Anzeige der Dokumente 53-72 von 81

    • Improving Operational Efficiency and Downtime Reduction: Applying Lean Six Sigma in Material Recovery Facilities 

      Droz Cruz, Valeria (Polytechnic University of Puerto Rico, 2023-08-31)
      In response to challenges within the solid waste industry, this research focused on enhancing Material Recovery Facility (MRF) operations using Lean Six Sigma. Employing the DMAIC framework, the study tackled recurring ...
    • Influence of Upper Limb Improvement in Post-Stroke Gait 

      Malavé Ortega, Madeleine (Polytechnic University of Puerto Rico, 2022-10-13)
      Hemiplegic gait is a common consequence of a stroke affecting about 80% of the patients. The usual treatment tends to focus on analyzing just the affected lower body, neglecting the upper limb. This research is intended ...
    • Infrastructure Condition Assessment Using Drones 

      Atra, Imad (Polytechnic University of Puerto Rico, 2020-11-13)
      The condition assessment in pavement is carried out by performing a traditional visual inspection, and by applying the Pavement Condition Index -PCI (Vásquez, 2002). The visual inspection implies to access the roadway and ...
    • Medical image-based diagnostics for cardiovascular diseases using machine learning 

      Martínez López, Alexander M.; González Rivera, Carlos (Polytechnic University of Puerto Rico, 2021-09-17)
      With cardiac imaging’s important role in the diagnosis of cardiovascular diseases, along with the dawn of big data and machine learning (ML), there are emergent opportunities to build artificial intelligence (AI) tools ...
    • A New Design Strategy for Developing Bi Functional Catalysts for Zinc Air Batteries 

      Rivera Rosario, Marielle A. (Polytechnic University of Puerto Rico, 2021-09-17)
      Zinc air batteries are a great alternative to replace lithium batteries, but they require an electrocatalyst for better ORR kinetics In this work, we proposed a new synthesis strategy for a bifunctional electrocatalyst ...
    • Nickel Doped Carbon Nitride for Applications in Electrochemical Energy Systems 

      Acosta, José; Burgos, Ivonne; De La Luz, Natalie (Polytechnic University of Puerto Rico, 2020-11-13)
      Alkaline fuel cells and supercapacitors have attracted considerable attention over the last decades, mainly because these systems offer the possibility to produce and store energy in a sustainable manner Since the current ...
    • Nickel Doped Carbon Nitride for the Photoelectrochemical Degradation of a Sunscreen derived Organic Pollutant Found in Swimming Pool Waters 

      Ortiz, Jahzeel; Rivera, Ambar (Polytechnic University of Puerto Rico, 2021-09-17)
      The fabrication and consumption of sun care products has increased exponentially the concentration of organic UV filters in the oceans and seas, which represents a threat to the marine environment The present research ...
    • Nonlinear Pharmacokinetic Models Based on Statistical Regression Methods Using Secondary Data 

      Ortiz Stewart, Ishmael (Polytechnic University of Puerto Rico, 2023-08-31)
      This research is about creating nonlinear pharmacokinetic models to better understand the behaviors that take place. From there, see patterns, relations between behaviors, and statistical techniques and, as an end goal, ...
    • Plan de Desarollo Sustentable: Reserva Natural Punta Tuna, Maunabo, P.R 

      Lleonart, Michel; Roman Ayala, Joan M.; Ortiz Zayas, Rolando; Rosario, Juan A.; Ramos, Adrian O.; Vazquez Fernandez, Francis
      Este proyecto tiene como norte el desarrollo y la sustentabilidad de la Reserva Natural Humedal Punta Tuna localizada en el barrio Emajagua en el municipio de Maunabo, Puerto Rico. También se trata de concientizar a la ...
    • Proyecto desarrollo de infraestructura ISBU para la cosecha de arroz en Guánica, Puerto Rico 

      Cardona Navarro, Gustavo; Sánchez Mestre, Alexander; Smith Clark, Margueritte; Valconi Llenas, Carola; Verges De Jesús, Rachelle (Universidad Politécnica de Puerto Rico, 2015)
      El proyecto tiene como enfoque el diseño de infraestructura con Unidades Intermodal de Edificios de Acero (ISBU, por sus siglas e inglés) para propósitos agrícolas en el municipio de Guánica, Puerto Rico. La localización ...
    • Recibidor de GPS L1: ¿obsoleto o vigente? 

