Pedro Carlos Oprime

Universidade Federal de São Carlos | UFSCar · Department of Production Engineering

Recentemente, o tema proteção de dados está em alta no Brasil devido a entrada em vigor da Lei nº 13.709/2018, denominada Lei Geral de Proteção de Dados Pessoais (LGPD). O objetivo deste artigo, caracterizado quanto ao método de pesquisa como estudo de caso, é apresentar uma proposta de metodologia de adequação à LGPD baseada no método desenvolvido...

The production of ceramic tiles requires specific technical properties to allow a wide application, including covering floors and walls, building furniture, and decorative items. Current methods of measuring the dimensions of large ceramic tiles seem inadequate for products that exhibit elastic deformation due to their weight affecting the accuracy...

This study presents a framework developed by the Digital Government Secretary (SGD) of the Federal Government of Brazil to contribute to Federal Public Administration entities in adapting to the General Data Protection Law (LGPD). The objective of the article is to analyze the adapted adoption of this framework at the Federal University of Mato Gro...

Purpose Competitive pressures force companies to seek solutions to eliminate wastes while improving product quality. Lean Six Sigma (LSS) has been considered one of the most effective approaches for business transformation. This article aims to present an empirical case study where LSS and Define, Measure–Analyze–Improve–Control (DMAIC) methodologi...

Purpose – This paper aims to characterize a sample of Lean Six Sigma (LSS) projects in healthcare settings and discuss some specificities of operational excellence (OPEX) initiatives in hospitals and healthcare organizations in the USA. Design/methodology/approach – A content analysis involving a sample of 23 documents shared by US hospitals was p...

The multiple stream process involves equipment with several modules producing the same items, but with respective random variables’ subpopulations. This particularity demands specific control charts for the statistical processes monitoring. Among the initiatives proposed are the finite mixture control chart and T2-Hotelling control chart, but there...

Para assegurar a qualidade dos produtos e processos nos níveis requeridos pelos clientes, as organizações industriais têm implementado diversas práticas de Análise do Sistema de Medição. Uma visão a respeito do estado da arte sobre esse tópico pode auxiliar futuros estudos envolvendo o controle da qualidade em processos de manufatura. O presente ar...

Purpose-New opportunities for the use of predictive models emerged with Big Data and BDA. The use of these models to support decision-making, at different levels of an organization, increases its life cycle period, and, in this case, the data that will be applied to it, continuously depart from those used in its construction and validation. It is i...

Purpose-The present paper aims to present an Exploratory Spatial Data Analysis (ESDA) of ISO 9001 certification trends and innovation performance in order to identify geographic patterns and spatial autocorrelation between performance innovation and annual growth rate of ISO 9001 certificates in South America. Design/methodology/approach-Using seco...

Purpose-Competitive pressures forces companies to seek solutions to eliminate wastes while improve product quality. Lean Six Sigma has been considered one of the most effective approaches for business transformation. This article aims to present an empirical case study where Lean Six Sigma and DMAIC methodologies are applied to reduce defects in an...

Purpose-Quality 4.0 is an emerging research issue regarding how to adopt quality management in digital era or otherwise, as the application of Industry 4.0 technologies (big data, machine learning, internet of things, among other) into quality field. Technology integration in some areas has been mapped, for example the integration of process mining...

University-industry collaborations result in generation of significant socioeconomic impact. Although these collaborations are recognized as drivers of socioeconomic development, there is a lack of metrics for assessing these impacts. Considering this gap, this study developed a scale to measure the socioeconomic impacts of university-company colla...

Purpose This paper aims to characterize a sample of Lean Six Sigma (LSS) projects in healthcare settings and discuss some specificities of operational excellence (OPEX) initiatives in hospitals and healthcare organizations in the USA. Design/methodology/approach A content analysis involving a sample of 23 documents shared by US hospitals was perfo...

Purpose The aim of this paper is to identify some specificities of production planning and control (PPC) activities in the one-of-a-kind-production (OKP) process through an extensive literature review. Relevant aspects related to systems and PPC activities in the context of OKP environment are discussed, and six opportunities for future research ar...

This study aims to analyse the literature regarding the characteristics of Industry 4.0 in the context of operations management. The analysis covers the evolution of publications over time, the countries involved, the most prolific journals, the most cited authors, and the identification of the most frequent words that can generate insights for the...

