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Dissertations / Theses on the topic 'H∞ fuzzy integral control'

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Published: 3 June 2025
Last updated: 31 July 2025

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1

Boesak, C. D. "Controller design via H[infinity] optimal control, quantitative feedback theory and fuzzy logic control : an application to load frequency control." Master's thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/5249.

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Bibliography: leaves 104-112.<br>This thesis describes the application of robust controller design techniques namely H[infinity] optimal control, fuzzy logic control and quantitative feedback theory to the load frequency control problem of power systems. It thus forms a comparative study of these design methods. Load frequency control is the closed loop control of electrical generating units to regulate the system frequency at its nominal value in the presence of load disturbances. Load frequency control also includes the regulation of the tie-line interchange powers.
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2

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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3

Nogueira, Samuel Lourenço. "Controladores adaptativos não-lineares com critério H aplicados a manipuladores com restrições de força e posição." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18153/tde-26022010-152411/.

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Neste trabalho é apresentado um estudo comparativo entre quatro controladores H não lineares aplicados a um manipulador robótico com restrições de força e posição. Para estudar o comportamento de cada controlador as seguintes estratégias foram adotadas: (1) o modelo nominal do robô é considerado conhecido e são utilizadas técnicas inteligentes para estimar incertezas paramétricas, dinâmicas não modeladas e distúrbios externos; (2) O modelo do sistema é considerado completamente desconhecido e as técnicas inteligentes são utilizadas para estimar o modelo completo. As técnicas inteligentes utili
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4

Fonseca, Carlos Andr? Guerra. "Algoritmos gen?ricos para otimiza??o de uma arquitetura de controle inteligente h?er?rquico." Universidade Federal do Rio Grande do Norte, 2005. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15410.

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Made available in DSpace on 2014-12-17T14:56:01Z (GMT). No. of bitstreams: 1 CarlosAGF.pdf: 527942 bytes, checksum: 0d9ef8ecd1c3f6373e19e38612cb52c2 (MD5) Previous issue date: 2005-12-19<br>A hierarchical fuzzy control scheme is applied to improve vibration suppression by using an electro-mechanical system based on the lever principle. The hierarchical intelligent controller consists of a hierarchical fuzzy supervisor, one fuzzy controller and one robust controller. The supervisor combines controllers output signal to generate the control signal that will be applied on the plant. The objecti
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5

Rodrigues, Marconi C?mara. "T?cnicas inteligentes h?dridas para o controle de sistemas n?o lineares." Universidade Federal do Rio Grande do Norte, 2006. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15349.

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Made available in DSpace on 2014-12-17T14:55:48Z (GMT). No. of bitstreams: 1 MarconiCR.pdf: 3477416 bytes, checksum: 7bf9d3b9014c2ba726d8694085022188 (MD5) Previous issue date: 2006-02-17<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>A neuro-fuzzy system consists of two or more control techniques in only one structure. The main characteristic of this structure is joining one or more good aspects from each technique to make a hybrid controller. This controller can be based in Fuzzy systems, artificial Neural Networks, Genetics Algorithms or rein forced learning techniques.
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6

Milhor, Carlos Eduardo. "Proposta de um controlador difuso Takagi-Sugeno com desempenho H \'INFINITO\' para regulagem da marcha lenta em motores de ciclo Otto." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/18/18135/tde-21012011-141452/.

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Propõe-se um controlador difuso Takagi-Sugeno com índice de desempenho H \'INFINITO\' para regulagem da marcha lenta em motores de ciclo Otto. Obtém-se uma representação difusa do motor de ciclo Otto operando em marcha lenta. Esse modelo é utilizado para a síntese do controlador. O controlador difuso com desempenho H \'INFINITO\' é projetado para rejeitar o efeito de distúrbios de cargas externas sobre a rotação do motor em regime de marcha lenta. As ações de controle, posição da borboleta de aceleração e ponto de ignição, são limitadas a uma faixa de operação específica para a marcha lenta. O
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7

Oliveira, Diogo Ramalho de [UNESP]. "Controle H∞ chaveado para sistemas não lineares incertos descritos por modelos fuzzy T-S considerando região de operação e saturação do sinal de controle." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/150960.

