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  • Power control design for variable-speed wind turbines

     Vidal Segui, Yolanda; Acho Zuppa, Leonardo; Luo Ren, Ningsu; Zapateiro, Mauricio; Pozo Montero, Francesc
    Date of publication: 2014
    Book chapter

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    This important book presents a selection of new research on wind turbine technology, including aerodynamics, generators and gear systems, towers and foundations, control systems, and environmental issues. This book introduces some of the basic principle of wind turbine design. The different chapters discuss ways to analyze wind turbine performance, approaches for wind turbine improvement, fault detection in wind turbines, and how to mediate the adverse effects of wind turbine use. The book is broken into four sections: the first focuses on wind turbine blade design, the second goes into detail on generators and gear systems, the third focuses on wind turbine towers and foundations, the fourth is on control systems, and the final section discusses some of the environmental issues. This informative book: ¿ introduces the principles of wind turbine design ¿ covers methods for analysis of wind turbine performance ¿ discusses approaches for wind turbine improvement and optimization ¿ covers fault detection in wind turbines ¿ discusses mediating the adverse effects of wind turbine use and installation

  • Hardware in the loop wind turbine simulator for control system testing

     Vidal Segui, Yolanda; Acho Zuppa, Leonardo; Luo Ren, Ningsu; Tutivén Gálvez, Christian
    Date of publication: 2014
    Book chapter

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  • Power control design for variable-speed wind turbines

     Vidal Segui, Yolanda; Acho Zuppa, Leonardo; Luo Ren, Ningsu; Zapateiro, Mauricio; Pozo Montero, Francesc
    DOI: 10.1201/b16587-14
    Date of publication: 2014-03
    Book chapter

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    This important book presents a selection of new research on wind turbine technology, including aerodynamics, generators and gear systems, towers and foundations, control systems, and environmental issues. This book introduces some of the basic principle of wind turbine design. The different chapters discuss ways to analyze wind turbine performance, approaches for wind turbine improvement, fault detection in wind turbines, and how to mediate the adverse effects of wind turbine use. The book is broken into four sections: the first focuses on wind turbine blade design, the second goes into detail on generators and gear systems, the third focuses on wind turbine towers and foundations, the fourth is on control systems, and the final section discusses some of the environmental issues. This informative book: ¿ introduces the principles of wind turbine design ¿ covers methods for analysis of wind turbine performance ¿ discusses approaches for wind turbine improvement and optimization ¿ covers fault detection in wind turbines ¿ discusses mediating the adverse effects of wind turbine use and installation

    This important book presents a selection of new research on wind turbine technology, including aerodynamics, generators and gear systems, towers and foundations, control systems, and environmental issues. This book introduces some of the basic principle of wind turbine design. The different chapters discuss ways to analyze wind turbine performance, approaches for wind turbine improvement, fault detection in wind turbines, and how to mediate the adverse effects of wind turbine use. The book is broken into four sections: the first focuses on wind turbine blade design, the second goes into detail on generators and gear systems, the third focuses on wind turbine towers and foundations, the fourth is on control systems, and the final section discusses some of the environmental issues. This informative book: • introduces the principles of wind turbine design • covers methods for analysis of wind turbine performance • discusses approaches for wind turbine improvement and optimization • covers fault detection in wind turbines • discusses mediating the adverse effects of wind turbine use and installation

  • A secure communication scheme based on the synchronization of a chaotic systems

     Zapateiro, Mauricio; Acho Zuppa, Leonardo; Vidal Segui, Yolanda
    Date of publication: 2014
    Book chapter

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    A modified Chua chaotic oscillator and its application to secure communications  Open access

     Zapateiro, Mauricio; Acho Zuppa, Leonardo; Vidal Segui, Yolanda
    Applied mathematics and computation
    Vol. 247, p. 712-722
    DOI: 10.1016/j.amc.2014.09.031
    Date of publication: 2014
    Journal article

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    In this paper, a new modified Chua oscillator is introduced. The original Chua oscillator is well known for its simple implementation and mathemati- cal modeling. A modification of the oscillator is proposed in order to facilitate the synchronization and the encryption and decryption scheme. The modifi- cation consists in changing the nonlinear term of the original oscillator to a smooth and bounded nonlinear function. A bifurcation diagram, a Poincar ´e map and the Lyapunov exponents are presented as proofs of chaoticity of the newly modified oscillator. An application to secure communications is pro- posed in which two channels are used. Numerical simulations are performed in order to analyze the communication system.

