Exploració per autor "Olm Miras, Josep Maria"
Ara es mostren els items 37-56 de 74
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Harmonic balance-based control of a boost DC/AC converter
Olm Miras, Josep Maria; Biel Solé, Domingo; Spinetti Rivera, Mario de Jesús; Fossas Colet, Enric (2012-08)
Article
Accés obertThe achievement of step-up inversion with a boost DC/AC converter requires appropriate periodic references for inductor currents, which have to satisfy ordinary differential equations (ODE) of the Abel type. These are ... -
Implementación de un controlador en modo deslizante a frecuencia de conmutación fija en un convertidor elevador
Repecho del Corral, Víctor; Biel Solé, Domingo; Olm Miras, Josep Maria (2017)
Text en actes de congrés
Accés restringit per política de l'editorialEn este trabajo se muestra la aplicación de una técnica para la regulación de frecuencia en controladores desli- zantes en un convertidor elevador. Dicha estrategia, la cua l había sido propuesta teóricamente para sistemas ... -
Integral MRAC with Minimal Controller Synthesis and bounded adaptive gains: The continuous-time case
Montanaro, Umberto; Olm Miras, Josep Maria (2016-12-01)
Article
Accés obertModel reference adaptive controllers designed via the Minimal Control Synthesis (MCS) approach are a viable solution to control plants affected by parameter uncertainty, unmodelled dynamics, and disturbances. Despite its ... -
Iterative approximation of unstable limit cycles for a class of Abel equations
Fossas Colet, Enric; Olm Miras, Josep Maria; Sira-Ramírez, Hebertt (2007)
Report de recerca
Accés obertThis report considers the analytical approximation of unstable limit cycles that may appear in Abel equations written in the normal form. The procedure uses an iterative approach that takes advantage of the contraction ... -
Linear robust output regulation in a class of switched power converters
Olm Miras, Josep Maria; Biel Solé, Domingo (2010-07-15)
Article
Accés obertThis article addresses the robust output regulation problem for a class of nonlinear switched power converters after its linearization by means of a change of the control vector variable. The methodology employs a dynamic ... -
Model reference adaptive control of a full-bridge buck inverter with minimal controller synthesis
Salvi, Alessandro; Santini, Stefania; Biel Solé, Domingo; Olm Miras, Josep Maria; di Bernardo, Mario (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe rejection of the undesirable effects of sudden load changes undergone by power inverters requires control techniques able to recover regular operation with a low transient error, in a short number of periods and ... -
Model reference adaptive control of discrete-time piecewise linear systems
di Bernardo, Mario; Montanaro, Umberto; Olm Miras, Josep Maria; Santini, Stefania (2013-06-01)
Article
Accés obertThis article presents a switched model reference adaptive controller for discrete-time piecewise linear systems. In the spirit of the work by Landau in the late seventies, proof of asymptotic stability of the closed-loop ... -
Modelling and control for bounded synchronization in multi-terminal VSC-HVDC transmission networks
Dòria Cerezo, Arnau; Olm Miras, Josep Maria; di Bernardo, Mario; Nuño, Emmanuel (2016-06-01)
Article
Accés obertThe extension and size of the power grid is expected to increase in the near future. Managing such a system presents challenging control problems that, so far, have been approached with classical control techniques. However, ... -
Modelling and nonlinear control of a magnetically coupled multiport DC-DC converter for automotive applications
Repecho del Corral, Víctor; Olm Miras, Josep Maria; Griñó Cubero, Robert; Dòria Cerezo, Arnau; Fossas Colet, Enric (Institute of Electrical and Electronics Engineers (IEEE), 2021-04-21)
Article
Accés obertThis work presents a nonlinear control strategy for a magnetically coupled multiport dc-dc converter aimed at automotive applications. First, a behavioural dynamic model, based on averaging the power flowing among the ... -
Multicellular feedback control of a genetic toggle-switch in microbial consortia
Fiore, Davide; Salzano, Davide; Cristòbal-Cóppulo, Enric; Olm Miras, Josep Maria; di Bernardo, Mario (2021-01)
Article
Accés obertWe describe a multicellular approach to control a target cell population endowed with a bistable toggle-switch. The idea is to engineer a synthetic microbial consortium consisting of three different cell populations. In ... -
