Browsing Polytechnic University of Puerto Rico by Issue Date

Now showing items 121-140 of 2118

    • Historia de la ingeniería eléctrica, un formidable motor propuldor de la presente y futuras civilizaciones 

      Iriarte, Modesto (Universidad Politécnica de Puerto Rico, 1998-12)
      In this article the reader will find a historic account of the scientific discoveries that provided the foundations of electrical engineering as a profession. The article also presents a list of names of those scientists ...

    • Aprendizaje mediante la colaboración grupal (Cooperative Learning) 

      Charón, Sergio (Universidad Politécnica de Puerto Rico, 1998-12)
      This work illustrates the needs of exposing the students to learning experiences that develop and enhance their capabilities for analytical critical thinking in the solution of problems. The work in small groups with ...

    • Seismic Study of Geosynthetic-Reinforced Slopes 

      Santiago Cordero, Aileen M. (Universidad Politécnica de Puerto Rico, 1998-12)
      This report was done as part of an internship program sponsored by the NSF to learn and get involved in an extensive research at the University of Washington. The research is related to issues associated to the design ...

    • El Politécnico (Año 5, Número 15, Diciembre 1998)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1998-12)
      Periódico El Politécnico (Año 5, Número 15, Diciembre 1998) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • El Politécnico (Año 6, Número 16, Marzo 1999)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1999-03)
      Periódico El Politécnico (Año 6, Número 16, Marzo 1999) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • PLAGA: A Highly Parallelizable Genetic Algorithm for Programmable Logic Arrays Test Pattern Generation 

      Cruz, Alfredo; Mukherjee, Sumitra (Polytechnic University of Puerto Rico, 1999-06)
      An evolutionary algorithm (EA) approach is used in the development of a test vector generation application for single and multiple fault detection of shrinkage faults in Programmable Logic Arrays (PLA). Three basic steps ...

    • The Implementation of New Technology: Ethical Principles and Ethical Reasoning Elements 

      Malaver, Roger (Polytechnic University of Puerto Rico, 1999-06)
      We explored valuable ethical issues on the New Technology Implementation (NTI). A successful approach to assess and manage health-related issues associated with the installation of new technology (specially those related ...

    • Development of an Interactive Finite Element Analysis Program Within MS Windows 95 Environment 

      Pacheco Crosetti, Gustavo E.; Veras Jorge, Eduardo J. (Polytechnic University of Puerto Rico, 1999-06)
      The objective of this project was to develop a highly interactive, graphically oriented, special purpose Finite Element Analysis program, that utilizes the MS-Windows 95 environment as the Graphical User Interface (GUI). ...

    • Fingerprints Recognition Using a Neural Network 

      López Bonilla, Roman E.; Mayorga Ortiz, Pedro (Polytechnic University of Puerto Rico, 1999-06)
      A fingerprint recognition approach, based on a backpropagation algorithm using a neural network, is presented. The purpose of our work is to show the relevance of the fingerprint method characterization by using the ...

    • PUPR Looks Forward to the 21st Century with a Program of Research and Development 

      Vélez Delgado, Gilberto A. (Polytechnic University of Puerto Rico, 1999-06)
      The New Economic Development model adopted by the Government of Puerto Rico is an effort to provide a diversified and solid foundation for future economic development in view of changes in the global economic context. The ...

    • New Tools for the Design and Analysis of Complex Springs 

      Candelario, William (Polytechnic University of Puerto Rico, 1999-06)
      The molded case circuit breaker industry, in general, produces great families of breakers, i.e., the bolt-on and the plug-in units. The bolt-on unit uses a screw to connect the unit to the bus bar of the panelboard. In the ...

    • El Politécnico (Año 6, Número 17, Junio 1999)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1999-06)
      Periódico El Politécnico (Año 6, Número 17, Junio 1999) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • El Politécnico (Año 6, Número 18, Octubre 1999)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1999-10)
      Periódico El Politécnico (Año 6, Número 18, Octubre 1999) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • El impacto del paradigma constructivista en la enseñanza de matemáticas 

      Lara Cotto, Carmen M. (Universidad Politécnica de Puerto Rico, 1999-12)
      The constructivist paradigm offers important implications to educators about the teaching and learning of mathematics. The curricular reforms in the mathematics classroom, in its majority, emerge from constructivist ...

    • Tools for Predicting Uncertainty and confidence Intervals in Radiometric Data Products 

      Mahan, J. R.; Sánchez, María Cristina; Ayala, Edwin A.; Priestley, Kory J. (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 ...

    • Simulation of the Antenna Pattern of Arbitrarily Oriented Very Large Phase/Time-Delay Scanned Antenna Arrays with Systematic and Random Errors 

      Ortiz, Carlos R. (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 ...

    • Semisolid Metal Processing 

      Alexandrou, Andreas N.; Burgos, Gilmer R.; Entov, Vladimir M. (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 ...

    • Techniques for Functional and Structural Testing of Software 

      Cruz Triana, Alfredo; Méndez, Adrián E. (Universidad Politécnica de Puerto Rico, 1999-12)
      This work will present the structural and functional approaches as software testing process techniques. The software testing process is one that consumes at least half of the labor expended to produce a working program. ...

    • El Politécnico (Año 7, Número 19, Abril 2000)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 2000-04)
      Periódico El Politécnico (Año 7, Número 19, Abril 2000) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • El Politécnico (Año 7, N19ES, Mayo 2000): Un nuevo milenio para la Universidad Politécnica de Puerto Rico  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 2000-05)
      Periódico El Politécnico (Año 7, N19ES, Mayo 2000) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.