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Mostrando ítems 21-30 de 94
Simulación de fallas en sistemas de potencia usando componentes simétricos y el programa PSPICE
(Polytechnic University of Puerto Rico, 1995-06)
Fault simulation in power systems using symetric components and the computer program PSPICE
This article shows how to use the computer program PSPICE to analyze faults in power systems by the symmetrical components method. ...
Diseño de un controlador de lógica programable
(Polytechnic University of Puerto Rico, 1991-12)
This document shows how to design a programmable logic controller.
This type of design involves several steps, but these steps were grouped in two
subsequent phases. The first phase deals with the design and implementation
of ...
Diseño de un marcapaso programable con memoria y capacidad de comunicación
(Polytechnic University of Puerto Rico, 1992-12)
A design of a programmable pacemaker unit which integrates microprocessor control, memories and a communication device. This pacemaker uses programming techniques to adjust its operations to the patients' needs, to compile ...
Programa para verificar la calibracion de un rele de proteccion por impedancia
(Polytechnic University of Puerto Rico, 1992-12)
This article describes the preparation of a testing file to verify the calibration of an impedance protection relay using the Mastertest program. With this work we present an alternative to the ones now used for relay ...
Diseño de un modelo de simulación por computadoras para una sala de emergencias
(Polytechnic University of Puerto Rico, 1991-12)
This document describes the development of a simulation model and its use in the emergency room of a hospital. The first part of the document presents the problem and the system to be modeled, the objectives of the study, ...
Programa emulador del microprocesador MC6800 para correrse en sistemas de computadoras personales basadas en procesadores Intel
(Polytechnic University of Puerto Rico, 1991-12)
This paper presents the development of a program to emulate the
Heathkit ET-3400 trainer and the MC6800 microprocessor on an IBM or
compatible personal computer. The ET-3400 trainer is the only available tool
at the ...
Filtros digitales para el procesamiento de imágenes
(Polytechnic University of Puerto Rico, 1992-12)
The purpose of this paper is to design filters capable of extracting the
contours of an image, thus reducing the distortion while processing an image.
In order to attain this goal, we developed a group of computer programs ...
Diseño de un experimento para una máquina de embotellado
(Polytechnic University of Puerto Rico, 1995-12)
Experimental design for a bottling proccess machine
In this article we present an experimental design for a bottling process machine of the dry products plant of a local pharmaceutical industry. Our goal is to identify ...
Banco de pruebas de relés
(Polytechnic University of Puerto Rico, 1993-12)
Description of a test bench that simulates the operation of the protection system of a transmission center. The test bench developed integrates several electromagnetic devices, known as relays, that work together to protect ...
Theory of operation of today CD systems
(Polytechnic University of Puerto Rico, 1993-12)
In this article we examine the main events that lead to the invention of the compact disc or CD, as we all call it. We consider the most important components of the playback section of the CD such as the pick-up circuit, ...