    In this paper, a new modified Chua oscillator is introduced. The original Chua oscillator is well known for its simple implementation and mathemati- cal modeling. A modification of the oscillator is proposed in order to facilitate the synchronization and the encryption and decryption scheme. The modifi- cation consists in changing the nonlinear term of the original oscillator to a smooth and bounded nonlinear function. A bifurcation diagram, a Poincar ´e map and the Lyapunov exponents are presented as proofs of chaoticity of the newly modified oscillator. An application to secure communications is pro- posed in which two channels are used. Numerical simulations are performed in order to analyze the communication system.

    Postprint (author’s final draft)

  • An effective wind speed observer for pitch fault detection in wind turbines

     Vidal Segui, Yolanda; Cárdenas, Clemente; Acho Zuppa, Leonardo; Gorostiaga, Lázaro
    Renewable Energy and Power Quality Journal
    num. 12, p. 1-5
    Date of publication: 2014-04-14
    Journal article

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    This paper presents a methodology to design an effective wind speed observer using an alternative mathematical representation of the aerodynamic torque of a variable-speed wind turbine. This alternative model is linear in parameters. Then, using this observer, a pitch fault detection scheme is conceived. Numerical experiments using the National Renewable Energy Laboratory wind turbine simulator FAST (Fatigue, Aerodynamics, Structures, and Turbulence) code were performed to support the design.

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    A secure communication system based on a modified chaotic chua oscillator  Open access

     Zapateiro, Mauricio; Acho Zuppa, Leonardo; Vidal Segui, Yolanda
    Chaotic Modeling and Simulation International Conference
    p. 75-84
    Presentation's date: 2014
    Presentation of work at congresses

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    In this paper we propose a new scheme for secure communications us- ing a modified Chua oscillator. A modification of the oscillator is proposed in order to facilitate the decryption. The communication system requires two channels for transmitting the message. One of the channels transmits a chaotic signal generated by the oscillator and is used for synchronization. The second channel transmits the message encrypted by a nonlinear function. This function is built in terms of one of the chaotic signals, different from that sent on the first channel. In the receiver side, a synchronizer reconstructs the chaotic oscillator signals, one of which is used for the decryption of the message. The synchronization system is designed via Lyapunov theory and chaoticity proves via Poincar ´e maps and Lyapunov exponents will be pro- vided in order to demonstrate the feasibility of our system. Numerical simulations will be used to evaluate the performance of the system.

    In this paper we propose a new scheme for secure communications us- ing a modified Chua oscillator. A modification of the oscillator is proposed in order to facilitate the decryption. The communication system requires two channels for transmitting the message. One of the channels transmits a chaotic signal generated by the oscillator and is used for synchronization. The second channel transmits the message encrypted by a nonlinear function. This function is built in terms of one of the chaotic signals, different from that sent on the first channel. In the receiver side, a synchronizer reconstructs the chaotic oscillator signals, one of which is used for the decryption of the message. The synchronization system is designed via Lyapunov theory and chaoticity proves via Poincar ´e maps and Lyapunov exponents will be pro- vided in order to demonstrate the feasibility of our system. Numerical simulations will be used to evaluate the performance of the system.

  • Semi-active control of flexible structures using acceleration information via peak-detector systems

     Pujol Vazquez, Gisela; Acho Zuppa, Leonardo
    World Conference on Structural Control and Monitoring
    p. 1893-1901
    Presentation's date: 2014-07-16
    Presentation of work at congresses

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    This paper presents an implementation of a novel semi-active controller that uses only acceleration information, via a magnetorheorological damper, on a flexible structure. This controller was motivated by the scheme of a peak-detector system used on electronics circuits. That is, given a peak-detector system, we modify it to develop a novel semi-active controller. The experimental setup consisting of a two-story flexible structure, where the magnetorheorological damper is connected in a `semi¿-brace connection, demonstrates an acceptable performance of our semi-active controller when it is compared with classical semi-active controllers.

