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Dissertations / Theses on the topic 'Hammerstein model'

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Published: 4 June 2021

Last updated: 26 July 2025

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1

Bezerra, Gabriel Ribeiro. "Modeling and control of The DC-DC Buck-Boost converter using parametric identification techniques." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14745.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>This work presents procedures for modeling a Buck-Boost converter based on offline parametric identification techniques, with employment of black box and gray box models. For the identification of the control-to-output-voltage transfer function, the nonlinear Hammerstein model is employed, a particularly interesting structure to identify DC-DC converters for its ability to incorporate nonlinear static characteristic aside from the dynamic behavior of the plant. The identification of the mentioned transfer function is achieved from i

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2

Zambrano, Abad Julio Cesar. "Identification of nonlinear processes based on Wiener-Hammerstein models and heuristic optimization." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/171739.

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[ES] En muchos campos de la ingeniería los modelos matemáticos son utilizados para describir el comportamiento de los sistemas, procesos o fenómenos. Hoy en día, existen varias técnicas o métodos que pueden ser usadas para obtener estos modelos. Debido a su versatilidad y simplicidad, a menudo se prefieren los métodos de identificación de sistemas. Por lo general, estos métodos requieren la definición de una estructura y la estimación computacional de los parámetros que la componen utilizando un conjunto de procedimientos y mediciones de las señales de entrada y salida del sistema. En el conte

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Casillo, Danielle Simone da Silva. "Controle preditivo n?o linear baseado no modelo de Hammerstein com prova de estabilidade." Universidade Federal do Rio Grande do Norte, 2009. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15130.

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Made available in DSpace on 2014-12-17T14:54:52Z (GMT). No. of bitstreams: 1 DanielleSSC.pdf: 1582089 bytes, checksum: 60ca15361e82c560b730f3d2c8f4b062 (MD5) Previous issue date: 2009-03-27<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>The Predictive Controller has been receiving plenty attention in the last decades, because the need to understand, to analyze, to predict and to control real systems has been quickly growing with the technological and industrial progress. The objective of this thesis is to present a contribution for the development and implementation of N

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Ogbonna, Emmanuel. "A multi-parameter empirical model for mesophilic anaerobic digestion." Thesis, University of Hertfordshire, 2017. http://hdl.handle.net/2299/17467.

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Anaerobic digestion, which is the process by which bacteria breakdown organic matter to produce biogas (renewable energy source) and digestate (biofertiliser) in the absence of oxygen, proves to be the ideal concept not only for sustainable energy provision but also for effective organic waste management. However, the production amount of biogas to keep up with the global demand is limited by the underperformance in the system implementing the AD process. This underperformance is due to the difficulty in obtaining and maintaining the optimal operating parameters/states for anaerobic bacteria t

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Park, Junho. "Nonlinear Model Predictive Control for a Managed Pressure Drilling with High-Fidelity Drilling Simulators." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/6792.

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The world's energy demand has been rapidly increasing and is projected to continue growing for at least the next two decades. With increasing global energy demand and competition from renewable energy, the oil and gas industry is striving for more efficient petroleum production. Many technical breakthroughs have enabled the drilling industry to expand the exploration to more difficult drilling such as deepwater drilling and multilateral directional drilling. For example, managed pressure drilling (MPD) offers ceaseless operation with multiple manipulated variables (MV) and wired drill pipe (WD

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Otoupalík, Petr. "Simulace analogových hudebních efektů pomocí nelineárních filtrů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218297.

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This thesis deals with a simulation of analogue audio effects using the nonlinear models that replace the analogue nonlinear devices in discrete domain. The thesis describes Volterra system model and simplified Volterra system model that can be realized in two ways, either Wiener model, or Hammerstein model. The method for the analysis and modeling of audio and acoustic nonlinear systems is presented in this thesis. This method allows through knowledge of the input swept-sine signal and the response of the analogue nonlinear system to the input signal to determine the coefficients of the discr

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7

Peng, Hui. "Quelques résultats sur la réduction spatiale et la commande robuste d’un procédé d’adsorption modulée en pression." Thesis, Lyon 1, 2011. http://www.theses.fr/2011LYO10034.

