Now showing items 1-20 of 27

    • A self-test and dynamics characterization circuit for MEMS electrostatic actuators 

      Fernández Martínez, Daniel; Madrenas Boadas, Jordi; Cosp Vilella, Jordi (2011-03)
      Article
      Restricted access - publisher's policy
      This paper presents a high-bandwidth capacitance estimation and driving circuit especially tailored for its use with MEMS electrostatic actuators. The circuit can be integrated as a part of a system comprising an electrostatic ...
    • A virtual actuator approach for fault tolerant control of switching LPV systems 

      Rotondo, Damiano; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (2014)
      Conference report
      Restricted access - publisher's policy
      In this paper, virtual actuators are proposed as a Fault Tolerant Control (FTC) strategy for switching Linear Parameter Varying (LPV) systems subject to actuator faults. The overall solution relies on the addition of a ...
    • Accurate determination of the frequency response function of submerged and confined structures by using PZT-patches 

      Presas Batlló, Alexandre; Valentín Ruiz, David; Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Bossio, Matias (2017-03-22)
      Article
      Open Access
      To accurately determine the dynamic response of a structure is of relevant interest in many engineering applications. Particularly, it is of paramount importance to determine the Frequency Response Function (FRF) for ...
    • Actuator-fault detection and isolation based on interval observers and invariant sets 

      Xu, Feng; Puig Cayuela, Vicenç; Ocampo-Martínez, Carlos; Stoican, Florin; Olaru, Sorin (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      This paper proposes an interval observer-based actuator fault detection and isolation (FDI) approach. An interval observer matching the healthy system mode is designed to monitor the system. When the system is in different ...
    • Aparcamiento robotizado en un aeropuerto 

      Almeda Millan, Ramses (Universitat Politècnica de Catalunya, 2016-07-22)
      Bachelor thesis
      Open Access
      Nowadays, it exists a relevant difficulty with the building land. Therefore, the land optimization has become an essential need in every single facility developed. The areas with high population density imply also high ...
    • Apoderament d'una xarxa d'actuadors amb integració en un gestor web 

      Borràs Conte, Marc (Universitat Politècnica de Catalunya, 2017-10)
      Master thesis
      Open Access
    • Application of Active Flow Control on airfoils at ultralow Reynolds numbers 

      San Gabriel Romero, Carlos (Universitat Politècnica de Catalunya, 2019-10-29)
      Bachelor thesis
      Open Access
      In a previous research Active Flow Control techniques, such as sweeping jets, applied in an ultra-low Reynolds regime (Re=1000) were found effective to reattach an already separated flow achieving lift enhancements but ...
    • Casc per a personal de serveis d'emergència controlat per veu 

      Boada Torre-Marín, Jordi (Universitat Politècnica de Catalunya, 2017-07)
      Bachelor thesis
      Open Access
      Aquest projecte ha pretès la creació d’un prototip d’equip de protecció individual que permeti la interacció amb diferents actuadors mitjançant un control per veu, facilitant i fent més segures les accions del portador en ...
    • Diseño de una plataforma de desarrollo de algoritmos de control para Actuadores electrostáticos MEMS 

      Casas Martínez, José Luis (Universitat Politècnica de Catalunya, 2014-03-26)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] The design of a platform for development of algorithms to control electrostatic actuators MEMS is proposed. This platform forms, an electronic circuit for the estimation of the distance or the capacity of an ...
    • Disseny d’un sistema de control climàtic per cultius hidropònics en petits hivernacles domèstics 

      Alarcón García, Óscar (Universitat Politècnica de Catalunya, 2008-07-15)
      Master thesis (pre-Bologna period)
      Open Access
      Aquest projecte s’engloba en l’àmbit de la automatització de cultius hidropònics en petits hivernacles domèstics. Els cultius hidropònics, envers als cultius tradicionals, tenen la característica d’utilitzar substrats ...
    • Estudio del comportamiento dinámico de un actuador lineal para mini-cargadoras 

