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1
artículo
Globalization has intensified competition in many markets. To remain competitive, the companies look for satisfying the needs of customers by meeting market requirements. In this context, Process Capability Indices (PCI) play a crucial role in assessing the quality of processes. In the case of non-normal data there are two general approaches based on transformations (Box-Cox and Johnson Transformation) and Percentiles (Pearson’s and Burr’s Distribution Systems). However, previous studies on the comparison of these methods show different conclusions, and thus arises the need to clarify the differences between these methods to implement a proper estimation of these indices. In this paper, a simulation study is made in order to compare the above methods and to propose an appropriate methodology for estimating the PCI in non-normal data. Furthermore, it is concluded that the best method ...
2
artículo
Publicado 2005
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Over the last years, using phenomena models in interpreting and designing of software in metallurgical processes has been increasing. In this present research, a series of experimental test with polymetallic minerals is shown, which have been submitted to Flotation, Filtration, Leaching and Sedimentation processes. Mathematic modelling of such processes is shown, as well as the processing and simulation of the experimental data through the respective models. It is intended to contrast them with data from metallurgical plants for their respective validations. All these results will be used for a better planning and control of industrial variables in a concentrating plant.
3
artículo
Publicado 2005
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Over the last years, using phenomena models in interpreting and designing of software in metallurgical processes has been increasing. In this present research, a series of experimental test with polymetallic minerals is shown, which have been submitted to Flotation, Filtration, Leaching and Sedimentation processes. Mathematic modelling of such processes is shown, as well as the processing and simulation of the experimental data through the respective models. It is intended to contrast them with data from metallurgical plants for their respective validations. All these results will be used for a better planning and control of industrial variables in a concentrating plant.
4
artículo
Publicado 2022
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Currently, textile processing plants need to control the conditions associated with the spinning process, being the air conditioning of working environments an important factor in the quality and productivity of these processes. The benefits obtained from the optimization of this air conditioning help to guide a lower energy consumption, helping to improve the positioning of the products and providing profitability in the operation processes. Due to the advantages obtained in the air conditioning process, this work proposes a system that allows reusing the residual energy generated at the outlet of the ventilation ducts. This residual energy is fed into the plant to reduce the high temperatures observed in the ceiling. Consequently, this approach will generate a decrease in the service demand of the air conditioning system and reduce operating costs. Also, to verify this proposal, a mult...
5
artículo
Publicado 2021
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The objective of this article is to describe the satisfaction of students with the use of technological simulation tools in learning in the automatic process control course, as part of the pedagogical update in the context of dis-tance education. The Academic Satisfaction Scale (ESA) was used as a meas-urement instrument, the reliability of the data was performed through Cronbach's alpha, giving a consistencyvalue of 0.949. When developing the re-search, it was determined that 56.8% of the students are satisfied with the aca-demic experience of their learning using technological simulation tools in the virtual environment. On the other hand, 11.4% of students indicated that the content transmitted in this course does not excite them and they do not feel comfortable, these results will allow generating feedback to the teacher in their pedagogical techniques and teaching methods. Likewise,...
6
artículo
Publicado 2014
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Globalization has intensified competition in many markets. To remain competitive, the companies look for satisfying the needs of customers by meeting market requirements. In this context, Process Capability Indices (PCI) play a crucial role in assessing the quality of processes. In the case of non-normal data there are two general approaches based on transformations (Box-Cox and Johnson Transformation) and Percentiles (Pearson’s and Burr’s Distribution Systems). However, previous studies on the comparison of these methods show different conclusions, and thus arises the need to clarify the differences between these methods to implement a proper estimation of these indices. In this paper, a simulation study is made in order to compare the above methods and to propose an appropriate methodology for estimating the PCI in non-normal data. Furthermore, it is concluded that the best method ...
7
artículo
Publicado 2024
Enlace
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This study presents Datalyzer, a system designed for data extraction, visualization, and prediction in the mining sector using advanced NLP and machine learning, specifically GPT-3.S Turbo. The system enhances operational efficiency through rigorous data preprocessing and specialized fine-tuning, validated on a simulated mining dataset. Results show significant improvements: data extraction time reduced by 94 % and visualization time by 97.6%. These improvements indicate a transformation in efficiency, usability, and user satisfaction. Despite limitations in data variability and complexity, this pioneering approach highlights the potential of NLP and machine learning in modernizing the mining industry and supporting data-driven decision-making.
8
artículo
Publicado 2020
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The objective of this work has been to analyze and simulate the interactions of atmospheric and hydrological processes using the WRF Model (Weather Research and Forecasting) in Peru for the year 2014. SENAMHI records precipitation data through a meteorological network found distributed in almost all the Peruvian territory. Due to precipitation has a high spatial variability and to the scarcity of rain gauges, the use of TRMM images was used to estimate precipitation and the WRF atmospheric model to analyze the interactions of atmospheric and hydrological processes during different periods and considering the cumulus parameterizations (Kain-Fritsch scheme, KF) and microphysics (Thompson scheme). Thirty- six images of accumulated monthly precipitation over Peru were processed using the simulation of the atmospheric model WRF (two cases) and the TRMM. Twelve meteorological stations distribu...
