Tesi sul tema "Non-linear Control"
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Townsend, Shane Martin Joseph. "Non-linear model predictive control". Thesis, Queen's University Belfast, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301061.
Testo completoNeff, Andrew. "Linear and non-linear control of a quadrotor UAV". Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1181251774/.
Testo completoMhana, Khalid Jalal. "Optimal control of non-linear systems". Thesis, University of Sheffield, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.412720.
Testo completoPechev, Alexandre Nikolov. "Robust linear and non-linear control of magnetically levitated systems". Thesis, Cardiff University, 2004. http://orca.cf.ac.uk/55944/.
Testo completoPetridis, Anthemios Philemon. "Non-linear robust control of S.I. engines". Thesis, University of Liverpool, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399231.
Testo completoHong, Tao. "Non-linear predictive control of chemical processes". Thesis, University of Newcastle Upon Tyne, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245078.
Testo completoBaek, Kwang-Hyun. "Non-linear optimisation problems in active control". Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243131.
Testo completoGanapathy, Annadurai Shathiyakkumar. "Non-Linear Electromechanical System Dynamics". ScholarWorks@UNO, 2014. http://scholarworks.uno.edu/td/1799.
Testo completoYung, K. L. "Microprocessor based non-linear adaptive controller". Thesis, University of Plymouth, 1985. http://hdl.handle.net/10026.1/2492.
Testo completoFontes, Fernando Armenio Da Costa Castro. "Optimisation-based control of constrained non linear systems". Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299453.
Testo completoSyre, Terese Vardenær. "Anti-Slug Control with Non-Linear State Estimation". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for teknisk kybernetikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18378.
Testo completoTan, Woei Wan. "Self-learning neurofuzzy control of non-linear systems". Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364037.
Testo completoNarciso, Diogo Alexandre Cipriano. "Developments in non linear multiparametric programming and control". Thesis, Imperial College London, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511281.
Testo completoDysenius, Hannah. "Non-Linear Automatic Control of Autonomous Lawn Mower". Thesis, Linköpings universitet, Reglerteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-129116.
Testo completoHaynes, Barry P. "A neural network adaptive controller for non-linear systems". Thesis, University of Portsmouth, 1997. https://researchportal.port.ac.uk/portal/en/theses/a-neural-network-adaptive-controller-for-nonlinear-systems(19584462-246e-4de3-9e80-cda4923a38c1).html.
Testo completoCastaneda, Veimar Yobany Moreno. "Transmission line modelling applied to non-linear control systems". Thesis, University of Huddersfield, 2006. http://eprints.hud.ac.uk/id/eprint/17872/.
Testo completoDutka, Arkadiusz Stanisław. "Non-linear identification, estimation and control of automotive powertrains". Thesis, University of Strathclyde, 2005. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=24339.
Testo completoDimopoulos, Konstantinos Panagiotis. "Non-linear control strategies using input-state network models". Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340027.
Testo completoGu, D. W. "Design of non-linear control systems via mathematical programming". Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37714.
Testo completoBenomair, Abdollha. "Non-linear observer based control of magnetic levitation systems". Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/20582/.
Testo completoVaudrey, Michael Allen. "Adaptive Control Methods for Non-Linear Self-Excited Systems". Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/28884.
Testo completoPh. D.
Eaton, Mark Taylor. "Non-linear state estimation and control of emulsion polymerization /". Thesis, Connect to this title online; UW restricted, 1995. http://hdl.handle.net/1773/9901.
Testo completoGodasi, Satyam. "Identification and control of non-linear distributed parameter systems /". For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2002. http://uclibs.org/PID/11984.
Testo completoJia, Feng. "Application of linear and non-linear principal component analysis in multivariate statistical process control". Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311152.
Testo completoVERRELLI, CRISTIANO MARIA. "NON LINEAR CONTROL DESIGN FOR INDUCTION MOTORS AND SYNCHRONOUS GENERATORS". Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2005. http://hdl.handle.net/2108/179.
