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Mostrando ítems 101-120 de 285

    • 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 ...

    • 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 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. ...

    • Cryptography: Algorithms and Security Applications 

      Cruz, Alfredo; Fernández, Maxime; Díaz, Gloria; Cosme, Alberto; Negrón, Irtalis; Negrón, Priscilla (Polytechnic University of Puerto Rico, 2000-06)
      Cryptography in Computer Science and Information Systems are broad. It is based in a sequence of steps, and its premise is only one: security. One of the latest developments in cryptography is Steganography, which is the ...

    • PLAtestGA: A CNF-Satisfiability Problem for the Generation of Test Vectors for Missing Faults in VLSI Circuits 

      Cruz, Alfredo; Mukherjee, Sumitra (Polytechnic University of Puerto Rico, 2000-06)
      An evolutionary algorithm (EA) approach is used in the development of a test vector generation application for single and multiple fault detection of growth faults in Programmable Logic Arrays (PLA). Three basic steps are ...

    • La enseñanza de la ingeniería en el siglo XXI 

      Vélez Delgado, Gilberto A. (Polytechnic University of Puerto Rico, 2000-06)
      The teaching of the engineering disciplines during the XXI Century will continue, as has been established already, with a solid foundation in physical sciences, mathematics, liberal arts, engineering sciences and engineering ...

    • Capstone Design Project Interface Board for the HC12 Microprocessor 

      Farah Hilou, Shady; Badillo Oquendo, José A. (Polytechnic University of Puerto Rico, 2000-06)
      This project consists of the design and implementation of an interface board for the Motorola evaluation board M68HC12B32EVB. This interface will include eight different experiment for a laboratory course.

    • Capstone Design Project Stock Keeping Units Allocation for ICI Paints 

      Burgos Báez, Joel; González Aponte, Nancy; Vigo Avila, Luis (Polytechnic University of Puerto Rico, 2000-06)
      As part of our Capstone Design Project we will design the SKU (Stock Keeping Units) allocation system for the Imperial Chemical Industries (ICI) Paints Royal Warehouse located in Barrio Palmas, Catano. In the manufacturing ...

    • Internet Security As An E-commerce Enabler 

      González, Víctor R.; Cruz, Alfredo (Polytechnic University of Puerto Rico, 2000-06)
      In the words of futurist Joel Arthur Barker "when the paradigms shift, everything starts from ground zero". The digital revolution is swiftly reshaping all aspects of life in society "in ways and forms we cannot fully ...

    • Wireless LANs 

      Díaz, Carmen W.; González, Luis; Reyes, Edwin; Guzmán, Jeannette; Lebrón, José Luis; Cruz, Alfredo (Polytechnic University of Puerto Rico, 2000-12)
      There are three digital wireless technologies: CDMA (Code Division Multiple Access), TDMA (Time Division Multiple access), and GSM (Global System for Mobile Communication). Ethernet is a standard LAN protocol that operates ...