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1
tesis doctoral
Publicado 2019
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El presente trabajo de investigación presenta un nuevo modelo para la implementación de e-learning personalizado. El modelo propuesto considera el nivel de habilidades o conocimiento que un estudiante tiene en un tema en particular; esto se determina a través de una prueba de entrada (pretest); este aspecto es muy importante para evitar problemas conocidos como la ansiedad o el aburrimiento de acuerdo a la teoría de flujo. Adicionalmente, para determinar la secuencia óptima de recursos de aprendizaje para un estudiante, se trabajó de manera complementaria con dos técnicas de inteligencia artificial: El Razonamiento Basado en Casos (CBR) y el Aprendizaje por Refuerzo (Q-Learning). El Razonamiento Basado en Casos, permitió en base a casos de éxito del pasado, determinar la secuencia de recursos de aprendizaje más apropiada para el estudiante; y en caso de no haber casos muy simil...
2
artículo
Publicado 2012
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The Vehicle Routing Problem considers the design of sets of minimal cost routes, from an originated point knowned as deposit to an ended point. In this problematic situation, a key element in delivery systems is the sequencing of transport units, determined by the requirement of customers. The aim of this article is to present a new method of solving the problem of allocation of routing companies with the need to distribute products, through new models that use different algorithms. The model designed from the analysis of a set of metaheuristics, develop viable options to solve the daily problem of how to allocate and distribute products, from the company to customers, with efficiently and effectively ways.
3
artículo
Publicado 2008
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Roaming is a service of mobile communications where the clients of a switch named home network, can use cellular service in another different network named visited network. It is the capacity of a mobile user to carry out and to receive calls with same cellular number when he travels another countries. This article presents the elements for the service infrastructure development, considering that represents an opportunity of business.
4
artículo
Publicado 2008
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Roaming is a service of mobile communications where the clients of a switch named home network, can use cellular service in another different network named visited network. It is the capacity of a mobile user to carry out and to receive calls with same cellular number when he travels another countries. This article presents the elements for the service infrastructure development, considering that represents an opportunity of business.
5
artículo
Publicado 2021
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This study aims to evaluate the future of confirmed cases of Covid-19 in Peru, using the Gompertz nonlinear regression model. The data were obtained from official reports of the Peru Ministry of Health (MINSA). The accumulated value of fatal cases was subjected to iterative analysis by the non-linear least-squares method to achieve a model. Given the first-order derivative of the predictive model was obtained the daily fatal cases curve. Using the fatality rate as the proportion between infected and fatal cases, both of them would also provide days average lag to estimate the epidemic curve. For the moment, the predictive model suggests that Peru would be in a slow descent in the epidemic curve, moving away from the peak of contagions per day. The trend of reaching about 550 thousand infected and 19 thousand deaths until the end of the year 2020. The predictions of the mathematical model...
6
artículo
The study minimizes the cycle waiting time of loading and hauling equipment between loading points of the underground mining operation and unloading points on surface. For this purpose the existing loading and hauling system is first analyzed. Present system consists of four underground loading points and 4 unloading spots on surface. The waiting cost is estimated and then the increment in loading points underground is proved for reducing haulage cost which is a bearing component of the mining cost. By applying queuing techniques the possible reduction in waiting cost is obtained by increasing the number of loading points. The information gathered comes from loading and hauling times measured at site. Evaluated variables were number of loading points vs. waiting time cost of haulers and unit cost of underground ore and waste bins.
7
artículo
In this work, a basic epidemiological model is used to determine the evolution of COVID-19 in each of the regions of Peru. For determining the parameters of the model which characterize a certain epidemic, the reports of infected, deceased and recovered people provided by the Regional Health Management of Peru are used. As a result, we obtained the configuration of the infected, susceptible and removed which are consistent with the existing bibliography, thus we also obtain a time interval in which there is a considerable number of infected, the maximum number of infected and the date on which it occurs.