9
artículo
Publicado 2011
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In this investigation it has been evaluated the current situation of the emergency area that assists adults, in a public hospital of Peru. The software Arena was used to perform discreet simulations, with the objective of obtaining improvement proposals that allow reduce the total time of the patient’s permanency in this area before he is to discharge from hospital or admitted in the hospital. A simulation model was developed where several types of patients were identified that were assisted in the surgery, medicine, and traumatología topics. In some cases clinical analysis was required. For reduce the time of a patient’s permanency in the system diverse possibilities were evaluated, being the best alternative a modification in the schedule of the doctors’ attention in the medicine topic. This solution considers that four doctors assist from 7:00 a.m. to 7:00 p.m. and two doctors ...
10
artículo
Publicado 2011
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In this investigation it has been evaluated the current situation of the emergency area that assists adults, in a public hospital of Peru. The software Arena was used to perform discreet simulations, with the objective of obtaining improvement proposals that allow reduce the total time of the patient’s permanency in this area before he is to discharge from hospital or admitted in the hospital. A simulation model was developed where several types of patients were identified that were assisted in the surgery, medicine, and traumatología topics. In some cases clinical analysis was required. For reduce the time of a patient’s permanency in the system diverse possibilities were evaluated, being the best alternative a modification in the schedule of the doctors’ attention in the medicine topic. This solution considers that four doctors assist from 7:00 a.m. to 7:00 p.m. and two doctors ...
11
artículo
Publicado 2023
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In this article, a simulation model was developed to propose and evaluate improvements that increase the productivity of the production process of a manufacturing company and at the same time help achieve the company's objectives, for which the Promodel simulation software was used. The study begins with the conceptualization of the model explaining the operation of the production process of the company, detailing the transactions used in the operations and then presenting the layout of the model with the different locations, entities and resources provided by the production process. And finally the results of the model are transcribed with the new values of the variables that intervene in the process and with these values compare it with the current ones and obtain the conclusions of productivity improvement.
12
artículo
Publicado 2022
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This study proposes the simulation of a system for reducing polluting gases produced by a steel foundry by two-stage centrifugation. This simulation seeks to verify the physical principle of centrifugation in two cyclones (Stairmand and Swift types) in serial connection: one with its inlet at the outlet of the other, based on initial gas inlet conditions, as well as the design equations of this equipment. Likewise, it's intended to demonstrate the efficiency of this system by entering the mass composition of the gas, in particulate matter (PM) terms, measuring its new composition at the output, after simulating the gas and particle dynamics. For this, Ansys CFD and Ansys Fluent software are used (with previous data analysis and processing), and Python programming techniques to automate calculations and obtain the optimal design values for the cyclones. This system seeks to be an alternat...
13
artículo
Mathematical modelling applied to batch milling (at experimental level), is a very important tool to simulate and predict the granulometric yield of a given treated ore; this means, for a given duration of milling operation, to obtain an estimate of the corresponding granulometric analysis, which can then be tested with real data later on, to verify the estimates. The model involves the selection and fracture functions depending on each mesh size in the ore distribution. This will allow the prediction of effective and reliable results, saving costs and more importantly, time, without the need to perform the milling process for each prediction of batch milling.
14
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,...
15
artículo
Publicado 2023
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Precision agriculture brought with it the implementation of new digital technologies, mainly autonomous vehicles, satellite images, IoT and artificial intelligence, to provide economic, productive, and environmental benefits in the agricultural field. However, the main applications are focused on data management and monitoring of crop fields, so agricultural processes such as planting and harvesting are not yet fully automated. A clear example of this occurs in the cultivation of rice, which despite being one of the most important agricultural products in the world, the manual production method continues to predominate in developing countries. This work presents a design of an autonomous terrestrial vehicle capable of carrying out the rice transplantation process, having as its main characteristics its ability to move in the field of cultivation at a speed of 0.75m/s, transport a payload...
16
tesis de grado
Publicado 2022
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Actuators are devices that provides a controlled change in a physical system. They can operate manually, electrically, or by various fluids. Among them, pneumatics actuators have advantages of working with compressible fluids that provides safety and efficient limitations. These are very critical parameters for soft robotics. Rigid actuators are not suitable to substitute muscle functions, hence flexible actuators are appealing. Yet the process to fabricate soft actuators have long iteration until the final product is manufactured and is difficult to design and control due to their natural flexible behavior. 3D printing could be a possible solution. Researchers are exploring feasible solutions with 3D printing material. However, since it’s a new area of research, there is not a large and deep characterization of these materials. This study will focus on the simulation of a hyperelastic...
17
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.
18
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.
19
artículo
Publicado 2014
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In the present investigation a simulation model was elaborated to propose and to evaluate improvements in a center of distribution of foods of human consumption. They took as indicators to evaluate the acting of the system; the level of service that perform the center, the time of answer, so much in the reception as the despatch and the operative costs. With the simulation model they were executed a series of experiments; as the plant layout of the warehouse, modifications in the reception processes and shipping, obtaining this way a configuration that the yield of the system increases in study in approximately 40%.
20
artículo
Publicado 2014
Enlace
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In the present investigation a simulation model was elaborated to propose and to evaluate improvements in a center of distribution of foods of human consumption. They took as indicators to evaluate the acting of the system; the level of service that perform the center, the time of answer, so much in the reception as the despatch and the operative costs. With the simulation model they were executed a series of experiments; as the plant layout of the warehouse, modifications in the reception processes and shipping, obtaining this way a configuration that the yield of the system increases in study in approximately 40%.
