Now showing items 1-20 of 121

  • A bilinear formulation for the motion planning of non-holonomic parallel orienting platforms 

    Grosch Obregon, Patrick John; Thomas, Federico (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Open Access
    This paper deals with the motion planning problem for parallel orienting platforms with one non-holonomic joint and two prismatic actuators which can maneuver to reach any three-degree-of-freedom pose of the moving platform. ...
  • A bounded-error approach to simultaneous state and actuator fault estimation for a class of nonlinear systems 

    Buciakowski, Mariusz; Witczak, Marcin; Puig Cayuela, Vicenç; Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Korbicz, Jozef (2017-04-01)
    Article
    Open Access
    This paper proposes an approach for the joint state and fault estimation for a class of uncertain nonlinear systems with simultaneous unknown input and actuator faults. This is achieved by designing an unknown input observer ...
  • A chaotic secure communication system design based on iterative learning control theory 

    Acho Zuppa, Leonardo (Multidisciplinary Digital Publishing Institute, 2016-10-01)
    Article
    Open Access
    This paper presents an application of Iterative Learning Control (ILC) theory to secure communication system design by using chaotic signals, where the logistic-map is employed as a source of chaos. Meanwhile, the ILC ...
  • A control-oriented hybrid modelling approach for sewer networks: Barcelona case study 

    Joseph Duran, Bernat; Ocampo-Martínez, Carlos; Cembrano Gennari, Gabriela (2013)
    Conference report
    Open Access
    A simplified sewer nework modelling approach based on the hybrid linear systems framework is discussed. It involives both continuous and discrete variables to include a novel approximation of the overflow and flow over ...
  • Actuator fault-tolerant control based on set separation 

    Ocampo-Martínez, Carlos; Doná, José A. de; Serón, María (2008)
    External research report
    Open Access
    In this report an actuator fault-tolerant control (FTC) strategy based on set separation is presented. The proposed scheme employs a bank of observers which match the different fault situations that can occur in the plant. ...
  • Adaptive estimation of time-varying parameters with application to roto-magnet plant 

    Na, Jing; Xing, Yashan; Costa Castelló, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2018-12-10)
    Article
    Open Access
    This paper presents an alternative adaptive parameter estimation framework for nonlinear systems with time-varying parameters. Unlike existing techniques that rely on the polynomial approximation of time-varying parameters, ...
  • Admissible Model Matching Fault Tolerant Control based on LPV Fault Representation 

    Montes de Oca, Saúl; Puig Cayuela, Vicenç; Theilliol, Didier; Tornil Sin, Sebastián (2009-11-19)
    Conference report
    Open Access
  • Advanced control systems research at UPC Terrassa Campus 

    Quevedo Casín, Joseba Jokin; Puig Cayuela, Vicenç (Campus de Terrassa de la UPC, 2013-06-13)
    Conference report
    Open Access
    Advanced Control Systems (SAC) is a multidiscip linary research group involving UPC professors and Spanish National Research Council (CSIC) researchers, focused on the wide subject of control and supervision of dynamic ...
  • A Fixed-Frequency Quasi-Sliding Control Algorithm: Application to Power Inverters Design by Means of FPGA Implementation 

    Ramos Lara, Rafael Ramón; Biel Solé, Domingo; Fossas Colet, Enric; Guinjoan Gispert, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2003-01-31)
    Article
    Open Access
    In this paper a fixed-frequency quasi-sliding control algorithm based on switching surface zero averaged dynamics (ZAD) is reported. This algorithm is applied to the design of a Buck-based inverter, and implemented in a ...
  • A modified Chua chaotic oscillator and its application to secure communications 

    Zapateiro, Mauricio; Acho Zuppa, Leonardo; Vidal Seguí, Yolanda (2014)
    Article
    Open Access
    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 ...
  • A multiobjective-based switching topology for hierarchical model predictive control applied to a hydro-power valley 

