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1
artículo
Publicado 2020
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The implementation of any software development process involves the consumption of critical resources. Software engineers cannot experiment with different development processes before starting them in real projects, due to the time that would entail and the amount of elements that are involved, so it is vital to have tools that allow the pre-visualization of the results of executing the software development process and how the environmental variables affect it, thus being able to anticipate under what conditions the software development process will be deployed. This paper presents the modelling and simulation of a software development process using System Dynamics (SD), which allows the graphical representation of the elements intervening in the software process, and the incorporation of as many relevant elements as possible. As a software costs estimation reference, the COCOMO estimati...
2
artículo
Publicado 2024
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Highly volatile, uncertain, complex and ambiguous environments (VUCA) complicate and condition project management. With the emergence of agile project management, it is proposed to co-construct it with the client's active participation. Two used agile methodologies are Scrum and Kanban. Scrum is based on executing fast, interactive cycles (Sprints) for the incremental construction of products. Kanban promotes the balance of the continuous workflow through synchronizing tasks and seeking perfection. The combined use of Scrum-Kanban facilitates the integration of the best of both approaches. The Theory of Constraints (TOC) proposes a method for managing constraints in a system (Constraint Management). The Drum-Buffer-Rope (DBR) method and Buffer Management are practical applications of this theory. This study seeks to maximize the continuous flow of value (Throughput) in agile project mana...
3
artículo
Publicado 2024
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Hoy en día, la gran cantidad de datos que genera la sociedad ha provocado una dependencia de Herramientas de análisis y visualización de datos. Por lo tanto, el objetivo de esta investigación fue implementar un Herramienta basada en la nube para mejorar la visualización de datos obtenidos de la simulación de red 4G en dispositivos inteligentes. metros. Se realizaron dos etapas para analizar y procesar los datos mediante una herramienta basada en la nube. para apoyar la visualización de datos y para comprender y facilitar la toma de decisiones efectiva. Esto resultó en un notable aumento del 27,39% en la calidad promedio de los datos, gracias a la autenticidad y confiabilidad de los datos obtenidos a través de la red 4G LTE en contadores inteligentes. También tuvo un impacto significativo sobre el porcentaje de datos leídos y mostrados, con un incremento del 63,70%. Finalmente,...
4
objeto de conferencia
Publicado 2021
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The main objective of this research was to show the predictive model implementation effects adjusted to grinding process on the economic profitability of a rice milling company. In first instance, quality and production area database was used to model a multiple regression equation, using the “Step by Step” technique in Minitab 19, resulting in: Actual Performance = 0.001 + 0.9317Hest Analysis - 0.000339 Processed Sacks; Predictive R2 = 95.81% and PRESS = 47.5168; concluding that the model fits the process, it is significant and has good predictive capacity. The regression equation was then simulated with Monte Carlo by analyzing probabilities and ranges in MS-Excel, earning operational revenue amounting to S/. 3,263,787.74 corresponding to an improvement of 3.94% compared to 2019, thus improving the company's economic profitability to 9.34% in Net Profit Margin and 15.92% in the ROA...
5
artículo
Currently there is a wide range of software to simulate robotic cell and interact with a process. This article details the procedure to simulate and program a robotic system of classification of items using the software Cosimir Educational. The project includes a window model, positions and programming. Programming is performed using the language Mitsubishi Robot Language (MRL), which is simple but with enough capacity to perform tasks with the robot. This language has commands for movement control, counters, timers, subroutines, loops and incorporates input and output signals.
6
artículo
Currently there is a wide range of software to simulate robotic cell and interact with a process. This article details the procedure to simulate and program a robotic system of classification of items using the software Cosimir Educational. The project includes a window model, positions and programming. Programming is performed using the language Mitsubishi Robot Language (MRL), which is simple but with enough capacity to perform tasks with the robot. This language has commands for movement control, counters, timers, subroutines, loops and incorporates input and output signals.
7
tesis de grado
Publicado 2018
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En la jurisdicción de la Provincia de San Martín y especialmente en el Distrito de Tarapoto, la eliminación de los residuos sólidos constituye desde hace mucho tiempo un gran problema para nuestra sociedad; en los residuos urbanos se ven incrementados por el creciente uso de las tecnologías de información en todos los aspectos del quehacer humano, esto clase de residuos son clasificados dentro de la línea gris. La presente investigación se centra en los residuos electrónicos de la línea gris, los procesos de gestión de los residuos y el volumen que generan en un determinado tiempo. Se plantea en este trabajo el desarrollo un modelo dinámico, con el objetivo de disponer de una herramienta adaptada a la realidad de la ciudad de Tarapoto, con la cual simular y evaluar según escenarios (positivo, intermedio, negativo) el volumen de residuos producidos en la línea gris. El model...
