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Dissertations / Theses on the topic 'Linear quadratic theory'

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1

Mouadeb, Abdu-Nasser R. "Extension of linear quadratic regulator theory and its applications." Thesis, University of Ottawa (Canada), 1992. http://hdl.handle.net/10393/7535.

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Linear Quadratic Regulatory theory (L.Q.R.) has received widespread application due to its simplicity and also due to the fact that the control provided this by theory is linear in form. These features make the implication of feedback control and easy task. In contrast, nonlinear regulation lack those attractive features enjoyed by the linear regulator. Moreover, in order to obtain the feedback control, one has to solve Hamilton-Jacobi-Bellman equation which is not an easy task. Also, if solution can be obtained, implementation is not always practical. In this work, we extend the Linear Quadra
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2

Shen, Dan. "Nash strategies for dynamic noncooperative linear quadratic sequential games." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1156434869.

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3

Fry, Jedediah Micah. "On Integral Quadratic Constraint Theory and Robust Control of Unmanned Aircraft Systems." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/102615.

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This dissertation advances tools for the certification of unmanned aircraft system (UAS) flight controllers. We develop two thrusts to this goal: (1) the validation and improvement of an uncertain UAS framework based on integral quadratic constraint (IQC) theory and (2) the development of novel IQC theorems which allow the analysis of uncertain systems having time-varying characteristics. Pertaining to the first thrust, this work improves and implements an IQC-based robustness analysis framework for UAS. The approach models the UAS using a linear fractional transformation on uncertainties an
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4

Wahl, Eric J. "The effect of damping on an optimally tuned dwell-rise-dwell cam designed by linear quadratic optimal control theory." Ohio : Ohio University, 1993. http://www.ohiolink.edu/etd/view.cgi?ohiou1176312992.

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5

Doruk, Resat Ozgur. "Missile Autopilot Design By Projective Control Theory." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/4/1089929/index.pdf.

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In this thesis, autopilots are developed for missiles with moderate dynamics and stationary targets. The aim is to use the designs in real applications. Since the real missile model is nonlinear, a linearization process is required to get use of systematic linear controller design techniques. In the scope of this thesis, the linear quadratic full state feedback approach is applied for developing missile autopilots. However, the limitations of measurement systems on the missiles restrict the availability of all the states required for feedback. Because of this fact, the linear quadratic design
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6

Wild, Marcel Wolfgang. "Dreieckverbande : lineare und quadratische darstellungstheorie." Thesis, University of Zurich, 1987. http://hdl.handle.net/10019.1/70322.

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Prof. Marcel Wild completed his PhD with Zurick University and this is a copy of the original works<br>The original works can be found at http://www.hbz.uzh.ch/<br>ABSTRACT: A linear representation of a modular lattice L is a homomorphism from L into the lattice Sub(V) of all subspaces of a vector space V. The representation theory of lattices was initiated by the Darmstadt school (Wille, Herrmann, Poguntke, et al), to large extent triggered by the linear representations of posets (Gabriel, Gelfand-Ponomarev, Nazarova, Roiter, Brenner, et al). Even though posets are more general than lattices,
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7

Flores, Callisaya Hector 1980. "Empacotamento em quadráticas." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/307468.

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Orientador: José Mario Martínez Pérez<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Matemática, Estatística e Computação Científica<br>Made available in DSpace on 2018-08-20T05:08:42Z (GMT). No. of bitstreams: 1 FloresCallisaya_Hector_D.pdf: 2324904 bytes, checksum: e15e7624ccad0fdf64ce3c4d8095c20a (MD5) Previous issue date: 2012<br>Resumo: Neste trabalho, serão propostos modelos matemáticos para problemas de empacotamento não reticulado de esferas em regiões limitadas por quadráticas no plano e no espaço. Uma técnica para construir representações ou parametrizações s
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8

Troschke, Sven-Oliver. "Enhanced approaches to the combination of forecasts : univariate linear plus quadratic and multivariate linear methods /." Lohmar [u. a.] : Eul, 2002. http://www.gbv.de/dms/zbw/358295025.pdf.