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Submitted by DIOGO RAMALHO DE OLIVEIRA null (diogo.oliveira.ee@gmail.com) on 2017-06-22T14:35:42Z No. of bitstreams: 1 Tese_Diogo.pdf: 2317981 bytes, checksum: fa048901c893f57ba87ceec19383ae14 (MD5)<br>Approved for entry into archive by Luiz Galeffi (luizgaleffi@gmail.com) on 2017-06-22T17:28:20Z (GMT) No. of bitstreams: 1 oliveira_dr_dr_ilha.pdf: 2317981 bytes, checksum: fa048901c893f57ba87ceec19383ae14 (MD5)<br>Made available in DSpace on 2017-06-22T17:28:20Z (GMT). No. of bitstreams: 1 oliveira_dr_dr_ilha.pdf: 2317981 bytes, checksum: fa048901c893f57ba87ceec19383ae14 (MD5) Previous i
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Oliveira, Diogo Ramalho de. "Controle H∞ chaveado para sistemas não lineares incertos descritos por modelos fuzzy T-S considerando região de operação e saturação do sinal de controle /." Ilha Solteira, 2017. http://hdl.handle.net/11449/150960.

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Orientador: Marcelo Carvalho Minhoto Teixeira<br>Resumo: Esta tese propõe projetos de controle H∞ chaveado para uma classe de sistemas não lineares incertos descritos por modelos fuzzy Takagi-Sugeno (T-S) com funções de pertinência desconhecidas. Os projetos de controle necessitam somente dos limites inferiores e superiores das não linearidades do sistema, que podem depender de parâmetros incertos da planta. Em diversas aplicações práticas, em virtude das restrições operacionais dos equipamentos, no projeto de controle é necessário considerar que a lei de controle está sujeita à saturação do a
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Antong, Hasmawati P. "Highly redundant and fault tolerant actuator system : control, condition monitoring and experimental validation." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/32792.

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This thesis is concerned with developing a control and condition monitoring system for a class of fault tolerant actuators with high levels of redundancy. The High Redundancy Actuator (HRA) is a concept inspired by biomimetics that aims to provide fault tolerance using relatively large numbers of actuation elements which are assembled in parallel and series configurations to form a single actuator. Each actuation element provides a small contribution to the overall force and displacement of the system. Since the capability of each actuation element is small, the effect of faults within the ind
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10

Ouriagli, Mohammed. "Contribution à la synthèse de commandes robustes pour machines synchrones à aimants permanents." Vandoeuvre-les-Nancy, INPL, 1995. http://www.theses.fr/1995INPL136N.

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Le travail de mémoire porte sur la synthèse de commandes robustes pour machines synchrones à aimants permanents en tenant compte des amortisseurs et de variations de paramètres de la machine. Dans un premier temps, une commande basée sur le contrôle vectoriel et sur l'utilisation de correcteurs classiques de type proportionnel intégral a été élaborée. Le dimensionnement de ces correcteurs a été facilité par l'introduction d'un algorithme de découplage des courants statoriques direct et en quadrature. Dans un deuxième temps, nous nous sommes intéressé à la synthèse de commandes robustes et part
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Nguyen, Thi Van Anh. "Commande de robots manipulateurs basée sur le modèle de Takagi-Sugeno : nouvelle approche pour le suivi de trajectoire." Thesis, Valenciennes, Université Polytechnique Hauts-de-France, 2019. http://www.theses.fr/2019VALE0030/document.

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Ce travail présente une nouvelle approche de synthèse de la commande non linéaire en suivi de trajectoire de robots manipulateurs. Malgré la richesse de la littérature dans le domaine, le problème n'a pas encore été traité de manière adéquate : en raison de l'existence inévitable dans les applications pratiques de perturbations et incertitudes telles que les forces de frottement, des perturbations externes ou les variations des paramètres il est difficile d'assurer un suivi de trajectoire de haute précision. Afin de résoudre ce problème, nous proposons tout d'abord une méthode de commande pren
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12

Latrech, Chedia. "Commande en réseau des systèmes flous : application à la dynamique de véhicule." Electronic Thesis or Diss., Amiens, 2015. http://www.theses.fr/2015AMIE0005.

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Cette thèse concerne les problèmes de stabilité et de stabilisation des systèmes non linéaires décrits par des modèles flous de type Takagi Sugeno (TS) incluant les contraintes liées à la transmission d'information en réseau, au rejet de perturbations, aux variations paramétriques et à la non fragilité de la commande. L'enjeu consiste à proposer des conditions de stabilité permettant la synthèse des lois de commande centralisées et décentralisées, qui opère à travers un réseau de communication, en utilisant les outils des inégalités linéaires matricielles (LMIs) et l'approche H∞. Nous abordons
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Jebelli, Ali. "Development of Sensors and Microcontrollers for Underwater Robots." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31283.