8
artículo
Publicado 2007
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Mine equipment selection is a complex task due to numerous technical, geometrical and economical variables involved. The variety of equipment manufacturers and agents carrying different models, types and sizes make the selection procedure even more complex. The mine planner does not have a tool to correctly select the equipment or fl eet for a project. Simulation fi lls the gap and contributes to this goal. This study tries to apply deterministic and probabilistic simulation approaches in selecting mining equipment using fi eld data from two surface mine operations. The deterministic model uses a one year production plan from a quarry. The equipment fl eet is selected on the basis of minimum unit cost for both drilling and excavation-haulage equipment fl eets. For the probabilistic approach the GPSS language is applied. Programs were prepared for various combinations of loaders and haule...
9
artículo
Publicado 2023
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This research focuses on the development of a simulation and control system for Computer Numerical Control (CNC) designed specifically for small and medium-sized companies in the Peruvian textile industry. The goal is to create a CNC system that optimizes production processes without the need for expensive equipment. This system simulation allows generating cutting paths for multiple fabric pieces belonging to a post, thus optimizing production time and ensuring the safety of the operator. Additionally, the aim is to provide a technological solution for the artisans fabric cutting area. The project is carried out using MATLAB software to simulate different parameters and obtain results of cutting speed and time performed by the CNC machine, based on the size and shape of the piece (in this case, a t-shirt). It has been established that the optimal cutting speed and time for the design pr...
10
tesis de maestría
Publicado 2016
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The following work focuses on the kinematic and dynamic study of a four-wheeled robot, which is equipped with omnidirectional Mecanum wheels. The main objective of the thesis is to obtain a mathematical model from which both the kinematics and kinetics of the robot can be analyzed. Furthermore, the study presents a methodology to optimize the torques (and subsequent associated voltages) provided by each of the motors on the robot for a given trajectory. A system in which a non-powered trailer pulled by the robot is also analyzed at a kinematic level. In this stage, four different cases are considered. The construction of the trailer is also described on this work. In the first chapter, the global state of the art on analysis and control of omnidirectional robots (with focus on robots with Mecanum wheels) is presented. In the second chapter, the physical considerations for the general mov...
11
tesis de maestría
Publicado 2016
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The following work focuses on the kinematic and dynamic study of a four-wheeled robot, which is equipped with omnidirectional Mecanum wheels. The main objective of the thesis is to obtain a mathematical model from which both the kinematics and kinetics of the robot can be analyzed. Furthermore, the study presents a methodology to optimize the torques (and subsequent associated voltages) provided by each of the motors on the robot for a given trajectory. A system in which a non-powered trailer pulled by the robot is also analyzed at a kinematic level. In this stage, four different cases are considered. The construction of the trailer is also described on this work. In the first chapter, the global state of the art on analysis and control of omnidirectional robots (with focus on robots with Mecanum wheels) is presented. In the second chapter, the physical considerations for the general mov...
12
tesis de grado
Publicado 2019
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Las prácticas pre profesionales son un requisito indispensable y de carácter importante para los estudiantes de cada una de las carreras profesionales existentes de la facultad de ingeniería de la Universidad. Privada Antenor Orrego (UPAO) sucursal Piura. Sin embargo, actualmente no existe una buena administración de este proceso, debido a que existen procesos internos no definidos o no ejecutados, demoras en los tiempos de ejecución en el monitoreo, falta de personal para supervisión de las prácticas, incumplimiento del reglamento, poca inversión para implementar un adecuado seguimiento a los practicantes. El sistema de prácticas pre profesionales para los estudiantes de las diferentes escuelas profesionales de la UPAO sucursal Piura no tiene un control adecuado en la supervisión de sus prácticas. Cada asesor de prácticas realiza la supervisión de acuerdo a su experiencia y...
13
artículo
Publicado 2012
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The Instituto para el Depósito de Valores (INDEVAL) is the Central Securities Depository of Mexico. It is the only Mexican institution authorized to perform in an integrated manner the activities of safe-keeping custody management clearing settlement and transfer of securities. In this article we report the modeling simulation and analysis of a new Securities Settlement System (SSS) implemented by INDEVAL as part of a project for the implementation of a safer and more efficient operating system. The main objective of this research was to use reduced amounts of cash and securities within reasonable periods of time for the settlement of securities of the Mexican market. A linear programming model for the netting and clearing of operations was used. The performance of the new SSS was evaluated by performing experiments using a deterministic simulation model under different operation parame...
