Desenvolvimento De Estágio PFC Utilizando a Associação De Conversores Sepic E Cuk Para Conexão De Fonte Programada De Alimentação Baseada Em Inversor Do Tipo Buck Eie

Dias, Camila de Oliveira; Freitas, Luiz Carlos Gomes de; Lima, George; Freitas, L.C. de; Rodrigues, Danillo Borges

doi:10.14295/2596-2221.xviceel.2018.202

Conferência De Estudos Em Engenharia Elétrica

2018

DOI: 10.14295/2596-2221.xviceel.2018.202

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Desenvolvimento De Estágio PFC Utilizando a Associação De Conversores Sepic E Cuk Para Conexão De Fonte Programada De Alimentação Baseada Em Inversor Do Tipo Buck Eie

Camila de Oliveira Dias¹,

Luiz Carlos Gomes de Freitas²,

George Lima³

et al.

Abstract: Resumo -Este artigo tem o propósito de apresentar um estágio de correção de fator de potência a ser conectado a uma fonte programável baseada na topologia do inversor Buck EIE. A estratégia utilizada para garantir o fator de potência unitário é baseada na utilização dos conversores Cuk e Sepic e também tem o propósito de fornecer tensões controladas na saída para correta alimentação do inversor.

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Cited by 17 publications

References 2 publications

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Design, Strategy, and Collaboration: a System an Alternative for Reusing Waste From the Bespoke Furniture Sector

Nunes

Abrão

2019

IJIED

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This work describes the proposal of a collaborative inter-organizational network involving different actors operating as a group. The aim was to reuse the waste generated by the custom-made furniture sector, which is very relevant in Brazil. The presented scenario is the city of Uberlandia/MG/Brazil, a medium-sized city, which produces about 30.000m3/year of furniture production waste. The proposed collaborative network involves a furniture micro-enterprise, a primary public school, and a federal University, with the coordination of the last one, linked by design concepts. The theoretical references are based on the building of inter-organizational collaborative networks, Strategic Design, and Design for Social Innovation and Sustainability. The research methodology was based on an action-research process, and the methods were divided into a literature review, case studies, data collection and the development of new and small products. The obtained results are related to the value perception of collaboration among actors and the importance of continuous social innovation practices but also of technological ones. This confirms the feasibility of absorption of new practices into the daily operations both in the microenterprise and the public school as well within the university, as a way of increasing the positive impacts coming from these initiatives and a chance of scaling up the project.

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Design, Strategy, and Collaboration: a System an Alternative for Reusing Waste From the Bespoke Furniture Sector

Nunes

Abrão

2019

IJIED

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FATORES QUE INFLUENCIAM NA LONGEVIDADE DE RESINAS COMPOSTAS: revisão narrativa de literatura

Oliveira,

Lopes,

Andrade

2023

SciGen

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Currently, there is an increasing demand for procedures focused on aesthetic rehabilitation and minimally invasive interventions in dental clinical settings. These interventions coexist with restorative procedures, which already hold a notable presence in daily clinical routines. Contrary to the widely held assumption, the success of a restoration is not solely determined by the selection of high-quality resin, but is also contingent upon other criteria of significant relevance. These encompass pre-existing clinical conditions, the operator's skill, the patient's profile, and the materials employed. In this vein, this study aims to present the key factors influencing the longevity of composite resin restorations, as well as to provide guidance to the dentist regarding the importance of correctly adhering to the clinical sequence during the restorative protocol, and ultimately, to elucidate the influence of external factors: the patient's acidic diet, gastric reflux, poor oral hygiene, alcohol consumption, and smoking. To this end, qualitative research was conducted through narrative literature review. Furthermore, regular polishing of the restoration during maintenance visits is essential to preserve its properties and enhance its durability.

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A controladoria como ferramenta organizacional nas micro e pequenas empresas

Brito¹,

Serra²,

Lopes³

et al. 2021

Revista Científica Multidisciplinar Núcleo do Conhecimento

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O presente artigo teve como finalidade a apuração do processo da aplicabilidade da controladoria como opção para as micro e pequenas empresas. Em síntese, pela decorrência do alto índice de fechamento de microempresas, levando em consideração as dificuldades da gestão organizacional, apresenta-se a formação estrutural e organizacional da controladoria como estratégia, afirmando, deste modo, sua importância enquanto objeto que colabora com as organizações empresariais. Nota-se que uma das causas da falência das micro e pequenas empresas é a falta de conhecimento dos gestores acerca da estrutura organizacional, cujos empresários e administradores, geralmente, atuam com o mesmo papel. Destaca-se a seguinte pergunta: Quais as ferramentas que a controladoria pode proporcionar para gestão das micro e pequenas empresas? O objetivo geral do artigo foi mostrar as ferramentas juntamente com aplicabilidade da controladoria nas micro e pequenas empresas, visando a melhoria nos processos para tomada de decisão, tendo como consequência a permanência destes no mercado. Foi desenvolvido a partir de uma pesquisa bibliográfica realizada por meio de artigos, livros e documentos já publicados. A pesquisa parte do método quali-quantitativo, utilizando-se de materiais publicados e estatísticas envolvendo o tema principal, tendo este caráter relevante, cujo intuito é gerar conhecimento para propósito aplicável. Quanto aos meios, o procedimento usado foi a pesquisa bibliográfica, contando-se com documentos publicados. Por fim, ao observar-se, ao longo do estudo, os ambientes interno e externo organizacional pelas lentes da controladoria, conclui-se que ela pode proporcionar ferramentas aplicáveis e adequadas à gestão das microempresas.

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Desenvolvimento De Estágio PFC Utilizando a Associação De Conversores Sepic E Cuk Para Conexão De Fonte Programada De Alimentação Baseada Em Inversor Do Tipo Buck Eie

Cited by 17 publications

References 2 publications

Design, Strategy, and Collaboration: a System an Alternative for Reusing Waste From the Bespoke Furniture Sector

Design, Strategy, and Collaboration: a System an Alternative for Reusing Waste From the Bespoke Furniture Sector

FATORES QUE INFLUENCIAM NA LONGEVIDADE DE RESINAS COMPOSTAS: revisão narrativa de literatura

A controladoria como ferramenta organizacional nas micro e pequenas empresas

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