Abstract Paper aims This paper studies the influence of process variation on deviation from nominal control chart performance and proposes some adjustments on the control limits to make it enable on small batches. Originality Specific methods were developed to monitor small batches, mainly due to unavailability of data for precise parameters estima...

Purpose This paper aims to thoroughly identify the forms of integration between Lean, Industry 4.0 (I4.0) and environmental sustainability (ES) by examining the relationships between these three constructs, deepening understanding surrounding the theme and evolving the construction of a framework that can aid managing industrial production processe...

Covid-19 has put public health services to the test. Economic systems will soon be put to the test by Covid-19. In order to recover from the effects of the coronavirus, innovation will be essential way (Chesbrough, 2020). Firms must continuously adapt and evolve to thrive in a dynamic, global environment. Despite the continuous change, firms drive...

A CONTINUA EVOLUÇÃO DAS TECNOLOGIAS PERMITIU AS INDÚSTRIAS DE REVESTIMENTOS CERÂMICOS INOVAREM SEUS PRODUTOS, ATRIBUINDO RELEVOS AGRESSIVOS, PLACAS DE BAIXA ESPESSURA, GRANDES FORMATOS ENTRE OUTROS, PORÉM ESTE AVANÇO NÃO SE ESTENDEU AO MÉTODO DE ENSAIO DE DETERMINAÇÃO DAS CARACTERÍSTICAS DIMENSIONAIS DOS REVESTIMENTOS CERÂMICOS, QUE SE TORNOU INADE...

Purpose This paper aims to develop a conceptual framework of the implementation of the contact points (CPs) between Lean Six Sigma practices and Industry 4.0 technologies. Design/methodology/approach A systematic literature review was carried out based on two samples. A first sample containing 78 articles was analyzed through bibliometric indicato...

Purpose The present paper aims to demonstrate the potential of integration between industrial robotics and Lean Manufacturing (LM) approach to increase the efficiency of an assembly line. Design/methodology/approach Based on a case study performed in an Italian company, this paper reports a comparative analysis of the results produced on a line ba...

University–industry collaborations create socioeconomic impacts for the areas where they are undertaken. Although these collaborations have recognized importance and a high potential to generate economic and social benefits, there is no consensus in the literature on a consolidated conceptual model for assessing their socioeconomic impacts. Given t...

Goal: The main objective of this research paper is to propose a chart, named Modified Control Chart, where the process variance () is allowed to be larger than the in-control variance value () until a maximum value (), as long as the process remains capable, in the sense that it produces a specified (tolerated) small fraction of non-conforming item...

Purpose: This paper aims to understand the specificities inherent to collaborative robotics from the perspective of production and operations management, as well as to identify opportunities for future research on the topic. Methodology/Approach: A systematic literature review was carried out through Scopus and Web of Science databases. This proced...

The main goal of this study is to propose an alternative approach to improve manufacturing setup time and the time between failures. This approach focuses on eliminating the outliers concerning manufacturing setup times and time between failures. With this aim, we performed simulations to compare the effect on the lead time of both improvement stra...

Purpose – This paper aims to provide a Systematic Literature Review on process capability indices for profile data. Design/methodology/approach – A Systematic Literature Review (SLR) was carried out, where the Web of Science, ProQuest and Scopus databases were searched, and articles from accessible academic journals, written in English and publishe...

Statistical Quality Control tools require data about the process quality, which is obtained through measurement systems. These measurement systems have error components involved in their measurements, and even when they are studied and corrected, uncertainty remains on the final measurement value, generating doubt on how well this result represents...

Strategic consensus can be defined as agreement on strategy content and process across all levels of an organisation. Although strategic consensus is considered a major factor for the success of any manufacturing strategy, the topic has been widely neglected in the operations management literature. Moreover, the limited existing literature typicall...

The purpose of this paper is to present a case study to describe the contact points between industry 4.0 technologies and lean manufacturing practices, that characterize the concept of digital lean manufacturing. Design/methodology/approach-After building a research framework extracted from the literature review, a single and in-depth case study wa...

This paper aims to demonstrate the empirical study regarding the implementation of a Lean Six Sigma project through the DMAIC method to reduce the percentage of broken drops in the manufacturing process of a food factory. Design/methodology/approach-The research was carried out through a single and longitudinal case study, where the interviews foll...