14
artículo
Publicado 2012
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The Instituto para el Depósito de Valores (INDEVAL) is the Central Securities Depository of Mexico. It is the only Mexican institution authorized to perform, in an integrated manner, the activities of safe-keeping, custody, management, clearing, settlement and transfer of securities. In this article, we report the modeling, simulation and analysis of a new Securities Settlement System (SSS) implemented by INDEVAL, as part of a project for the implementation of a safer and more efficient operating system. The main objective of this research was to use reduced amounts of cash and securities, within reasonable periods of time, for the settlement of securities of the Mexican market. A linear programming model for the netting and clearing of operations was used. The performance of the new SSS was evaluated by performing experiments using a deterministic simulation model under different opera...
15
artículo
Publicado 2007
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Mining and metallurgical activity produces liquid effluents as a waste during the extraction process, which must be treated in order to be disposed in the environment, following governmental and environmental legislation. Big and medium size mining industry carry on environmental projects as it is the trend worldwide, but small size and informal mining did not have between its priorities the environmental issue due to the lack of research on clean technologies related to this sector which finally could influence in make more efficient its processes. The main aim of the research is centered on propose solutions with an experimental basis for design and dimension of containers in processes with chemical precipitation and cementing of dissolved metals in liquid effluents. Laboratory tests are detailed for cementing copper from liquid effluents by means of light scrap iron which allows recov...
16
artículo
Publicado 2007
Enlace
Enlace
Mining and metallurgical activity produces liquid effluents as a waste during the extraction process, which must be treated in order to be disposed in the environment, following governmental and environmental legislation. Big and medium size mining industry carry on environmental projects as it is the trend worldwide, but small size and informal mining did not have between its priorities the environmental issue due to the lack of research on clean technologies related to this sector which finally could influence in make more efficient its processes. The main aim of the research is centered on propose solutions with an experimental basis for design and dimension of containers in processes with chemical precipitation and cementing of dissolved metals in liquid effluents. Laboratory tests are detailed for cementing copper from liquid effluents by means of light scrap iron which allows recov...
17
artículo
Publicado 2016
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This paper analyzes the main factors behind pension expenditures and projects their evolution to 2075 in four Latin American countries: Chile, Peru, Colombia, and Mexico. Pension expenditures are defined as those included in the national budget and allocated to specific benefit plans and to non-contributory pensions. Using a model developed by Clements et al. (2013), it was found that, currently, expenditures are between 1.8 and 6.4 percent of GDP. However, they will rise between 2 and 4 times by 2075, mainly due to population aging. Two simulations were conducted. The first boosted the aging process while the second assumed universal coverage of non-contributory pensions. Expenditures significantly increased in both scenarios and it is recommended that countries pay more attention to aging and its consequences in the long run, especially to the fiscal sustainability of pension systems, ...
18
artículo
Publicado 2019
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Mixed norms that promote structured sparsity have numerous applications in signal processing and machine learning problems. In this work, we present a new algorithm, based on a Newton root search technique, for computing the projection onto the l ?,1 ball, which has found application in cognitive neuroscience and classification tasks. Numerical simulations show that our proposed method is between 8 and 10 times faster on average, and up to 20 times faster for very sparse solutions, than the previous state of the art. Tests on real functional magnetic resonance image data show that, for some data distributions, our algorithm can obtain speed improvements by a factor of between 10 and 100, depending on the implementation. © 2019 Society for Industrial and Applied Mathematics.
19
Publicado 2018
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El objetivo de este trabajo de investigación fue los sistemas de datos basados en PC han entrado en casi todos los aspectos de nuestras vidas. Su capacidad para ayudar a abordar problemas y tomar decisiones las hace cruciales en los negocios y en la junta. Las organizaciones se enfrentan constantemente a problemas y circunstancias no deseados. Las opciones son vitales cuando una persona a una reunión debe elegir una estrategia. Los marcos de datos basados en PC utilizan la información como material en bruto, la miden y producen datos como rendimiento. A pesar del hecho de que la información puede contener datos aquí y allá, en general debe manejarse para entregar datos que comprendan realidades, conocimientos y otros componentes útiles para la publicidad y la dinámica. Un marco es un grupo de componentes que funcionan de manera planificada para lograr un objetivo compartido. Un m...
20
artículo
Publicado 2019
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Mixed norms that promote structured sparsity have numerous applications in signal processing and machine learning problems. In this work, we present a new algorithm, based on a Newton root search technique, for computing the projection onto the ℓ∞,1 ball, which has found application in cognitive neuroscience and classification tasks. Numerical simulations show that our proposed method is between 8 and 10 times faster on average, and up to 20 times faster for very sparse solutions, than the previous state of the art. Tests on real functional magnetic resonance image data show that, for some data distributions, our algorithm can obtain speed improvements by a factor of between 10 and 100, depending on the implementation