Non-uniform sampling in digital repetitive control systems: An LMI stability analysis
Ramos Fuentes, Germán Andrés; Olm Miras, Josep Maria; Costa Castelló, Ramon (2009-03)
Report de recerca
Accés obertDigital repetitive control is a technique which allows to track periodic references and/or reject periodic disturbances. Repetitive controllers are usually designed assuming a fixed frequency for the signals to be ... -
Novel slow–fast behaviour in an oscillator driven by a frequency-switching force
Bonet Revés, Carles; Jeffrey, Mike R.; Martín de la Torre, Pablo; Olm Miras, Josep Maria (2023-04)
Article
Accés obertWhen an oscillator switches abruptly between different frequencies, there is some ambiguity in deciding how the system should be modelled at the switch. Here we describe two seemingly natural models of a switch in a simple ... -
Odd-harmonic repetitive control of an active filter under varying network frequency: a small-gain theorem-based stability analysis
Olm Miras, Josep Maria; Ramos Fuentes, Germán Andrés; Costa Castelló, Ramon; Cardoner Parpal, Rafel (2010)
Text en actes de congrés
Accés restringit per decisió de l'autorThis work deals with the design and analysis of a controller for a shunt active power filter. The design is based on combined feedforward and feedback actions, the last using repetitive control, and aims at the obtention ... -
Odd-harmonic repetitive control of an active filter under varying network frequency: control design and stability analysis
Olm Miras, Josep Maria; Ramos Fuentes, Germán Andrés; Costa Castelló, Ramon; Cardoner Parpal, Rafel (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
Text en actes de congrés
Accés obertThis work deals with the design and analysis of a controller for a shunt active power filter. The design is based on combined feedforward and feedback actions, the last using repetitive control, and aims at the obtention ... -
Odd-harmonic Repetitive Control of an Active Filter under Varying Network Frequency: Practical Considerations
Costa Castelló, Ramon; Olm Miras, Josep Maria; Ramos Fuentes, Germán Andrés; Cardoner Parpal, Rafel (2010)
Text en actes de congrés
Accés restringit per política de l'editorialThis work deals with the design and analysis of a controller for a shunt active power filter. The design is based on combined feedforward and feedback actions, the last using oddharmonic repetitive control, and aims at ... -
On average real sliding dynamics in linear systems
Olm Miras, Josep Maria; Biel Solé, Domingo; Repecho del Corral, Víctor; Shtessel, Yuri B. (2017-07-01)
Article
Accés obertIt is well known that in implementations of sliding mode controllers using hysteresis comparators, when the hysteresis band amplitude tends to zero the real dynamics tends to the ideal sliding dynamics. However, in real ... -
Open loop testing for optimizing the closed loop operation of chemical systems
Domínguez Pumar, Manuel; Olm Miras, Josep Maria; Kowalski, Lukasz; Jiménez Serres, Vicente (Pergamon Press, 2020-04-06)
Article
Accés obertOne way to optimize the operation of chemical systems consists on using closed loop controls while the system is operated. This way, it is possible to optimize the operating point in the plant, process or chemical system ... -
Passivity-based control of multi-terminal HVDC systems under control saturation constraints
Dòria Cerezo, Arnau; Olm Miras, Josep Maria; Scherpen, Jacquelien M.A. (2015)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper proposes a decentralized, passivity-based cont rol design for power stations in a multi-terminal High Voltage Direct Current transmissi on system. The control algorithm is shown to asymptotically stabilize the ... -
Periodic solutions with nonconstant sign in Abel equations of the second kind
Olm Miras, Josep Maria; Ros Oton, Xavier; Martínez-Seara Alonso, M. Teresa (2011-09)
Article
Accés obertThe study of periodic solutions with constant sign in the Abel equation of the second kind can be made through the equation of the first kind. This is because the situation is equivalent under the transformation xmaps ... -
Periodic solutions with nonconstant sign in Abel equations of the second kind
Martínez-Seara Alonso, M. Teresa; Ros Oton, Xavier; Olm Miras, Josep Maria (2011-02)
Report de recerca
Accés obertThe study of periodic solutions with constant sign in the Abel equation of the second kind can be made through the equation of the first kind. This is because the situation is equivalent under the transformation x 7¡æ ...