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Mostrando ítems 131-140 de 155
Artículo
Space Vector Modulation Techniques for Multilevel Converters – a survey
(Holon Academic Institute of Technology (HAIT), 2006)
This paper presents a survey of most recent, simple and efficient Space Vector Modulation algorithms for multilevel converters. These algorithms avoid trigonometric and other complex operations, leading to more simple ...
Ponencia
Ponencia
Identification of the design variables of e-learning tools using concept mapping techniques
(2005)
Thanks to the use of stadisthic techniques is posible to stablish an technological acceptation model of e- Learning tools. This article describes the application of concept mapping techniques to identify the most ...
Ponencia
Predictive middle point modulation: a new modulation method for parallel active filters
(2001)
When designing an Active filter, using a current-controlled voltage source inverter, there are two main tasks : to generate an appropiate reference, for nulling harmonic current and reactive power, ant, on the other side, ...
Tesis Doctoral
Artículo
Empleo de las tecnologías móviles en la enseñanza práctica de asignaturas técnicas. Un caso real: el laboratorio de instrumentación electrónica
(Secretariado de Publicaciones de la Universidad de Sevilla, 2006)
Hoy día nuestra sociedad está involucrada en el continuo desarrollo de tres importantes pilares de conocimiento, la electrónica, la informática y las telecomunicaciones. Este documento describe la introducción de estos ...
Tesis Doctoral
Diseño y realización de una válvula de alta presión en silicio usando tecnología MEMS
(2005)
El objetivo de la investigación realizada es el estudio de las necesidades actuales en los sistemas microfluidicos en cuanto al control del paso de fluidos. A partir de este estudio, se han analizado los procesos de ...
Ponencia
Effective modulation algorithm for three-level converters
(2002)
This paper presents an effective modulation algorithm (EMA) for high power voltage source three-level converter. This approach drastically reduces the computational load maintained, being substituted by decision making. ...
Ponencia
1.5V Rail-to-rail programmable-gain CMOS amplifier
(IEEE (Institute of Electrical and Electronics Engineers), 2004)
A 1.5V programmable-gain differential amplifier is implemented using a novel design technique for operating closed-loop amplifier circuits at very low supply voltages. It is based on the use of quasi-floating gate transistors, ...
Ponencia
Distributed microprocessor controllers using optic fiber network
(2000)
This work continues a previous project devoted to the supervision and control of electric motors in large industrial plants. This project consists in a set of microcontroller boards that communicate with a Global Control ...