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Nowadays, small autonomous underwater robots are strongly preferred for remote exploration of unknown and unstructured environments. Such robots allow the exploration and monitoring of underwater environments where a long term underwater presence is required to cover a large area. Furthermore, reducing the robot size, embedding electrical board inside and reducing cost are some of the challenges designers of autonomous underwater robots are facing. As a key device for reliable operation-decision process of autonomous underwater robots, a relatively fast and cost effective controller based on F
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14

Chen, Hong-Wei, and 陳宏瑋. "Observer-based H∞ Fuzzy Control Design." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/07808124953558105268.

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碩士<br>國立高雄應用科技大學<br>電機工程系碩士班<br>95<br>This thesis deals with observer-based H∞ control problem for T-S fuzzy systems. By using Lyapunov stability analysis and LMI techniques. The conditions for existence of H∞ controllers are derived and proved to be more relaxed than the existing ones. When the observer is allowed to contain the system’s disturbance. The existing result can be shown to be a special case of ours. When the observer does not include the system’s disturbance, a two-step approach is employed to solve the derived nonlinear inequalities for finding the controllers and observes.
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15

Lin, Feng-Shiu, and 林峰旭. "Integral Fuzzy Control and Application on Power Converters." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/754rn7.

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碩士<br>中原大學<br>電機工程研究所<br>91<br>In this thesis, we propose an integral fuzzy controller to cope with the output-voltage regulation problem for a PWM boost converter and an isolated AHPFC converter. First, we use Averaging Method for One-Time-Scale Discontinuous System (AM-OTS-DS) and Averaging Method for Two-Time-Scale Discontinuous System (AM-TTS-DS) to derive the models of the boost converter and the isolated AHPFC converter, respectively. Then an extra integral error signal is added to the converters' dynamic equations. The standard T-S fuzzy model is established after we translate the coord
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16

Su, Yi-Min SuYi-Min SuYi-Min, and 蘇益民. "Observer-based H∞ Fuzzy Control Design-Hybrid Taguchi-Genetic Fuzzy Control Approach." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/54025243201400377529.

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碩士<br>國立高雄應用科技大學<br>電機工程系<br>99<br>This thesis deals with observer-based H∞ control problem for T-S fuzzy systems . By using Lyapunov stability analysis as the basis for derivation. literature on the observer-based control issue will encounter nonlinear matrix inequalities, must be solved by two-step procedure, lead to the solution set is too conservative. In this thesis, by using hybrid Taguchi genetic algorithm to search optimization controller gain and observer gain, the unknown controller gain and observer gain is assumed as nonvariable, the nonlinear matrix inequalities into linear matrix
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17

10066006 and 張耀中. "Passive Control for Takagi-Sugeno Fuzzy Systems via Fuzzy Integral Lyapunov Approach." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/66925309072525272710.

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碩士<br>國立臺灣海洋大學<br>輪機工程系<br>101<br>This thesis studies the line-integral fuzzy Lyapunov function based fuzzy controller design for continuous-time Takagi-Sugeno fuzzy systems with multiplicative noises. For stability analysis and synthesis, the sufficient conditions are derived via line-integral fuzzy Lyapunov functions, passivity theory and Iterative Linear Matrix Inequality (ILMI) algorithm. These conditions belong to the linear matrix inequality forms which can be solved by the convex optimal programming algorithm. Finally, the first numerical example is provided to show that the proposed de
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Zheng, Cheng-Mo, and 鄭丞謨. "H∞ satbilition analysis for fuzzy control system." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/78214475309386975501.

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碩士<br>國立中央大學<br>機械工程研究所<br>94<br>In this paper, sufficient LMI conditions for the H∞ state feedback control synthesis of fuzzy control systems consisting of Takagi-Sugeno fuzzy models are proposed for continuous- and discrete-time fuzzy sys- tem in a unified manner. Based on a premise-dependent Lyapunov func- tion, we release the conservatism that commonly exists in the common P approach. Particularly, the restriction embedded in continuous-time systems on derivative of μ is removed by introducing Lie derivative to the Lyapunov approach. It is shown that the slack variables employed in this pa
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Lin, Wei-Chi, and 林韋志. "Fuzzy Model Based Tracking Control with H-infinity Performance." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/99843381112734941171.

