Antonio Augusto Paula Xavier

Antonio Augusto Paula Xavier
Federal University of Technology - Paraná/Brazil (UTFPR) | UTFPR · Programa de Pós-Graduação em Engenharia de Produçao (PPGEP)

About

43
Publications
11,176
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333
Citations
Citations since 2016
20 Research Items
245 Citations
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060

Publications

Publications (43)
Article
Full-text available
Research into thermal comfort in vehicle environments has been gaining prominence among researchers due to the impacts generated, which range from maintaining the thermal sensation of the occupants, to ensuring the satisfactory performance of drivers in terms of safety in traffic and in energy sustainability. With this background, this study aimed...
Article
Full-text available
The thermal environment is one of the main factors that influence thermal comfort and, consequently, the productivity of occupants inside buildings. Throughout the years, research has described the connection between thermal comfort and productivity. Mathematical models have been established in the attempt to predict changes in productivity accordi...
Chapter
The civil construction sector has difficulties in applying effective risk assessment methods for studying the biomechanical overhead, due to the complex work organization of tasks in situ and lack of ergonomics professionals. The biggest challenge in this sector is the fact that workers perform variable tasks, not just on a daily basis, but during...
Article
Full-text available
As of 2020, it has been 50 years since the publication of Fanger’s predictive model of thermal comfort that was designed for indoor environments and attention worldwide is directed at the COVID-19 pandemic and discussions around recommendations for these indoor environments. In this context, many environments and their occupants will suffer consequ...
Article
Full-text available
The predicted mean vote (PMV) is the most widely used model around the world to assess thermal comfort in indoor environments. The year 2020 marks the 50th anniversary of the PMV model and also the year in which the World Health Organization (WHO) declared the COVID-19 outbreak a pandemic. In this context, hospital environments and health professio...
Article
This paper aims to understand and characterize occupant behaviour from a perspective of air conditioner (AC) usage. Therefore, it analyses data collected via a questionnaire applied throughout the Brazilian territory, which resulted in 3,259 valid answers explored by non-parametric statistical methods. The main results obtained were: (i) 89% of int...
Article
Background: Over the last few decades, there has been a concern to improve the quality of indoor work environments and increase energy efficiency as people spend much of their time in such settings. Objective: This study analyzed a group of women developing sedentary activities to determine the Actual Percentage of Dissatisfied (APD) in the envi...
Article
Full-text available
Risk analysis is one of the main tools for preventing the occurrence of Work-Related Musculoskeletal Disorders. New methods of risk analysis should seek to be more agile and simplified, encouraging them to be widely applied in work environments. This paper aimed to develop a rapid tool for assessing the risk of developing Work-Related Musculoskelet...
Chapter
The environment in which people live has a major influence on their activities. An environment that offers comfort is essential for better results. The feeling of comfort for each individual is a complicated arrangement of numerous factors, of which we can highlight thermal comfort. Based on this, the present study aimed to analyze the effects that...
Chapter
Full-text available
Review studies regarding the thermal comfort of bus cabins haven’t been found in the literature. Thus, this investigation’s objective is to analyze the parameters of thermal comfort that could be subject to modeling in bus cabins. The proposed analysis comprises a brief review of the parameters considered relevant in the standardized thermal comfor...
Article
Full-text available
A sustentabilidade tornou-se um assunto de considerável importância devido aos diversos problemas ambientais e as mudanças climáticas que está sofrendo nosso planeta. Na necessidade de procurar soluções para essa problemática, da ergonomia nasce um termo chamado Ergonomia Verde para auxiliar a um adequado desenvolvimento sustentável. O objetivo des...
Chapter
The PMV (Predicted Mean Vote) is an index that intends to predict the thermal sensation of people exposed to the same environment. However, there are discrepancies between the PMV model and the thermal sensation responses collected in field studies. In order to verify this question, this study had as purpose to present an alternative method to pred...
Article
Full-text available
Ergonomics and safety is an area of great importance for industrial activities, because they seek to offer the worker ergonomic, physical and psychological comfort. This study seeks to analyze quantitatively the tendency of how the scientific production in the area is developing, noting the differences within the sub-areas that compose the field of...
Article
Full-text available
This study aims to evaluate the postures of workers during the activities of milking and handling dairy cattle in the Community of Campo Mourão Municipalities, in Brazil. To identify the presence of musculoskeletal symptoms, the study was divided into two stages: first, we identified the demographic profile of the sample through a questionnaire and...
Article
The PMV (Predicted Mean Vote) is an index which shows the thermal sensation of a large group of people exposed to the same environment. However, discrepancies are found between the PMV model and thermal sensation responses obtained in field studies. One of the components for the calculation of PMV is clothing surface temperature (tcl), which can be...
Article
The aim of this study is to propose a low-cost tool for monitoring energy consumption in household equipment in a home or small business, based on the Arduino platform for data acquisition, the Open Source Software ScadaBR for the supervision of data in computer and communication of data over the mains with the PLC (Powerline Communication) technol...
Article
Full-text available
There are two groups sharing research on thermal comfort. The first is devoted to research in environmental chambers held within an environment controlled by the investigator. The second group is dedicated to the research field in which the researcher does not interfere with environmental variables, personal and subjective, does not determine the a...
Article
Full-text available
Purpose: The aim of this study is to discuss the motivations which lead to justify an apparent dichotomy between the open and closed systems in regarding to productivity, by questioning, how business organizations can become macroergonomically more productive? Methodology: A literature review was performed to achieve the theoretical foundation supp...