Testo completoThe thesis incorporates recent advances in the design of nonlinear control laws for induction motors and synchronous generators: robust, adaptive, state or output feedback control techniques are used for both these electro-mechanical systems which are modelled by ¯nite dimensional, deterministic ordinary differential equations and are possibly affected by uncertainties, such as unknown constant and time-varying parameters. Induction motors, which, due to their simpler construction, are more reliable and less expensive than those permanent magnet, switched reluctance and d.c. motors are di±cult to control for several reasons: their dynamics are intrinsically nonlinear and multivariable (two control inputs and two outputs to be controlled); not all of the state variables and not all of the outputs to be controlled may be available for feedback; there are critical uncertain parameters such as load torque, which is typically unknown in all electrical drives, and rotor resistance, which, due to rotor heating, may vary up to 100% during operations. The availability of low cost powerful digital signal processors and advances in power electronics made complex algorithms implementable even for medium- and small-size induction motors, which, in this way, could replace currently used motors provided that high dynamic tracking performance along with highpower efficiency are achieved: this is what motivated intense research efforts in induction motor control design. In analogous way, transient stabilization and voltage regulation for power systems are classically difficult control problems: all the dynamic models which have been developed for a single machine connected to an in¯nite bus show an intrinsic nonlinear nature and, consequently, there are several stable and unstable equilibrium points. Early studies aimed at determining the stability regions of desired operating conditions by means of Lyapunov functions in order to study the effect of perturbations. In fact, sudden mechanical and electrical perturbations may drive the system outside its stability region and force the generator to be disconnected from the network. The transient stabilization and voltage regulation problem consists in the design of an excitation control which keeps the generator speed close to the synchronous speed when perturbations occur (transient stabilization) and regulates the output voltage to the corresponding reference value in the case of permanent constant perturbations (voltage regulation). To this purpose, linear controllers are actually employed which are designed on the basis of linear approximations around operating conditions: only small perturbations and deviations from operating conditions can be handled. It is clear that nonlinear controllers are required to handle the large perturbations that typically occur in power systems. The thesis is divided into two parts: Part I (induction motor) consists of Chapters 2, 3 and 4 while Part II (synchronous generator) consists of Chapters 5 and 6. Chapters 2 and 3 address the problem of controlling a speed-sensorless induction motor: the existence of a global controller is explored in Chapter 2, while a nonlinear adaptive control scheme is developed in Chapter 3. Chapter 4 is devoted to nonlinear control design for a sensorless induction motor: an output feedback control algorithm is proposed. Chapters 5 and 6 address the problem of controlling a synchronous generator with parameter uncertainty: a nonlinear robust adaptive transient stabilizing control is presented in Chapter 5, while Chapter 6 proposes a nonlinear robust adaptive transient stabilizing and output regulating control algorithm.
Korsfeldt, Larsén Alexander. "Non-linear Model Predictive Control for space debris removal missions". Thesis, Luleå tekniska universitet, Rymdteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-72049.
Testo completoKarlsson, Mia. "Control of Unmanned Aerial Vehicles using Non-linear Dynamic Inversion". Thesis, Linköping University, Department of Electrical Engineering, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1519.
Testo completoThis master's thesis deals with the control design method called Non-linear Dynamic Inversion (NDI) and how it can be applied to Unmanned Aerial Vehicles (UAVs). In this thesis, simulations are conducted using a model for the unmanned aerial vehicle SHARC (Swedish Highly Advanced Research Configuration), which Saab AB is developing.
The idea with NDI is to cancel the non-linear dynamics and then the system can be controlled as a linear system. This design method needs much information about the system, or the output will not be as desired. Since it is impossible to know the exact mathematical model of a system, some kind of robust control theory is needed. In this thesis integral action is used.
A problem with NDI is that the mathematical model of a system is often very complex, which means that the controller also will be complex. Therefore, a controller that uses pure NDI is only discussed, and the simulations are instead based on approximations that use a cascaded NDI. Two such methods are investigated. One that uses much information from aerodata tables, and one that uses the derivatives of some measured outputs. Both methods generate satisfying results. The outputs from the second method are more oscillatory but the method is found to be more robust. If the signals are noisy, indications are that method one will be better.
Arvidsson, Marcus, e Daniel Karlsson. "Attenuation of Harmonic Distortion in Loudspeakers Using Non-linear Control". Thesis, Linköpings universitet, Reglerteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-78645.