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碩士<br>中原大學<br>電機工程研究所<br>89<br>abstract There has recently been a rapid growing interest in using T-S fuzzy model to approximate nonlinear systems. The T-S fuzzy dynamic model, which originates from Takagi and Sugeno, is described by fuzzy IF-THEN rules in which the consequent parts represent local linear models. Once a fuzzy representation of a nonlinear system is described by if-then rules, the control problem then becomes to find a local linear/nonlinear compensator to achieve the desired objective. The controller and observer design of the T-S fuzzy system is carried out via the so called
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Huang, Wei-Han, and 黃威瀚. "Robust H∞ Fuzzy Control for Uncertain Affine Takagi-Sugeno Fuzzy Systems with Time-Delay." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/70759807672175818764.

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碩士<br>國立臺灣海洋大學<br>輪機工程系<br>96<br>Perturbation of the system internal part, disturbance of exterior environment and time delay effect often occurs in many nonlinear dynamic systems. Consider these phenomena into the nonlinear dynamic system are very important. In this thesis, the stability analysis and controller synthesis methodology for continuous and discrete perturbed time-delay system modeling by affine Takagi–Sugeno(T-S) fuzzy model is proposed. In fact, one can model the nonlinear systems via the structures of affine T-S fuzzy systems by blending several linear subsystems. In the uncerta
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Shiu, Sheng-Yu, and 許聖雨. "Stabilization and Robust H∞ Control of T-S Fuzzy Systems － Fuzzy Lyapunov Function Approach." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/33834524992377983597.

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碩士<br>國立高雄應用科技大學<br>電機工程系<br>97<br>This thesis proposed a new stabilization condition for continuous time T-S fuzzy systems via the fuzzy Lyapunov function and the non-PDC controller. By the three-index algebraic combination technique, a new relaxed stabilization condition is developed. Unlike the fuzzy Lyapunov function approach reported in the literature, the bound of the time derivatives of membership functions and BMI problems are not arise in the proposed approach. All stability conditions are represented in the form of linear matrix inequalities (LMIs). The proposed idea is extended to i
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Sun, Wei-Ting, and 孫偉庭. "DECENTRALIZED ADAPTIVE FUZZY INTEGRAL VARIABLE STRUCTURE CONTROL FOR ANONLINEAR LARGE-SCALE SYSTEM." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/uuz35g.

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碩士<br>大同大學<br>電機工程學系(所)<br>95<br>This thesis investigates a decentralized adaptive fuzzy integral variable structure control law, and it is proposed for a class of unknown nonlinear large-scale system (LSS) that not all the states are available for measurement. First, the fuzzy models for describing the unknown function of the large-scale system. Next, by designing the state observer, it is used to be tracking error vector. Based on the fuzzy model and state observer, a decentralized integral variable structure control is developed for guaranteeing the tracking performance. Then, the adaptive
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23

Hong, Chi-Wang, and 洪績旺. "Integral T-S Fuzzy Control Design Applications on Nonlinear Switching Power Converters." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/14697839197018698769.

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博士<br>中原大學<br>電機工程研究所<br>101<br>A simple integral Takagi-Sugeno (T-S) fuzzy controller is proposed to regulate the output voltages for DC-DC boost switching power converters and AC-DC isolated active high power factor correction (AHPFC) converters, which have highly nonlinear characteristics. To ensure nice steady-state, an extra integral error signal is added to the dynamics of the converters. By translating coordinate to the regulated points, the stabilization model is determined. The integral T-S fuzzy model is established for dealing with the nonlinear terms. Both control gains and system
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Hung, Wei-Hsiang, and 洪偉祥. "H infinity control for T-S fuzzy time-delay systems." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/36077080872443259902.

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碩士<br>國立中央大學<br>電機工程研究所<br>92<br>This thesis introduces a fuzzy linear control design procedure for the nonlinear time-delay systems with optimal robustness performance. Based on the Takagi–Sugeno (T-S) fuzzy models, a fuzzy state feedback controller is developed to stabilize the nonlinear time delay system by the Lyapunov approach. Besides, the effect of external disturbance on control performance is attenuated to a minimum value. Thus based on the fuzzy linear model, performance design can be achieved in nonlinear control systems. Sufficient conditions for the existence of fuzzy state
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Huang, Yu-Chia, and 黃宥嘉. "Intelligent Robust H∞ Control of Polynomial Fuzzy Systems Using QEA." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/ctmb2y.

