PPG.EGPSA/ITEGAM

URI permanente desta comunidadehttps://rigalileo.itegam.org.br/handle/123456789/1

A comunidade dispõe da produção técnica e científica do Programa de Pós-graduação em Engenharia, Gestão de Processos, Sistema e Ambiental (PPG.EGPSA) do Instituto de Tecnologia e Educação Galileo da Amazônia (ITEGAM), fruto da atividade de pesquisa e desenvolvimento (P&D). É possível acessar os trabalhos de conclusão do programa de pós-graduação, artigos e livros vinculados a pesquisa, desenvolvimento, inovação e extensão.

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A Implantação do 5S em uma Confeitaria da Cidade de Manaus-AM, Utilizando Ferramentas da Qualidade
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2021) COELHO, Sarah Marjurye da Silva; ALENCAR, David Barbosa de
This chapter presents the implementation of the 5S program in a confectionery located in Manaus-AM, aiming to improve the organization, cleanliness, and efficiency of the work environment. Using quality tools such as the PDCA cycle and the 5W2H action plan, the study proposes a management model that seeks to reduce costs and increase productivity. The application of 5S proved to be effective in optimizing space and improving employee performance, resulting in a more organized and productive work environment.
A Importância da gestão do processo de compras e a comunicação com as demais áreas empresariais integradas
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2022-08-24) CHAVES, Jesus de Alencar; ALENCAR, David Barbosa de; http://lattes.cnpq.br/4890967546423188
In the current context of extreme competitiveness, companies should redirect their efforts to a good service capacity, with a high level of service and the lowest possible total cost. The entire logistics process represents a decisive factor in the company's activity, and the management of purchases in the acquisition of materials and services should be aligned with the strategic objectives of the company as a whole, acting in an integrated manner with the other sectors, in addition to exposing actions guarded by the compliance area to avoid ethical and moral deviations, protecting Corporate Governance. The adequacy of integrity models that meet the rules that comply with current laws has become fundamental in the management of organizations as a strategic way. Therefore, the objective of this study is the implementation of a process model of application of the compliance program and the security of information and data of the company, for this purpose one must identify the main tools necessary for the compliance program and show the application of the compliance mechanism in the organizational scope, that is of fundamental importance for the acceptance of products or services in the market where they operate, as well as business continuity. The study began with the problem that the failure of communication in the company during internal and external changes can negatively affect the company's results and the conduct of employees. For this, the Inductive Method was elected and thus used a strategic tool such as SWOT analysis, a 5W2H activity mapping tool and PDCA action plan. Thus, the present study can be considered exploratory, of an applied and qualitative nature, in two aspects, bibliographic research and case study. The Research will be by observation and comparison with bibliographic research through a sample of facts identified in the company and reports of employees from various departments, of facts already occurred. Data collection was through meeting and interviewing with the professionals of the companies, reporting on the importance of the theme. We sought to know how to improve communication between the purchasing department with the other departments of the company and with the companies that maintain relationships. The results showed the main tools and compliance mechanism, proposing actions that can be used in practice with the purpose of providing a broad view of the operation of the proposed model, with transparency and ethics, thus increasing the competitiveness of the business.
Algoritmo de Previsão de Velocidade do Vento - HW+NARX
(Instituto Nacional da Propriedade Industrial (INPI), 2021-06-27) PARENTE, Ricardo Silva; ALENCAR, David Barbosa de; http://lattes.cnpq.br/4890967546423188
This document describes a computer program registered under number BR512023001329-3, which presents an algorithm for forecasting wind speed using a combination of exponential smoothing methods (Holt-Winters, HW) and autoregressive neural networks with exogenous inputs (NARX) . The goal of the program is to improve the accuracy of wind speed predictions, which is crucial for diverse applications such as wind energy and climate monitoring. The combination of HW+NARX methods provides a robust approach, capable of dealing with the variability and complexity of meteorological data. Program registration is valid for 50 years from January 1, 2022.
Algoritmo para otimizar o processo de inspeção de qualidade
(Instituto Nacional da Propriedade Industrial (INPI), 2024-07-22) SOUSA, Marcio Rizonildo Aquino de; SANTOS, Eliton Smith dos; CAMPOS, Paola Souto; NASCIMENTO, Manoel Henrique Reis; ALENCAR, David Barbosa de
Document for the registration of computer software by the National Institute of Industrial Property (INPI), validating the software "Algorithm to optimize the quality inspection process", developed in Python, valid for 50 years.
