Browsing Revista Politechnê by Subject "Polytechnic University of Puerto Rico--Faculty--Research"
Now showing items 101-120 of 124
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Reduce Scrap Loss of a Pacemaker Lead Applying Lean-Six Sigma
(Polytechnic University of Puerto Rico, 2010)A pacemaker is an electronic device that is placed under the skin to help control abnormal heart rhythms. It consists of a battery, a computerized generator, and lead (wires) with electrodes on one end. in a pacemaker leads ... -
Reflexión sobre los cambios recientes en el Departamento de Ciencias Geomáticas de Ia Universidad Politécnica de Puerto Rico
(Polytechnic University of Puerto Rico, 2006)El objetivo del presente escrito es presentar una recopilación de los eventos y datos relevantes que impulsaron el cambio de nombre del Departamento de Agrimensura y Cartografía a Departamento de Ciencias Geomáticas y los ... -
Retículos cúbicos, ortomodulares, conexos, de altura 3 y configuraciones proyectivas ortomodulares conexas
(Polytechnic University of Puerto Rico, 1994-12)Cubic orthomodular connected lattices of height 3 and orthomodular connected projective configurations The construction of a connected orthomodular projective configuration, from a cubic, connected, orthomodular lattice ... -
Semisolid Metal Processing
(Universidad Politécnica de Puerto Rico, 1999-12)Processing of metal alloys in their mushy state represent a new trend in metal processing. The process produces components with low porosity, high crack resistance, fine microstructure, and better mechanical properties ... -
Seven Steps to Implement an Affective and Integrated SOP and Training System
(Polytechnic University of Puerto Rico, 2010)Regulated industries such as Pharmaceutical, Biotechnology and Medical Devices, among others, require the use of Standard Operating Procedures (SOPs), to perform in the work place, consistently. For several years the Food ... -
Simulation of the Antenna Pattern of Arbitrarily Oriented Very Large Phase/Time-Delay Scanned Antenna Arrays with Systematic and Random Errors
(Universidad Politécnica de Puerto Rico, 1999-12)A computer simulation to determine the field pattern of arbitrarily oriented, very large phase/time delay scanned antennas was developed. The simulation takes into account errors present in antenna arrays. These are ... -
Sistemas de Información Geográfica y Técnicas de Interpolación Espacial para la Modelación de Valores Residenciales
(Polytechnic University of Puerto Rico, 2006)El presente escrito muestra los resultados de una metodología que, utilizando técnicas de interpolación espacial, procedió a modelar los valores de ventas residenciales en la periferia de la alienación del Tren Urbano para ... -
Sizing a solar cell array for a solar powered lawnmower machine
(Polytechnic University of Puerto Rico, 1996-12)This project focuses on the sizing and control of a photovoltaic (PV) collector of a solar lawnmower prototype to satisfy the geographical orientation of Puerto Rico and its available sunlight. The design, analysis and ... -
Smart Antenna Performance Simulation in Multipath Propagation Environment
(Polytechnic University of Puerto Rico, 2008)This paper presents the effect of multipath propagation on the performance of smart antenna. The influence of the correlation between the source multipath components on the uplink beam pattern shape, as well as the resulting ... -
Strain gauge and micrometer instrumentation of a truss structure
(Polytechnic University of Puerto Rico, 1997-12)This project was performed as part of the Structural Analysis courses in order to compare theoretical results of the response of simple structures with the experimental results obtained at the Structures Engineering ... -
Study of the density of states in amorphous Silicon-Hydrogen using the semiconductor/electrolyte system
(Polytechnic University of Puerto Rico, 1996-12)Localized states in amorphous Silicon-Hydrogen are studied by pulsed measurements on the a-Si:H/electrolyte (S/E) system. The S/E interface is essentially blocking to current flow. As a result, surface space-charge layers, ... -
Theory of constraints will really improve your competitiveness
(Polytechnic University of Puerto Rico, 1992-12)The Theory of Constraints (TOC) is a new management philosophy created by Eliyahu M. Goldratt to help an enterprise reach its goal. In order to accomplish this objective a company must change the paradigm of costs an follow ... -
Theory of constraints will really improve your competitiveness
(Polytechnic University of Puerto Rico, 1993-06)The Theory of Constraints (TOC) is a new management philosophy created by Eliyahu M. Goldratt to help an enterprise reach its goal. To accomplish this objective a company must change the paradigm of costs and follow two ... -
Tools for Predicting Uncertainty and confidence Intervals in Radiometric Data Products
(Universidad Politécnica de Puerto Rico, 1999-12)Spaced-based observations of atmospheric energetics, such as those provided by NASA’s Clouds and the Earth’s Radiant Energy System (CERES), produce data products intended to be shared with the larger scientific community ... -
Trigésimo Aniversario
(Polytechnic University of Puerto Rico, 1996-12)La Universidad Politécnica de Puerto Rico (UPPR) cumple 30 años. Nació en 1966 cuando comenzó a ofrecer cursos técnicos conduncentes a un bachillerato en agrimensura y cartografía. -
Tunomás Honey de Jim Sagel: reapropiación y preservación cultural del mundo chicano
(Polytechnic University of Puerto Rico, 2004)Tunomás Honey written by New Mexican writer Jim Sagel serves the purpose of analyzing the theme of reappropriation and cultural reservation of the Chicano world through literature. In 1981 Tunonás Honey received the award ... -
Un universo de radiación
(Polytechnic University of Puerto Rico, 1998-06)During the last two decades there has been an increase in the worrines of the people regarding the proliferation of electromagnetic fields and their effects on the human body. In this article we explain the basic principles ... -
Use of genetic algorithms in experimental design optimization and thermal property estimation
(Polytechnic University of Puerto Rico, 1997-06)The goal of this paper is both to introduce the fields of experimental design optimization and thermal property estimation and to present Genetic Algorithm (GA) optimization method to the faculty of PUPR. This research ... -
Variables that may predict the behavior of a student in his/her university life at Polytechnic University of Puerto Rico
(Polytechnic University of Puerto Rico, 1996-06)The objective of this study is to establish the relationship, if any. between the Graduation Grade Point Average (GPA) of students that began as first year studentes at Polytechnic University of Puerto Rico and remained ... -
Vector quantization
(Polytechnic University of Puerto Rico, 1996-12)Data compression is the packing of data, the process of transforming a body data into a smaller representation from which the original or an approximation of the original can be computed at a later time. Most data sources ...