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Dans cette thèse, nous nous intéressons à la modélisation, la simulation et la commande d'un procédé d'adsorption modulée en pression (procédé PSA). Ces procédés PSA sont des procédés cycliques alternant phase d'adsorption et phase de désorption. Les modèles de ces procédés sont en général décrits par des équations au dérivées partielles qui suivant les modèles décrivent les dynamiques lentes et rapides. Nous avons étudié la modélisation d'un procédé basé sur deux colonnes avec l'utilisation d'un adsorbant monodisperse. Nous proposons un modèle classique qui décrit les quatre phases du cycle d

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Cerqueira, Auciomar Carlos Teixeira de. "Estima??o e compensa??o de n?o linearidades inerentes aos atuadores dos processos industriais." Universidade Federal do Rio Grande do Norte, 2009. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12916.

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Made available in DSpace on 2014-12-17T14:08:38Z (GMT). No. of bitstreams: 1 AuciomarCTC_DISSERT.pdf: 1704122 bytes, checksum: fe303bbcf110f6668682831da2f3480d (MD5) Previous issue date: 2009-12-16<br>The oscillations presents in control loops can cause damages in petrochemical industry. Canceling, or even preventing such oscillations, would save up to large amount of dollars. Studies have identified that one of the causes of these oscillations are the nonlinearities present on industrial process actuators. This study has the objective to develop a methodology for removal of the harmful effe

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9

Sousa, Leonardo Cheles. "Modelo de histerese para ferrites de potência." reponame:Repositório Institucional da UFABC, 2018.

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Orientador: Prof. Dr. Luiz Alberto Luz de Almeida<br>Coorientador: Prof. Dr. Carlos Eduardo Capovilla<br>Dissertação (mestrado) - Universidade Federal do ABC, Programa de Pós-Graduação em Engenharia Elétrica, Santo André, 2018.<br>O trabalho apresenta uma extensao da limitacao estatica Loop Proximity (..2..) do modelo de histerese para incorporar a componente reversivel de magnetizacao dependente de taxa para modelar nucleos de ferrite de energia e, possivelmente, materiais ferromagneticos baseados em ferro e niquel para aplicacoes de baixa frequencia. O modelo proposto e baseado em a combinac

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Anaya, Munoz Víctor Hugo Verfasser], Peter [Akademischer Betreuer] [Hammerstein, Hans-Jörg [Akademischer Betreuer] Rheinberger, and Daniel Piñero [Akademischer Betreuer] Dalmau. "A theoretical model on the role of lateral gene transfer in the evolution of endosymbiotic genomes / Víctor Hugo Anaya Munoz. Gutachter: Peter Hammerstein ; Hans-Jörg Rheinberger ; Daniel Piñero Dalmau." Berlin : Humboldt Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2012. http://d-nb.info/1019165677/34.

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Simatrang, Sorn. "Fault Detection for Rolling Element Bearings Using Model-Based Technique." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1436533779.

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12

Pan, Jie. "Nonlinear Electrical Compensation For The Coherent Optical OFDM System." Miami University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=miami1292443382.

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13

Sabbagh, Yvonne. "Maximum Likelihood Estimation of Hammerstein Models." Thesis, Linköping University, Department of Electrical Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2061.

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<p>In this Master's thesis, Maximum Likelihood-based parametric identification methods for discrete-time SISO Hammerstein models from perturbed observations on both input and output, are investigated. </p><p>Hammerstein models, consisting of a static nonlinear block followed by a dynamic linear one, are widely applied to modeling nonlinear dynamic systems, i.e., dynamic systems having nonlinearity at its input. </p><p>Two identification methods are proposed. The first one assumes a Hammerstein model where the input signal is noise-free and the output signal is perturbed with colored noise. The

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Ramazi, Pouria. "Variance Analysis of Parallel Hammerstein Models." Thesis, KTH, Reglerteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102169.

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In this thesis we generalize some recent results on variance analysis of Hammerstein models. A variance formula for an arbitrary number of parallel blocks is derived. This expression shows that the variance increases in one block due to the estimation of parameters in other blocks but levels off when the number of parameters in other blocks reach the number of parameters in that block. As a second contribution, the problem of how to design the input so that the identification process leads to a more accurate model is considered. In other words, how to choose the input signal so that the model

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15

Maillou, Balbine. "Caractérisation et identification non-paramétrique des non-linéarités de suspensions de haut-parleurs." Thesis, Le Mans, 2015. http://www.theses.fr/2015LEMA1028.