  • Hardware-in-the-loop platform for the test of wind turbine controllers

     Vidal Segui, Yolanda; Acho Zuppa, Leonardo; Pujol Vazquez, Gisela; Luo Ren, Ningsu
    World Conference on Structural Control and Monitoring
    Presentation's date: 2014-07-16
    Presentation of work at congresses

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    This paper illustrates how to set up a Hardware-in-the-Loop (HiL) platform for the test of wind turbine (WT) controllers. The dynamics of the WT are simulated on the National Renewable Energy Laboratory WT simulator FAST (Fatigue, Aerodynamics, Structures, and Turbulence) code, which emulates all required input signals of the controller and reacts to the controller commands (almost) like a real turbine. The dynamic torque control system runs on an Arduino Mega microcontroller board which is connected to the virtual WT via USB. In particular, the power generation control in variable-speed variable-pitch wind turbines is considered through torque and pitch control. Two previously published torque controllers are tested under the proposed experimental HiL setup.

  • An effective wind speed observer for pitch fault detection in wind turbines

     Vidal Segui, Yolanda; Cárdenas, Clemente; Acho Zuppa, Leonardo; Gorostiaga, Lázaro
    International Conference on Renewable Energies and Power Quality
    Presentation's date: 2014-04-07
    Presentation of work at congresses

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    This paper presents a methodology to design an effective wind speed observer using an alternative mathematical representation of the aerodynamic torque of a variable-speed wind turbine. This alternative model is linear in parameters. Then, using this observer, a pitch fault detection scheme is conceived. Numerical experiments using the National Renewable Energy Laboratory wind turbine simulator FAST (Fatigue, Aerodynamics, Structures, and Turbulence) code were performed to support the design.

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    Nonlinear reset integrator control design: Application to the active suspension control of vehicles  Open access

     Acho Zuppa, Leonardo
    IASTED-International Conference Modelling, Identification and Control
    p. 226-228
    Presentation's date: 2014-02-17
    Presentation of work at congresses

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    We present an unexampled reset integrator control design based on the Clegg integrator system. Using an appropriate mathematical model of our Clegg integrator controller, stability proof of the closed-loop system applied to the vibration control problem of a second-order system is shown without invoking hybrid system theory. Furthermore, we illustrate the pplicability of our controller, from the numerical experiment point of view, to the suspension vibration control of vehicles.

    We present an unexampled reset integrator control design based on the Clegg integrator system. Using an appropriate mathematical model of our Clegg integrator controller, stability proof of the closed-loop system applied to the vibration control problem of a second-order system is shown without invoking hybrid system theory. Furthermore, we illustrate the pplicability of our controller, from the numerical experiment point of view, to the suspension vibration control of vehicles.

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    Robust H2 static output feedback to control an automotive throttle valve  Open access

     Vargas, Alessandro; Acho Zuppa, Leonardo; Pujol Vazquez, Gisela; Oliveira, Ricardo C.L.F.; do Val, Joao B.R.; Peres, Pedro L.D.
    American Control Conference
    p. 3141-3146
    Presentation's date: 2014-06
    Presentation of work at congresses

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    The paper presents a control strategy for an automotive electronic throttle body, a device largely used into vehicles to increase the efficiency of the combustion engines. The synthesis of the proposed controller is based on a linear matrix inequality (LMI) formulation, which allows us to deal with uncertainties on the measurements of the position of the throttle valve. The LMI approach generates a suboptimal solution for the robust H-2 static output feedback control problem, and the corresponding suboptimal control gain was evaluated in practice to control the valve position of the throttle. The usefulness of the approach has been verified not only by numerical simulations but also by real experiments taken in a laboratory prototype.

    The paper presents a control strategy for an automotive electronic throttle body, a device largely used into vehicles to increase the efficiency of the combustion engines. The synthesis of the proposed controller is based on a linear matrix inequality (LMI) formulation, which allows us to deal with uncertainties on the measurements of the position of the throttle valve. The LMI approach generates a suboptimal solution for the robust H-2 static output feedback control problem, and the corresponding suboptimal control gain was evaluated in practice to control the valve position of the throttle. The usefulness of the approach has been verified not only by numerical simulations but also by real experiments taken in a laboratory prototype.