Article
This paper presents the results of data research project that evaluated the subjective productivity of office workers subjected to different levels of thermal comfort. The NASA TLX tool was used to measure subjective productivity through workload, The equipment Confortímetro Sensu was used to measure thermal variables within the work environment an...
Article
The aim of this study was to identify and characterize the profiles of occurrence of musculoskeletal symptoms, in order to verify the necessity of actions aimed at improving the working conditions and health of these workers. The sample consisted of 39 seamstresses, with which three questionnaires were applied. The first survey was conducted in ord...
Book
O vestuário é um dos itens considerados como equipamento de proteção individual para ambientes de trabalho. Entre vários aspectos, a roupa se caracteriza como isolante térmico interferindo, assim, na troca térmica do ser humano, entre o corpo e o ambiente. O corpo revestido pela vestimenta pode garantir que não haja troca térmica quando a necessida...
Article
This article presents the results of an investigation into the thermal aspect of workplaces of the metallurgical branch of furniture manufacturing, looking for the number of dissatisfied people in the environment. This study aims to analyze the thermal suitability of a metallurgical industrial environment, from four interpretations of vote +1/-1 (s...
Conference Paper
Full-text available
Resumo: Uma das grandes dificuldades encontradas para se realizar o cálculo da taxa metabólica através do índice PMV consiste na variável t cl , visto que esta não é uma variável conhecida. Esta dificuldade faz com que se recorram aos valores tabelados de taxa metabólica (M), os quais são generalizados, pois não mostram em que condições as atividad...
Conference Paper
Full-text available
A ergonomia é a aplicação de conhecimentos científicos relativos ao homem, necessários para conceber ferramentas, máquinas, ambientes e dispositivos que possam ser utilizados pelo maior número de pessoas com o máximo de conforto e eficiência. Dentre os vários fatores que influenciam no desenvolvimento das atividades pode-se citar o conforto térmico...
Article
Full-text available
A ergonomia caracteriza-se pela busca da produtividade que nao afeta a saude do trabalhador. Neste cenario, o frio e um agente que interfere no sistema de termorregulacao corporal, o qual age de modo a garantir o equilibrio termico. Por isso, e relevante que os individuos estejam em equilibrio termico. Entretanto, mais importante ainda e o conforto...
Article
Objective: To determine the incidence of cervicobrachial order discomforts in Elementary Public School teachers from 1st to 4th years in the city of Pato Branco - PR. Methods: Cross-sectional study made with 160 public school teachers from 1st to 4th years in the city of Pato Branco - PR. Data collection was made from a structured questionnaire,...
Article
This study aims to identify the correlation between the Predicted Mean Vote (PMV) with the thermal sensation (S) of 55 employees, establishing a linear multiple regression equation. The measurement of environmental variables followed established standards. The survey was conducted in a metal industry located in Ponta Grossa of the State of Parana i...
Article
Full-text available
Resumo O objetivo deste estudo foi investigar a qualidade de vida no trabalho (QVT) de colaboradores com diferentes níveis de instrução, utilizando-se de técnicas estatísticas uni e multivariada para a análise dos dados. Foi realizado por meio da aplicação do modelo de QVT proposto por Walton (1973) em 154 indivíduos – 84 homens e 70 mulheres – com...
Article
Full-text available
The objective of this study was to investigate the quality of working life (QWL) in workers with different levels of education, through the use of uni- and multivariate statistical techniques to analyze the data. This study was carried out through the application of a QWL model proposed by Walton (1975) on 154 individuals (84 men and 70 women), wit...
Article
Full-text available
Este estudo apresenta a avaliacao da existencia de disturbios osteomusculares relacionados ao trabalho (DORT) de membros superiores, em trabalhadores terceirizados da pequena e media construcao civil, em seis canteiros de obra, na regiao de Ponta Grossa, Parana, Brasil. A pesquisa realizada caracteriza-se como um estudo de caso de carater quantitat...
Article
Full-text available
This article presents the results of a research carried through in 2004 and deals with the human performance when exposed to high mental workload, that is, when subject to unbalance between the degree of work requirements and the available resources to manage it; when a decision taking process must be very fast, in wich the evaluation time is small...
Article
Full-text available
The aim of this paper is to study energy efficiency in productive sector. The main objective is to analyze determinative factors to Energy Efficiency, identifying how external forces influence those factors as weel as energy efficiency, in order to subsidize a future scenery planning in energy management. The result of this analysis, based on scien...
Article
This paper presents a study accomplished in the State of Parana in Southern Brazil, aiming at verifying the correlation between organizational human factors (OHF) and the level of energy losses in organizations. The purpose is to subsidize the formularization of institutional policies in organizations to improve the energy efficiency in the product...
Article
The objective of this study was: to carry through a diagnosis of the profile of the style of life and the quality of life of workers in a Brazilian federal organization. The used instrument was the Profile of the Style of Life, under the form of questionnaire, applied to a population of 32 people. The main factors had been boarded in the analysis t...
Article
Full-text available
The indices of thermal comfort that constitute international standards, such as ISO 7730 and norms suggested by technical publications such as ASHRAE Fundamentals, are PMV, PPD, and T{sub oc}. The aim of this paper is to present similar indices developed from field studies. The studies were made at a school in Florianopolis, Brazil, and consist of...
Article
SUMMARY Concerns about energy efficiency, has brought new constructive trends researches. Aspects as environmental comfort is quite important, with regard to new constructive technologies, showing the need of standardizing Brazilian buildings to acquire thermal comfort. The necessity of new internal environment data in buildings has motivated surve...
Article
This paper presents a preliminary view of production management when not part of job security. Presents a set of relevant information and a pilot survey seeking to show that integrating security-production reflected in production control, especially in small business, since the prediction of safety equipment and costs of accidents can not be entere...

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