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Ce travail de thèse porte sur le comportement mécanique en basses fréquences de l'équipage mobile du haut-parleur électrodynamique, et plus spécifiquement de ses suspensions. Les propriétés des suspensions sont difficiles à identifier du fait de l'assemblage géométrique mis en oeuvre et du fait des matériaux employés, à l'origine de comportements viscoélastiques non-linéaires. En régime linéaire, le modèle de Thiele et Small permet une bonne description du comportement du haut-parleur, l'équipage mobile étant modélisé par un système masse-ressort-amortissement linéaire. En régime non-linéaire,

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Santos, José Eli Santos dos. "Controle preditivo não-linear para sistemas de Hammerstein." Florianópolis, SC, 2007. http://repositorio.ufsc.br/xmlui/handle/123456789/90259.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica<br>Made available in DSpace on 2012-10-23T07:46:46Z (GMT). No. of bitstreams: 1 238732.pdf: 2058587 bytes, checksum: b3f37188dd9f1fa6bb3a0f50c74d43f6 (MD5)<br>As pesquisas associadas às estratégias de controle preditivo não-linear têm apresentado grande crescimento ultimamente registrando, também, um número considerável de aplicações na indústria. A representação de um processo complexo através de um modelo não-linear, com o objetivo de melhorar seu desempenho dinâmic

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Li, Jingting. "Facial Micro-Expression Analysis." Thesis, CentraleSupélec, 2019. http://www.theses.fr/2019CSUP0007.

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Les micro-expressions (MEs) sont porteuses d'informations non verbales spécifiques. Cependant, en raison de leur nature locale et brève, il est difficile de les détecter. Dans cette thèse, nous proposons une méthode de détection par reconnaissance d'un motif local et temporel de mouvement du visage. Ce motif a une forme spécifique (S-pattern) lorsque la ME apparait. Ainsi, à l'aide de SVM, nous distinguons les MEs des autres mouvements faciaux. Nous proposons également une fusion spatiale et temporelle afin d'améliorer la distinction entre les MEs (locaux) et les mouvements de la tête (globaux

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Werneck, Nicolau Leal. "Analise da distorção musical de guitarras eletricas." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259107.

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Orientador: Furio Damiani<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-11T03:06:29Z (GMT). No. of bitstreams: 1 Werneck_NicolauLeal_M.pdf: 1556046 bytes, checksum: 677310006250588d7e6a0fb0eedfc170 (MD5) Previous issue date: 2007<br>Resumo: Existem diversos problemas ligados à análise de sinais musicais que podem se beneficiar de um conhecimento mais detalhado da estrutura dos sinais gerados pelos diferentes instrumentos. Entre eles se destaca a compressão de sinais baseada em áudio estru

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Harnischmacher, Gerrit. "Block structured modeling for control /." Düsseldorf : VDI-Verl, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=016244726&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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20

Sbeity, Fatima. "Identification et modélisation de systèmes non linéaires générant des sous et ultra-harmoniques : Application à l'imagerie ultrasonore sous et ultra-harmonique." Phd thesis, Université François Rabelais - Tours, 2013. http://tel.archives-ouvertes.fr/tel-01062555.

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L'amélioration du contraste des images échographiques occupe une place importante en imagerie ultrasonore médicale puisque la qualité des images impacte directement le diagnostic médical. Les imageries de contraste sous et ultra-harmoniques sont deux techniques permettant de produire des images à fort contraste. Le développement de techniques de filtrage, permettant de mieux extraire les composantes sous et ultra-harmoniques présentes dans les signaux renvoyés par les produits de contraste ultrasonore, a pour conséquence d'améliorer encore plus le contraste des images. Les modèles non linéaire

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SILVA, Moisés Tavares da. "Identificação de sistemas usando modelos Hammerstein e Wiener utilizando método do Relé." Universidade Federal de Campina Grande, 2014. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/449.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-04-21T15:01:16Z No. of bitstreams: 1 MOISÉS TAVARES DA SILVA - DISSERTAÇÃO PPGEE 2014..pdf: 2264297 bytes, checksum: 0373ed53c40783016694166232616bf6 (MD5)<br>Made available in DSpace on 2018-04-21T15:01:16Z (GMT). No. of bitstreams: 1 MOISÉS TAVARES DA SILVA - DISSERTAÇÃO PPGEE 2014..pdf: 2264297 bytes, checksum: 0373ed53c40783016694166232616bf6 (MD5) Previous issue date: 2014-09<br>Neste trabalho utiliza-se um método do Relé sob condições de não-linearidade e perturbação estática para identificação de modelos não-lineares

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Chou, Danielle 1981. "Efficacy of Hammerstein models in capturing the dynamics of isometric muscle stimulated at various frequencies." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/38274.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2006.<br>Includes bibliographical references (p. 125-130).<br>Functional electrical stimulation (FES) can be employed more effectively as a rehabilitation intervention if neuroprosthetic controllers contain muscle models appropriate to the behavioral regimes of interest. The goal of this thesis is to investigate the performance of one such model, the Hammerstein cascade, in describing isometric muscle force. We examine the effectiveness of Hammerstein models in predicting the isometric recruitment curve and

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Zajic, I. "A Hammerstein-bilinear approach with application to heating ventilation and air conditioning systems." Thesis, Coventry University, 2013. http://curve.coventry.ac.uk/open/items/bb74b3bc-b12b-4a92-8aac-9781131cc75e/1.