  • Adaptive switched linear systems with average dwell time to compensate external disturbances

     Acho Zuppa, Leonardo
    Universal Journal of Control and Automation
    Vol. 1, num. 3, p. 86-89
    DOI: 10.13189 /ujca.2013.010304
    Date of publication: 2013-11
    Journal article

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  • Robust control design for mechanisms with backlash

     Acho Zuppa, Leonardo; Ikhouane, Fayçal; Pujol Vazquez, Gisela
    Journal of Control Engineering and Technology
    Vol. 3, num. 4, p. 175-180
    Date of publication: 2013-10
    Journal article

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  • Experimental study of semiactive VSC techniques for vehicle vibration reduction

     Pozo Montero, Francesc; Zapateiro De La Hoz, Mauricio Fabian; Acho Zuppa, Leonardo; Vidal Segui, Yolanda; Luo Ren, Ningsu
    Journal of the Franklin Institute
    Vol. 350, num. 1, p. 1-18
    DOI: 10.1016/j.jfranklin.2012.11.008
    Date of publication: 2013-02
    Journal article

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  • Control activo de vibraciones en estructuras sometidas a excitaciones dinámicas multidireccionales

     Acho Zuppa, Leonardo; Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Zapateiro De La Hoz, Mauricio Fabian; Karimi, Hamid Reza; Rossell Garriga, Josep Maria
    Competitive project

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  • Hysteresis modeling and synchronization of a class of RC-OTA hysteretic-jounce-chaotic oscillators

     Acho Zuppa, Leonardo
    Universal Journal of Applied Mathematics
    Vol. 1, num. 2, p. 82-85
    Date of publication: 2013-10-05
    Journal article

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  • A secure communication scheme based on chaotic Duffing oscillators and frequency estimation for the transmission of binary-coded messages

     Zapateiro, Mauricio; Vidal Segui, Yolanda; Acho Zuppa, Leonardo
    Communications in nonlinear science and numerical simulation
    Vol. 19, num. 4, p. 991-1003
    DOI: 10.1016/j.cnsns.2013.07.029
    Date of publication: 2013-04-13
    Journal article

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    This work presents a new technique to securely transmit and retrieve a message signal via chaotic systems. The main contribution of this paper is two-fold: the way that the message signal is encrypted in the frequency of a sinusoidal term and a novel frequency estimator for retrieving the message. In our system, a two-valued message signal modulates the fre- quency of the Duffing oscillator sinusoidal term. Then, two chaotic signals generated by the oscillator are encrypted with a Delta modulator and sent through a noisy channel. A Lyapu- nov-based observer is used in the receiver side to retrieve the sinusoidal term that contains the message and a novel frequency estimator is then used to retrieve the confidential mes- sage signal. The system was implemented in Matlab/Simulink in order to analyze its performance.

  • Active control for a perturbed flexible structure: An experimental study

     Pujol Vazquez, Gisela; Acho Zuppa, Leonardo
    Asian journal of control
    Vol. 15, num. 6, p. 1566-1570
    DOI: 10.1002/asjc.582
    Date of publication: 2013-11
    Journal article

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  • Modeling and synchronization of multivibrator oscillators

     Acho Zuppa, Leonardo
    Cybernetics and physics
    Vol. 2, num. 1, p. 5-9
    Date of publication: 2013-04-14
    Journal article

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    In this work we present a mathematical modeling of astable (or free-running) multivibrator oscillators. Then, using this model, we develop an algorithm to synchronize two multivibrator oscillators. Lyapunov's theory is employed to validate our design. Numerical and experimental results are given to support our findings.

  • Power regulation of wind turbines using torque and pitch Control

     Pozo Montero, Francesc; Vidal Segui, Yolanda; Acho Zuppa, Leonardo; Luo Ren, Ningsu; Zapateiro, Mauricio
    American Control Conference
    p. 6501-6506
    Presentation's date: 2013-06-19
    Presentation of work at congresses

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    Power generation control in variable-speed variable-pitch horizontal-axis wind turbines operating at high wind speeds is considered in this work. A torque and pitch control strategies are proposed, implemented and validated using the National Renewable Energy Laboratory wind turbine simulator FAST (Fatigue, Aerodynamics, Structures, and Turbulence) code. Numerical results show that the proposed controllers are effective for power regulation. The performance of the contributed controllers is compared to some state-of-the-art methodologies showing its improvements.