8
artículo
In this work, a basic epidemiological model is used to determine the evolution of COVID-19 in each of the regions of Peru. For determining the parameters of the model which characterize a certain epidemic, the reports of infected, deceased and recovered people provided by the Regional Health Management of Peru are used. As a result, we obtained the configuration of the infected, susceptible and removed which are consistent with the existing bibliography, thus we also obtain a time interval in which there is a considerable number of infected, the maximum number of infected and the date on which it occurs.
9
artículo
Publicado 2020
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The paper reveals the problem of the professional formation of a future teacher, training a teacher with a high intellectual level of self-awareness, being capable of conceptual thinking, creativity and being ready to independently managing one’s own professional activity, which will allow interacting more effectively with the learning environment, being an active subject of professional and pedagogical activity.
10
artículo
Publicado 2022
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In the context of the spread of the coronavirus (Covid-19), worldwide, data has been reported on the number of positive cases, deaths, hospitalized, recovered, etc. In the case of Peru by the Ministry of Health (MINSA), from these an analysis is carried out, emphasizing the number of positive cases and deaths and taking as reference the behavior of a physical phenomenon, a number f is postulated, to describe the evolution of positive cases and deaths from coronavirus.
11
artículo
Studies of urban transport networks in many cities are not well focused, since they do not include tools for their planning and control, making decisions to solve the multiple problems regarding traffic congestion expensive and not adequate, generating discomfort in the users, and many times it aggravates the problems, since its impact is not evaluated. Currently exist a variety of simulators that are helpful for traffic simulation and online monitoring. An alternative to this are traffic simulators, which currently exist in variety, however, they are not easily accessible, a formal study and a relationship with the research center that provides it is required, their personalized reports are limited and they comply to another reality. In the present work, six frequent cases of urban transport networks in Lima are modeled, simulated and validated: intersection, oval, union, by-pass, clove...
12
artículo
Publicado 2018
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This study presents a simplified analytical model for ore deposit evaluation for either an orebody in a stage of project or in actual exploitation. Model variables are average ore grades of contained metals, annual rate of ore mined and ore deposit reserves. The model estimates annual net cash income, return on investment and net value of the ore deposit at the investor’s fixed annual interest rate after discounting the total investment. An example of the model application is shown for a copper-zinc ore deposit mined by the open pit method. All three variables of the model are considered to be the most important factors and were chosen from a number of known variables of the annual income flow. The criteria for variables selection follow the 80/20 Pareto rule which shows that 20 percent of the factors account for 80 percent of the results. The surface mining method was chosen by compar...
13
artículo
Publicado 2020
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The main objective of this study was to determine the relationship between the project management maturity level and the results case Joy Global. The descriptive type and the correlational type were used as the type of research, since its purpose was to measure the degree of relationship that exists between the two study variables. The methodological design is non-experimental. For the research study the maturity level is calculated according to the 10 knowledge areas of the PMI such as integration, scope, time, cost, quality, human resources, communication, risks, acquisition and stakeholders management and the success of a project taking into account the 5 components of (Shenhar & Dvir, 2007). The results obtained reflect the direct relationship between the maturity level variable on the projects success variable within the company Joy Global (Peru).
14
artículo
Publicado 2015
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This paper analyzes a model of decentralized marketing cape gooseberry (Physalis peruviana) as an alternative to traditional wholesale channels; where brokers obtain higher profits; while farmers receive little profit for their product and the customer receives an expensive product. The investigative process development for nine months under a descriptive exploratory approach to data collection and triangulation of it to build the case. The project currently benefits 40 farmers; victims of armed conflict in the village of Mesopotamia Antioquia Union have joined the project, which has particularities like organic production of 1.2 tons per month of product, recovery of abandoned land; and equitable distribution of profits and the way for negotiations between farmers and the seller as a new proposal of peasant association.
15
artículo
Publicado 2015
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This paper analyzes a model of decentralized marketing cape gooseberry (Physalis peruviana) as an alternative to traditional wholesale channels; where brokers obtain higher profits; while farmers receive little profit for their product and the customer receives an expensive product. The investigative process development for nine months under a descriptive exploratory approach to data collection and triangulation of it to build the case. The project currently benefits 40 farmers; victims of armed conflict in the village of Mesopotamia Antioquia Union have joined the project, which has particularities like organic production of 1.2 tons per month of product, recovery of abandoned land; and equitable distribution of profits and the way for negotiations between farmers and the seller as a new proposal of peasant association.