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This thesis considers the development of a Hammerstein-bilinear approach to non-linear systems modelling, analysis and control systems design, which builds on and extends the applicability of an existing bilinear approach. The underlying idea of the Hammerstein-bilinear approach is to use the Hammerstein-bilinear system models to capture various physical phenomena of interest and subsequently use these for model based control system designs with the premise being that of achieving enhanced control performance. The advantage of the Hammerstein-bilinear approach is that the well-structured syste

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Binkowski, Cassio. "Síntese das técnicas de identificação de sistemas não lineares: estruturas de modelo de Hammerstein-Wiener e NARMAX." Universidade do Vale do Rio dos Sinos, 2016. http://www.repositorio.jesuita.org.br/handle/UNISINOS/5997.

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Submitted by Silvana Teresinha Dornelles Studzinski (sstudzinski) on 2016-12-23T10:42:58Z No. of bitstreams: 1 Cassio Binkowski_.pdf: 1965327 bytes, checksum: 87b7380f1bab367237fb868e0de20388 (MD5)<br>Made available in DSpace on 2016-12-23T10:42:59Z (GMT). No. of bitstreams: 1 Cassio Binkowski_.pdf: 1965327 bytes, checksum: 87b7380f1bab367237fb868e0de20388 (MD5) Previous issue date: 2016-09-14<br>Nenhuma<br>A identificação de sistemas está longe de ser uma tarefa nova. Sendo inicialmente proposta na metade do século XX, foi extensamente desenvolvida para sistemas lineares, devido às exig

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Franca, Aline Aguiar da. "Controle preditivo DMC." reponame:Repositório Institucional da UFSC, 2012. http://repositorio.ufsc.br/xmlui/handle/123456789/100763.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia de Automação e Sistemas, Florianópolis, 2012.<br>Made available in DSpace on 2013-06-25T22:24:10Z (GMT). No. of bitstreams: 1 315035.pdf: 3222498 bytes, checksum: 637341fc78e12adbdefa9c4b49a5c6d4 (MD5)<br>Este trabalho tem por objetivo apresentar um estudo relacionado ao controlador preditivo DMC (Dynamic Matrix Control) em suas formas linear e não-linear. O DMC é um controlador preditivo baseado em modelo (MPC - Model Predictive Control) que emprega os elementos da resp

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Mendes, Ellon Paiva. "Identifica??o em tempo real de modelo din?mico de rob? m?vel com acionamento diferencial e zona morta." Universidade Federal do Rio Grande do Norte, 2012. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15387.

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Made available in DSpace on 2014-12-17T14:55:56Z (GMT). No. of bitstreams: 1 EllonPM_DISSERT.pdf: 1231242 bytes, checksum: 49456bef5c0d0bfdc5bf49d689568b60 (MD5) Previous issue date: 2012-01-27<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico<br>Several mobile robots show non-linear behavior, mainly due friction phenomena between the mechanical parts of the robot or between the robot and the ground. Linear models are efficient in some cases, but it is necessary take the robot non-linearity in consideration when precise displacement and positioning are desired. In this work a

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Cabrita, Figueiredo Ana Sofia [Verfasser], Peter [Akademischer Betreuer] Hammerstein, Richard [Akademischer Betreuer] Lucius, and Thomas [Akademischer Betreuer] Höfer. "Mathematical models of IL-10 regulation in macrophages stimulated with immunomodulatory molecules of parasitic nematodes : a systems biology approach / Ana Sofia Cabrita Figueiredo. Gutachter: Peter Hammerstein ; Richard Lucius ; Thomas Höfer." Berlin : Humboldt Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2012. http://d-nb.info/1024119998/34.

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Chung, Jui-Hsiang, and 鍾睿翔. "Hammerstein Model Temperature Control for Variable-Frequency Oil-Cooling Machine." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/33957792431633347446.