Resumo O paradigma da Indústria 4.0 tem induzido inúmeras transformações tecnológicas e culturais, tanto na indústria de transformação como no seguimento da saúde. Neste contexto, o healthcare 4.0 pode ser compreendido como um conceito estratégico para as operações em healthcare, decorrente da quarta revolução industrial, englobando as mudanças no...

Resumo A abordagem Lean Seis Sigma (LSS) pode ser compreendida como uma importante estratégia de excelência operacional capaz de melhorar o desempenho de um processo e gerar resultados em termos de qualidade, custo e velocidade. O presente artigo descreve a implementação de um projeto LSS em uma fábrica de biscoitos de médio porte, cujo objetivo é...

The organic photovoltaic cell (OPV) is composed of multiple layers, and some printing and coating techniques are more suitable than others for a certain type of layer. This paper aims to characterize and compare the most relevant coating and printing techniques that can be used in the manufacture of OPVs. Extensive bibliographic research was carrie...

To design the X control chart, the in‐control process mean and standard deviation must be estimated from historical samples, negatively affecting the chart's performance. The grand mean of a sample is the well‐established estimator for the process mean. However, regarding the standard deviation, the chart's user has at least five different estimato...

AS ATIVIDADES REALIZADAS NO CHÃO-DE-FÁBRICA SÃO TRADICIONALMENTE ALINHADAS COM OS PRINCÍPIOS DA MANUFATURA ENXUTA E SE CONCENTRAM NO CONTROLE DIÁRIO DAS OPERAÇÕES REALIZADAS PELOS OPERADORES COM O PROPÓSITO DE OBTER RESULTADOS EM TERMOS DE QUALIDADE, CUSTO E ENTREGA. O PARADIGMA DA INDÚSTRIA 4.0 CRIA NOVAS OPORTUNIDADES PARA A INTERAÇÃO ENTRE TECNO...

O Controle Estatístico de Processo (CEP) corresponde a um conjunto de ferramentas estatísticas que visam à melhoria e estabilidade dos padrões da qualidade e é amplamente utilizado pelas como suporte aos programas de qualidade. Ao longo de mais de 50 anos, diversos autores exploraram o assunto apresentando Fatores Críticos para o Sucesso (FCS) para...

Purpose The purpose of this paper is to develop a bibliometric study about Lean Six Sigma (LSS) in the manufacturing process and to conduct an analysis of sources of publication, authorship, citations and other bibliometric indicators. This paper also identifies the research agenda for future research related to the LSS approach in manufacturing pr...

Purpose The purpose of this paper is to identify the risks to which agrifood supply chains are exposed and to analyze how these risks impact the degree of coordination of the chain. Design/methodology/approach The present investigation was executed in two steps. Initially, a literature review and interviews with slaughterhouse managers were carrie...

Teams take projects to successful completion through crucial cross-functional collaboration and sharing of scarce resources. The attributes of Knowledge, Skill and Ability (KSA) are intrinsic to the competence studies, but there were not foound known studies on competences in the literature regarding the identification of the level of team developm...

University librarians face challenges such as acting with new technologies, social access practices, use of scientific and technological information and the continuous need for professional updating. In this context, teamwork is consolidated as a possible solution to these challenges. The aim of the research was to identify the role, maturity and s...

Purpose The purpose of this paper is to investigate how cross-functional integration supports the execution of the demand-side (DS) processes and its effects on both the demand and supply-side processes. Design/methodology/approach A case study was conducted including a Brazilian multinational manufacturer in the automobile industry and some of it...

Control charts are powerful tools used by many industries to monitor the quality of processes and detect special cause of variations. The Shewhart Xbar chart is one of the most popular control charts to monitor the process mean, i.e., to detect a change from an in-control (IC) to an out-of-control (OOC) situation. In its original formulation, if th...

The aim of the present study is to propose a control chart with asymmetric limits and triple sampling. Two topics have deserved closer attention of researchers in the process control field. The parameter variation is a construction approach for the most economic and robust control chart in the statistical control process. The present study has cont...

DOI:10.12957/cadest.2018.39472 Os processos industriais devem ser controlados e monitorados a partir de técnicas estatísticas, a fim de, por meio de amostragem, conseguir avaliar o seu desempenho. Quando esses processos são altamente capazes, ou seja, cujos índices de capabilidade são altos, o gráfico de controle de aceitação se torna uma das ferr...

The study proposes the development of a framework that can take advantage of the Design and Analysis of Computer Experiments (DACE) more efficiently. The need for rapid product development cycles creates a demand for tools that aid in decision making. One of these tools is Computer Aided Engineering which uses the Finite Element Method that require...

