reactions during the finishing stage of nylon 66 production. This model has t

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18

Varziri, M. Saeed. "Parameter estimation in nonlinear continuous-time dynamic models with modelling errors and process disturbances." Thesis, 2008. http://hdl.handle.net/1974/1248.

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Model-based control and process optimization technologies are becoming more commonly used by chemical engineers. These algorithms rely on fundamental or empirical models that are frequently described by systems of differential equations with unknown parameters. It is, therefore, very important for modellers of chemical engineering processes to have access to reliable and efficient tools for parameter estimation in dynamic models. The purpose of this thesis is to develop an efficient and easy-to-use parameter estimation algorithm that can address difficulties that frequently arise when estimat

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19

Halim, Siana [Verfasser]. "Spatially adaptive detection of local disturbances in time series and stochastic processes on the integer lattice Z2 / Siana Halim." 2005. http://d-nb.info/976445271/34.

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20

Екатеринчук, Е. Д., та E. D. Ekaterinchuk. "Анализ стохастических аттракторов модели Ферхюльста с запаздыванием : магистерская диссертация". Master's thesis, 2015. http://hdl.handle.net/10995/36212.

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We investigate attractors of the Verhulst model with delay under the influence of random perturbations. In this work, we study dynamic regimes and bifurcations for the deterministic discrete model in zones of stable equilibria, closed invariant curves and discrete cycles. Here, a stability level of attractors is studied by Lyapunov exponents. Transformations of the closed invariant curve that appears as a result of Neimark-Sacker bifurcation, were analyzed via the rotation number and angular density. A parametric analysis of stochastically forced regular attractors of this model is perform

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