  • Diseño de un modulo electronico para la enseñanza de un sistema de control de posicio¡n de un motor de corriente directa manipulado magneticamente

     Acho Zuppa, Leonardo; Pujol Vazquez, Gisela
    Congreso Universitario de Innovación Educativa en las Enseñanzas Técnicas (CUIEET)
    p. 709-715
    Presentation's date: 2013-07-11
    Presentation of work at congresses

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    The objective of this paper is to grant an experimental board to teach a controller able to regulate the position of a DC motor magnetically manipulated. This board is armed using analog electronics, being a low cost design.

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    A new device laboratory: Experimental validation  Open access

     Pujol Vazquez, Gisela; Acho Zuppa, Leonardo; Napoles Alberro, Amelia Emelina; Estrada, J.; Santos Ferreira, Denise Carina; Perez Gracia, Maria de La Vega
    IFAC Symposium on Advances in Control Education
    p. 226-231
    DOI: 10.3182/20130828-3-UK-2039.00035
    Presentation's date: 2013-08
    Presentation of work at congresses

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    A device laboratory was designed to create a commanded disturbance to the Furuta inverted pendulum. This pendulum was modified by adding a second inverted pendulum coupled to the main one by means of a semi-rigid spring. The induced motion on the second inverted pendulum causes displacement of the center of mass of the system, producing a kind of perturbation similar to that presented on mobile inverted pendulum transportation units. A linear matrix inequality (LMI) controller is designed from the unperturbed model (based on the main pendulum without the second inverted one) and implemented to our system. Then, experimentally, the behaviour of the whole closed-loop system and the controller performance was analysed. According to the laboratory test, the LMI controller is robust enough in front of perturbation induced on the second pendulum.

  • Actividad de coordinacion interdepartamental: Experimentación mecatrónica de un péndulo invertido

     Pujol Vazquez, Gisela; Acho Zuppa, Leonardo; Napoles Alberro, Amelia Emelina; Perez Gracia, Maria de La Vega
    Congreso Universitario de Innovación Educativa en las Enseñanzas Técnicas (CUIEET)
    p. 724-731
    Presentation's date: 2013-07-11
    Presentation of work at congresses

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    From the educational point of view, collaboration between departments is always enriching. This paper presents how a problem arose in the area of mechanics, was resolved and implemented in the laboratory of the Department of Applied Mathematics III. From this collaboration came two graduate projects. In particular, graduate Mechanical students learned about control techniques, and applied it to the classic inverted pendulum experiment to study the Segway.

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    A chaotic secure communication scheme based on duffing oscillators and frequency estimation  Open access

     Zapateiro De La Hoz, Mauricio Fabian; Vidal Segui, Yolanda; Acho Zuppa, Leonardo
    IFAC Symposium on Nonlinear Control Systems
    Presentation's date: 2013-09-04
    Presentation of work at congresses

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    This work presents a new technique to securely transmit and retrieve a message signal via chaotic systems. In our system, a two-valued message signal modulates the frequency of a Duffing oscillator sinusoidal term. An observer is used in the receiver side to retrieve the sinusoidal signal that contains the message and a novel frequency estimator is then used to reproduce an approximated estimation of the message signal. The performance of the system is analyzed by means of numerical simulations performed in Matlab.

    Postprint (author’s final draft)

  • Estrategias avanzadas de control estructural para mitigar los efectos de las cargas dinámicas en los aerogeneradores offshore flotantes. Advanced structural control strategies for mitigating the dynamic load effects on floating offshore wind turbines

     Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Luo Ren, Ningsu; Rubió Massegú, Josep; Acho Zuppa, Leonardo; Zapateiro De La Hoz, Mauricio Fabian; Karimi, Hamid Reza; Luigi Botasso, Carlo
    Competitive project

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  • Estrategias avanzadas de control estructural para mitigar los efectos de las cargas dinámicas en los aerogener. offshore flotantes

     Acho Zuppa, Leonardo; Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Vidal Segui, Yolanda; Rossell Garriga, Josep Maria
    Competitive project

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  • Study of faulty perturbed systems: Application on flexible structures

     Acho Zuppa, Leonardo; Pujol Vazquez, Gisela
    Journal of Control Engineering and Technology
    Vol. 2, num. 4, p. 154-159
    Date of publication: 2012-10-30
    Journal article