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碩士<br>修平科技大學<br>電機工程碩士班<br>103<br>This paper presents a Hammerstein model temperature controller using recursive least-squares method for variable-frequency oil-cooling machine. A Hammerstein model is constructed for the controlled nonlinear system, and the proposed adaptive controller is derived via a modified generalized predictive performance criterion. The illustrative nonlinear system is used to demonstrate the effectiveness of the proposed strategy. Numerical simulations exhibit that the adaptive control law give satisfactory tracking and disturbance rejection performances. The PC-based

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Wu, Jian-Huei, and 吳建輝. "Hammerstein Recurrent Neural Network Based Nonlinear Model Predictive Control and Its Applications." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/77802265139771223116.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>95<br>This thesis presents a nonlinear model predictive control (NMPC) scheme based on a Hammerstein recurrent neural network (HRNN) for controlling unknown systems. The unknown system is first modeled by the HRNN that consists of a static nonlinear subsystem cascaded by a dynamic linear subsystem. The HRNN is capable of transferring an unknown dynamic system into a state-space representation. An effective construction algorithm, which integrates the methods of order determination, parameter initialization and performance optimization, is utilized to construct a p

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Malhotra, Ashish, and Siddhartha Suruj Borkotoky. "Sawtooth Genetic Algorithm and its Application in Hammerstein Model identification and RBFN based stock Market Forecasting." Thesis, 2008. http://ethesis.nitrkl.ac.in/63/1/10407004.pdf.

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This Project work has been divided into three parts. In the first part, we deal with the sawtooth genetic algorithm. In the second part, we use this algorithm for optimization of Hammerstein model. In the third part we implemented a stock market forecasting model based on radial basis function network tuned by sawtooth genetic algorithm.

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Huang, Jhih-Yong, and 黃至勇. "Hammerstein/Wiener Modeling of Glucose-Insulin Dynamics and Model Predictive Control of Blood Glucose in Type I Diabetics." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/j4mz6v.

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碩士<br>國立臺北科技大學<br>化學工程研究所<br>98<br>In order for an “artificial pancreas” to become practical for ambulatory use, a closes-loop control strategy for automated insulin delivery must be developed. In this thesis, model predictive controller (MPC) is considered for this purpose to regulating the blood glucose in subjects with Type I diabetes. The MPC utilizes a model to estimate the future glucose concentration based on a series insulin infusion rates, so that this model is very crucial for the performance of glucose control. Many physiological models have been proposed to describe the glucose-ins

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Chiu, Cheng-Yu, and 邱正育. "Halftone Algorithm Development Based on a Virtual Printing System and its Hammerstein Model with Application to a Class of Monochrome Laser Printers." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/87553699189754703847.

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碩士<br>國立中興大學<br>電機工程學系所<br>97<br>In this thesis, we propose two kinds of virtual printer models to achieve real printers’ quality. First kind uses eletrophotography technology and applies real popular printers’ parameters to achieve, but these kinds of virtual printers printed images always cost much time. Because this reason, let we want to improve these kinds of printers to print faster. According to technology of Hammerstein/Wiener, we could control not only linear block but also nonlinear block on virtual printers and then associate with fuzzy neural network. Thus the virtual printers prin

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Lv, Jiaqing. "Machine Learning Techniques for Large-Scale System Modeling." 2011. http://hdl.handle.net/1993/4808.

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This thesis is about some issues in system modeling: The first is a parsimonious representation of MISO Hammerstein system, which is by projecting the multivariate linear function into a univariate input function space. This leads to the so-called semiparamtric Hammerstein model, which overcomes the commonly known “Curse of dimensionality” for nonparametric estimation on MISO systems. The second issue discussed in this thesis is orthogonal expansion analysis on a univariate Hammerstein model and hypothesis testing for the structure of the nonlinear subsystem. The generalization of this

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JHAO, DA-WEI, and 趙大圍. "Identification and Control of Fuel Cell Systems Using Hammerstein Models." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/75179877419628008553.

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碩士<br>雲林科技大學<br>化學工程與材料工程研究所<br>98<br>Hammerstein model achieves this configuration as a series connection of static nonlinear block with a dynamic linear block. This study use Wavelet Network to identify the static nonlinear block of Hammerstein model, and show the dynamic linear block with state space model .And we get great result at identify the Molten Carbonate Fuel Cell and Direct Methanol Fuel Cell systems. Finally we use the Hammerstein model design controller that we identified to control the fuel cell system.

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