Browsing by Subject "Convertidors commutats"
Now showing items 1-20 of 22
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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
Open AccessAn 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. ... -
Alimentació adaptativa d'un generador d'ultrasons de potència basada en un convertidor ressonant paral.lel controlat per un DSC
(Universitat Politècnica de Catalunya, 2010-12-15)
Master thesis (pre-Bologna period)
Open AccessCatalà: Disseny i fabricació d'una font d'alimentació per a transductors d'ultrasons de potència. Font d'alimentació formada per un convertidor ressonant DC/AC i controlada per un DSC que corregeix la freqüencia de sortida ... -
Amplificador conmutado con asistencia lineal por derivación de corriente mediante modulación de impedancia
(Universitat Politècnica de Catalunya, 2013-12-10)
Bachelor thesis
Open Access[ANGLÈS] This work has as main objective the study of the shunt current regulation technique in the Boost DC-DC converter. The design of a theoretical and a simulation model to analyze the behavior of the circuit and obtain ... -
An enhanced switching policy for buck-derived multi-level switching power amplifiers
(2010)
Conference report
Open AccessThis work proposes a switching policy for multi-level fullbridge switching power converters and analyses their performance by driving them with a multi-level PWM modulation, targeting highefficiency power amplifiers. ... -
Analysis of a bidirecctional coupled-inductor Cuk converter operating in sliding mode
(Institute of Electrical and Electronics Engineers (IEEE), 1998-04-30)
Article
Open AccessAnalytic 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 ... -
Application of Sliding Mode Control to the design of a Buck-based sinusoidal Generator
(Institute of Electrical and Electronics Engineers (IEEE), 2001-06)
Article
Open AccessThis paper is devoted to the design of a sliding-mode control scheme for a buck-based inverter, with programmable amplitude, frequency, and dc offset, with no external sinusoidal reference required. A general procedure for ... -
Conmutación simétrica de un rectificador trifásico versus convertidor AC/AC para la mejora del factor de potencia en microcentrales hidroeléctricas
(Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2018)
Conference report
Open AccessEn el presente artículo se realiza el análisis de un rectificador trifásico tipo puente con un interruptor en serie con la carga conmutado con ángulo simétrico. Para dicho análisis se trabajan con una serie de índices como ... -
Desenvolupament de tecnologia d'integració de components passius per a electrònica de potència en automoció
(Universitat Politècnica de Catalunya, 2016)
Master thesis (pre-Bologna period)
Restricted access - author's decision -
Design of a Multi-Module and Fully Integrated Switched-Capacitor DC-DC Power Converter
(Universitat Politècnica de Catalunya, 2015-02)
Bachelor thesis
Open Access[ANGLÈS] DC-DC converters are one of the main components of a power management unit and, concretely, the Switched-Capacitor DC-DC Power Converters (SCPC) are recently used due to their high efficiency and the possibility ... -
Diseño de drivers para dispositivos SiC de potencia
(Universitat Politècnica de Catalunya, 2015-05)
Bachelor thesis
Open Access[ANGLÈS] Electronic devices based in Silicon Carbide are in constant research and growth in the last years. With other Wide Band Gap (WBD) technologies like gallium nitride (GaN as ultraviolet LEDs) and aluminium nitride ... -
Diseño de un sistema basado en microcontrolador para el balanceo activo de baterias de tecnologia LiFePo4 aplicado en una bicicleta solar
(Universitat Politècnica de Catalunya, 2016-10)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement -
Disseny i implementació d'un emulador de mòdul de potència de cel·la de combustible
(Universitat Politècnica de Catalunya, 2011-06-27)
Master thesis
Open AccessCatalà: La necessitat de mòduls de potència de cel.les de combustible ha portat al desenvolupament de convertidors de potència per tal de controlar la seva energia. No obstant, la utilització d'hidrogen per testar un ... -
Disseny i implementació d'una font d'alimentació commutada per màquines de tatuar amb topologia flyback i bateries de liti
(Universitat Politècnica de Catalunya, 2016)
Master thesis (pre-Bologna period)
Open AccessWithin this Final Degree Project ,a SMPS flyback power supply feeded with lithium batteries will carry out. Moreover , the Power supply will be build using a Demonstration Circuit board supplied by Linear Technologies , ... -
Fault tolerant NPC converter control for isolated PV sytems: Application for an isolated telecommunication center
(2012)
Conference report
Restricted access - publisher's policyContinuity operating within isolated telecommunication sites is an important challenge. In this paper, a new fault tolerant SVM (Space Vector Modulation) strategy for 3level NPC (Neutral point Clamped) inverter used in ... -
Generalized Discontinuous Conduction Modes in the Complementarity Formalism
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-08)
Article
Open AccessWe model dc–dc power converters using the complementarity formalism. For each position of the switches, the dynamics is given by a linear complementarity system which incorporates, in a natural way, the description of ... -
LED light control for use in visible light communications
(Universitat Politècnica de Catalunya, 2017-05)
Bachelor thesis
Open AccessThis project describes the implementation of a custom LED driver based on the Texas Instruments TPS92641 integrated circuit. The main contribution of this project is to show how a generic driver for LED luminaires can ... -
Propuesta y estudio de mejoras enfocados hacia una gestión Pull de la producción de trípodes en automoción
(Universitat Politècnica de Catalunya, 2008-07)
Master thesis
Restricted access - author's decisionEl objetivo específico de este proyecto es la gestión en Pull del proceso productivo de trípodes, uno de lo elementos que forma parte del sistema de transmisión de los vehículos. Para ello, se lleva a cabo un análisis macro ... -
Robust Exact Differentiation via Sliding Mode Technique applied to a Fixed-Frequency Quasi-Sliding Control Algorithm
(2008-01)
Research report
Open AccessThis paper presents the design of a DC-AC power converter controller that bears the same benefits of a sliding mode controller but with the advantage of a fixed-frequency control signal. The controller is based on the ... -
Sliding motion, robust control and power loss minimization in a class of non-linear switched converters
(TAYLOR & FRANCIS LTD, 2007-06)
Article
Open AccessIn this paper we propose a sliding mode control scheme that allows robust control of the output voltage in a class of nonlinear switched converters that includes the Non-Inverting Buck-Boost, the Watkins-Johnson and the ... -
Synthesis of high-efficiency electronically tunable switch-mode bandpass filters targeting low-power energy harvesting applications
(Universitat Politècnica de Catalunya, 2011-07-12)
Master thesis (pre-Bologna period)
Open AccessCatalà: aquest treball considera la natura erràtica de les harvesting sources, tant en temps com en frequència. Es proposa la adaptació dinàmica dels capçals de harvesting per millorar la eficiència total. Per aquest ...