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博士<br>國立臺灣海洋大學<br>電機工程學系<br>105<br>This dissertation investigates polynomial fuzzy control systems and proposes several polynomial fuzzy controllers, including stable controller design, robust H∞ controller design, intelligent controller design, and intelligent robust H∞ controller design. System stability is analyzed using a non-quadratic Lyapunov function, and stability conditions based on the sum-of-squares (SOS) are proposed. The control gains are obtained by solving these stability conditions using numerical analysis software such as SOSTOOLS. In the study of stable controller design, met
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Lien, Yulung, and 連郁龍. "Application of Fuzzy Based Integral Sliding Mode Controller to Induction Motor Speed Control." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/76742519906780763595.

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碩士<br>國立高雄應用科技大學<br>電機工程系碩士班<br>92<br>The sliding mode causes high speed chattering phenomenon in the traditional Variable Structure Control （VSC）, and it may also produce unwanted high frequency oscillation in the system and even create instability. By applying fuzzy theory to sliding mode controller to develop Fuzzy Sliding Mode Controller （FSMC）, the chattering can be improved; but, it would cause the steady state error. For this reason, this paper proposes Fuzzy Based Integral Sliding Mode Controller （FISMC）. The integral controller can effectively improve error in the steady state; the sl
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Tseng, Chung-Shi, and 曾仲熙. "H-infinity Fuzzy Tracking Control and Its Application to Multibody Systems." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/42023847237456117991.

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博士<br>國立清華大學<br>電機工程學系<br>89<br>Recently, the nonlinear H-infinity control schemes have been introduced to deal with the robust performance design problem of nonlinear systems. However, the designer has to solve a Hamilton-Jacobi equation, which is a nonlinear partial differential equation. Only some very special nonlinear systems have a closed form solution. In general, conventional nonlinear H-infinity control schemes are not suitable for practical control system design. Based on the Takagi and Sugeno (TS) fuzzy
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Chuang, Jing-Sheng, and 莊景盛. "H∞ Control Design of The Stewart Platform via Fuzzy Logic Scheme." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/61072160742891549085.

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碩士<br>國立清華大學<br>電機工程學系<br>88<br>In this study, the nonlinear dynamic equations of the Stewart Platform robot manipulator are derived by Lagrangian approach. For control design of motion, a fuzzy linear control design method is developed for the Stewart platform with optimal H∞ robustness performance. First, the Takagi and Sugeno fuzzy linear model is employed to approximate the Stewart platform system. Next, based on the fuzzy linear model, an H∞ fuzzy controller is developed for stabilization (or regulation) of the Stewart platform system, and at the same time the effect of fuzzy approximatio
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Chang, Chih-Heng, and 張智恆. "Robust H∞ Design for Networked Control Systems Using Polynomial Fuzzy Model." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/68970602623955482219.

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碩士<br>國立中正大學<br>光機電整合工程研究所<br>101<br>This paper investigates robust H∞ design for continuous-time polynomial fuzzy networked control systems (NCSs) with external disturbances and model uncertainties, taking into account the network-based environment issues of the network-induced delay and packet dropout. Using polynomial Lyapunov function, robust stability conditions for polynomial fuzzy NCSs are derived, which possess H∞ performance and are expressed in terms of sum of squares (SOS). A H∞ polynomial fuzzy controller is developed for the stabilization of NCSs and to attenuate the influence of
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Lin, Chung-Yen, and 林忠諺. "Robust H∞ Control of Polynomial Fuzzy Systems: Piecewise Lyapunov Function Approach." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/4g658n.