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9

Mörhed, Joakim, and Filip Östman. "Automatic Parking and Path Following Control for a Heavy-Duty Vehicle." Thesis, Linköpings universitet, Reglerteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-144496.

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The interest in autonomous vehicles has never been higher and there are several components that need to function for a vehicle to be fully autonomous; one of which is the ability to perform a parking at the end of a mission. The objective of this thesis work is to develop and implement an automatic parking system (APS) for a heavy-duty vehicle (HDV). A delimitation in this thesis work is that the parking lot has a known structure and the HDV is a truck without any trailer and access to more computational power and sensors than today's commercial trucks. An automatic system for searching the pa
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10

SANTOS, Watson Robert Macedo. "Metodos para Solução da Equação HJB-Riccati via Famíla de Estimadores Parametricos RLS Simplificados e Dependentes de Modelo." Universidade Federal do Maranhão, 2014. http://tedebc.ufma.br:8080/jspui/handle/tede/1892.

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Submitted by Maria Aparecida (cidazen@gmail.com) on 2017-09-04T13:42:58Z No. of bitstreams: 1 Watson Robert.pdf: 2699368 bytes, checksum: cf204eec3df50b251f4adbbbd380ffd0 (MD5)<br>Made available in DSpace on 2017-09-04T13:42:58Z (GMT). No. of bitstreams: 1 Watson Robert.pdf: 2699368 bytes, checksum: cf204eec3df50b251f4adbbbd380ffd0 (MD5) Previous issue date: 2014-08-21<br>Due to the demand for high-performance equipments and the rising cost of energy, the industrial sector is developing equipments to attend minimization of the theirs operational costs. The implementation of these requirement
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11

Franksson, Rikard. "Private Equity Portfolio Management and Positive Alphas." Thesis, KTH, Matematisk statistik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-275666.

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This project aims to analyze Nordic companies active in the sector of Information and Communications Technology (ICT), and does this in two parts. Part I entails analyzing public companies to construct a valuation model aimed at predicting the enterprise value of private companies. Part II deals with analyzing private companies to determine if there are opportunities providing excess returns as compared to investments in public companies. In part I, a multiple regression approach is utilized to identify suitable valuation models. In doing so, it is revealed that 1-factor models provide best st
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12

Gladkikh, Egor. "Optimisation de l'architecture des réseaux de distribution d'énergie électrique." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT055/document.

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Pour faire face aux mutations du paysage énergétique, les réseaux de distribution d'électricité sont soumis à des exigences de fonctionnement avec des indices de fiabilité à garantir. Dans les années à venir, de grands investissements sont prévus pour la construction des réseaux électriques flexibles, cohérents et efficaces, basés sur de nouvelles architectures et des solutions techniques innovantes, adaptatifs à l'essor des énergies renouvelables. En prenant en compte ces besoins industriels sur le développement des réseaux de distribution du futur, nous proposons, dans cette thèse, une appro
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13

Khansah, Hael. "Sur la commande de systèmes non linéaires par gains robustes séquencés." Phd thesis, Université Paul Sabatier - Toulouse III, 2007. http://tel.archives-ouvertes.fr/tel-00168054.

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Dans ce travail, nous avons développé une approche systématique traitant un problème particulier dans le domaine de la commande non linéaire. Il concerne le fait d'assurer une transition stable entre deux points opérationnels d'un système non linéaire. Cette approche emploie la stratégie de séquencement de gain et la notion d'incertitude bornée en norme pour approximer un système non linéaire à travers une famille de systèmes linéaires incertains à incertitude bornée en norme. Autour d'un ensemble de points d'équilibre, des lois de commande locale sont déterminées en garantissant quelques spéc
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14

"Stochastic indefinite linear-quadratic optimal control." 2000. http://library.cuhk.edu.hk/record=b6073252.