Análise das propriedades mecânicas do concreto com adição de seixo e polietileno tereftalato (PET)
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2024) BEZERRA, Antonio Carlos Lapa; ALENCAR, David Barbosa de
The increasing production of plastic waste, particularly Polyethylene Terephthalate (PET), poses a significant environmental challenge due to its long degradation time and negative environmental impact. This study investigates the feasibility of using ground PET as a partial replacement for fine aggregate (sand) in concrete production. Mixtures with 0%, 10%, 30%, and 50% sand replacement by PET were prepared. Tests at 28 days of curing showed that PET addition in certain proportions maintained the required strength and provided environmental benefits, such as reducing natural sand extraction and reusing plastic waste, reinforcing the technical and environmental viability of using recycled PET in concretes.
Análise decisória para implementação de estratégias integradas para a redução de setup em processos industriais utilizando lógica fuzzy
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2024-06-09) SOUZA, Vanessa Silva; ALENCAR, David Barbosa de; SILVA, Ítalo Rodrigo Soares
This article explores the application of Fuzzy Logic as a decision support tool for implementing integrated strategies aimed at reducing setup times in industrial processes. The study seeks to optimize operational efficiency and reduce variability in production processes, ultimately enhancing productivity. A computational model based on Fuzzy Logic was developed to analyze key variables impacting setup times and associated waste. The research was conducted in a company in the Manaus Industrial Park, specializing in electronics. The results showed that the combination of Tools and Equipment with Advanced Planning variables significantly impacts setup time by 86%, highlighting the importance of managing these variables to improve productivity.
Composting model with the reuse of organic waste in rural schools
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2021-11-01) SIMÕES, Natália Cristina Bezerra de Alencar; ALENCAR, David Barbosa de
School institutions become producers of organic waste as a result of the daily consumption of school meals offered to students during the school year. An alternative, so that this material is not incorrectly released into the environment, is the implementation of a composting model that will reuse organic waste, generating humus, which will serve as fertilizer for the implementation of a vegetable garden in the school in the rural area. This work aims to propose a composter model in a School in the Rural Area of Manaus for the reuse of organic waste, to develop a prototype of composter for the production of humic substances and mineral nutrients for the creation of gardens, to prepare the manual with guidelines for the correct and sustainable management of the composting plant and the school garden and implementing the garden system through the composting process using school organic waste. The work is a case study that proposes to implement a prototype of compost for the production of humic substances and mineral nutrients for the construction of a school garden. It is intended that the proposal raises the awareness of the school community for the correct management and reuse of solid waste generated by the school and arouse in students and teachers the interest in environmental education and behavior change for the preservation of the environment in which they live.
Different Deterministic Optimization Methods for Economic Load Dispatch, Switching Off Less Efficient Generators
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2023) NASCIMENTO, Manoel Henrique Reis; ALENCAR, David Barbosa de
This chapter discusses different deterministic optimization methods applied to economic load dispatch, focusing on switching off less efficient generators. The study investigates the efficiency of methods such as linear programming, quadratic programming, and other mathematical approaches to reduce operational costs and improve energy efficiency in power generation systems. The research highlights how optimization can contribute to more cost-effective and environmentally friendly decision-making, proposing strategies to integrate these methodologies into power generation systems.
Estimativa da incerteza de medição nos ensaios de resistência elétrica de fios e cabos elétricos para tensões nominais de até 450/750V
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2024) CAVALCANTE, Henrique Augusto Mota; ALENCAR, David Barbosa de
The national market for electrical wires and cables faces products of dubious quality, with electrical resistance exceeding normative limits, which may cause fires. This dissertation addresses the importance of ensuring the compliance of these products, focusing on the estimation of measurement uncertainty in electrical resistance tests for wires and cables with nominal voltages up to 450/750V. The "top-down" methodology was applied, using the Ishikawa Diagram, enabling the creation of a mathematical model to calculate combined standard uncertainty. Tests conducted on samples from factories and the market revealed non-conformities, emphasizing the need for improved inspection and measurement processes.
Estimativa da Incerteza de Medição nos Ensaios de Resistência Elétrica de Fios e Cabos Elétricos para Tensões Nominais de até 450/750V
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2024-10-22) CAVALCANTE, Henrique Augusto Mota; ALENCAR, David Barbosa de; BRITO JUNIOR, Jorge de Almeida
The electrical wire and cable market faces challenges with low-quality products, including electrical resistances above normative limits, which can lead to risks such as fires. This study addresses the estimation of measurement uncertainty in electrical resistance tests for wires and cables with nominal voltages up to 450/750V, applying the "top-down" methodology and using the Ishikawa Diagram to identify uncertainty sources. Measurements were conducted on collected samples using calibrated equipment. The developed mathematical model proved effective in ensuring compliance and enhancing safety.