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碩士<br>國立中正大學<br>光機電整合工程研究所<br>106<br>In this thesis, the switching polynomial fuzzy controller is designed by the piecewise polynomial Lyapunov function (PPLF) and applied to the type-1 (T1) and interval type-2 (IT2) polynomial fuzzy models. Through the characteristics of the minimum-type PPLF, the SOS-based stability conditions can be more relaxed. Therefore, this thesis proposes six stability theorems for polynomial fuzzy control systems (PFCS) by using the PPLF, which are SOS-based H∞ stability conditions for T1 PFCS with external disturbance, SOS-based robust H∞ stability conditions for T1
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Ashfahani, Andri, and 安德立. "Fuzzy control design for nonlinear dynamic systems using constrained H∞/LTR via T-S fuzzy model." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/m3zn2d.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>102<br>Tracking problems or stabilization problems for nonlinear systems are difficult, especially when not all the state are available. This study proposed a combination of constrained H∞ and loop transfer recovery (LTR) to control nonli-near systems via Takagi-Sugeno fuzzy model. First, the Takagi-Sugeno fuzzy model is employed to represent a nonlinear system. Next, based on the fuzzy model, a Kalman filter is developed. The controller gain is calculated by using constrained H∞ theory. LTR is then applied to reinforce the robust property of the controller. Simulati
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Wang, Chun-Chieh, and 王俊傑. "Model-Based Fuzzy Gain Scheduled Integral Control for a Nonlinear Twin Rotor MIMO System." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/75461364490827125645.

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碩士<br>國立雲林科技大學<br>電機工程技術研究所<br>87<br>In this thesis, we investigate the control problem of an experimental propeller setup which is called a twin rotor MIMO (multi-input multi-output) system. A schematic diagram is shown in Fig. 1. A metal beam is connected to its base by two ball bearings, such that it can move freely in the horizontal and vertical directions. At both ends of the beam, there are two propellers driven by DC-motors. The propellers are positioned perpendicularly to each other such that movement in the vertical plane (along the horizontal axis) and in the horizontal plane (al
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Uang, Huey Jian, and 汪惠健. "Robust Adaptive Tracking Design of Missile Systems : Fuzzy- based H∞ Control Approach." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/87334380067784894335.

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Wang, Po-Nien, and 汪柏年. "Current Loop Control of a Permanent Magnet Synchronous Motor Using Fuzzy Integral Sliding Mode Controller." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/80609415103601338358.

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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>97<br>The Sliding Mode Control (SMC) has been widely adopted in control system of Permanent Magnet Synchronous Motors (PMSM) because of its robustness to change in system parameters, good disturbance rejection ability and fast velocity response. However, because the control condition is switched regularly, the chattering phenomenon occurs at the same time in which it may damage the hardware. Therefore, this thesis employs the fuzzy integral sliding mode control method to adaptively adjust the value of control gain so that the system state can not only reach the sl
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徐德君. "Fuzzy Proportional-Integral Control on Automatic Gain Controller Design for the Wireless Local Area Networks." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/30337529838349966052.

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碩士<br>國立中興大學<br>電機工程學系<br>91<br>This thesis aims at the automatic gain controller (AGC) design for a IEEE 802.11b baseband processor receiver. We propose Fuzzy PI control strategy to regulate the amplitude of the input signal to the baseband A/D converter. The operational delay and the system convergence are analyzed through a software package Synopsys and FPGA emulators Altera FLEX10K50E. Robustness and fault tolerance are verified through experimental results.
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Lin, Min-Long, and 林銘隆. "Model construction, robust stabilization and H2/H∞ control for T-S fuzzy models." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/31446627169500684241.

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博士<br>國立中央大學<br>機械工程研究所<br>91<br>In this dissertation, construction of a Takagi-Sugeno (T-S) fuzzy model to exactly represent a given nonlinear system is investigated. Then, controller syntheses for stabilization of the resulting T-S fuzzy model or satisfaction of required H2 and H∞ performances are studied. Since T-S fuzzy model renders itself naturally to a Lyapunov-based system analysis and design techniques, it provides an alternative way to study stabilization and performance problems for a nonlinear system which is formulated as a T-S fuzzy model. However, it should be noted that when
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Lin, Yu-Cheng, and 林昱成. "Robust H2/H(Infinity) Control/Filtering for Time-Delay Takagi-Sugeno Fuzzy Systems." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/78652361207889969596.

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博士<br>國立中央大學<br>機械工程研究所<br>94<br>In this dissertation, several methods for a class of uncertain Takagi-Sugeno fuzzy models with time delays are proposed. Via Lyapunov theory, the asymptotical stability of delayed fuzzy systems is assured. In addition to stability issue, this dissertation also investigates the system performances including H∞ , H2 and mixed-norm considerations. Applying Lyapunov-Krasovskii approach rather than Lyapunov-Razumikhin to analyzedelayed systems is the most popular method nowadays due to reason that the performance considerations can be incorporated. Moreover, the ch
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Liu, Chien-yu, and 劉建佑. "Optimal H ∞ Fuzzy Control for Nonlinear Multiple Time-Delay Interconnected Systems via Genetic Algorithm." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/20069003891717034534.

