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1
artículo
Publicado 2020
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The resolution of triangular systems is a computational nucleus widely used in various scientific applications. This research performs the implementation and comparison of several parallel algorithms against an efficient sequential algorithm for solving triangular systems. The algorithms are distinguished by the way of partitioning the matrix and the allocation to the processors. The analysis of the behavior of the algorithms is performed in the solution of systems of linear superior triangular equations in a cluster of computers. For this, the arithmetic time, communication time, speed-up, and maximum efficiency metrics are taken into account. Experiments were performed for each algorithm with different matrix sizes on various processors. The algorithm with the best results was the one that blocks the rows of the matrix and applies a cyclical distribution in the cluster.
2
artículo
Nowadays, some of the most popular tools for parallel programming are Message Passing Interface and Open Multi-Processing. It is of interest to compare these tools in solving the same kind of problems, because of the use of different approaches to inter-task communication. This work attempts to contribute to this goal by running trials in a centralized shared memory architecture in the case of problems with an entirely parallel solution. The selected case study was the parallel computation of Mandelbrot set. Trials were conducted for different iteration limits, processors amount, and C++ implementation variants. The results show better performance in the case of Open Multi-Processing.
3
objeto de conferencia
Publicado 2022
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ACM-2022: Algorithms Computing and Mathematics Conference, August 29 – 30, 2022, Chennai, India.
4
artículo
Publicado 2019
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This paper initially describes aspects of the modeling of structures equipped with energy dissipators Shear Link Bozzo (SLB) and develops two iterative design procedures to select these devices. This methodology is applied to a precast 5-story reinforced concrete building. The SLB energy dissipation devices are initially stiff, but ductile with a range of yielding forces from 36 kN to 900 kN characterized by 52 + 52 standard devices. Moreover, these devices can be combined in parallel giving a very wide range of possibilities for selection and corresponding structural response. Therefore, to simplify its automatic selection, this article presents two procedures: (1) direct iteration and (2) inverse or fixed force iteration. Both procedures were implemented in an automatic application or “plugin” for the ETABS program that automates its selection for a specific structural system or ar...
5
artículo
Publicado 2004
Enlace
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On July 28, three years have passed since President Toledo announced that decentralization would be one of the central policies of his government and that in November 2022 -in parallel with the municipal elections scheduled for that date- elections would be held for the new regional authorities.
6
artículo
Publicado 1985
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A significant number of projects specifically oriented to the promotion of rural women are currently being developed throughout the country. Parallel to the programs implemented by the public sector (CIPA, Ministry of Labor and Social Promotion), non-governmental organizations have designed localized coverage actions aimed at serving this sector of the population. Various events in recent years have brought together the promoters involved in these actions and through discussions and workshops a common problem has begun to be configured for this type of action. Our intention here is to evoke some of the converging problems detected and outline some guidelines that allow us to fine-tune the approaches of the projects and optimize the impact of the actions.
7
artículo
Publicado 2021
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Enlace
The research “Constructive solutions to protect the life and physical integrity of the population against frost and cold in, Puno- Year 2018”, developed a basic type, with non-experimental and transversal designs.In its development, a direct relationship was found between the variables, which allowed the development of an instrument to assess the population’s acceptance of constructive solutions, normally designed by the government. t was found that to achieve efficiency and effectiveness, in the treatment of frost and cold. Parallel to the National Program, the government should implement Control Letters, to appreciate as solutions the treatment of the dispersion of prevention efforts. This will allow the alignment of the constructive condition factors and the spatial organization, thus adapting the constructive solutions, with the spatial organization that the people of Puno must...
8
artículo
Publicado 2021
Enlace
Enlace
The research “Constructive solutions to protect the life and physical integrity of the population against frost and cold in, Puno- Year 2018”, developed a basic type, with non-experimental and transversal designs.In its development, a direct relationship was found between the variables, which allowed the development of an instrument to assess the population’s acceptance of constructive solutions, normally designed by the government. t was found that to achieve efficiency and effectiveness, in the treatment of frost and cold. Parallel to the National Program, the government should implement Control Letters, to appreciate as solutions the treatment of the dispersion of prevention efforts. This will allow the alignment of the constructive condition factors and the spatial organization, thus adapting the constructive solutions, with the spatial organization that the people of Puno must...
9
artículo
Publicado 2023
Enlace
Enlace
Canine rabies is a current health problem, very important for public health, livestock production, and the economy. The objective of this research was to evaluate the Spatio-temporal distribution of canine rabies in the period 2009-2018 in Havana, Cuba. A descriptive, retrospective, passive, cross-sectional, observational study was conducted. For the statistical analysis, the Epidat software, version 3.1, based on a Microsoft Excel matrix, was used. The epidemiological indicators were determined: prevalence of cases, monthly time series, and cumulative trend of outbreaks. While, for the spatial analysis, the geographic coordinates were calculated from the centroid of each municipality. For visualization, the QGIS version 3.0.1 program and the GEOCUBA cartographic bases were used. The comparison of proportions was made for the positive cases between the peripheral and central areas, which...