      Alemany Juvanteny, Ignasi (Universitat Politècnica de Catalunya, 2017-06-10)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Roquet Hydraulics
      L'objectiu bàsic del TFG és l'estudi del comportament fluid-mecánio d'un cilindre hidràulic quan arriba al final de carrera.
    • Fault tolerant control of uncertain dynamical systems using interval virtual actuators 

      Rotondo, Damiano; Cristofaro, Andrea; Johansen, Tor Arne (2018-01-25)
      Article
      Open Access
      In this paper, a model reference fault tolerant control strategy based on a reconfiguration of the reference model, with the addition of a virtual actuator block, is presented for uncertain systems affected by disturbances ...
    • Fault tolerant control of unstable LPV systems subject to actuator saturations using virtual actuators 

      Rotondo, Damiano; Ponsart, J. C.; Theilliol, Didier; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (International Federation of Automatic Control (IFAC), 2015)
      Conference report
      Restricted access - publisher's policy
      An active fault tolerant control (FTC) strategy for open-loop unstable linear parameter varying (LPV) systems subject to actuator saturations and faults is proposed in this paper. At first, the nominal controller is designed ...
    • Flow topology and heat transfer analysis of slotted and axisymmetric synthetic impinging jets 

      Miró Jané, Arnau; Soria Guerrero, Manel; Cajas García, Juan Carlos; Rodríguez Pérez, Ivette María; Moulinec, Charles (2021-06)
      Article
      Restricted access - publisher's policy
      This work is focused on exploring the flow and heat transfer capabilities for slotted and axisymmetric cavity configurations for synthetic impinging jets; the jet is enclosed between two isothermal parallel plates, impinging ...
    • Fluid flow and heat transfer simulation of an electro hydraulic actuator 

      Oehler Couso, Daniel (Universitat Politècnica de Catalunya / Technische Universität Wien, 2016)
      Master thesis (pre-Bologna period)
      Open Access
      Every technological system has to be improved and developed with time to stay competitive in the market. These means anticipate and solvent every possible problem that can appear in a mechanical system and propose new ...
    • Low-frequency noise characterization of a magnetic field monitoring system using an anisotropic magnetoresistance 

      Mateos, Ignacio; Ramos Castro, Juan José; Lobo, J.A. (2015-11-01)
      Article
      Open Access
      A detailed study about magnetic sensing techniques based on anisotropic magnetoresistive sensors shows that the technology is suitable for low-frequency space applications like the eLISA mission. Low noise magnetic ...
    • Lowering traffic without sacrificing performance in networked control systems 

      Martí Colom, Pau; Velasco García, Manel; Yépez Castillo, José Gregorio; Martín Rull, Enric Xavier (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Conference lecture
      Restricted access - publisher's policy
      In Networked Control Systems (NCS), the amount of control data exchanged between sensors, controllers and actuators nodes highly depends on the control performance specifications given to each networked control loop. ...
    • Maqueta de sensoritació i actuació a distància 

      Morros Martí, Marc (Universitat Politècnica de Catalunya, 2010-01)
      Master thesis (pre-Bologna period)
      Open Access
      Com molt bé diu el seu nom, la Maqueta de sensorització i actuació a distància, permet tenir el control a distància d'algun sistema. Tenir el control d'un sistema equival a tenir monitoritzat l'estat del sistema a controlar ...
    • Numerical modelling of synthetic jets for cooling: a viability study 

      Morán Sandoval, Santiago (Universitat Politècnica de Catalunya, 2018-04-20)
      Master thesis
      Restricted access - author's decision
      Synthetic Jet (SJ) actuators consit on a moving diaphragm in a cavity which expulses and ingests fluid through an orifice. This expulsed fluid forms the SJ , which transfers kinetic energy to a fluid without the necessity ...
    • On the use of PZT-Patches as exciters in modal analysis: application to submerged structures 

      Presas Batlló, Alexandre; Valentín Ruiz, David; Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Bossio, Matias (Multidisciplinary Digital Publishing Institute (MDPI), 2016)
      Conference report
      Open Access
      Modal Analysis is an experimental technique widely used to determine the dynamic response of structures. One of the most critical part is the selection of the actuator that will excite the tested structure. In many cases, ...