En el Repositorio Universidad de La Costa están depositados materiales en formato digital fruto de la producción científica o académica, de esta manera permite almacenar, difundir y preservar información de vital importancia.

Select a community to browse its collections.

pruebas

Regulaciones, Normativas y Reglamentos [383]

Tesis Doctorales y Trabajos de Grado [2246]

Sistema de georreferenciavción y rescate para aeronaves no tripuladas

Calderon Vega, Harold Yesid; Castañeda Pabon, Daniel Eduardo; Camargo, Esperanza (Corporación Universidad de la CostaColombia, 2022)

Introducción— Se desarrolló un dispositivo que puede ser acondicionado para aeronaves no tripuladas, este dispositivo lo que permite es que en caso de que una aeronave caiga y se pierda en una zona no especifica, a través ...
Stratigraphic and petrographic study of the limestones of the La Tomita sector, in the municipality of Manaure-Cesar, Colombia

De Los Reyes Díaz, Génesis Carolina; Mendoza Mejía, Zamir; Mosquera Nieves, Eloy I.; Rojas Martínez, Elías Ernesto; Manco Jaraba, Dino Carmelo; Lascarro Navarro, Frank (Corporación Universidad de la CostaColombia, 2022)

Introduction— In the La Tomita sector, municipality of Manaure (Cesar), outcrop a stratigraphic sequence of biomicrite limestones, biopelmicrites, pelmicrites, wackestones and packstones intercalated with shales, corresponding ...
Capacity of center pivot systems and emitter discharges for citrus irrigation. A case study

Fernández-Hung, Kaddiel; Vargas Rodríguez, Pável; Cueto Rodríguez, Jorge Rolando; Brown Manrique, Oscar Nemesio (Corporación Universidad de la CostaColombia, 2022)

Introduction— Given the reduction in water resources, irrigation should be carried out with the highest application efficiency. Irrigation pivots achieve application efficiencies close to localized systems; however, for ...
Water requirements of new citrus orchards in “Jiguaní” Agricultural Enterprise

Fernández-Hung, Kaddiel; Vargas Rodríguez, Pável; Cueto, Jorge Rolando; Brown Manrique, Oscar Nemesio (Corporación Universidad de la CostaColombia, 2022)

Introduction— The planting of 1200 ha of citrus fruits is planned in the “Jiguaní” Agricultural Enterprise and, for the design and subsequent management of the irrigation systems, it is essential to previously establish ...
VIGHUB: a technology forecasting tool based on mining software repositories

Hidalgo-Suarez, Carlos Giovanny; Bucheli-Guerrero, Víctor Andrés; Ordoñez-Eraso, Hugo Armando (Corporación Universidad de la CostaColombia, 2022)

Introduction— Academics, developers, and companies focused on technological development seek to know what exists and what is still missing in this field. One of the ways they use is the review of bibliographic sources ...

Envíos recientes

Sistema de georreferenciavción y rescate para aeronaves no tripuladas
...
Calderon Vega, Harold Yesid | 2022

Introducción— Se desarrolló un dispositivo que puede ser acondicionado para aeronaves no tripuladas, este dispositivo lo que permite es que en caso de que una aeronave caiga y se pierda en una zona no especifica, a través del mismo se logre el rescate de la aeronave enviando la coordenada en la que se encuentra. Objetivo— Desarrollar un sistema de georreferenciación para aeronaves no tripuladas implementando un sistema electrónico el cual pueda codificar y transmitir los datos de su posición actual, además desarrollar un sistema de visualización mediante un circuito detectable a dispositivos estroboscópicos alimentando estas dos partes por medio un prototipo el cual proporcione energía alternativa, todo esto dentro de un sistema contra impactos. Metodología— Es un dispositivo que envía la coordenada utilizando la placa pi in the sky la cual posee el módulo transmisor Radiometrix, para estos se realizaron pruebas a una base remota donde un computador con una serie de programas decodificara y mostrara la posición de esta en tiempo real para posteriormente lograr su rescate. Resultados— Se logró implementar al proyecto la placa Pi in The Sky la cual es capaz de codificar la coordenada para su posterior transmisión a la base usando el módulo Radiometrix, llegando a transmisiones de más 11km comprobando el robusto protocolo que usa. Se consiguió implementar un circuito estroboscópico que cumple con las exigencias del proyecto, obteniendo características a favor como lo es su intensidad lumínica y larga duración que está alrededor de las 72 Horas activas. Conclusiones— Con este trabajo investigativo se concluye que el proyecto logra transmisiones a más de 11k m de distancia a una base remota sin ningún percance y con ello obteniendo una trama de datos (latitud longitud y altitud en metros) para lograr su georreferenciación en todo momento.