The purpose of this paper is to present empirical evidence about the relationship between the characteristics of Six Sigma projects, as drivers of innovation, and financial performance at organisational and operational levels. The findings were obtained through the analysis of 83 projects of a big automobile corporation, carried out in its industri...

O presente artigo tem como proposta compreender as especificidades inerentes à robótica colaborativa no contexto da Indústria 4.0, assim como identificar oportunidades para pesquisas futuras sobre o tema. Para alcançar os objetivos deste estudo, uma revisão sistemática de literatura foi conduzida abrangendo 84 artigos científicos, publicados no per...

Purpose The traditional Shewhart control chart, the X-bar and R/S chart, cannot give support to decide when it is not economically feasible to stop the process in order to remove special causes. Therefore, the purpose of this paper is to propose a new control chart design – a modified acceptance control chart, which provides a supportive method for...

O uso de sensores, leitores e outras formas de automação industrial que caracterizam a Indústria 4.0 possibilitou obter uma grande volume de informações do processo e, consequentemente, monitorar características de qualidade de controle que são melhor descritas por uma relação funcional ente um conjunto de dados expressos por uma curva ou perfil. E...

O PRESENTE ARTIGO TEM COMO OBJETIVO APRESENTAR UMA APLICAÇÃO DO DELINEAMENTO DE EXPERIMENTOS (DOE) PARA A OBTENÇÃO DE UMA MELHOR DUREZA DO AÇO SAE 4340. PARA A REALIZAÇÃO DESTE EXPERIMENTO FOI UTILIZADA A TÉCNICA DE PLANEJAMENTO FATORIAL COOMPLETO, ONDE OS FATORES: TEMPERATURA DO FORNO, TEMPERATURA DO ÓLEO E TEMPO DE AQUECIMENTO FORAM COMBINAD...

Purpose The main objective of this study is to develop a Monitoring Multiple-Stream Processes control chart with a finite mixture of probability distributions in manufacture industry. Design/methodology/approach Data were collected during production of wheat-based dough in a food industry and the control charts were developed with these steps: i...

The purpose of this paper is to ilustrate the implementation of Daily Routine Work in supply process in a small company of metal mechanical industry by a case study approach. The Daily Routine Work can be faced as a strategy of quality management in small companies. The case study was carried out for three months by interviews with employees and do...

Um dos aportes utilizados para melhoria de processos e produtos é a FMEA uma ferramenta versátil aplicada em diferentes contextos. Diante de sua versatilidade, surge o questionamento de como esta poderia ser aplicada no subprocesso de coletta de documentos de patentes. Para minimizar os desafios apresentados o presente artigo exemplifica a aplicaçã...

Neste artigo encontra-se uma proposta de gráfico de controle modificado com limites assimétricos que utiliza amostragem múltipla para decidir o estado de controle dos processos. Dois temas correlatos estabeleceram as bases teóricas da proposta apresentada: projetos de gráficos de controle com parâmetros variados (pV); e, gráficos de controle com pa...

The current study aims to discuss the use of systematic methods to generate experimental designs with good statistical properties and low costs. The research focuses on the sequence of experiments and on analysis the results of three different approaches used to build (orthogonal and non-orthogonal) two-level factorial designs, wherein sequencing i...

Purpose The purpose of this paper is to find the configuration of the number (m) and size (n) of the sample in Phase I that would make it possible to detect the out-of-control (OOC) state of the process with the smallest number of samples and ensure a capability index (Cpk) that would meet the customer’s requirements. Design/methodology/approach...

Abstract The Statistical Process Control - SPC is a set of statistical techniques focused on process control, monitoring and analyzing variation causes in the quality characteristics and/or in the parameters used to control and process improvements. Implementing SPC in organizations is a complex task. The reasons for its failure are related to orga...

Resumo: A indústria 4.0 oferece suporte à Inteligência Tecnológica (IT) intensificando a oferta de ferramentas e métodos de captura de dados e informações, no entanto, coletores enfrentam desafios para capturar com qualidade. Propõe-se a utilização do delineamento de experimentos e do gráfico de efeito para otimizar a precisão do output da coleta d...

An increasing number of papers on statistical process control (SPC) has emerged in the last fifty years, especially in the last fifteen years. This may be attributed to the increased global competitiveness generated by innovation and the continuous improvement of products and processes. In this sense, SPC has a fundamentally important role in quali...