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  • Robust fault detection in hysteretic base-isolation systems

     Vidal Segui, Yolanda; Acho Zuppa, Leonardo; Pozo Montero, Francesc
    Mechanical systems and signal processing
    Vol. 29, p. 447-456
    DOI: 10.1016/j.ymssp.2011.11.025
    Date of publication: 2012-05
    Journal article

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  • Power control design for variable-speed wind turbines

     Vidal Segui, Yolanda; Acho Zuppa, Leonardo; Luo Ren, Ningsu; Zapateiro De La Hoz, Mauricio Fabian; Pozo Montero, Francesc
    Energies
    Vol. 5, num. 8, p. 3033-3050
    DOI: 10.3390/en5083033
    Date of publication: 2012
    Journal article

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  • LMI control design on structural systems with experimental study

     Pujol Vazquez, Gisela; Acho Zuppa, Leonardo
    European Conference on Structural Control
    p. 1-8
    Presentation's date: 2012-06-19
    Presentation of work at congresses

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  • Experimental study of an active control for a faulty perturbed flexible structure

     Acho Zuppa, Leonardo; Pujol Vazquez, Gisela; Rossell Garriga, Josep Maria
    Mediterranean Conference on Control and Automation
    p. 451-456
    Presentation's date: 2012-07-04
    Presentation of work at congresses

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  • Adaptive control design of structural systems

     Acho Zuppa, Leonardo; Pujol Vazquez, Gisela
    American Control Conference
    p. 6120-6125
    Presentation's date: 2012-06-29
    Presentation of work at congresses

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  • A fault detection method for hysteretic base-isolation systems

     Vidal Segui, Yolanda; Acho Zuppa, Leonardo; Rodellar Benede, Jose Julian; Pozo Montero, Francesc
    Date of publication: 2011-02
    Book chapter

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  • A velocity based active vibration control of hysteretic systems

     Pujol Vazquez, Gisela; Acho Zuppa, Leonardo; Pozo Montero, Francesc; Rodriguez, Arturo; Vidal Segui, Yolanda
    Mechanical systems and signal processing
    Vol. 25, num. 1, p. 465-474
    DOI: 10.1016/j.ymssp.2010.08.011
    Date of publication: 2011-01
    Journal article

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  • Force-derivative feedback semi-active control of base-isolated buildings using large-scale MR fluid dampers

     Rodríguez, Arturo; Pozo Montero, Francesc; Bahar, Arash; Acho Zuppa, Leonardo; Vidal Segui, Yolanda; Rodellar Benede, Jose Julian
    Structural control & health monitoring
    Vol. 19, num. 1, p. 120-145
    DOI: 10.1002/stc.430
    Date of publication: 2011
    Journal article

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    Force-derivative feedback semi-active control of base-isolated buildings using large-scale MR fluid dampers  Open access

     Pozo Montero, Francesc; Rodriguez Tsouroukdissian, Arturo; Acho Zuppa, Leonardo; Vidal Segui, Yolanda; Rodellar Benede, Jose Julian
    International Conference on Structural Dynamics
    p. 1839-1845
    Presentation's date: 2011
    Presentation of work at congresses

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  • Hysteresis modeling of a class of RC-OTA hysteretic-chaotic generators

     Acho Zuppa, Leonardo; Vidal Segui, Yolanda
    International Scientific Conference on Physics and Control
    Presentation's date: 2011-09-06
    Presentation of work at congresses

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  • Robust control design of structural systems with experimental study under faults

     Pujol Vazquez, Gisela; Acho Zuppa, Leonardo
    IASTED International Conference on Intelligent Systems and Control
    p. 162-168
    DOI: 10.2316/P.2011.744-041
    Presentation's date: 2011-07-13
    Presentation of work at congresses

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  • Chattering control design on a variable-speed horizontal-axis wind turbine

     Acho Zuppa, Leonardo; Vidal Segui, Yolanda; Pozo Montero, Francesc; Zapateiro De La Hoz, Mauricio Fabian; Luo Ren, Ningsu
    Seminar for Advanced Industrial Control Applications
    p. 70-76
    Presentation's date: 2011-11
    Presentation of work at congresses

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    A velocity based active vibration control of hysteretic systems  Open access

