Suche
Anzeige der Dokumente 31-40 von 53
Diseño y desarrollo de un controlador de temperatura para un horno de pruebas
(Polytechnic University of Puerto Rico, 1994-12)
Design and development of a temperature controller for a test oven
As a part of quality control process, the electronics industry must make different tests to electronic components. One of these tests allows us to determine ...
Control por "feedback" y "feedforward" aplicado a un proceso de múltiples entradas
(Polytechnic University of Puerto Rico, 1994-12)
Feedback and feedforward control applied to a multivariable process
In this paper we analyze three control systems for a multivariable chemical process. We also present the design of a feedback control system, a feedforward ...
Programa emulador de entrenador para los microprocesadores INTEL 8080 y 8085 para las calculadoras programables HP-48SX y HP-48GX
(Polytechnic University of Puerto Rico, 1994-12)
Emulator of a trainer for the Intel microprocessor 8080 and 8085 for the programmable calculator HP-48SX and HP-48GX
This article presents the development of a program to emulate the Intel 8080 and 8085 microprocessors. ...
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 ...
Design of an experiment for injection blow molding
(Polytechnic University of Puerto Rico, 1994-12)
This research was requested by the quality control engineer of a company manufacturing plastics products such as bottles and caps. These products are manufactured with polyethylene and polipropylene resin, using two molding ...
Programa para construir la matriz representativa de un sistema de potencia eléctrica
(Polytechnic University of Puerto Rico, 1995-06)
Computer program to build and modify an electrical power system matrix
A power systems engineer has to build and modify the electrical power system matrix every time elements of the system are added, deleted or modified. ...
The development of my capstone design project
(Polytechnic University of Puerto Rico, 1995-06)
This article is the result of my Capstone Design Project, which I started during the summer of 1994. The main purpose of this course is to expose us to the ever changing and challenging world of the engineering design work. ...
Identifying damage in reciprocating air compressors
(Polytechnic University of Puerto Rico, 1994-12)
We used a parametric analysis for a reciprocating air compressor to determine its working conditions. We also connected measuring devises which allowed us to determine the real performance of our compressor. From this point ...
Colapso de un muro de contención construido con mampostería
(Polytechnic University of Puerto Rico, 1997-06)
This study presents the analysis of a masonry retaining wall, typically built in Puerto Rico to stabilize and retain slopes. How safe and well built are these walls?. Have they the adequate resistance to efficiently retain ...
Reduction of downtime through the design of TPM and the implementation of some techniques of SMED system at high speed packaging lines
(Polytechnic University of Puerto Rico, 1996-06)
This project was developed at a pharmaceutical facility located in the eastern area of Puerto Rico. The company manufactures oral contraceptives and analgesics. In the analgesic branch a new product is being introduced, ...