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by Chen Xi.<br>"July 2000."<br>Thesis (Ph.D.)--Chinese University of Hong Kong, 2000.<br>Includes bibliographical references (p. 107-112).<br>Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Mode of access: World Wide Web.<br>Abstracts in English and Chinese.
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15

"Cardinality constrained discrete-time linear-quadratic control." 2005. http://library.cuhk.edu.hk/record=b5892706.

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Gao Jianjun.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2005.<br>Includes bibliographical references (leaves 75-76).<br>Abstracts in English and Chinese.<br>Chapter 1 --- Introduction --- p.1<br>Chapter 2 --- Solution Framework Using Dynamic Programming --- p.7<br>Chapter 2.1 --- Difficulty of using dynamic programming --- p.8<br>Chapter 2.2 --- Scalar-state problems --- p.12<br>Chapter 2.3 --- Time-invariant system --- p.17<br>Chapter 2.4 --- Illustrative example of a scalar-state problem --- p.21<br>Chapter 3 --- Cardinality Constrained Quadratic Optimization --- p.26<br>Ch
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16

Kammer, Leonardo Cesar. "Performance monitoring and assessment of optimality under a linear quadratic criterion." Phd thesis, 1998. http://hdl.handle.net/1885/143763.

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17

Li-Feng, Tsai, and 蔡禮豐. "Robust Control System Design Using Quantitative Feedback Theory and Linear Quadratic Gaussian / Loop Transfer Recovery Technique." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/31901064091071082601.

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碩士<br>國立海洋大學<br>機械與輪機工程學系<br>89<br>Abstract Linear Quadratic Gaussian / Loop Transfer Recovery (LQG/LTR) technique and Quantitative Feedback Theory technique (QFT) are adopted to design robust controllers for a control system which is subject to parameter uncertainty . Experimental tests and simulations are performed on an inverted pendulum servo system with different pendulums . The results show that the compensated system works well with both controllers designed under nominal condition . However , when parameter changes , only the QFT controller works. In addition ,
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18

Delpish, Ayesha Nneka Niu Xu-Feng. "A comparison of estimators in hierarchical linear modeling restricted maximum likelihood versus bootstrap via minimum norm quadratic unbiased estimators /." 2006. http://etd.lib.fsu.edu/theses/available/06262006-100559.

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Thesis (Ph. D.)--Florida State University, 2006.<br>Advisor: Xu-Feng Niu, Florida State University, College of Arts and Sciences, Dept. of Statistics. Title and description from dissertation home page (viewed Sept. 18, 2006). Document formatted into pages; contains ix, 116 pages. Includes bibliographical references.
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19

"On cardinality constrained optimization." Thesis, 2009. http://library.cuhk.edu.hk/record=b6074943.

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Although cardinality constraints naturally arise in many applications, e.g., in portfolio selection problems of choosing small number of assets from a large pool of stocks or dynamic portfolio selection problems with limited trading dates within a given time horizon and in subset selection of the regression analysis, the state-of-the-art in cardinality constrained optimization has been stagnant up to this stage, largely due to the inherent combinatorial nature of such hard problems. We focus in this research on developing efficient and implementable solution algorithms for cardinality constrai
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20

Guerra, Rita Catarina Correia. "Generalizations of the Fourier transform and their applications." Doctoral thesis, 2019. http://hdl.handle.net/10773/29813.

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In this thesis, we consider a new generalization of the Fourier transform, depending on four complex parameters and all the powers of the Fourier transform. This new transform is studied in some Lebesgue spaces. In fact, taking into account the values of the parameters of the operator, we can have very different kernels and so, the corresponding operator is studied in different Lebesgue spaces, accordingly with its kernel. We begin with the characterization of each operator by its characteristic polynomial. This characterization serves as a basis for the study of the forthcoming propert
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