10
artículo
Publicado 2000
Enlace
Enlace
This article develops a robust platform for remote process management.JAVA language is used as a programming language at three levels of development: Control Servers, Web Server and Web Clients. The interaction with the control servers will be through the serial port and/or parallel port depending on the requirement. Thus we can interact with any specialized control device: A microcontroller, a PLC (Programmable Logic Controller), a DSP (Digital Signal Processor) or sophisticated sensors that send data through the aforementioned ports, theLocal network of Control servers ensure the reliability and proper functioning of our processes.The exit door to the Internet will be the "Web Servers", which serve clients; Such a client does not have direct access to the system, until it has verified its privileges. The information thatjourney through the Web is encrypted. Using a microcontroller we w...
11
tesis doctoral
Publicado 2022
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The upgrade program of the Large Hadron Collider (LHC) was implemented during the second Long Shutdown program (2019/2020). For this program, the ALICE Collaboration (A Large Ion Collider Experiment) proposed, among others, a new detector called Muon Forward Tracker (MFT). The primary goal of the MFT detector, installed on December 2021 and located between the Inner Tracker System (ITS) and the Muon Spectrometer, is to improve the capability of vertex reconstruction. The MFT is equipped with the same pixel sensors used for the ITS upgrade. These sensors are the ALICE Pixel Detectors (ALPIDE), a kind of monolithic active pixel sensor. The MFT is composed of five arrays of pixel sensors which are configured as parallel discs covering −3.6 < η < −2.45. Some prototypes were designed in order to achieve the final version of the ALPIDE, such as the pALPIDE family, which was divided into t...
12
Publicado 2020
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El objetivo de este trabajo de investigación es sobre, el control del SCR con UJT, PIC y Arduino, que consiste en la implementación de un proyecto sobre un carrito electrónico. La cual es simulado a través del Arduino y controlado vía bluetooth (celular: 5G), para demostrar el funcionamiento y desarrollo correcto desde la apertura (disparo) por el gate (compuerta) del SCR en el circuito electrónico. En la cual analizaremos y demostraremos a cada uno de los dispositivos electrónicos, a través de una implementación según el funcionamiento y la característica de cada componente (SCR-UJT) en relación a micro controlador pic y el Arduino, las cuales cuenta con la misma arquitectura y el lenguaje de programación con la única diferencia que el primero se programa en puerto serie, paralelo o USB a través de una computadora y el Arduino se hace a través del puerto serial Asíncron...
13
artículo
Publicado 2019
Enlace
Enlace
This paper initially describes aspects of the modeling of structures equipped with energy dissipators Shear Link Bozzo (SLB) and develops two iterative design procedures to select these devices. This methodology is applied to a precast 5-story reinforced concrete building. The SLB energy dissipation devices are initially stiff, but ductile with a range of yielding forces from 36 kN to 900 kN characterized by 52 + 52 standard devices. Moreover, these devices can be combined in parallel giving a very wide range of possibilities for selection and corresponding structural response. Therefore, to simplify its automatic selection, this article presents two procedures: (1) direct iteration and (2) inverse or fixed force iteration. Both procedures were implemented in an automatic application or “plugin” for the ETABS program that automates its selection for a specific structural system or ar...
14
tesis doctoral
Publicado 2022
Enlace
Enlace
The upgrade program of the Large Hadron Collider (LHC) was implemented during the second Long Shutdown program (2019/2020). For this program, the ALICE Collaboration (A Large Ion Collider Experiment) proposed, among others, a new detector called Muon Forward Tracker (MFT). The primary goal of the MFT detector, installed on December 2021 and located between the Inner Tracker System (ITS) and the Muon Spectrometer, is to improve the capability of vertex reconstruction. The MFT is equipped with the same pixel sensors used for the ITS upgrade. These sensors are the ALICE Pixel Detectors (ALPIDE), a kind of monolithic active pixel sensor. The MFT is composed of five arrays of pixel sensors which are configured as parallel discs covering −3.6 < η < −2.45. Some prototypes were designed in order to achieve the final version of the ALPIDE, such as the pALPIDE family, which was divided into t...
15
tesis de grado
Publicado 2017
Enlace
Enlace
La implementación de un sistema de gestión; que cubra los aspectos de seguridad, salud y medio ambiente ha experimentado creciente interés en stakeholders debido a las ventajas competitivas y productivas que estas implican, razón por la que la exitosa implantación de los criterios, requisitos y componentes resultan no solo en un aspecto indispensable en el crecimiento y continuidad de empresas proveedoras de servicios sino también en una herramienta comercial que impacta en el prestigio de la misma. La empresa arequipeña TRANSPORTES MOGROVEJO, contratista destacada de SOLGAS y líder en el rubro de transporte de hidrocarburos es una organización idónea para la implementación del presente trabajo por ser una empresa en crecimiento, con clientes y actividades fijas identificables y trazables sobre la cual plasmar nuestra propuesta. El presente proyecto tiene la finalidad el diagn...
16
artículo
Publicado 2018
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Decision making in the emergency area, given its implication of caring for patients at risk, is extremely sensitive. An inappropriate decision canmake the difference between life and death. The system must respond quickly, efficiently and effectively, and the medical human factor plays the leading role. It can be concluded then that the adequate distribution of the human potential available at the time of emergency is decisive in providing adequate care to the patient. In this work, a model is presented that estimates the appropriate configurations ofmedical equipment in the emergency area, based on parameters measured quantitatively by simulation, which are used to estimate the quality ofthe attention. These parameters support each of the response requirements. There are parameters based on the control of response time, toensure speed of care according to the patient's urgency. In addit...
