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Now showing items 31-40 of 53
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, ...
Diseño de un microprocesador
(Polytechnic University of Puerto Rico, 1994-06)
We show the design of a microprocessor that includes the set of instructions, the addressing modes and the cycle of fetch-decode-execute an instruction. We chose the registers used in the design from the board and then ...
Pull system implementation in a welding area
(Polytechnic University of Puerto Rico, 1996-06)
Our project took place in a welding area which supplies two production lines of a large company in Puerto Rico. The company is divided in four areas: fabrication, welding, assembly and molding. Management wants to implement ...
Diseño computadorizado de la carga térmica para el acondicionamiento de aire en Puerto Rico (AIRPAK 123 TM)
(Polytechnic University of Puerto Rico, 1993-12)
A digital program to compute the industrial air conditioned load was designed. It took us over 3,000 hours to obtain a reliable product which excels all air conditioned programming standards known to this moment. The program ...
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 ...
Estudio de transferencia de calor
(Polytechnic University of Puerto Rico, 1992-12)
This paper presents a heat transfer study using the heat transfer device TDl of the Polytechnic University of Puerto Rico. In our research we determine the following heat transfer parameters for a system, t e ea transfer ...
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 ...
Diseño de un sistema de producción de discos para pararrayos mediante la simulación computadorizada del proceso
(Polytechnic University of Puerto Rico, 1993-06)
This project is based upon proposed changes to the design of facilities and the acquisition of new equipment for a company. Our goal is to optimize the use of the equipment and the human and economic resources using the ...