Artigos
URI permanente para esta coleçãohttps://rigalileo.itegam.org.br/handle/123456789/219
Artigos produzidos de convênios e parcerias com IES
Navegar
12 resultados
Resultados da Pesquisa
Item Identificação das Componentes Harmônicas em uma Instalação Elétrica através do Fator de Potência Utilizando Inferência Fuzzy(INSTITUTO DE TECNOLOGIA, 2010) NEVES, Cleonor C. das; COSTA JUNIOR, Carlos Tavares da; Profa. Dra. Maria Adrina Paixão de Souza da Silva.This paper proposes a method to identify harmonic components in industrial electrical installations using fuzzy inference and power factor as the main parameter. The linguistic fuzzy logic model was applied to analyze disturbances in the electrical system, based on data collected from a factory in the Manaus Industrial Hub. The study presents an alternative for detecting noise (harmonics) and contributes to improving power quality in electrical systems, using international standards as a reference.Item Implantação do Sistema de Monitoração de Vibração em Máquinas Elétricas em Alta Tensão(INSTITUTO DE TECNOLOGIA, 2013) SILVA NETO, Vilmar Domingos da; VIEIRA, João Paulo Abreu; LEITE, Jandecy Cabral; AZEVEDO, Raimundo Edney dos Santos; Prof. Dr. Carlos Tavares da Costa JúniorThis paper presents the development and implementation of an online monitoring system for hydraulic generators operated by Eletrobrás-Amazonas Energia S/A. The system, called SIMME, was designed to evaluate critical physical parameters in 250 MVA rotating machines, using sensors, signal conditioners, and fuzzy logic-based software. The client/server architecture enables data transmission via intranet, providing continuous information to operation and maintenance teams. The system proved to be reliable, low-cost, and effective in fault detection, contributing to predictive maintenance and reducing unplanned downtime.Item Lógica fuzzy aplicada ao estudo da qualidade de energia elétrica em um sistema com distorções harmônicas através do fator de potência(INSTITUTO DE TECNOLOGIA, 2010) BRITO JÚNIOR, Jorge de Almeida; LEITE, Jandercy Cabral; COSTA JÚNIOR, Carlos Tavares da; TORRES, Maria Emília de Lima; MAGALHÃES, Edilson MarquesThis paper presents the study of a low-voltage three-phase system with harmonic distortion using fuzzy logic applied to the power factor. The objective is to reduce losses in the installation, voltage drops, and underutilized capacity, optimizing electricity usage and providing benefits to both the company and the utility.Item Monitoramento da Produtividade(INSTITUTO DE TECNOLOGIA, 2010) FERREIRA, M. S.; LEITE, J. C; LAGO NETO, J. C; JÚNIOR, C. T. C.; Profª. Drª Aline Maria Meiguins de LimaThe article proposes a productivity monitoring model for an LCD production line, combining the Six Sigma methodology and fuzzy logic. The study was conducted in a company from the Manaus Industrial Hub, showing that the model is effective for measuring and increasing productivity, achieving the company's target of 120%. The integrated approach enabled data-driven decision-making based on quantitative and qualitative inputs, with results validated through computational simulation.Item Nova Proposta para Sequenciamento de Produção com Lógica Fuzzy(INSTITUTO DE TECNOLOGIA, 2011) SILVA, Carlos Américo de Souza; Prof Dr. Walter Barra JuniorThe article proposes a new production sequencing method using fuzzy logic, focusing on product contribution margin as the primary criterion. The model aims to assist managers in decision-making by prioritizing more profitable products when delivery deadlines allow. The methodology combines variables such as delivery time, cycle time, production process, and contribution margin, generating fuzzy rules to optimize production scheduling. The results demonstrated effectiveness in prioritizing high-value products, providing strategic support for manufacturing.Item Redução do consumo de energia elétrica em Manaus através de medidas de eficiência energética em climatização industrial(INSTITUTO DE TECNOLOGIA, 2010) SILVA, Jorge Lúcio da; LEITE, Jandecy Cabral; COSTA JUNIOR, Carlos Tavares da; Jandecy Cabral LeiteThe article evaluates the impacts of reducing electricity consumption in a company at the Manaus Industrial Hub (PIM) through the optimization of energy efficiency (EE) in industrial air conditioning systems, using Fuzzy Logic as a basis. Measures such as replacing low-efficiency air conditioners with high-efficiency equipment, controlling external heat sources, checking pipeline losses, and adjusting thermal comfort temperature were implemented. The results showed significant reductions in energy consumption and contracted demand, demonstrating the economic and technical feasibility of the adopted measures.Item Sistema para tomada de decisão na mensuração do nível de Produtividade Industrial: estudo desenvolvido com lógica fuzzy(INSTITUTO DE TECNOLOGIA, 2010) SANTOS, E. S.; NOGUEIRA, R. A.; LEITE, J. C.; JÚNIOR, C. T. C.; Eduardo de Magalhães BragaThe study employs a computational tool to model human reasoning in measuring productivity levels in an electro-electronic industrial line at the Manaus Industrial Pole (PIM). Parameters such as balancing, cycle time, reliability, failure rate, and productive capacity were identified and analyzed. The proposed system is significant for production management professionals, aiming to reduce costs and maximize profits.Item Sistema para tomada de decisão na programação de produção de Modem e Celular, utilizando lógica fuzzy(INSTITUTO DE TECNOLOGIA, 2010) SILVA, Carlos Américo de Souza; LEITE, Jandecy Cabral; JÚNIOR, Carlos Tavares da Costa; MAGALHÃES, Edilson MarquesThe paper presents a model based on fuzzy logic to assist in decision-making regarding the prioritization of products (3G Modem and Mobile Phone) in industrial production scheduling. The system considers parameters such as delivery time, cycle time, production process, and contribution margin, aiming to optimize sequencing and meet market demands. The goal is to reduce costs and increase organizational profitability.Item Analysis of lubricating oil in internal combustion engines of electrical power generation plant. Subtítulo: Análisis de aceite en motores de combustión interna estacionarios de planta de generación de energía eléctrica.(Instituto de Tecnologia, 2010) SANTOS, Gilbert Queiroz dos; LEITE, Jandecy Cabral; BRASIL, Davi do Socorro BarrosThe article presents the application of Fuzzy Logic in the inventory management of a public organization, aiming to reduce material shortages caused by lead time. The study proposes a system based on linguistic variables such as stock level and demand, using membership functions and fuzzy rules to assist in decision-making regarding supply, replenishment, and bidding. The results demonstrate the method's feasibility for optimizing inventory control and minimizing costs.Item Aplicação de Filtro Harmônico em Sistemas Elétricos de Baixa Tensão utilizando Lógica Fuzzy(Instituto de Tecnologia, 2010) CIRINO, Weverson dos Santos; LEITE, Jandecy Cabral; COSTA JUNIOR, Carlos Tavares da; TOSTES, Maria Emilia de Lima; QUARESMA, João Nazareno NonatoThe article discusses the application of passive harmonic filters in low-voltage electrical systems to mitigate distortions caused by harmonics, using Fuzzy Logic. The proposed algorithm analyzes and detects harmonic components exceeding 5% of the fundamental coefficient, designing customized filters. The methodology includes computational simulations and validation according to IEC standards, demonstrating effectiveness in reducing distortions and improving power quality.