16
artículo
Publicado 2019
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This paper focus on implementation of communication strategies developed in the Rehabilitation of Potable Water and Sewerage Network Lote 3 project, executed between 2013 and 2014 in the district of Comas, north of Lima-Peru, and belonging to the Servicio de Agua Potable y Alcantarillado de Lima (SEDAPAL), company responsible for water and sewage in Lima. As a result, it could be observed that the implementation of a diagnosis of perceptions, the communication plan and the communication and education products allowed to facilitate the design of messages according to the context of the project, taking into account the speeches of the users against and in favor of the project, as well as the objectives sought by the executing company.
17
tesis de grado
Publicado 2019
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Para esta investigación se utilizó el método cuantitativo utilizando encuesta de 20 preguntas para 30 operadores de minicargador, también se utilizó el método cualitativo realizando 03 entrevistas a supervisor, coordinador y mecánico de la empresa, teniendo como resultado que no se realiza mantenimiento preventivo y la empresa no cuenta con la disponibilidad del minicargador para realizar trabajo. Se planteó 03 objetivos para mejorar la gestión de mantenimiento y disponibilidad, el primer objetivo es analizar mejorar o crear procedimientos que ayuden a ordenar los mantenimiento y la disponibilidad del minicargador con la creación de un plan de mantenimiento e indicadores que ayudaran a controlar los mantenimientos programados, el segundo objetivo es la tercerización de los mantenimiento preventivos y correctivos de los minicargadores , evaluando el costo, procesos e indicadore...
18
artículo
Publicado 2016
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The present research was held in the basin of the river Ramis, located in the hydrographic region of Titicaca, Peru, with the objective of calibrating and validating the Sacramento hydrological model (SAC-SMA) from a semi-distributed approach. The hydrometeorological information used for rainfall, temperature and flow, correspond to a series of records 2005 - 2016. The methodology of spatial interpolation of meteorological data in the virtual station was estimated using the Shepard procedure and potential evapotranspiration by the model Turc, these methodologies are incorporated in the RSMINERVE platform and are automated estimates. The calibration and validation phase of the model was performed randomly with 70% and 30% of the total data respectively. The statistical evaluation of efficiency and error were measured by the Nash coefficient, Nash coefficient for logarithm values and r...
19
artículo
Publicado 2016
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The present research was held in the basin of the river Ramis, located in the hydrographic region of Titicaca, Peru, with the objective of calibrating and validating the Sacramento hydrological model (SAC-SMA) from a semi-distributed approach. The hydrometeorological information used for rainfall, temperature and flow, correspond to a series of records 2005 - 2016. The methodology of spatial interpolation of meteorological data in the virtual station was estimated using the Shepard procedure and potential evapotranspiration by the model Turc, these methodologies are incorporated in the RSMINERVE platform and are automated estimates. The calibration and validation phase of the model was performed randomly with 70% and 30% of the total data respectively. The statistical evaluation of efficiency and error were measured by the Nash coefficient, Nash coefficient for logarithm values and r...
20
artículo
Publicado 2016
Enlace
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The present research was held in the basin of the river Ramis, located in the hydrographic region of Titicaca, Peru, with the objective of calibrating and validating the Sacramento hydrological model (SAC-SMA) from a semi-distributed approach. The hydrometeorological information used for rainfall, temperature and flow, correspond to a series of records 2005 - 2016. The methodology of spatial interpolation of meteorological data in the virtual station was estimated using the Shepard procedure and potential evapotranspiration by the model Turc, these methodologies are incorporated in the RSMINERVE platform and are automated estimates. The calibration and validation phase of the model was performed randomly with 70% and 30% of the total data respectively. The statistical evaluation of efficiency and error were measured by the Nash coefficient, Nash coefficient for logarithm values and r...
