Browsing Ponencias (Ingeniería Electrónica) by Title
Now showing items 1-20 of 163
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0.13-µm CMOS tunable transconductor based on the body-driven gain boosting technique with application in Gm-C filters [Presentation]
(2011)We present a low-voltage low-power CMOS tunable transconductor exploiting body gain boosting to increase the small-signal output resistance. As a distinctive feature, the proposed scheme allows the OTA transconductance ...
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12-Lead ECG modulator and demodulator equipment for telephony transmission [Presentation]
(2001)This paper describes a teleassistency system that consists of a modulator equipment for the acquisition. storage and FM transmission of the typical 12 lead ECG signals and a demodulalOf equipment for recovering the original ...
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A high-performance linear actuator laboratory set-up as an educative tool in control and electronic instrumentation subjects [Presentation]
(2006-07)This paper presents a high-performance linear actuator for positioning control experiments to be used in control and electronic instrumentation subjects. The laboratory set-up and the educative experiments are described ...
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A language for real time simulation of processes with boolean inputs and outputs [Presentation]
(Burger, Jacques; Jarny, Yvon, 1983)This paper deals with the problem of real time simulation of processes with boolean inputs and outputs. A language for this purpose and the programs that processes it is presented. The language allows the description of ...
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A low cost 3D vision system for positioning welding mobile robots using a FPGA prototyping system [Presentation]
(2002)The aim of this work is to explore some solutions for artificial vision systems applied to welding autonomous robots. We take advantage from the UNSHADES-1 system, developed in Filiation (blind for evaluation). This system ...
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A low-pass filter with automatic frequency tuning for a bluetooth receiver [Presentation]
(2010)A third-order Gm-C Chebyshev low-pass filter with high linearity and automatic frequency programmability has been designed. The filter is intended to be used as a channel-select filter for a zero-IF Bluetooth receiver. ...
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A node ordering algorithm to speed up the solution of sparse matrix and sparse vector linear equation systems [Presentation]
(1986)Recently, more attention has been devoted to sparse vector methods in order to reduce the computational burden when solving sparse systems of linear equations. These methods exploit the sparsity of the independent vector ...
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A novel switched capacitor frequency tuning technique for continuous-time Gm-C filters [Presentation]
(2009)A novel approach for the automatic frequency tuning of Continuous Time Filters is presented. This approach is based on a switched capacitor circuit and only needs three capacitors, some switches and a replica transconductor ...
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A robust speed control of AC motor drives based on fuzzy reasoning [Presentation]
(1993) -
A switching fuzzy controller for induction motor with self-tuning capability [Presentation]
(1995)Fuzzy-logic based controllers have been recently proposed to implement vector control methods in induction motors. This paper presents a new switching self-tuning type of fuzzy controller aimed at obtaining a satisfactory ...
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A test-rig to evaluate a dual-3-phase induction motor drive [Presentation]
(2005)The potential advantages of multi-phase solutions over the conventional 3-phase ones have been widely described in the literature. However, their feasibilities and performances have been poorly described and proven. ...
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A test-rig to evaluate a wind turbine generation control system based on DSP [Presentation]
(EPE Association, 1997-09) -
A tunable floating-gate CMOS transconductor based on current multiplication [Presentation]
(2009)In this paper a novel transconductor based on floating gate techniques that performs current multiplication for tuning is presented. The multiplication is achieved using transistors operating in weak and moderate inversion ...
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A very compact KHN filter with multidecade tuning [Presentation]
(2007)A very compact implementation of a multifunction Kerwin Huelsman Newcomb (KHN) filter that can be frequency tuned almost seven decades, from 0.2 Hz to 1 Mhz, is presented. Tuning is achieved by means of high-value, ...
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Accurate dynamic-feedback CMOS cross-quad suitable for low-voltage operation [Presentation]
(2009)This paper presents the implementation of a crossquad circuit suitable for low-voltage operation. The proposed cell exploits a dynamic positive feedback gm boosting technique to achieve linear voltage-to-current conversion, ...
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Aceleración de un algoritmo de enfriamiento simulado mediante particionamiento de redes. Aplicación a "placement" de circuitos VLSI [Presentation]
(1995)Se propone un nuevo método de mejora de los resultados del "placement" de un circuito VLSI. El método propuesto utiliza un particionamiento recursivo para obtener una solución de partida para el posterior proceso de ...
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Acercamiento a una metodología científica en cursos de energía eólica para ingenieros electrónicos [Presentation]
(Universidad de Sevilla, 2016-06)La docencia y la investigación son actividades que se realizan de manera simultánea en la práctica universitaria, pero cuya conexión suele ser débil. Mientras que el método científico se basa en etapas bien conocidas, ...
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Adquisición de datos digitales con protocolo VME sobre FPGA [Presentation]
(2009)En este artículo se presenta la realización sobre FPGA de un circuito con 16 filtros digitales. Un cambio en la entrada es validado cada vez que tres muestras consecutivas toman el mismo valor. El dato muestreado es accesible ...
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Algoritmo de modulación vectorial para convertidores multinivel de cuatro ramas utilizando coordenadas naturales [Presentation]
(2005)En este trabajo se presenta el primer algoritmo de modulación vectorial tridimensional para convertidores multinivel de cuatro ramas. Este convertidor se puede aplicar en el campo de los filtros activos o a los compensadores ...
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An algorithm for symbolic computation of center manifolds [Presentation]
(1988)