      Orlandi Guzmán, Anthony
      El uso del sistema de navegación satelital ha estado disponible para propósitos de agrimensura y geodesia desde el 1980, siendo el recibidor L1 la herramienta exclusiva . Con el paso del tiempo se ha ido desplazando éste ...
    • Rehabilitación del Parque Lineal Enrique Martí Coll 

      Nazario Berríos, Noel; Rivera Arroyo, Jorge
      El Parque Lineal Enrique Martí Coll es un corredor tanto para peatones como ciclistas que comienza en el corazón de Hato Rey y cuenta con 2,523 metros de largo que bordean parte del Caño Martin Peña y el estuario de la ...
    • Rehabilitación y Expansión del Parque Lineal Enrique Martí Coll 

      Cruz García, Juan C.; Rivera Cruz, Ethos; Santiago Santana, Carla M.
      El Parque Lineal Enrique Martí Coll es un corredor peatonal en el área de Hato Rey que cuenta con 1.5 millas de largo bordeando parte del Caño Martín Peña y el estuario de la Bahía de San Juan, extendiéndose desde la ...
    • Reinforced Concrete vs Structural Concrete Insulated Panels Performance and Cost Comparison for 4-story Building 

      Rivera Marrero, Jorge (Polytechnic University of Puerto Rico, 2023)
      This paper presents the modeling of a 4- story building to compare the structural behavior of reinforced concrete (RC) versus the structural concrete insulated panels (SCIPS) under the code required loads and deflection ...
    • Relationship Between the Electrical Response of a Skeletal Muscle Versus the Applied Force and the Angle of Flexion 

      Figueroa Medina, Yanelys (Polytechnic University of Puerto Rico, 2023-08-31)
      Studying the relationship between muscle force and some electrical parameters of muscle measured on the surface could serve as an indirect indicator of force that would be useful for various applications In this work, is ...
    • Renewable Energy Lab for Wind & Solar Power System Analysis 

      Calder Acosta, William Rene; Rodríguez, Andrés (Polytechnic University of Puerto Rico, 2018)
      Renewable energy resources used to produce electric energy, significantly lower CO₂ emissions by substituting non-renewable resource based power generators. Our investigation hopes to support the use of these renewable ...
    • Restructuring of the Enrique Martí Coll Linear Park 

      De Jesús, Wilmer; De Jesús, Emanuel; Echeandía, Edgar; Carmona, Elisandro; Diaz, Carlos; Adorno, Alexander; Fleming, Dereck
      The Enrique Martí Coll Linear Park was built as an elevated concrete walkway that runs along the bank of the Martín Peña canal, designed as an attraction to give a space for people to get away from the concrete jungle of ...
    • Risk & Vulnerability Assessment on Water Treatment Infrastructure against Natural Hazards in Puerto Rico 

      Lugo Montes, Abdiel (Polytechnic University of Puerto Rico, 2020-11-13)
      This research focused on the use of FEMA’s Hazus-Multi Hazard GIS modeling software for the performance of a risk and vulnerability assessment on drinking water treatment plants in Puerto Rico against natural hazards. ...
    • Stabilization of a Spherical Robot 

      González, Kenneth J.; Sánchez, Christian
      Robotics is a multidisciplinary branch of science which combines principles of mechanical, electrical, computer engineering and computer science to design automated systems Our research continues the work started as part ...
    • Strength Comparison of Flat Roof Solar Panel Mounting Systems 

      Rivera Pagán, Carlos A. (Polytechnic University of Puerto Rico, 2023)
      The trend of installing solar panels in residential buildings has been primarily driven by efforts to lower energy costs, signifying a notable shift towards embracing solar energy solutions. The market offers a wide range ...