LEER
Stratigraphic and petrographic study of the limestones of the La Tomita sector, in the municipality of Manaure-Cesar, Colombia
...
De Los Reyes Díaz, Génesis Carolina | 2022

Introduction— In the La Tomita sector, municipality of Manaure (Cesar), outcrop a stratigraphic sequence of biomicrite limestones, biopelmicrites, pelmicrites, wackestones and packstones intercalated with shales, corresponding to the Lagunita Formation of the Cogollo Group. Objective— To know the stratigraphic aspects, mineralogical composition and paleoenvironmental conditions of the outcropping limestones. Methodology— It proceeded with a lithostratigraphic description in the massif and taking samples in situ, twelve samples were extracted, of which seven were taken for petrographic analysis. Results— Wackestone facies with pelagic microfossils, bioclastic packstone, wackestone with worn mollusc bioclasts and wackestone with peloids were recognized. Petrographically, the limestones in this sector are made up of zircon, glauconite, sparite, micrite, pellets, planktonic foraminifera of the genus Heterohelix, of the Moremani species, and foraminifera of the genus Hedbergella and Trocoidea species. Bivalve fossils and some algae were also observed. Conclusions— These facies allowed establishing that these limestones were formed in an environment of medium platform with some external platform intervals, covering an area of facies of open sea.

LEER
Capacity of center pivot systems and emitter discharges for citrus irrigation. A case study
...
Fernández-Hung, Kaddiel | 2022

Introduction— Given the reduction in water resources, irrigation should be carried out with the highest application efficiency. Irrigation pivots achieve application efficiencies close to localized systems; however, for citrus irrigation, the equations available for its design and management do not contribute to the efficient and rational use of water. Objective— Adapt the expression of the capacity of the machine and propose a new formulation for the discharge of the emitters, to adequately describe the operation of the central pivots for citrus irrigation. Methodology— Logical research methods were used and within these, the historical method and the deductive logic, to obtain the adequacy and the new equations presented. Results— The expression of the α coefficient was obtained to adapt the expression of the capacity of the machine and two new equations to calculate the necessary discharges of the emitters. They were applied to a case study. Conclusions— It was confirmed that the center pivot machines to irrigate citrus obtain water consumption and application efficiency comparable could with localized irrigation systems.

LEER
Water requirements of new citrus orchards in “Jiguaní” Agricultural Enterprise
...
Fernández-Hung, Kaddiel | 2022

Introduction— The planting of 1200 ha of citrus fruits is planned in the “Jiguaní” Agricultural Enterprise and, for the design and subsequent management of the irrigation systems, it is essential to previously establish the water needs of the crop. Objective— Calculate the water needs of citrus orchards using the procedures outlined by FAO-56, applying the most recent update of the Allen and Pereira (A&P) approach. Method— To calculate the water needs of the crop, the ETo × Kc approach established by FAO-56 was followed. Within this, the ETo values were calculated using the Hargreaves-Samani equation and those of Kc , from the update of the A&P approach. Results— Water needs vary between 1.0 d–1 and 1.9 mm d–1 for young orchards, from 1.7 mm d–1 to 3.5 mm d–1 for high-density adult plantations and low trees, and from 2.2 mm d–1 to 4.3 mm d–1 for tall trees. Conclusions— The pertinence of the A&P approach to estimate the Kcb and Kc coefficients to determine the water consumption of orchards benefited with localized and high-frequency irrigation techniques was corroborated.

