Exploració per altres contribucions "Universitat Politècnica de Catalunya. ACES - Control Avançat de Sistemes d'Energia"
Ara es mostren els items 1-20 de 454
-
A behavioural dynamic model for constant power loads in single-phase AC systems
(2021-09-01)
Article
Accés obertConstant power loads (CPLs) in power systems have a destabilizing effect that gives rise to significant oscillations or to network collapse, motivating the development of new methods to analyse their effect in AC and DC ... -
A black-box model for neurons
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Comunicació de congrés
Accés obertWe explore the identification of neuronal voltage traces by artificial neural networks based on wavelets (Wavenet). More precisely, we apply a modification in the representation of dynamical systems by Wavenet which decreases ... -
A canonical realization of the Weyl BMS symmetry
(Elsevier, 2020-12-10)
Article
Accés obert -
A comparative study of terminal and conventional sliding mode start-up peak current controls for a synchronous buck converter
(Institute of Electrical and Electronics Engineers (IEEE), 2019-08-20)
Article
Accés obertAn alternative to the linear control techniques, which are based on small signal averaged models, is the sliding mode control. That method uses instantaneous models of the switched power converter to design robust controllers. ... -
A cyclo-dissipativity framework for power factor compensation of electrical circuits
(2005-10)
Text en actes de congrés
Accés obertThe purpose of this paper is to bring the attention of the control community some of the aspects of the practically important, and mathematically challenging, power factor compensation problem. Our main contribution is ... -
A feedback-based L-2-norm limiter for periodic signals
(2011-01)
Article
Accés restringit per política de l'editorialLimiting the rms value (L2 norm) of periodic signals can be a necessity in some controllers for power electronic devices. The prevailing existing solution is simply to compute, off-line, the L2 norm and then to multiply ... -
A Fixed-Frequency Quasi-Sliding Control Algorithm: Application to Power Inverters Design by Means of FPGA Implementation
(Institute of Electrical and Electronics Engineers (IEEE), 2003-01-31)
Article
Accés obertIn 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 local stability condition for dc grids with constant power loads
(2017-07-01)
Article
Accés obertCurrently, there are an increasing number of power electronics converters in electrical grids, performing the most diverse tasks, but most of them, work as constant power loads (CPLs). This work presents a sufficient ... -
A multi-timescale modeling methodology for PEMFC performance and durability in a virtual fuel cell car
(2015)
Article
Accés obertThe durability of polymer electrolyte membrane fuel cells (PEMFC) is governed by a nonlinear cou-pling between system demand, component behavior, and physicochemical degradation mechanisms, occurring on timescales from the ... -
A Multiple-Reference Complex-Based Controller for Power Converters
(Institute of Electrical and Electronics Engineers (IEEE), 2021-12-01)
Article
Accés obertA multiple-reference complex-based controller is proposed for three-phase power converters feeding nonlinear and unbalanced loads. The control scheme incorporates a stable multiple-complex coefficient filter with bandwidths ... -
A new approach for flux and rotor resistance estimation of induction motors
(2017-07-01)
Article
Accés restringit per política de l'editorialIn this paper we address the problems of flux and rotor resistance estimation of induction motors. We propose a radically new approach that combines the recently introduced techniques of parameter estimation based observers ... -
A new estimation of the lower error bound in balanced truncation method
(2014-08-01)
Article
Accés obertFor a single-input/single-output (SISO) linear time-invariant dynamical system, the standard H-infinity-norm lower error bound of balanced truncation method is parallel to G(s) - G(r)(s)parallel to(H infinity) >= sigma(r+1), ... -
A new passive repetitive controller for discrete-time finite-frequency positive-real systems
(IEEE Control Systems Society, 2007)
Text en actes de congrés
Accés obertThis work proposes a new repetitive controller for discrete-time finite-frequency positive-real systems which are required to track periodic references or to attenuate periodic disturbances. The main characteristic of the ... -
A Novel PMSM Hybrid Sensorless Control Strategy for EV Applications Based on PLL and HFI
(2016)
Número de revista
Accés obertIn this paper, a novel hybrid sensorless control strategy for Permanent Magnet Synchronous Machine (PMSM) drives applied to Electric Vehicles (EV) is presented. This sensorless strategy covers the EV full speed range and ... -
A passive repetitive controller for discrete-time finite-frequency positive-real systems
(Institute of Electrical and Electronics Engineers (IEEE), 2009-04)
Article
Accés obertThis work proposes and studies a new internal model for discrete-time passive or finite-frequency positive-real systems which can be used in repetitive control designs to track or to attenuate periodic signals. The main ... -
A practical approach to HFI based sensorless control of PM-assisted synchronous reluctance machines applied to EVs and HEVs
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés restringit per política de l'editorialSensorless control is a promising alternative for controlling Electric Vehicle (EV) and Hybrid Electric Vehicle (HEV) propulsion systems without the need of complex devices, such as resolvers or encoders. As the usage of ... -
A relay controller with parallel feed-forward compensation for a buck converter feeding constant power loads
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés obertA simple and efficient analog direct voltage control design for improving the performance and stability of a buck converter feeding constant power loads (CPLs) is the main aim of this article. One of the oldest and most ... -
A repetitive control scheme for distributed solar collector field
(2010-05)
Article
Accés restringit per política de l'editorialThe control of the output fluid temperature in a distributed solar collector field implies accounting for the excitement of its intrinsic resonance modes. Resonance mode frequencies are related to the residence time of the ... -
A repetitive controller for discrete-time passive systems
(2006-10-23T14:07:36Z)
Report de recerca
Accés obertThis work proposes and studies a new repetitive controller for discrete-time systems which are required to track or to attenuate periodic signals. The main characteristic of the proposed controller is its passivity. This ... -
A robust grid current controller with grid harmonic and filter resonance damping capabilities using a closed-loop admittance shaping
(IEEE Press, 2017)
Text en actes de congrés
Accés obertThis paper presents a grid current control of a grid connected Voltage Source Converter (VSC) with an LCL filter. The control method enables to shape the input admittance of the converter in addition to track a given current ...