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碩士<br>國立臺南大學<br>電機工程學系碩士班<br>100<br>This study presents an effective approach for stabilizing nonlinear multiple time-delay (NMTD) interconnected systems via the composite of genetic algorithm (GA) and fuzzy controllers. First, a neural-network (NN) model is employed to approximate each subsystem with multiple time delays. Then, the dynamics of the NN model is converted into a linear differential inclusion (LDI) state-space representation. Next, in terms of Lyapunov&apos;&apos;s direct method, a delay-dependent stability criterion is derived to guarantee the exponential stability of the NMTD i
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Chen, Sin-cyuan, and 陳信全. "Optimal H∞ Exponential Synchronization of Chaotic Systems with Multiple Time Delays via Fuzzy Control." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/29595272077658425593.

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碩士<br>國立臺南大學<br>電機工程研究所<br>99<br>This study presents an effective approach to realize the optimal H ∞ exponential synchronization of multiple time-delay chaotic (MTDC) systems. First, a neural-network (NN) model is employed to approximate the MTDC system. Then, a linear differential inclusion (LDI) state-space representation is established for the dynamics of the NN model. Based on this LDI state-space representation, this study proposes a delay-dependent exponential stability criterion of the error system derived in terms of Lyapunov’s direct method to ensure that the trajectories of the slav
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Chen, Wei-Da, and 陳緯達. "Robust H∞ control for uncertain T-S fuzzy systems with interval time-varying delays." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/50590964815652009920.

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碩士<br>義守大學<br>電機工程學系碩士班<br>95<br>In this dissertation, the robust H∞ control for Takagi-Sugeno fuzzy systems with interval time-varying state delays is considered. New Lyapunov-Krasovskii functional theory and Leibniz-Newton formula are used to solve the robust control problem. Delay-dependent and delay-independent criteria are proposed to guarantee the asymptotic stability for the uncertain fuzzy systems with interval time-varying delay. LMI optimization approach is applied to solve the control problem. The minimization of norm bound is found from LMI formulation. From the simulati
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Lin, Xue Lin, and 林學麟. "Robust H infinity Adaptive Fuzzy Tracking Control for MIMO Nonlinear Stochastic Poisson Jump Diffusion Systems." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/rq253d.

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碩士<br>國立清華大學<br>電機工程學系<br>104<br>Recently, stochastic Poisson jump diffusion system has attracted much attention in stochastic control. Poisson jump process has been used to model the random discontinuous jump behavior of the intrinsic discontinuous perturbation in stochastic system. Wiener process also called diffusion process represents the continuous random fluctuation to the system. In this study, an adaptive control is introduced for multi-input multi-output (MIMO) nonlinear stochastic Poisson jump diffusion system with continuous and discontinuous random fluctuations to achieve the con
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I-HungSu and 蘇義閎. "The Composite Design of H∞ Fuzzy Sliding Mode Control and its Application on Underwater Vehicle." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/27190216688768620767.

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碩士<br>國立成功大學<br>系統及船舶機電工程學系碩博士班<br>98<br>A nonlinear dynamic system usually contains some uncertainties, such as plant uncertainties and external disturbances, which may make the desired performance hard to be achieved or even cause the close-loop system unstable. This research proposes a fuzzy-sliding mode controller to resolve the above problem. The proposed controller is based on Lyapunov synthesis approach so that the close loop transfer function between the exogenous inputs and the controlled outputs of a nonlinear system can not only be stabilized but also be guaranteed to be bounded i
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Lai, Yi-Lin, and 賴怡霖. "Robust H∞ Control for Interval Type-2 T-S Fuzzy Singular Networked Control Systems with Delay and Parameter Uncertainty." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/56a35z.

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碩士<br>國立臺北科技大學<br>電機工程系研究所<br>101<br>This thesis investigates the robust H∞ controller design for nonlinear singular networked control systems with packet loss and delays. The delays include input and state delays. The parameter uncertainty is also considered in this work. Firstly, the nonlinear system is modeled by using the interval type-2 T-S fuzzy theory. The concept of parallel distributed compensation is adopted to design the interval type-2 T-S fuzzy controller. To analyze the stability, this work adopts the Lyapunov stability theory as a tool. While choosing the Lyapunov functional, th
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Liaw, Chi-Yang, and 廖志洋. "Design of Integral Sliding Mode Controller and Fuzzy Load Torque Observer with Application to Induction Motor Speed Control." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/27938611694817475778.