LEER
VIGHUB: a technology forecasting tool based on mining software repositories
...
Hidalgo-Suarez, Carlos Giovanny | 2022

Introduction— Academics, developers, and companies focused on technological development seek to know what exists and what is still missing in this field. One of the ways they use is the review of bibliographic sources (state-of-the art). In this sense, a tool was developed that allows the current state to be identified semi-automatically. Objective— This article proposes a tool that extracts information from repositories hosted on GitHub. It analyzes the data using computational techniques and presents the results through visualizations that identify the field’s technological evolution studied through the most used programming languages, central repositories, and organizations. Method— A model based on Mining Software Repositories (MSR) is used, which integrates an architecture based on microservices, using different programming languages, which allowed the construction of the VigHub tool. The model focuses on four aspects— Selection of a topic, extraction of the data source, analysis of information using computational techniques, and finally, the results are communicated through visualizations. Results— The VigHub tool was available online to carry out 3 case studies. The first in the academy, where technologies, programming languages, users, and companies interested in developing VLE’s (Virtual Learning Environment) were identified from 2011 to 2021. The second and third were carried out by companies (industrial environment), which stated that using the VigHub tool supports data analysis and valuable results identification. Conclusions— A tool that allows identifying a part of the current state of technology could be a helpful tool for academics, developers, and companies, saving human resources, time, and possible repeated developments- --code reuse. The VigHub tool aims to support the construction of state-of-the-art. Its results are complementary to the traditional method.

LEER

Repositorio Universidad de La Costa

Communities in DSpace

Recently Added

Sistema de georreferenciavción y rescate para aeronaves no tripuladas

Stratigraphic and petrographic study of the limestones of the La Tomita sector, in the municipality of Manaure-Cesar, Colombia

Capacity of center pivot systems and emitter discharges for citrus irrigation. A case study

Water requirements of new citrus orchards in “Jiguaní” Agricultural Enterprise

VIGHUB: a technology forecasting tool based on mining software repositories

Envíos recientes

Sistema de georreferenciavción y rescate para aeronaves no tripuladas

Stratigraphic and petrographic study of the limestones of the La Tomita sector, in the municipality of Manaure-Cesar, Colombia

Capacity of center pivot systems and emitter discharges for citrus irrigation. A case study

Water requirements of new citrus orchards in “Jiguaní” Agricultural Enterprise

VIGHUB: a technology forecasting tool based on mining software repositories

Repositorio Universidad de La Costa

Communities in DSpace

Recently Added

Sistema de georreferenciavción y rescate para aeronaves no tripuladas ﻿

Stratigraphic and petrographic study of the limestones of the La Tomita sector, in the municipality of Manaure-Cesar, Colombia ﻿

Capacity of center pivot systems and emitter discharges for citrus irrigation. A case study ﻿

Water requirements of new citrus orchards in “Jiguaní” Agricultural Enterprise ﻿

VIGHUB: a technology forecasting tool based on mining software repositories ﻿

Envíos recientes

Sistema de georreferenciavción y rescate para aeronaves no tripuladas

Stratigraphic and petrographic study of the limestones of the La Tomita sector, in the municipality of Manaure-Cesar, Colombia

Capacity of center pivot systems and emitter discharges for citrus irrigation. A case study

Water requirements of new citrus orchards in “Jiguaní” Agricultural Enterprise

VIGHUB: a technology forecasting tool based on mining software repositories

Sistema de georreferenciavción y rescate para aeronaves no tripuladas

Stratigraphic and petrographic study of the limestones of the La Tomita sector, in the municipality of Manaure-Cesar, Colombia

Capacity of center pivot systems and emitter discharges for citrus irrigation. A case study

Water requirements of new citrus orchards in “Jiguaní” Agricultural Enterprise

VIGHUB: a technology forecasting tool based on mining software repositories