    Nuñez Vicencio, Alfredo; Ocampo-Martínez, Carlos; De Schutter, Bart; Valencia, Felipe; López, José D.; Espinosa, Jairo (2013)
    Conference report
    Open Access
    In a Hierarchical Model Predictive Control (H-MPC) framework, this paper explores suitable time-variant structures for the hierarchies of different local MPC controllers. The idea is to adapt to different operational ...
  • An adaptive controller for bilateral teleoperators: transatlantic experiments using the internet 

    Nuño Ortega, Emmanuel; Basañez Villaluenga, Luis; de Alba Padilla, Carlos; López Franco, Carlos (2012)
    Conference lecture
    Restricted access - publisher's policy
    A bilateral teleoperator is composed of a local and a remote manipulators interconnected through a communication channel. A human operator interacts with the local manipulator to remotely execute a given task via the ...
  • Análisis de estructuras de control para una planta de generación de H2 para pila de combustible 

    Biset, S; Basualdo, Marta; Garcia Mariel, Vanesa; Serra, Maria (2008)
    Conference report
    Restricted access - publisher's policy
    El sistema estudiado en este trabajo está compuesto por un conjunto de reactores que procesan etanol para obtener el H2 que reacciona con el oxígeno del aire en una celda de combustible. Estos dispositivos se emplean ...
  • Analysis and synthesis of control systems over wireless digital channels 

    Reza Karimi, Hamid; Niu, Yugang; Rossell Garriga, Josep Maria; Yang, Fuwen (2017-06-01)
    Article
    Open Access
  • Analysis of a bidirecctional coupled-inductor Cuk converter operating in sliding mode 

    Martínez Salamero, Luis; Calvente Calvo, Francisco Javier; Giral, Roberto; Poveda López, Alberto; Fossas Colet, Enric (Institute of Electrical and Electronics Engineers (IEEE), 1998-04-30)
    Article
    Open Access
    Analytic models for a bidirectional coupled-inductor Cuk converter operating in sliding mode are described. Using a linear combination of the converter four state variable errors as a general switching surface, the expression ...
  • Analysis of the control structures for an integrated ethanol processor for proton exchange membrane fuel cell systems 

    Biset, S; Nieto Deglioumini, Lucas; Basualdo, Marta; Garcia Mariel, Vanesa; Serra, Maria (2009)
    Article
    Open Access
    The aim of this work is to investigate which would be a good preliminary plantwide control structure for the process of Hydrogen production from bioethanol to be used in a proton exchange membrane (PEM) accounting only ...
  • An application of the Shapley value to perform system partitioning 

    Muros Ponce, Francisco; Maestre Torreblanca, José María; Algaba Durán, Encarnación; Ocampo-Martínez, Carlos; Fernández Camacho, Eduardo (2015)
    Conference report
    Open Access
    We introduce a new method to perform the partitioning of non-centralized dynamical linear systems based on the relevance of the possible interconnections among the smallest components of the system. In particular, we analyze ...
  • An extension of the unity vector control method 

    Roqueiro, Nestor; Do Carmo, L. M. M.; Silveira, H. B.; Fossas Colet, Enric (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    In this work, Unity Vector Control is revisited based on the results by V. Utkin and co-workers. The approach here presented extends the one reported by V. Utkin and co-workers so that independent feedback gains may be ...
  • An LPV Fractional Model for Canal Control 

    Bolea Monte, Yolanda; Martínez González, Rubén; Grau Saldes, Antoni; Martínez García, Herminio (PERGAMON PRESS. IFAC SERIES., 2009)
    Conference report
    Restricted access - publisher's policy
    In this paper an LPV non-integer order control model of an irrigation canal is derived from system identification experiments. This model is experimentally obtained by using the described LPV fractional identification ...
  • An LPV modelling and fault diagnosis in wind turbine benchmark system 

    Chouiref, Houda; Boussaid, B.; Abdelkrim, Mohamed Naceur; Puig Cayuela, Vicenç; Aubrun, C (2017-07-01)
    Article
    Open Access
    In order to keep away wind turbines from catastrophic conditions due to sudden breakdowns, it is important to detect faults as soon as possible. For diagnosis, a model-based approach is chosen. There are many works that ...