Estratégias e técnicas computacionais integradas para a redução do tempo de setup em processos industriais
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2024-09-28) SOUZA, Vanessa Silva; ALENCAR, David Barbosa de
This dissertation presents an integrated approach to reducing setup time in industrial processes, combining fuzzy logic, quality tools, SMED (Single-Minute Exchange of Die) technique, and computer simulation. The study followed a five-step methodology, from analyzing the current process to validating proposed strategies, emphasizing that tools and equipment account for 86% of the setup time influence. The SMED application was crucial to eliminating waste and optimizing the process by converting internal activities into external ones.
Gestão de estoque como vantagem competitiva em uma confeitaria na cidade de Manaus-AM
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2021) BAIA, Karla Josiane de Lima; ALENCAR, David Barbosa de
This chapter addresses inventory management in a confectionery located in Manaus-AM, highlighting the importance of proper planning to minimize costs and maximize profits. The research used the BCG Matrix and Production Planning and Control (PPC) to evaluate the confectionery's product portfolio and implement management techniques that ensure efficiency in inventory management, avoiding waste and material shortages. As a result, the confectionery is expected to gain a competitive advantage, staying ahead of competitors and ensuring final customer satisfaction.
Implantação do programa zero aterro em uma indústria de transformação do PIM – Polo Industrial de Manaus estudo de caso
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2023-06-20) LOPES, Antonio Verissimo Noronha; ALENCAR, David Barbosa de; http://lattes.cnpq.br/4890967546423188
This study was carried out in order to seek sustainable alternatives to reduce the disposal of industrial waste to landfills, curbing the disorderly growth of dumps and landfills in large urban centers. Developing, testing and implementing a systematic with a sustainable approach that seeks to reduce the sending of waste to landfills, encourage the reuse of materials and promote recycling, creating an economic cycle and inspiring other companies to adopt similar practices are the main objectives of the case study carried out in a manufacturing industry in Manaus. Based on the principles of the 3Rs (reduce, reuse and recycle), sustainable industrial waste management practices were developed, actions were implemented to reduce the amount of waste generated in the production process, promoting awareness about the importance of reduction at source, established procedures for the reuse of materials, seeking to extend their useful life and minimize disposal and also, recycling programs were implemented, encouraging the transformation of waste into new products or raw materials. The results obtained were promising. The Manaus plant was able to meet the necessary criteria to obtain certification in the Zero Landfill Program. The Manaus plant served as an example of good practices, encouraging other companies to adopt similar measures to reduce their environmental impact.
Implementação de metodologias na inserção automática de componentes para otimização no processo de SMT: aplicando o método DMAIC
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2023-06-20) SANTOS, Ivo Amancio; ALENCAR, David Barbosa de; http://lattes.cnpq.br/4890967546423188
This dissertation presents a project developed within a master's thesis in Engineering that was developed in the company AUTOS S/A automotive. Its main objective is to implement the principles that govern lean production, applying improvements using tools and applying methodology that collaborates in studies to identify the root cause of the problem. It was possible with this analysis to define a series of actions analyzing the production processes of the automatic insertion of SMT components (Surface Mount Technology), the need arose to improve the processes in the assembly machines, which resulted in low production, disorganization in the feeders and delay in preparing for changing models. In general, the implemented measures yielded favorable outcomes, resulting in an enhancement of the machines' efficiency for all products. Additionally, there were reductions in Cycle Time, ranging from 7% to 8%, ranging from 32% to 50% in the initial line.
Logística Lean aplicado a centros de distribuições: um estudo de caso em um operador logístico nacional
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2024-02-26) MARIALVES, Luiz Carlos Carmo; ALENCAR, David Barbosa de; http://lattes.cnpq.br/4890967546423188
This dissertation aims to address the application of Lean logistics in the Distribution Center of a Logistics Operator, describing the most appropriate logistical methods, reporting the challenges in the Distribution Center, and analyzing the Lean methodology used by the Logistics Operator. The study has a qualitative scientific basis using books and articles for its preparation and is quantitative by employing a case study. The Lean term was applied to services as a domain rich in logistical concepts, approaches, and techniques, part of the Toyota Production System or adapted from it for different contexts. One of the main objectives of Lean is to eliminate waste from the production process, and the company must seek to develop teams capable of solving exceptional problems. The study showed that Lean processes and control tools improved lead time by 63%, promoting significant gains for the organization. It is concluded that Lean helps organizations maintain their gains, promote improvements, and reduce costs.