This paper discusses the statistical control chart with asymmetric limits that use multiple sampling to decide the process of control state. The design of control chart with variable parameters and control chart traditional are the two topics which served as bases for the present study. The use multiple sampling improves the power of detection of s...

This paper proposes useful exact bounds for the parameters of the Double Sampling S2 chart with known process variance and it also investigates the properties of the Double Sampling S2 chart with estimated process variance, in terms of the average run length, the standard-deviation of the run length and the average sample size, providing a numerica...

Purpose – The purpose of this paper is to contribute to the theoretical development of the theme by the proposition of an industrial cluster typology method considering that the set of local variables related to the firms characteristics are essential for the strengthening of the interfirms’ relationship and consequently their performance. Design/...

DOI: 10.12957/cadest.2015.20255O objetivo deste artigo foi analisar os efeitos da significância prática e da estimativa dos parâmetros em gráficos de controle que monitorem a variância dos processos. Os métodos utilizados foram a modelagem e simulação, visando encontrar soluções numéricas de tal problemática. A modelagem e a simulação foram realiza...

Transference of new technological solutions requires integration between different functions and specialists involved in new product development (NPD). This paper examines management practices for integration between research and development (R&D) with others involved in NPD and proposes a framework based on organizational variables. An organizatio...

The organizations face problematic situations that involve the analysis of a significant number of correlated variables to reduce the variability of production processes. There are many approaches, methods and techniques to support multivariate problem solving, however has achieved distinction in literature and adopted by Six Sigma companies, one o...

ResumoOs gráficos de controle clássicos para variáveis contínuas monitoram, separadamente, as medidas de posição central e de dispersão, conhecidas também como medidas de locação e escala. O monitoramento desses parâmetros tem como pressuposto que a distribuição de probabilidade dos dados seja conhecida e siga o padrão normal, o que, em situações p...

The importance and necessity of continuously improve the Product Development Process (PDP) are growing in organizations. The aim is to increase the efficiency and quality of the process and avoid waste and rework, thought widespread to manufacturing processes, now also applied to the PDP. Several approaches have been used in order to improve proces...

The Performance Measurement System (PMS) are one of the essential tools to withstand the demands of information at all levels within an organization, and also is an important means of measuring the effectiveness of their business strategy. However, due to several peculiarities present in Small and Medium Enterprises (SME), this tool is not always i...

The aim of this study is to characterize the relationships in innovation and business clustering processes in the productive chain of small and medium enterprises (SME) of Brazil. The object of study are SMEs the local procuctive cluster of the shoes in Franca, State of São Paulo. The conceptual model developed is based on the following constructs:...

The aim of this study was to propose and apply a sampling procedure using mathematical models and multivariate statistics for continuous processes in manufacturing companies. The research presented in this paper can be classified as a descriptive and empirical quantitative study in which the basic interest was in creating a model that describes and...

It is notorious that the cluster formation is a possibility for micro, small and medium companies to become more competitive. This research therefore aims to analyze leading practices for product innovation in companies belonging to the cluster of Votuporanga, which is the largest furniture industry in production and exporting of São Paulo state. T...

The main goal of this paper is to study the effect of six shop-floor improvement programs on lead time for several production system characteristics. The improvement programs studied were: improvement in setup time, defect rate, repair time, time between failures, processing time variability, and arrival variability. The research tools used were a...

Monitoring the technological environment is especially important for companies, academic groups, and government agencies dealing with science-intensive technologies, such as pharmaceutical, chemical, biotechnology, nanotechnology, materials, electronics and others. The combination of access to vast information collections and strategic interests di...

Purpose – The objective of this article is to identify and analyze critical factors in the development of continuous improvement (CI) activities in Brazilian companies. Design/methodology/approach – A conceptual model of the relationship between practices and results was tested to identify the critical factors using a survey conducted in 46 industr...

Understanding current and future customer needs, translating them into product requirements, and incorporating them into new product design are activities considered critical to the success of product development processes. Several strategies are adopted by companies in order to achieve greater efficiency and effectiveness in the development of new...

The aim of this paper is to identify and analyze critical factors in the development of continuous improvement (CI) activities in Brazilian manufacturing companies. A conceptual model of relationship between practices and results was tested through a survey conducted in 46 manufacturing companies. Factors such as: problems solving tools training, s...