Testo completoAbdulaziz, Ali Ahmed. "Neural-based controller development for solving non-linear control problems". Thesis, University of Newcastle Upon Tyne, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260976.
Testo completoRokni, Lamooki Gholam Reza. "Adaptive and non-linear control : bifurcation, computation and partial stabilisation". Thesis, University of Exeter, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288369.
Testo completoRichardson, Thomas Stuart. "Continuation methods applied to non linear flight dynamics and control". Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268783.
Testo completoSPINOLA, ALEXANDRE DE LIMA. "MODELING AND NON LINEAR CONTROL OF A GROUND VEHICLENULLS STEERING". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2003. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=5109@1.
Testo completoModelagem e Controle Não Linear de um Veículo Terrestre sobre Suspensão descreve um estudo em dinâmica veicular no qual inicialmente apresenta-se um modelo analítico para representar a geração de forças longitudinais e laterais no contato do pneu com o solo. Em seguida é desenvolvido, para um automóvel de passeio terrestre sobre suspensão, um modelo não linear de 4 graus de liberdade (velocidades longitudinal, lateral, de guinada e de rolagem), e a sua linearização. Expande-se esse modelo para um de 8 graus de liberdade, no qual inclui-se o movimento de rotação axial de cada uma das quatro rodas, e consideram-se os movimentos do veículo somente no plano, sem efeitos de pitch ou bounce, mas apresentando alguma relação de distribuição de cargas devido ao roll. Descrevem-se ainda modelos em Grafos de Ligação para os três dinâmicas de um veículo terrestre (longitudinal, lateral e vertical) e seus acoplamentos, visando futuras análises mais detalhadas desse sistema. Todos os modelos em malha aberta são validados através simulações computacionais em diversas condições típicas de operação. Na segunda parte desse trabalho é apresentada a estratégia proposta para o tratamento do problema de controle direcional do veículo em uma manobra qualquer, empregando a metodologia da linearização por realimentação, tendo como base o modelo linear de 4 graus de liberdade. São analisados os resultados encontrados através de simulação computacional para a malha fechada com diferentes combinações de parâmetros, empregando os modelos não lineares de 4 e 8 graus de liberdade. Conclui-se discutindo a possibilidade de generalização deste procedimento para diferentes aplicações em Dinâmica Veicular.
Modeling and Non Linear Control of a Ground Vehicle's Steering describles a study in vehicle dynamics, which presents an analytic model representing the generation of longitudinal and lateral forces at the contact patch between tire and ground. Next it is developed, for a typical passenger car, a non-linear model with four degrees of freedom (longitudinal, lateral, yaw and roll velocities), and its linearization. This model is then expanded to another one with eight degrees of freedom, which includes the axial rotation of each one of the four wheels, and considers the vehicle's movement only at a known plane, whithoud pitch and bounce effects, but including some load distribution among the wheels, due to roll. Computational simulation in varius typical operation condition validate all open loop models. The second part of this work presents the proposed strategy for directional control of a vehicle at any type of manoeuvre, using the feedback linearization methodology, directly applied to the linear four degrees of freedom model. Theresults obtained trhough computational simulation for a closed loop model with different parameters are analysed using both nonlinear four and eight degrees of freedom models. The possibility of generalizing this procedure to distinct applications in Vehicle Dynamics is, then, discussed.
Mohamed, Ramadan Haitham Saad. "Non-linear control and stabilization of VSC-HVDC transmission systems". Thesis, Paris 11, 2012. http://www.theses.fr/2012PA112046/document.