Metodologia para avaliação dos riscos ambientais em processos de trabalho no Brasil
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2023-11-14) BRITO, Rute Franco Frazão; ALENCAR, David Barbosa de; http://lattes.cnpq.br/4890967546423188
The assessment of environmental risks in labor processes plays a crucial role in protecting workers and the environment in Brazil. In order to identify the risks associated with work activities and promote preventive measures, the methodology for assessing environmental risks in work processes becomes essential. The methodology for assessing environmental risks in labor processes in Brazil is based on a multidisciplinary approach that involves professionals from different areas, such as occupational safety engineering, occupational health, environment, and law. Initially, a detailed analysis of the processes and activities carried out in the work environment is carried out, identifying possible environmental risks present. From the application of the methodology, results are obtained that provide a comprehensive view of the environmental risks present in labor processes. The results include the identification and quantification of risks, the analysis of possible effects on workers' health and the environment, as well as the assessment of compliance with relevant regulatory standards. The methodology for assessing environmental risks in labor processes in Brazil plays a fundamental role in promoting occupational health and safety, as well as preserving the environment. Through the careful identification and analysis of risks, it is possible to implement appropriate prevention and control measures, aiming to protect workers and minimize negative environmental impacts.
Modelo autoregressivo não linear com entradas exógenas para previsão do nível do rio no Amazonas
(Instituto Nacional da Propriedade Industrial (INPI), 2024-07-05) LOPES, Gisele de Freitas; NASCIMENTO, Manoel Henrique Reis; ALENCAR, David Barbosa de
Document for the registration of computer software by the National Institute of Industrial Property (INPI), validating the software "Nonlinear autoregressive model with exogenous inputs for predicting river level in the Amazon", developed in MATLAB, valid for 50 years.
Modelo de compostagem com a reutilização de resíduos orgânicos em escola rural
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2021-11-10) SIMÕES, Natália Cristina Bezerra de Alencar; ALENCAR, David Barbosa de
The booklet "Composting model with the reuse of organic waste in rural schools" is an educational guide on composting and the implementation of school gardens, aiming at the sustainable reuse of organic waste. The introduction addresses the increase in the production of organic waste and the importance of its correct management to avoid sanitary problems. He explains that half of the daily waste produced by Brazilians is of organic origin, which can be transformed into fertilizer. The booklet describes three types of composters: natural aeration (waste arranged in windrows), forced aeration (use of perforated tubes and mechanical pumping) and biological reactors (closed systems). It also highlights the importance of school gardens to improve student nutrition and generate resources for schools. Types of vegetable gardens include traditional, domestic, mini garden, organic and hanging. Humus, resulting from the decomposition of organic matter, is presented as an excellent fertilizer. The booklet details the composting process in three phases: mesophilic (rapid initial phase), thermophilic (temperature reduction and elimination of pathogens) and maturation (humification and mineralization). Includes a word search activity to reinforce learning of terms related to composting. In short, the booklet promotes sustainability and environmental education through composting and school gardens.
Modelo de compostagem com a reutilização de resíduos orgânicos em escola rural
(Instituto de Tecnologia e Educação Galileo da Amazônia, 2021-11-10) SIMÕES, Natália Cristina Bezerra de Alencar; ALENCAR, David Barbosa de
School institutions are producers of organic waste as a result of the daily consumption of school meals and inadequate disposal has become a problem for the Environment. Given this scenario, the project proposed the reuse of organic substances, avoiding their incorrect disposal. Therefore, the feasibility of the low-cost composting model, reusing material from school meals, generating humus, became viable for the production of fertilizer, enabling the implementation of vegetable gardens in rural schools. The research aimed to develop a composting model for schools through the reuse of organic waste, contributing to the correct disposal of waste from schools and fulfilled the other objectives by conducting a low-cost production of substances humic and mineral nutrients in the creation of gardens; prepare a Manual with guidelines for the correct and sustainable management of composting and the school garden and implement the garden system through the composting process using organic waste from the school. The work was a case study with on-site visits, having as a method the manufacture of composters, the preparation of the school garden, socioeducational lectures and the creation of a manual with instructions for the correct handling of food leftovers. The research results demonstrated the effectiveness and importance of composting for the reuse of organic food and fertilizer in school gardens. The proposed project raised the interest of students and teachers in environmental education at school and in changing their behavior in view of the need to preserve the environment.
Modelo de Previsão de Chuva Usando Redes Neurais Artificiais
(Instituto Nacional da Propriedade Industrial (INPI), 2022-09-20) BERNHARD, Gustavo Galdino Rodrigues; LIMA, Alexandra Amaro de; NASCIMENTO, Manoel Henrique Reis; ALENCAR, David Barbosa de; http://lattes.cnpq.br/4890967546423188; http://lattes.cnpq.br/6915958689972413
This document describes a computer program registered under number BR512023002419-8, whose objective is to predict the occurrence of rain using artificial neural networks. The model developed applies artificial intelligence techniques to analyze meteorological data, allowing for more accurate and efficient forecasts. The tool is useful for meteorologists, researchers and institutions that need reliable climate forecasts for planning and decision making. The program was created to improve the accuracy of rain forecasts, contributing to the mitigation of risks associated with extreme weather events. Program registration is valid for 50 years from January 1, 2023.