     Pozo Montero, Francesc; Pujol Vazquez, Gisela; Acho Zuppa, Leonardo; Rodriguez Tsouroukdissian, Arturo; Vidal Segui, Yolanda
    World Congress of the International Federation of Automatic Control
    p. 5243-5248
    Presentation's date: 2011-08-30
    Presentation of work at congresses

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    Control of base-isolated systems using force feedback  Open access

     Pozo Montero, Francesc; Rodríguez Tsouroukdissian, Arturo; Acho Zuppa, Leonardo; Vidal Segui, Yolanda; Rodellar Benede, Jose Julian
    American Control Conference
    p. 2510-2515
    Presentation's date: 2011-06-30
    Presentation of work at congresses

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  • Identificación de sistemas no lineales. Bloques con histéresis

     Pozo Montero, Francesc; Ikhouane, Fayçal; Rodellar Benede, Jose Julian; Chaoui, Fatima-Zahra; Pujol Vazquez, Gisela; Acho Zuppa, Leonardo; Mujica Delgado, Luis Eduardo
    Competitive project

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  • Fault detection in base-isolation systems via a restoring force observer

     Vidal Segui, Yolanda; Acho Zuppa, Leonardo; Pozo Montero, Francesc; Rodellar Benede, Jose Julian
    International Conference on Control and Fault-Tolerant Systems
    p. 777-782
    Presentation's date: 2010-10-08
    Presentation of work at congresses

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  • Robust variable speed control of a wind turbine

     Acho Zuppa, Leonardo; Vidal Segui, Yolanda; Pozo Montero, Francesc
    International journal of innovative computing information and control
    Vol. 6, num. 4, p. 1925-1933
    Date of publication: 2010-04
    Journal article

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    Parameter identification of large-scale magnetorheological dampers in a benchmark building  Open access

     Bahar, Arash; Pozo Montero, Francesc; Acho Zuppa, Leonardo; Rodellar Benede, Jose Julian; Barbat Barbat, Horia Alejandro
    Computers & structures
    Vol. 88, num. 3-4, p. 198-206
    DOI: 10.1016/j.compstruc.2009.10.002
    Date of publication: 2010-02-01
    Journal article

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    Magnetorheological (MR) dampers are devices that can be used for vibration reduction in structures. However, to use these devices in an effective way,a precise modeling is required. In this sense, in this paper we consider a modified parameter identification method of large-scale magnetorheological dampers which are represented using the normalized Bouc-Wen model. The main benefit of the proposed identification algorithm is the accuracy of the parameter estimation. The validation of the parameter identification method has been carried out using a black box model of an MR damper in a smart base-isolated benchmark building. Magnetorheological dampers are used in this numerical platform both as isolation bearings as well as semiactive control devices.

    Postprint (author’s final draft)

  • Stabilization of the furuta pendulum with backlash using H-infinity LMI technique: Experimental validation

     Pujol Vazquez, Gisela; Acho Zuppa, Leonardo
    Asian journal of control
    Vol. 12, num. 4, p. 460-467
    Date of publication: 2010
    Journal article

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  • Hierarchical semi-active control of base-isolated structures using a new inverse model of magnetorheological dampers

     Bahar, Arash; Pozo Montero, Francesc; Acho Zuppa, Leonardo; Rodellar Benede, Jose Julian; Barbat Barbat, Horia Alejandro
    Computers & structures
    Vol. 88, num. 7-8, p. 483-496
    DOI: 10.1016/j.compstruc.2010.01.006
    Date of publication: 2010-04
    Journal article

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    Active control of hysteretic base-isolated structures via delayed signals  Open access

     Acho Zuppa, Leonardo; Luo Ren, Ningsu; Vidal Segui, Yolanda; Pozo Montero, Francesc
    World Conference on Structural Control and Monitoring
    p. 1-8
    Presentation's date: 2010-07
    Presentation of work at congresses

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    Force-derivative feedback semi-active control of base-isolated buildings using large-scale MR fluid dampers  Open access

     Rodriguez Tsouroukdissian, Arturo; Bahar, Arash; Pozo Montero, Francesc; Acho Zuppa, Leonardo; Vidal Segui, Yolanda; Rodellar Benede, Jose Julian
    World Conference on Structural Control and Monitoring
    p. 1-32
    Presentation's date: 2010-07
    Presentation of work at congresses

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