Testo completoThe integration of nonlinear VSC-HVDC transmission systems in power grids becomes very important for environmental, technical, and economic reasons. These systems have enabled the interconnection of asynchronous networks, the connection of offshore wind farms, and the control of power flow especially for long distances. This thesis aims the non-linear control and stabilization of VSC-HVDC systems, with two main themes. The first theme focuses on the design and synthesis of nonlinear control laws based on Variable Structure Systems (VSS) for VSC-HVDC systems. Thus, the Sliding Mode Control (SMC) and the Asymptotic Output Tracking (AOT) have been proposed to provide an adequate degree of stability via suitable Lyapunov functions. Then, the robustness of these commands has been studied in presence of parameter uncertainties and/or disturbances. The compromise between controller’s robustness and the system’s dynamic behavior depends on the gain settings. These control approaches, which are robust and can be easily implemented, have been applied to enhance the system dynamic performance and stability level in presence of different abnormal conditions for different DC link lengths. The second theme concerns the influence of VSC-HVDC control on improving the AC network dynamic performance during transients. After modeling the Single Machine via VSC-HVDC system in which the detailed synchronous generator model is considered, the conventional PI controller is applied to the converter side to act on damping the synchronous machine power angle oscillations. This simple control guarantees the reinforcement of the system dynamic performance and the power angle oscillations damping of the synchronous machine in presence of faults
Ajlouni, Naim. "Genetic algorithms for control system design". Thesis, University of Salford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308088.
Testo completoHerrmann, Guido. "Discretization of non-linear controls with application to robust, sliding-mode-based control systems". Thesis, University of Leicester, 2000. http://hdl.handle.net/2381/30178.
Testo completoScibile, Luigi. "Non-linear control of the plasma vertical position in a tokamak". Thesis, University of Oxford, 1997. http://ora.ox.ac.uk/objects/uuid:e64ad4bf-bd05-448f-8ac7-6d81aa8a65cb.
Testo completoLiu, Jui-jung. "The practical identification on non-linear systems in the time and frequency domain". Thesis, University of Sheffield, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387761.
Testo completoTu, Zhiqi. "Enhancements of the Non-linear Knapsack Cryptosystem". Thesis, University of Canterbury. Computer Science and Software Engineering, 2006. http://hdl.handle.net/10092/1080.
Testo completoSwensen, Ingrid. "Modeling and Non-linear Control of Gel Breaking in Drilling Operations". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for teknisk kybernetikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-25754.
Testo completoKong, Kou A. "Fuzzy logic PD control of a non-linear inverted flexible pendulum". [Chico, Calif. : California State University, Chico], 2009. http://hdl.handle.net/10211.4/90.
Testo completoBasna, Rani. "Mean Field Games for Jump Non-Linear Markov Process". Doctoral thesis, Linnéuniversitetet, Institutionen för matematik (MA), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-55852.
Testo completoO'Dea, Enda. "Robust control of non-linear 2D and linear 3D disturbances in channel flow by surface transpiration". Thesis, University of Southampton, 2004. https://eprints.soton.ac.uk/47092/.
Testo completoChia, Andy. "Explorations in Quantum Measurement and Control". Thesis, Griffith University, 2011. http://hdl.handle.net/10072/366552.
Testo completoThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Biomolecular and Physical Sciences
Science, Environment, Engineering and Technology
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Pedchote, C. "Parameter estimation for non-linear systems: an application to vehicle dynamics". Thesis, Engineering Systems Department, 2009. http://hdl.handle.net/1826/3896.
Testo completoPedchote, Chamnarn. "Parameter estimation for non-linear systems : an application to vehicle dynamics". Thesis, Cranfield University, 2003. http://dspace.lib.cranfield.ac.uk/handle/1826/3896.
Testo completoThapa, Bal K. "Neural network enhanced self tuning adaptive control application for non-linear control of dynamic systems". Thesis, Aston University, 2001. http://publications.aston.ac.uk/11767/.
Testo completoGhwanmeh, Sameh Hussein. "The investigation of on-line self-learning fuzzy logic control for non-linear processes". Thesis, Liverpool John Moores University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337808.
Testo completoHong, Xia. "Non-linear time series modelling and prediction with radial basis function network based algorithms". Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286888.
Testo completoSridhar, Siddharth. "Non-Linear Control of a Tilt-Rotor Quadcopter using Sliding Mode Technique". University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1592170442729443.
Testo completoLeppäkoski, K. (Kimmo). "Utilisation of non-linear modelling methods in flue-gas oxygen-content control". Doctoral thesis, University of Oulu, 2006. http://urn.fi/urn:isbn:9514282418.
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