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Mostrando ítems 11-20 de 53
Pérdidas de agua en los sistemas fluviales
(Polytechnic University of Puerto Rico, 1993-12)
In this paper we identify those elements that contribute to the undetermined water losses in the Puerto Rico Water and Sewers Authority. We also provide detailed recommendations to reduce these losses.
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, ...
Coeficientes de utilización de disyuntores ("breaker duty")
(Polytechnic University of Puerto Rico, 1993-06)
The breaker duty calculation is very important to the electric industry cause it shows which breakers overload under fault conditions. This way e utility determine the the extra capacity to add to those breakers or Aether ...
A utility for Netware: REMOTE
(Polytechnic University of Puerto Rico, 1994-06)
We used the C language code to develop a utility that allows two or more workstations connected to the same physical network running the network operating system Netware to communicate and perform remote operations. The ...
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 ...
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 ...
Análisis del sistema de protección de IPR Pharmaceuticals, Inc
(Polytechnic University of Puerto Rico, 1994-12)
Analysis of the electrical protection system of IPR Pharmaceuticals
This study is based on the electrical distribution system of a pharmaceutical plant. The purpose of the study is to investigate why the low voltage ...
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 ...