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碩士<br>國立成功大學<br>工程科學系<br>86<br>Sliding mode control has been widely applied to ac servo drive system in recent years because it has the advantages of insensitive to parameters variation, fast response and high precision. However, classical sliding mode control is very sensitive to external load disturbance and parameters variation of plant in reaching mode.In this thesis, an integral sliding mode controller is proposed. It makes the system lie on sliding line in the whole control process. F
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Chang, Feng-jun, and 張峯竣. "Delay-Dependent Exponential Optimal H ∞ Synchronization of Fuzzy Control for Nonidentical Chaotic Systems Using Genetic Algorithm." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/31990759234484504600.

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碩士<br>國立臺南大學<br>電機工程學系碩士班<br>100<br>In this study, a novel approach via genetic algorithm (GA)-based fuzzy control is proposed to realize the exponential optimal H ∞ synchronization of nonidentical multiple time-delay chaotic (MTDC) systems. A robustness design of model-based fuzzy control is first presented to overcome the effect of modeling errors between the MTDC systems and Takagi-Sugeno (T-S) fuzzy models. Next, a delay-dependent exponential stability criterion is derived in terms of Lyapunov’s direct method to guarantee that the trajectories of the slave system can approach those of the
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Chang, Deng-Hong, and 張登宏. "Robust H∞ control for uncertain T-S fuzzy time-delay systems with parametric and nonlinear perturbations." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/18345479535244142864.

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碩士<br>義守大學<br>電機工程學系碩士班<br>94<br>In this dissertation, the robust H∞ control for Takagi-Sugeno fuzzy systems with time-varying state and input delays is considered. New Lyapunov-Krasovskii functional theory and Leibniz-Newton formula are used to solve the robust H∞ control problem. Delay-dependent stabilizability criteria are proposed to achieve the H∞ controls for two classes of fuzzy systems with parametric and nonlinear uncertainties, respectively. LMI optimization approach is applied to solve the H∞ control problem. The minimization of H∞ norm bound is found from LMI formulation. From
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Hou, T. F., and 侯天富. "The Design of Nonlinear Fuzzy-Adaptive H∞ controller and its applications on themotion control of underwater ROV." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/82860054319582596352.

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碩士<br>國立成功大學<br>造船及船舶機械工程學系<br>88<br>In this study, we combined the H∞ control theory with Fuzzy-Adaptive controller to improve the tracking performance of Fuzzy-Adaptive controller in nonlinear cases. The unbiased estimation of states must be satisfied for Fuzzy-Adaptive controller to attenuate the tracking asymptically without disturbance, yet it is well known that the parameters and states of nonlinear systems are unknown, and the unbiased estimation of states is impossible for Fuzzy-Adaptive controller in nonlinear cases. If then the tracking performance of Fuzzy-Adaptive contro
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Wang, Shing-Kai, and 王星凱. "Stability and H∞ Performance Design of the Power Systemswith Time-Delays Using T-S Fuzzy Control Approach." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/59967508131919960527.

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碩士<br>大同大學<br>電機工程學系(所)<br>96<br>The major objectives in power system control design are to prevent electric power systems from losing synchronism after encountering disturbances and sudden faults, and to achieve good postfault frequency output and voltage regulation of the generators.Important control techniques used to improve the performance of the power systems are to rapidly increase excitation and to decrease the mechanical input power at the same time as a fault occurs. In this thesis, we concentrate our attention on power systems with interconnections and time-delays subject to externa
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(9798401), Yazeed Ghadi. "Advanced fuzzy logic based control systems for an institutional building in subtropical climate." Thesis, 2018. https://figshare.com/articles/thesis/Advanced_fuzzy_logic_based_control_systems_for_an_institutional_building_in_subtropical_climate/13446071.

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Building management systems (BMS) have the ability to monitor and control buildings mechanical and electrical systems, such as heating, ventilation and air conditioning (HVAC) and lighting systems, for providing indoor thermal comfort and reducing energy consumption. However, most HVAC systems are controlled using conventional controller the functions of which are based on ON/OFFs controller and Proportional-Integral-Derivative (PID) controllers. These controllers are not efficient at saving energy because of the operations of HVAC systems are nonlinear. Thus, the implementation of fuzzy-logic
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