Mario Henrique Callefi

• Doctor of Engineering
• Associate Researcher at Chemnitz University of Technology

Small and medium-scale biorefineries are processing facilities designed to produce a portfolio of value-added products with applications in different productive sectors. The Territory of the Southern Coast (TSC) of Bahia in Brazil has a high potential to provide agricultural and forest biomass for these bioindustries. This study focuses on quantify...

This research addresses a significant gap in the academi literature: the lack of robust tools for quantifying employee involvement in Lean Manufacturing (LM). This shortfall is critical, as employee involvement is a cornerstone of LM's success. To address this deficiency, our study creates a comprehensive measurement scale designed to assess and en...

The furniture industry generated sales of R$78 million in the year 2021. However, a company in the sector is not always able to deliver on time to fulfill. In this context, this research aimed to identify the main causes for the delay in delivery of orders in the company studied, applying the Methodology of analysis and problem solving (MASP) in or...

This study gives insights into the development of a simulation and machine learning combination concept in the field of additive manufacturing (AM). The method of systems engineering (SE) is used to determine the relationship between different technical goals in the field of semantic modelling of supply chains to validate the results of a matchmaki...

Purpose Road freight transportation companies need to take advantage of information and communication technologies to develop capabilities. This study proposes a framework to guide road freight transportation companies to achieve data visibility in their operations by developing such capabilities. By proposing this framework, this research contribu...

In the context of make-to-order production, the challenge for production control systems (PCS) is to manage order release and capacity flow efficiently. This study proposes the indirect load paired-cell overlapping loops of cards (IL-POLC) method, integrating indirect load and POLC cards. Performance comparisons were conducted through simulation in...

The social impact assessment (SIA) is considered by the literature to be as important as the assessment of economic impacts, as it allows decision-makers to anticipate the possible social consequences of proposed projects. However, to guide the technology selection process in the context of biorefineries, the evaluation models mostly consider techn...

In recent years, lean manufacturing (LM) has been used to improve the operational performance of organisations by improving the productivity, quality and profitability of their operations. However, some authors claim that these organisations are struggling to implement and maintain lean initiatives in a sustainable way over time. This paper propose...

This research aims to identify the primary practices that drive employee involvement efforts in lean manufacturing. We adopted a multi-method study methodology based on two methodological phases. First, we identified a preliminary listing of practices by conducting a systematic literature review (SLR). Second, this list has been validated by seven...

Biomass has been profiled as a potential source of a portfolio of value-added products and energy vectors with applications in different industrial sectors. The Territory of the Southern Coast of Bahia (TSC) in Brazil has a high potential to provide agricultural and forest biomass to small and medium-scale biorefineries. The Territory of the Southe...

Several studies in the literature have already analyzed the role of adopting technologies in road freight transportation, encompassing mainly information and communication technologies (ICTs) and intelligent transportation systems (ITSs). However, to the best of the authors’ knowledge, no studies have sought to identify technology-enabled capabilit...

The blockchain was initially developed for use in the banking sector. However, over time, different areas of knowledge have adopted these technologies, including transportation operations. This use of blockchain in the transport sector is mainly due to the ability of this technology to enable the data generated by these activities to be reliable. I...

Industry 4.0 concept is based on digitalization, networking, and value-creation. The Industry 4.0 efforts comprise sensing, connectiveness, systems integration, advanced automation, manufacturing data-driven, and cyber-physical production system in the manufacturing systems-context. The digital capabilities and resources provided by Industry 4.0 ne...

One of the important technologies in Industry 4.0 is Additive Manufacturing, which makes it possible to manufacture objects layer by layer continuously or incrementally. Circular economy aims to improve resource efficiency, leading to an evolution from the current linear model of extraction, transformation, and elimination to the model where resour...

A geração de resíduos aumenta à medida que a população mundial cresce e se torna mais desenvolvida. Cabe às administrações públicas, juntamente com a iniciativa privada e a comunidade científica, desenvolver e implementar instrumentos para o gerenciamento dos resíduos gerados no contexto urbano. Um dos instrumentos é a coleta seletiva, que pode oco...

Apesar do crescente interesse pelo poder público e privado na adoção de princípios sustentáveis no meio urbano, ainda é reduzido o número de pesquisas relacionadas às características sustentáveis dos lotes destinados a habitações unifamiliares. Nesse contexto, o presente trabalho propõe realizar a avaliação de lotes residenciais da cidade de Maring...

A logística humanitária (LH) é umas das ramificações da logística convencional, que trata dos processos envolvidos com a mobilização de pessoas, recursos e conhecimentos em casos de ocorrência de desastres naturais ou provocados pela ação humana. A utilização de sistemas de informação (SI) na logística humanitária é fundamental para comunicar, gera...

The increased consumption of Electrical and Electronic Equipment (EEE) linked with decreased shelf--life of these products significantly influence to increase the amount of electric and electronic waste generated. In developed countries, there are already several laws prohibiting the use of various toxic substances in EEE and they also have establi...

A elevada competitividade nas organizações faz com que seja necessário um maior controle e acompanhamento dos processos produtivos buscando a melhoria contínua dos seus resultados. A partir disto, este artigo apresenta um estudo que objetivou a implementação do gerenciamento da rotina do trabalho do dia-a-dia, isto é, o acompanhamento e análise dos...

O cenário atual do mercado é de extrema concorrência, então para as empresas sobreviverem e ganharem novos mercados, necessitam não apenas mais fornecer produtos com preços competitivos e com qualidade, mas também adotarem estratégias que sejam fundamentadas na responsabilidade social e ambiental, melhorando assim a imagem da marca. Em relação a is...

Em dias em que a indústria da construção civil é uma das que mais impacta o meio ambiente, o bambu surge como um material alternativo, recurso renovável, versátil e de baixo impacto ambiental. Este trabalho visa estruturar um método artesanal e sustentável para a fabricação de bambu laminado colado. Para isso, foi proposto um método de confecção de...

Conforme a atual situação do mercado de trabalho, a demonstração de interesse por parte das empresas sobre a adaptação de seus processos com fins de reduzir seus custos de produção, atendo-se às exigências e necessidades dos clientes, vem crescendo. As empresas têm buscado informatizar seus processos de forma a possibilitar o aumento da própria cap...

O mercado da comunicação visual está cada mais competitivo, gerando assim a necessidade de apresentar preços mais competitivos e possuir padrões de qualidade que estejam de acordo com os requisitos da qualidade impostos pelo mercado. Dessa maneira para as empresas conseguirem sobreviver no mercado atual é necessário que os custos sejam reduzidos, p...