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Pruebas al relé de verificación de sincronismo mediante programa de computadoras
(Polytechnic University of Puerto Rico, 1991-06)
La compañia Multi-Amp Corporation ha desarrollado un sistema de
computadoras disenado exclusivamente para realizar pruebas de calibration
de los reles (relays} de proteccion de los sistemas de potencia electrica. ...
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 ...
Simulación digital para verificación de diseño y sus aplicaciones en el desarrollo de pruebas automatizadas
(Polytechnic University of Puerto Rico, 1992-06)
This paper presents the digital simulator as the tool for the computerized analysis of digital logic circuits. Among the topics discussed in the study are the behaviour of digital circuits, the development of vectors to ...
Programmable logic controllers: A course in programming and implementation
(Polytechnic University of Puerto Rico, 1992-06)
The purpose of this paper is to provide basic information related to programmable logic controllers (PLCs), their applications and programming. It covers the historical background and an overview of the programmable ...
Despacho económico considerando la distribución del margen de reserva en regulación
(Polytechnic University of Puerto Rico, 1992-12)
This paper presents the concept of the regulating reserve margin in an economic dispatch by using the Lagrange method of undetermined multipliers. The regulating reserve margin is the amount of generation that should be ...
Wave solder process characterization by an experimental design approach
(Polytechnic University of Puerto Rico, 1992-06)
A manufacturing company in Puerto Rico was interested in evaluating the possibility of profiling all printed circuit board assemblies. Experimental design, a method for systematically planning engineering studies, offered ...
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 ...
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 ...
High Density Plasma Nitriding on Stainless Steel Alloys at PUPR-MC Plasma Machine
(Polytechnic University of Puerto Rico, 2008)
A novel method of nitriding at high current levels at Polytechnic University of Puerto Rico Mirror Cusp plasma machine (PUPR-MC) has been performed. Nitrogen ions implantation or plasma nitriding increases the hardness at ...
Automation of Plasma Diagnostics at Polytechnic University of Puerto Rico
(Polytechnic University of Puerto Rico, 2008)
This work presents an ongoing effort to develop an automatic measurement system for plasma diagnostics at the Plasma Engineering Laboratory of Polytechnic University of Puerto Rico, along with an example of its operation. ...